CN101536917B - Auscultation method and auscultation device for audio signals processing - Google Patents
Auscultation method and auscultation device for audio signals processing Download PDFInfo
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- CN101536917B CN101536917B CN2008100845248A CN200810084524A CN101536917B CN 101536917 B CN101536917 B CN 101536917B CN 2008100845248 A CN2008100845248 A CN 2008100845248A CN 200810084524 A CN200810084524 A CN 200810084524A CN 101536917 B CN101536917 B CN 101536917B
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- 238000002555 auscultation Methods 0.000 title claims abstract description 414
- 230000005236 sound signal Effects 0.000 title claims abstract description 235
- 238000012545 processing Methods 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title abstract description 12
- 210000001835 viscera Anatomy 0.000 claims abstract description 187
- 230000003287 optical effect Effects 0.000 claims description 87
- 238000003672 processing method Methods 0.000 claims description 32
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 7
- 238000003745 diagnosis Methods 0.000 claims description 6
- 238000004148 unit process Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
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- 230000000968 intestinal effect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
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Abstract
The invention relates to an auscultation method and an auscultation device for audio signals of visceral organs, which are used for diagnosing the audio signals generated by the visceral organs of a living body. The auscultation device comprises an auscultation head module, a processing unit and a signal output unit, wherein the auscultation head module is provided with a sensor and a visceral organ audio signal receiver; when the sensor detects that the auscultation head module enters a preparation auscultation state, the sensor can output a starting signal, and the processing unit receives the starting signal and starts the auscultation device; the auscultation device carries out auscultation steps for the living body, and the visceral organ audio signal receiver receives the audio signals sent by the visceral organs; and when the visceral organ audio signal receiver cannot receive the audio signals of the visceral organs, the processing unit can automatically close the auscultationdevice. Therefore, the method and the device can achieve the aims of reducing power consumption, prolonging the service life of a battery, protecting environment, saving energy, and the like.
Description
Technical field
The present invention is relevant for a kind of signal processing method and auscultation apparatus of auscultation apparatus, refers in particular to a kind ofly to reduce power consumption, prolong battery service life, the auscultation method and the device of tool environmental protection and energy saving function.
Background technology
Electronic auscultation apparatus is in order to listen to sufferer thoracic cavity or Intraabdominal sound a kind of quick, the safe and easy diagnostic tool with diagnosis sufferer disease.But electronic auscultation apparatus was just developed about nineteen twenty-two in Christian era, and in vacuum tube or electron crystal epoch, because the electronic system volume is excessive, practicality is not high.(real practicality, commercial electronic auscultation apparatus are just come out for Integrated circuit, IC) fast development along with twentieth century end integrated circuit.Visible on the market at present different types electronic auscultation apparatus can be divided into analog and digital two kinds, wherein occupies the majority with analog.
Compared to traditional auscultation apparatus,,, need shortcomings such as normal displacement battery, to such an extent as to so far still can't comprehensive replacement tradition auscultation apparatus because price is higher, use habit is different, power consumption is too fast though electronic auscultation apparatus has its advantage.
With regard to patent, as No. 4534058, U.S.'s patent of invention " Electronic stethoscope withautomatic power shut-off ", it utilizes circuit design to make auscultation apparatus shut down automatically after stopping using a period of time, enter battery saving mode, and this also is the present general power-down mode of use of electronic auscultation apparatus institute on the market; The existing shortcoming of this traditional approach is:
1) must when the unused time of setting arrives, shut down just now, can't after stopping using, shut down immediately, therefore cause the power supply waste.
2) because power consumption is fast, often betide the facts of auscultation process power drain, cause auscultation to be interrupted.
3) must often change battery, not only cost increases, and causes environmental issue.
When 4) user of service such as doctor desires to use auscultation apparatus once again, must restart by button or switch, inconvenient and lose time.
In view of the above as can be known, how can propose a kind of auscultation apparatus of environmental protection and energy saving of high efficiency electric energy use, be the important topic that the correlative technology field personage presses for solution.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of signal processing method and auscultation apparatus of auscultation apparatus, can reduce power consumption, prolong battery service life, tool environmental protection and energy saving function.
In order to solve the problems of the technologies described above, the invention provides a kind of signal processing method of auscultation apparatus, in order to the audio signal that internal organs produced of diagnosis live body is handled, its characteristics are, comprise: an auscultation device is provided, this auscultation apparatus comprises that an auscultation head module, a processing unit and electrically connect the signal output unit of this processing unit, and whether this auscultation head module has one can enter a pick off and a visceral organ audio signal receiver of preparing the auscultation state in order to detect this auscultation head module; When this pick off entered preparation auscultation state in this auscultation head module of detection, an exportable enabling signal was to this processing unit; This processing unit starts this auscultation apparatus according to this enabling signal; With this auscultation apparatus live body is carried out auscultation steps, and by judging whether this visceral organ audio signal receiver continues to receive the audio signal that internal organs send; When this visceral organ audio signal receiver can't receive audio signals of visceral organs, this processing unit can be closed this auscultation apparatus automatically.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are that this processing unit comprises: an audio signal processing unit, and it electrically connects this visceral organ audio signal receiver, and can handle this audio signals of visceral organs, and can when this audio signals of visceral organs disappears, export an off signal; And a microcontroller, it electrically connects this pick off and this audio signal processing unit, and can receive this enabling signal and this off signal, and can start this auscultation apparatus and close this auscultation apparatus according to this off signal according to this enabling signal respectively.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are that this audio signal processing unit can adopt the Digital Signal Processing audio signal processing unit.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, this auscultation apparatus also comprises a feature audio signals of visceral organs processing unit, this feature audio signals of visceral organs processing unit is to electrically connect this audio signal processing unit and this signal output unit, in order to amplify the characteristic spectra of this audio signals of visceral organs.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are that this signal output unit can be an earphone.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are that this auscultation apparatus also comprises the preposition match circuit of audio frequency unit, and the preposition match circuit of this audio frequency unit electrically connects this processing unit and this auscultation head module, in order to amplify this audio signals of visceral organs.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are that this auscultation apparatus also comprises an audio power amplifying unit, and it electrically connects this processing unit and signal output unit, the audio signals of visceral organs of crossing in order to this processing unit processes of power amplification, and by this signal output unit output.
