US3634885A - Electronic medical warning device - Google Patents
Electronic medical warning device Download PDFInfo
- Publication number
- US3634885A US3634885A US877097A US3634885DA US3634885A US 3634885 A US3634885 A US 3634885A US 877097 A US877097 A US 877097A US 3634885D A US3634885D A US 3634885DA US 3634885 A US3634885 A US 3634885A
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- Prior art keywords
- warning device
- annunciator
- person
- attitude
- switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
- A61B5/4094—Diagnosing or monitoring seizure diseases, e.g. epilepsy
Definitions
- cardiac arrest or heartstoppage may require immediate treatment such as external cardiac massage prior to the arrival of professional aid. It would be important for the welfare of the patient that information concerning treatment be immediately conveyed to those around him.
- the invented medical warning device broadcasts specific audible information for the care of a patient who is suffering from an unexpected attack.
- the warning device contains a prerecorded tape message directed to the specific condition of the patient carrying the device.
- the message may includeexplanatory information concerning the nature of the condition,
- the warning device comprises a miniature tape recorder and accompanying control circuitry which functions as an annunciator to broadcast the prerecorded message.
- a latching relay is included in the electrical circuitry in parallel with the attitude switch to maintain the power supply to the recorder components.
- the warning device may be deactivated by a manually operated override switch included in the electrical circuitry. In this manner, the recorder can be deliberately stopped when desired.
- FIG. 1 is a schematic view of the warning device and the manner in which it is carried.
- FIG. 2 is an exploded view of the warning device and tape cartridge.
- FIG. 3 is a block diagram of the principal elements of the warning device.
- FIG. 4 is a circuit diagram of the warning device.
- FIG. 1 in detaiLa warning device I illustrated in its environmental use, hereattached to the belt of a patient suffering an incapacitating attack. Locating the warning device of the patient's belt allows the patient the greatest degree of freedom of movement. At that location the warning device maintains a relatively stable vertical equilibrium during ambulatory movement. In FIG. 1 the patient is shown in a supine position. Such position upsets the vertical equilibrium of the warning device causing it to activate. The activated waming device will continuously broadcast aprerecorded instructional message to bystanders. The message can, of course. contain any information relating to the condition and treatment of the particular patient suffering the attack. There exists a variety of medical conditions that are recurring in nature and that subject a patient to prostrating seizure at unexpected moments.
- the warning device can be adapted to adequately provide information relating to epileptic seizures, hypoglycemia or insulin shock, cardiac arrest, failure in cardiac pacemaker, or any similar incapacitating condition.
- the recorded information should naturally be specifically tailored for the individual patient by the patient's physician.
- a broadcast recorder containing a broadcast recorder, power source and accompanying circuitry.
- On the face of the outer case is a screened speaker orifice 14, a manually operated override switch 16, and a manually operated backup switch 18.
- the outer case 12 is adapted to receive a tape cartridge 20 in which is provided a continuous tape 22 (shown in phantom in FIG. 2) tracked on a series of a drive spool 24 and two trailing spools 26 (also shown in phantom in FIG. 2).
- FIG. 3 and the circuit diagram of FIG. 4 schematically illustrate the electrical relationship between the principal components controlling the operation of the waming device.
- a powersource for instance a dry cell battery, represented by block 1 in FIG. 3, is electrically connected to an annunciator through a control circuit comprising an attitude switch represented by block 2, connected in parallel to a latching relay, represented by block 3, a series-connected override switch, represented by block 4, and a series-connected backup switch, represented by block 5.
- a control circuit comprising an attitude switch represented by block 2, connected in parallel to a latching relay, represented by block 3, a series-connected override switch, represented by block 4, and a series-connected backup switch, represented by block 5.
- a DC power source 28 is electrically connected, through a drive coil 30 of alatching relay 32, to a mercury-filled attitude switch 34.
- the latching relay 32 is connected in parallel with theattitude switch 34 to common terminals 36 and 38.
- the override switch '16 and the backup switch 18 are in a normally closed position.
- the circuitry subsequent to the override switch and backup switch operates the 1 annunciator and connects in parallel a drive motor 40, operating the tape cartridge 20, and a power amplifier 42.
- the drive motor and power amplifier are connected in common to terminal 44 and ground line 46.
- the power amplifier amplifies the input signal from a recording head 50 to drive the output speaker 52.
- the attitude switch and latching relay are in an open condition, breaking the power the motor and amplifier by the alternate path through the latching relay. In this manner the warning device will continue to broadcast its instructional message regardless of any subsequent change in attitude during movement of the stricken patient or removal of the device from the patient's person.
- the override switch is manually depressed momentarily, breaking the electrical connection between the power supply and the annunciator. The cessation of current through the coil causes the release of the latching relay, breaking the alternate relay circuit. As the override switch is spring-controlled to return to a closed position when released, the warning device will then return to its potentially active state.
- the backup switch is included in the circuitry to enable the warning device to selectively be switched on to a potentially active state or oft to an inactive state. When switched off the warning device may be stored or transported without any possibility of activating, regardless of the attitude of the device.
- a warning device adapted to be attached to a person prone to incapacitating medical conditions or prostrating seizures comprising an annunciator which when activated repeatedly broadcasts a prerecorded message to inform bystanders of the nature of such persons condition or seizure and how he is to be treated prior to the arrival of medical aid, a power source for connecting an electrical power supply to said annunciator, control means to activate such annunciator when such person passes from an erect to a supine position and to maintain said annunciator in an activated state regardless of any nature of subsequent change of the positional attitude of such person or the warning device, and deactivating means to override the activating control means and return the warning device to a preactivated state.
- the warning device of claim 1 wherein the annunciator comprises a miniature tape recorder having an endless magnetic tape.
- control means comprises an attitude switch contained in said warning device which closes, completing an electrical circuit between alternate electrical circuit between the power supply and the annunciator, when said attitude switch closes, said latching relay remaining closed regardless of any subsequent opening of the attitude switch when returning to a vertical equilibrium.
- warning device of claim I further comprising a backup switch electrically connected between said annunciator and said power source, said backup switch having an on" position for normal operational use of the warning device and an off" position which totally deactivates the device regardless of the attitude of the warning device.
- said deactivating means comprises an override switch electrically connected between said annunciator and said power source, which, when temporarily opened, terminates the power supply through the control means to the annunciator to open the latching relay of the control means.
- a method of safeguarding a person who may be prone to a prostrating seizure comprising attaching to such person an annunciator adapted when activated to inform bystanders of the nature of such person s seizure and how he is to be treated pending the arrival of medical aid, activating said annunciator when such person passes from an erect to a supine position, and maintaining said annunciator activated for a predetermined period of time regardless of any nature of change of the positional attitude of such person during said period of time.
- a method of safeguarding a person subject to incapacitating medical attacks or prostrating seizures comprising attaching to such person a warning device adapted when activated to re atedly broadcast a prerecorded instructional message relating to such person's condition to bystanders, ac-
Abstract