The signal processing method of above-mentioned auscultation apparatus, its characteristics be, this pick off can be vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, when this pick off is vibrating sensor, can detect the vibratory output of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, when this pick off is accelerometer, can detect the acceleration change amount of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, when this pick off is angular-rate sensor, can detect the angle variable quantity of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, when this pick off is angular transducer, can detect the angle of inclination of this plane, auscultation head module place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, when this pick off is pressure transducer, can detect the pressure variety of this plane, auscultation head module place and auscultation state, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The signal processing method of above-mentioned auscultation apparatus, its characteristics are, when this pick off is optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to launch light and this optical receiver in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, this optical pickocff detects light by reaching the continuous variation of not passing through, and whether enters the auscultation state of preparing to judge this auscultation head module.
The present invention also provides a kind of auscultation apparatus of audio signals of visceral organs, its characteristics are, comprise: an auscultation head module, it comprises a pick off and a visceral organ audio signal receiver, whether this auscultation head module of this sensor enters the auscultation state of preparing, and an exportable enabling signal, this visceral organ audio signal receiver receives the audio signal that internal organs produced; One processing unit, electrically connect with this auscultation head module, in order to handle audio signals of visceral organs, this processing unit comprises: an audio signal processing unit, it electrically connects this visceral organ audio signal receiver, and can handle this audio signals of visceral organs, and can when this audio signals of visceral organs disappears, export an off signal; One microcontroller, it electrically connects this pick off and this audio signal processing unit, and can receive this enabling signal and this off signal, and can start this auscultation apparatus and close this auscultation apparatus according to this off signal according to this enabling signal respectively; And a signal output unit, electrically connect with this processing unit, in order to the output audio signals of visceral organs.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this audio signal processing unit can adopt the Digital Signal Processing audio signal processing unit.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this signal output unit can be an earphone.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this auscultation apparatus also comprises the preposition match circuit of audio frequency unit, and the preposition match circuit of this audio frequency unit electrically connects this processing unit and this auscultation head module, and scalable this audio signals of visceral organs.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, this auscultation apparatus also comprises a feature audio signals of visceral organs processing unit, this feature audio signals of visceral organs processing unit electrically connects this audio signal processing unit and this signal output unit, and the characteristic spectra of scalable this audio signals of visceral organs.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this auscultation apparatus also comprises an audio power amplifying unit, and it electrically connects this processing unit and signal output unit, but and the audio signals of visceral organs crossed of this processing unit processes of power amplification.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics be, this pick off can be vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is vibrating sensor, can detect the vibratory output of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is accelerometer, can detect the acceleration change amount of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is angular-rate sensor, can detect the angle variable quantity of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is angular transducer, can detect the angle of inclination of this plane, auscultation head module place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is pressure transducer, can detect the pressure variety of this plane, auscultation head module place and auscultation state, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to launch light and this optical receiver in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, this optical pickocff detects light by reaching the continuous variation of not passing through, and whether enters the auscultation state of preparing to judge this auscultation head module.
The present invention also provides a kind of auscultation apparatus of audio signals of visceral organs, its characteristics are, comprise: an auscultation head module, it comprises an ear-hang, a pick off and a visceral organ audio signal receiver, whether this auscultation head module of this sensor enters the auscultation state of preparing, and an exportable enabling signal, this visceral organ audio signal receiver receives the audio signal that internal organs produced; One processing unit, electrically connect with this auscultation head module, in order to handle audio signals of visceral organs, this processing unit comprises: an audio signal processing unit, it electrically connects this visceral organ audio signal receiver, and can handle this audio signals of visceral organs, and can when this audio signals of visceral organs disappears, export an off signal; One microcontroller, it electrically connects this pick off and this audio signal processing unit, and can receive this enabling signal and this off signal, and can start this auscultation apparatus and close this auscultation apparatus according to this off signal according to this enabling signal respectively; And a signal output unit, electrically connect with this processing unit, in order to the output audio signals of visceral organs.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this audio signal processing unit can adopt the Digital Signal Processing audio signal processing unit.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this signal output unit can be an earphone.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this auscultation apparatus also comprises the preposition match circuit of audio frequency unit, and the preposition match circuit of this audio frequency unit electrically connects this processing unit and this auscultation head module, and scalable this audio signals of visceral organs.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, this auscultation apparatus also comprises a feature audio signals of visceral organs processing unit, this feature audio signals of visceral organs processing unit electrically connects this audio signal processing unit and this signal output unit, and the characteristic spectra of scalable this audio signals of visceral organs.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this auscultation apparatus also comprises an audio power amplifying unit, and it electrically connects this processing unit and signal output unit, but and the audio signals of visceral organs crossed of this processing unit processes of power amplification.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics be, this pick off can be vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is vibrating sensor, can detect the vibratory output of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is accelerometer, can detect the acceleration change amount of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is angular-rate sensor, can detect the angle variable quantity of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is angular transducer, can detect the angle of inclination of this plane, auscultation head module place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is pressure transducer, can detect the pressure variety of this plane, auscultation head module place and auscultation state, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when this pick off is optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to launch light and this optical receiver in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller are to link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, this optical pickocff detects light by reaching the continuous variation of not passing through, and whether enters the auscultation state of preparing to judge this auscultation head module.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that this ear-hang comprises: two support members, one end of this two support member interconnects, this two support member can this connecting portion be the center, is separated to a primary importance towards rightabout respectively, or close relatively to a second position; At least one pick off is arranged at the connecting portion of this two support member; When this two support member of control was positioned at the primary importance or the second position, this pick off of may command is in to be opened or closed condition.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are, when these two support members are in primary importance, can start this pick off, when this two support member is in the second position, can close this pick off.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics be, this pick off can be contact switch, pressure transducer or strain gauge one of them or its combination.
The auscultation apparatus of above-mentioned audio signals of visceral organs, its characteristics are that at least one support member is provided with earphone, in this earphone, be provided with pressure transducer, can detect the pressure variety of this earphone, and relatively this detected value and a marginal value, the auscultation state of preparing whether entered to judge this auscultation head module.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the structural representation of auscultation apparatus of the present invention;
Fig. 2 is the flow chart of auscultation method of the present invention;
Fig. 3 is that auscultation apparatus pick off embodiment of the present invention moves sketch map;
Fig. 4 is the structural representation of the optical pickocff of auscultation apparatus employing of the present invention;
Fig. 5 is that another pick off of auscultation apparatus of the present invention embodiment moves sketch map;
Fig. 6 is that the another pick off embodiment of auscultation apparatus of the present invention moves sketch map.
Wherein, Reference numeral:
The 10-auscultation apparatus
11-auscultation head module
The 111-pick off
The 112-visceral organ audio signal receiver
The 12-processing unit
The 121-audio signal processing unit
The 122-microcontroller
The 13-signal output unit
The 131-man-machine interface
The preposition match circuit of 14-audio frequency unit
15-feature audio signals of visceral organs processing unit
16-audio power amplifying unit
21～28-sensing of the present invention and make the step of flowing mode
The 30-auscultation apparatus
31-auscultation head module
311,311a-pick off
The 311b-pressure transducer
The 312-visceral organ audio signal receiver
The 313-optical transmitting set
The 314-optical receiver
The 315-grating
The 316-roller
32,32a, 32b-ear-hang
321,322,321a, 322a, 321b, 322b-support member
323,324,323a, 324a, 323b, 324b-earphone
33,33a, 33b-connector
The 40-plane
The P1-primary importance
The P2-second position
The specific embodiment
Describe the present invention for reaching employed technological means of purpose and effect hereinafter with reference to accompanying drawing, and following graphic cited embodiment only is an aid illustration, be beneficial to understand, but the technological means of this case is not limited to cited accompanying drawing.
See also shown in Figure 1, the auscultation apparatus 10 of a kind of audio signals of visceral organs provided by the present invention, the audio signal that internal organs produced in order to the diagnosis live body, the for example audio signal that when activity, produced of internal organs such as human heart, lungs, stomach, intestinal, for example the wriggling audio signal of hear sounds, lungs sound, stomach and intestinal; This auscultation apparatus 10 comprises an auscultation head module 11, a processing unit 12 and a signal output unit 13; This auscultation head module 11 is the ends in order to contact with live body, it comprises a pick off 111 and a visceral organ audio signal receiver 112, whether this pick off 111 enters the auscultation state of preparing in order to detect this auscultation head module 11, and export an enabling signal, detect this auscultation head module 11 about this pick off 111 and whether enter the mode of preparing the auscultation state, after will being illustrated in; This visceral organ audio signal receiver 112 is in order to receive the audio signal that the live body internal organs are produced.
This processing unit 12 is in order to handle audio signals of visceral organs, and it comprises an audio signal processing unit 121 and a microcontroller 122; This audio signal processing unit 121 is to electrically connect this visceral organ audio signal receiver 112 and this microcontroller 122, whether this audio signal processing unit 121 can detect audio signals of visceral organs continues to produce, and can when disappearing, export audio signals of visceral organs off signal, this audio signal processing unit 121 can adopt DSP (Digital signal processing, Digital Signal Processing) audio signal processing unit; Moreover, this microcontroller 122 is to electrically connect this pick off 111 and this audio signal processing unit 121, can receive the enabling signal that this pick off 111 is produced, and the off signal that produced of this audio signal processing unit 121, and can start this auscultation apparatus 10 and close this auscultation apparatus 10 according to this enabling signal respectively according to this off signal.
In present embodiment, be provided with the preposition match circuit of audio frequency unit 14 between this audio signal processing unit 121 and this visceral organ audio signal receiver 112, the preposition match circuit of this audio frequency unit 14 can be resent to this audio signal processing unit 121 and handle in order to amplify the audio signals of visceral organs that this visceral organ audio signal receiver 112 is received; In addition, this signal output unit 13 electrically connects with this processing unit 12, electrically connect a feature audio signals of visceral organs processing unit 15 and an audio power amplifying unit 16 between this processing unit 12 and this signal output unit 13 again, this feature audio signals of visceral organs processing unit 15 electrically connects this audio signal processing unit 121, behind the characteristic spectra that amplifies this audio signals of visceral organs, again audio signals of visceral organs is sent into this audio power amplifying unit 16 and carried out power amplification, at last audio signals of visceral organs is sent into this signal output unit 13 and output; The preposition match circuit of above-mentioned this audio frequency unit 14, feature audio signals of visceral organs processing unit 15 and audio power amplifying unit 16 visual reality are required is integrated in this processing unit 12.
As for this signal output unit 13, be generally an earphone, be beneficial to be worn on user of service's in ear such as doctor, in addition, also can connect a man-machine interface 131, in order to show the audio signals of visceral organs relevant information, with the hear sounds is example, can show its hear sounds and heartbeat waveform, and data such as frequency, number of times.
Please cooperate with reference to the structure chart of Fig. 1 and flow chart shown in Figure 2, sensing of the present invention is described and make flowing mode:
Step 21: auscultation apparatus 10 is in closed condition; The closed condition of so-called this auscultation apparatus 10 is general alleged " shut off " off-modes herein, but not complete off-position;
Step 22: detect this auscultation head module 11 by pick off 111 and whether enter the auscultation state of preparing; If then enter step 23; If not, then get back to step 21;
Step 23: pick off 111 outputs one enabling signal is to this processing unit 12;
Step 24: this processing unit 12 starts this auscultation apparatus 10 according to this enabling signal; Because this processing unit 12 is provided with a microcontroller 122, receives enabling signal and start this auscultation apparatus 10 according to this by this microcontroller 122 usually;
Step 25: carry out auscultation steps with 10 pairs of live bodies of this auscultation apparatus, and receive the audio signal that internal organs send by this visceral organ audio signal receiver 112;
Step 26: detect whether continue to receive audio signals of visceral organs by visceral organ audio signal receiver 112; If the sustainable audio signals of visceral organs that receives represents that this auscultation head module 11 continues to contact with live body, also is during the auscultation process continues to carry out, then to continue to carry out repeatedly step 25 and 26; When visceral organ audio signal receiver 112 can't continue to receive audio signals of visceral organs, represent that this auscultation head module 11 separates with live body, the auscultation process stops, and then enters step 27;
Step 27: when visceral organ audio signal receiver 112 can't continue to receive audio signals of visceral organs, the audio signal that this audio signal processing unit 121 is received was also interrupted thereupon, therefore exported an off signal; Can be controlled in this audio signal processing unit 121 by software and hardware and set a detection time, for example, when audio signal processing unit 121 did not receive audio signals of visceral organs in 3～5 seconds, just export off signal, to avoid because of users of service such as doctors in the auscultation process, cause shutdown, these software and hardware control technology means with of short duration separation of live body because must move cause in the live body surface, the personage is known by correlative technology field, will not illustrate at this;
Step 28: receive off signal by processing unit 12, and close this auscultation apparatus 10; Similarly, because this processing unit 12 comprises a microcontroller 122, can be responsible for receiving off signal by this microcontroller 122, and close this auscultation apparatus 10 according to this.
See also Fig. 3, the pick off embodiment that auscultation apparatus of the present invention is described moves sketch map, this auscultation apparatus 30 comprises an auscultation head module 31 and an ear-hang 32, this auscultation head module 31 is equivalent to this auscultation head module 11 shown in Figure 1, in order to contact with live body and the sensing audio signals of visceral organs, it comprises a pick off 311 and a visceral organ audio signal receiver 312, whether this pick off 311 enters the auscultation state of preparing in order to this auscultation head module 31 of sensing, and this visceral organ audio signal receiver 312 is in order to receive audio signals of visceral organs; This ear-hang 32 has symmetrical two support members 321,322, is provided with earphone 323,324 in these support member 321,322 tops, and this earphone 323,324 is corresponding to this signal output unit 13 of Fig. 1; The bottom of these two support members 321,322 interconnects by a connection piece 33; Usually, this two support member 321,322 has certain elasticity, force-applied being separated from each other, and when external force disappears, then can resetting in opposite directions naturally, and for make this two support member 321,322 can be smoothly often double action do, this connector 33 can adopt the soft rubber material; Whereby, when users of service such as doctor need not carry out auscultation, this ear-hang 32 can be erected on the shoulder around cervical region, and when desiring to carry out auscultation, then suitably the application of force is separated from each other this two support member 321,322, earphone 323,324 is worn on user of service's in ear such as doctor, the auscultation head module 31 that then will be placed in arbitrary plane 40 again lifts, and can carry out auscultation; Mandatory declaration be, in present embodiment, this auscultation apparatus 30 is a kind of wired auscultation apparatus, electrically connects this auscultation head module 31 and ear-hang 32 by connecting line 34, yet this auscultation head module 31 and ear-hang 32 also can adopt wireless connections, are not limited to the ray mode that has in the accompanying drawing.
Because when the doctor desires auscultation, can will be former be placed in arbitrary plane such as desktop or the former vertical stethoscope that places the front with hold get and towards and be attached at the patient treat the auscultation position, being moved of this auscultation head can be learnt by this pick off, also can learn to enter the auscultation state at present; In present embodiment, when this auscultation head module 31 be moved, when lifting, but whether this auscultation head module 31 of these pick off 311 sensings enters the auscultation state of preparing, and this pick off 311 can adopt vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination; For example, when this pick off 311 is vibrating sensor, can detect the vibratory output of this auscultation head module 31, and relatively this detected value and a marginal value, if detected value less than marginal value, represents that this auscultation head module 31 just is subjected to slight impact, be not to carry out the auscultation action; Otherwise, if detected value is greater than marginal value, represent that then the caused vibratory output of this auscultation head module 31 external force of bearing is bigger, also promptly enter the auscultation state of preparing, this pick off 311 can send starting-up signal, cooperate this visceral organ audio signal receiver 312 to receive the audio signal that internal organs send simultaneously, can carry out auscultation; When this auscultation head module 31 leaves live body (human body), when this visceral organ audio signal receiver 312 can't receive the audio signal that internal organs send, can close this auscultation apparatus 30.
In addition, this pick off 311 can be an accelerometer, and whether the acceleration change amount when being moved in order to detect this auscultation head module 31, and relatively this detected value and a marginal value enter the auscultation state of preparing to judge this auscultation head module 31; This pick off 311 also can be an angular-rate sensor, and whether the angle variable quantity when being moved in order to detect this auscultation head module 31, and relatively this detected value and a marginal value enter the auscultation state of preparing to judge this auscultation head module 31; This pick off 311 also can be angular transducer, in order to detecting the angle of inclination of this plane 40, auscultation head module 31 place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module 31; This pick off 311 also can be pressure transducer, in order to detect the pressure variety of this plane, auscultation head module 31 place 40 and auscultation state, and relatively this detected value and a marginal value, to judge whether this auscultation head module 31 enters the auscultation state of preparing, for example, this auscultation head module 31 is put the pressure when plane 40, and the pressure during with the auscultation state that presses live body must be different, can be used as the foundation of detection whereby.
In addition, this pick off 311 also can be optical pickocff, as shown in Figure 4, this optical pickocff comprises an optical transmitting set 313, one optical receiver 314, one grating 315 and a roller 316, wherein this optical transmitting set 313 is in order to emission light, this optical receiver 314 is in order to receive light, this optical transmitting set 313 is oppositely arranged with this optical receiver 314, and be provided with interconnective grating 315 and roller 316 between this optical transmitting set 313 and this optical receiver 314, whether these grating 315 may command light pass through, the principle that this optical pickocff used is, when this auscultation head module 31 moves, roller 316 can drive grating 315 and rotate, make light produce by or the continuous variation do not passed through, after this optical receiver 314 receives the continuous variation of optical signal, can judge whether whether this auscultation head module 31 moves, enter the auscultation state of preparing to judge this auscultation head module 31 by microcontroller 122 (being shown in Fig. 1).
See also embodiment illustrated in fig. 5, it is based on this ear-hang 32 among Fig. 3, this ear-hang 32a comprises two support member 321a, 322a, is provided with earphone 323a, 324a in this support member 321a, 322a top, and the bottom of these two support member 321a, 322a interconnects by a connection piece 33a; These two support member 321a, 322a can be separated from each other to a primary importance P1, and mutually near to a second position P2, in the junction of this two support member 321a, 322a, also promptly in this connector 33a, are provided with a pick off 311a; As this two support member of control 321a, when 322a is positioned at primary importance P1 and second position P2, this pick off of may command 311a is in and opens or closed condition, and this pick off 311a can be contact switch, pressure transducer or strain gauge one of them or its combination; When this two support member 321a, 322a are separated from each other to primary importance P1, can open this pick off 311a, represent users of service such as doctor that this ear-hang 32a is hung on the ear, send enabling signal by this contact switch, can carry out auscultation; Otherwise when users of service such as doctor took off this ear-hang 32a, these two support member 321a, 322a can recoil to comparatively close second position P2 naturally, at this moment, can discharge this pick off 311a, and with dump, reach the power saving purpose whereby.
See also embodiment illustrated in fig. 6, similarly, it is based on this ear-hang 32 of Fig. 3, and this ear-hang 32b comprises two support member 321b, 322b, be provided with earphone 323b, 324b in this support member 321b, 322b top, the bottom of these two support member 321b, 322b interconnects by a connection piece 33b; The characteristics of present embodiment are, are provided with a pressure transducer 311b in the earphone 324b therein; When users of service such as doctor are worn in ear with this earphone 324b, this pressure transducer 311b can sense pressure variety, and relatively this detected value and a marginal value, usually, this detected value can judge whereby that greater than marginal value this auscultation head module 31 (being shown in Fig. 3) enters the auscultation state of preparing; Otherwise when earphone 324b is removed outside the ear, this pressure transducer 311b also can sense pressure variety, and relatively this detected value can be judged that the auscultation process finishes, and with dump, reach the power saving purpose whereby less than marginal value.
Fig. 5 and embodiment illustrated in fig. 6, whether it is worn whether control power turn-on by ear-hang 32a, 32b, its operator scheme can be saved the action that user of service such as doctor must start shooting repeatedly, shut down when using electronic auscultation apparatus, make electronic auscultation apparatus more approaching traditional auscultation apparatus on use habit, and can reach the function of power saving.
In sum, the signal processing method of auscultation apparatus provided by the invention and auscultation apparatus, can when interrupting, audio signals of visceral organs close auscultation apparatus automatically, when entering preparation auscultation state by sensor auscultation head module again, export enabling signal just now and start auscultation apparatus, whereby, can reduce the electrification of auscultation apparatus, promote auscultation apparatus battery effective utilization and service time, make user of service such as doctor in seeing the process of examining, not need to interrupt, can spend minimum time and energy disease is made the most correct diagnosis because of regular displacement battery causes diagnosis and treatment.Through experimental verification, with two AAA battery electric powers, it is example that every sufferer spends auscultation in three minutes approximately, but the conditional electronic auscultation apparatus is 60 sufferers of auscultation approximately, and utilize auscultation method provided by the present invention and auscultation apparatus, but 140 sufferers of auscultation at least two confirm that the present invention can promote at least four times of auscultation apparatus battery effective utilizations really.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (44)
1. the signal processing method of an auscultation apparatus in order to the audio signal that internal organs produced of diagnosis live body is handled, is characterized in that, comprises:
One auscultation device is provided, this auscultation apparatus comprises that an auscultation head module, a processing unit and electrically connect the signal output unit of this processing unit, and whether this auscultation head module has one can enter a pick off and a visceral organ audio signal receiver of preparing the auscultation state in order to detect this auscultation head module;
When this pick off entered preparation auscultation state in this auscultation head module of detection, an exportable enabling signal was to this processing unit;
This processing unit starts this auscultation apparatus according to this enabling signal;
This processing unit judges whether this visceral organ audio signal receiver continues to receive the audio signal that internal organs send;
When this visceral organ audio signal receiver can't receive audio signals of visceral organs, this processing unit can be closed this auscultation apparatus automatically.
2. the signal processing method of auscultation apparatus according to claim 1 is characterized in that, this processing unit comprises:
One audio signal processing unit, it electrically connects this visceral organ audio signal receiver, and can handle this audio signals of visceral organs, and can export an off signal when this audio signals of visceral organs disappears; And
One microcontroller, it electrically connects this pick off and this audio signal processing unit, and can receive this enabling signal and this off signal, and can start this auscultation apparatus and close this auscultation apparatus according to this off signal according to this enabling signal respectively.
3. the signal processing method of auscultation apparatus according to claim 2 is characterized in that, this audio signal processing unit can adopt the Digital Signal Processing audio signal processing unit.
4. the signal processing method of auscultation apparatus according to claim 2, it is characterized in that, this auscultation apparatus also comprises a feature audio signals of visceral organs processing unit, this feature audio signals of visceral organs processing unit is to electrically connect this audio signal processing unit and this signal output unit, in order to amplify the characteristic spectra of this audio signals of visceral organs.
5. the signal processing method of auscultation apparatus according to claim 1 is characterized in that, this signal output unit can be an earphone.
6. the signal processing method of auscultation apparatus according to claim 1, it is characterized in that, this auscultation apparatus also comprises the preposition match circuit of audio frequency unit, and the preposition match circuit of this audio frequency unit electrically connects this processing unit and this auscultation head module, in order to amplify this audio signals of visceral organs.
7. the signal processing method of auscultation apparatus according to claim 1, it is characterized in that, this auscultation apparatus also comprises an audio power amplifying unit, it electrically connects this processing unit and signal output unit, the audio signals of visceral organs of crossing in order to this processing unit processes of power amplification, and by this signal output unit output.
8. the signal processing method of auscultation apparatus according to claim 1 is characterized in that, this pick off can be vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination.
9. the signal processing method of auscultation apparatus according to claim 8, it is characterized in that, when this pick off is vibrating sensor, can detect the vibratory output of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
10. the signal processing method of auscultation apparatus according to claim 8, it is characterized in that, when this pick off is accelerometer, can detect the acceleration change amount of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
11. the signal processing method of auscultation apparatus according to claim 8, it is characterized in that, when this pick off is angular-rate sensor, can detect the angle variable quantity of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
12. the signal processing method of auscultation apparatus according to claim 8, it is characterized in that, when this pick off is angular transducer, can detect the angle of inclination of this plane, auscultation head module place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
13. the signal processing method of auscultation apparatus according to claim 8, it is characterized in that, when this pick off is pressure transducer, can detect the pressure variety of this plane, auscultation head module place and auscultation state, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
14. the signal processing method of auscultation apparatus according to claim 8, it is characterized in that, when this pick off is optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to launch light and this optical receiver in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, this optical pickocff detects light by reaching the continuous variation of not passing through, and whether enters the auscultation state of preparing to judge this auscultation head module.
15. the auscultation apparatus of an audio signals of visceral organs is characterized in that, comprises:
One auscultation head module, it comprises a pick off and a visceral organ audio signal receiver, whether this auscultation head module of this sensor enters is prepared the auscultation state, and an exportable enabling signal, and this visceral organ audio signal receiver receives the audio signal that internal organs produced;
One processing unit electrically connects with this auscultation head module, and in order to handle audio signals of visceral organs, this processing unit comprises:
One audio signal processing unit, it electrically connects this visceral organ audio signal receiver, and can handle this audio signals of visceral organs, and can export an off signal when this audio signals of visceral organs disappears;
One microcontroller, it electrically connects this pick off and this audio signal processing unit, and can receive this enabling signal and this off signal, and can start this auscultation apparatus and close this auscultation apparatus according to this off signal according to this enabling signal respectively; And
One signal output unit electrically connects with this processing unit, in order to the output audio signals of visceral organs.
16. the auscultation apparatus of audio signals of visceral organs according to claim 15 is characterized in that, this audio signal processing unit can adopt the Digital Signal Processing audio signal processing unit.
17. the auscultation apparatus of audio signals of visceral organs according to claim 15 is characterized in that, this signal output unit can be an earphone.
18. the auscultation apparatus of audio signals of visceral organs according to claim 15, it is characterized in that, this auscultation apparatus also comprises the preposition match circuit of audio frequency unit, and the preposition match circuit of this audio frequency unit electrically connects this processing unit and this auscultation head module, and scalable this audio signals of visceral organs.
19. the auscultation apparatus of audio signals of visceral organs according to claim 15, it is characterized in that, this auscultation apparatus also comprises a feature audio signals of visceral organs processing unit, this feature audio signals of visceral organs processing unit electrically connects this audio signal processing unit and this signal output unit, and the characteristic spectra of scalable this audio signals of visceral organs.
20. the auscultation apparatus of audio signals of visceral organs according to claim 15, it is characterized in that, this auscultation apparatus also comprises an audio power amplifying unit, and it electrically connects this processing unit and signal output unit, but and the audio signals of visceral organs crossed of this processing unit processes of power amplification.
21. the auscultation apparatus of audio signals of visceral organs according to claim 15 is characterized in that, this pick off can be vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination.
22. the auscultation apparatus of audio signals of visceral organs according to claim 21, it is characterized in that, when this pick off is vibrating sensor, can detect the vibratory output of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
23. the auscultation apparatus of audio signals of visceral organs according to claim 21, it is characterized in that, when this pick off is accelerometer, can detect the acceleration change amount of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
24. the auscultation apparatus of audio signals of visceral organs according to claim 21, it is characterized in that, when this pick off is angular-rate sensor, can detect the angle variable quantity of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
25. the auscultation apparatus of audio signals of visceral organs according to claim 21, it is characterized in that, when this pick off is angular transducer, can detect the angle of inclination of this plane, auscultation head module place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
26. the auscultation apparatus of audio signals of visceral organs according to claim 21, it is characterized in that, when this pick off is pressure transducer, can detect the pressure variety of this plane, auscultation head module place and auscultation state, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
27. the auscultation apparatus of audio signals of visceral organs according to claim 21, it is characterized in that, when this pick off is optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to launch light and this optical receiver in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, when this auscultation head module moves, roller drives grating and rotates the continuous variation that makes light pass through or do not pass through, this optical pickocff detects light by reaching the continuous variation of not passing through, and whether enters the auscultation state of preparing to judge this auscultation head module.
28. the auscultation apparatus of an audio signals of visceral organs is characterized in that, comprises:
One auscultation head module, it comprises an ear-hang, a pick off and a visceral organ audio signal receiver, whether this auscultation head module of this sensor enters is prepared the auscultation state, and an exportable enabling signal, and this visceral organ audio signal receiver receives the audio signal that internal organs produced;
One processing unit electrically connects with this auscultation head module, and in order to handle audio signals of visceral organs, this processing unit comprises:
One audio signal processing unit, it electrically connects this visceral organ audio signal receiver, and can handle this audio signals of visceral organs, and can export an off signal when this audio signals of visceral organs disappears;
One microcontroller, it electrically connects this pick off and this audio signal processing unit, and can receive this enabling signal and this off signal, and can start this auscultation apparatus and close this auscultation apparatus according to this off signal according to this enabling signal respectively; And
One signal output unit electrically connects with this processing unit, in order to the output audio signals of visceral organs.
29. the auscultation apparatus of audio signals of visceral organs according to claim 28 is characterized in that, this audio signal processing unit can adopt the Digital Signal Processing audio signal processing unit.
30. the auscultation apparatus of audio signals of visceral organs according to claim 28 is characterized in that, this signal output unit can be an earphone.
31. the auscultation apparatus of audio signals of visceral organs according to claim 28, it is characterized in that, this auscultation apparatus also comprises the preposition match circuit of audio frequency unit, and the preposition match circuit of this audio frequency unit electrically connects this processing unit and this auscultation head module, and scalable this audio signals of visceral organs.
32. the auscultation apparatus of audio signals of visceral organs according to claim 28, it is characterized in that, this auscultation apparatus also comprises a feature audio signals of visceral organs processing unit, this feature audio signals of visceral organs processing unit electrically connects this audio signal processing unit and this signal output unit, and the characteristic spectra of scalable this audio signals of visceral organs.
33. the auscultation apparatus of audio signals of visceral organs according to claim 28, it is characterized in that, this auscultation apparatus also comprises an audio power amplifying unit, and it electrically connects this processing unit and signal output unit, but and the audio signals of visceral organs crossed of this processing unit processes of power amplification.
34. the auscultation apparatus of audio signals of visceral organs according to claim 28 is characterized in that, this pick off can be vibrating sensor, accelerometer, angular-rate sensor, angular transducer, pressure transducer or optical pickocff one of them or its combination.
35. the auscultation apparatus of audio signals of visceral organs according to claim 34, it is characterized in that, when this pick off is vibrating sensor, can detect the vibratory output of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
36. the auscultation apparatus of audio signals of visceral organs according to claim 34, it is characterized in that, when this pick off is accelerometer, can detect the acceleration change amount of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
37. the auscultation apparatus of audio signals of visceral organs according to claim 34, it is characterized in that, when this pick off is angular-rate sensor, can detect the angle variable quantity of this auscultation head module, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
38. the auscultation apparatus of audio signals of visceral organs according to claim 34, it is characterized in that, when this pick off is angular transducer, can detect the angle of inclination of this plane, auscultation head module place and a reference position, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
39. the auscultation apparatus of audio signals of visceral organs according to claim 34, it is characterized in that, when this pick off is pressure transducer, can detect the pressure variety of this plane, auscultation head module place and auscultation state, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
40. the auscultation apparatus of audio signals of visceral organs according to claim 34, it is characterized in that, when this pick off is optical pickocff, this optical pickocff comprises an optical transmitting set, one optical receiver, one grating and a roller, wherein this optical transmitting set is in order to launch light and this optical receiver in order to receive light, this optical transmitting set and this optical receiver is oppositely arranged and this grating and this roller are to link together and be arranged between this optical transmitting set and this optical receiver, this grating is in order to allow light pass through or not pass through, when this auscultation head module moves, roller drives grating and rotates the continuous variation that makes light pass through or do not pass through, this optical pickocff detects light by reaching the continuous variation of not passing through, and whether enters the auscultation state of preparing to judge this auscultation head module.
41. the auscultation apparatus of audio signals of visceral organs according to claim 28 is characterized in that, this ear-hang comprises:
Two support members, an end of this two support member interconnects, and this two support member can this connecting portion be the center, is separated to a primary importance towards rightabout respectively, or close relatively to a second position;
This pick off is arranged at the connecting portion of this two support member;
When this two support member of control was positioned at the primary importance or the second position, this pick off of may command is in to be opened or closed condition.
42. the auscultation apparatus according to the described audio signals of visceral organs of claim 41 is characterized in that, when these two support members are in primary importance, can start this pick off, when this two support member is in the second position, can close this pick off.
43. the auscultation apparatus according to the described audio signals of visceral organs of claim 41 is characterized in that, this pick off can be contact switch, pressure transducer or strain gauge one of them or its combination.
44. the auscultation apparatus of audio signals of visceral organs according to claim 28, it is characterized in that, this ear-hang comprises: two support members, one end of this two support member interconnects, this two support member can this connecting portion be the center, be separated to a primary importance towards rightabout respectively, or it is close relatively to a second position, at least one this support member is provided with earphone, this pick off is a pressure transducer, is arranged in this earphone, and this pressure transducer is by detecting the pressure variety of this earphone, and relatively this detected value and a marginal value, whether enter the auscultation state of preparing to judge this auscultation head module.
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| CN2008100845248A CN101536917B (en) | 2008-03-21 | 2008-03-21 | Auscultation method and auscultation device for audio signals processing |
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| CN2008100845248A CN101536917B (en) | 2008-03-21 | 2008-03-21 | Auscultation method and auscultation device for audio signals processing |
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| CN103794091B (en) * | 2014-01-23 | 2017-02-08 | 北京工业大学 | Method for achieving cardiopulmonary voice auscultation training multi-channel play device based on DSP |
| CN105919622A (en) * | 2016-04-26 | 2016-09-07 | 江苏物联网研究发展中心 | Electronic stethoscope with volume adjusted by single key and method |
| CN107510473A (en) * | 2017-08-30 | 2017-12-26 | 杨松 | The control method of electronic auscultation device and electronic auscultation device |
| CN110680379A (en) * | 2019-11-15 | 2020-01-14 | 王健 | Intelligent auscultation device |
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| US4362164A (en) * | 1980-09-11 | 1982-12-07 | Hughes Aircraft Company | Electronic pick-up device for transducing electrical energy and sound energy of the heart |
| US4534058A (en) * | 1983-03-29 | 1985-08-06 | The Hart Group | Electronic stethoscope with automatic power shut-off |
| CN2691491Y (en) * | 2004-01-13 | 2005-04-13 | 合世生医科技股份有限公司 | Electronic stethophone having contacting type microphone |
| CN1994231A (en) * | 2006-01-06 | 2007-07-11 | 财团法人工业技术研究院 | Souffle eliminated auscultation and method |
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| US4362164A (en) * | 1980-09-11 | 1982-12-07 | Hughes Aircraft Company | Electronic pick-up device for transducing electrical energy and sound energy of the heart |
| US4534058A (en) * | 1983-03-29 | 1985-08-06 | The Hart Group | Electronic stethoscope with automatic power shut-off |
| CN2691491Y (en) * | 2004-01-13 | 2005-04-13 | 合世生医科技股份有限公司 | Electronic stethophone having contacting type microphone |
| CN1994231A (en) * | 2006-01-06 | 2007-07-11 | 财团法人工业技术研究院 | Souffle eliminated auscultation and method |
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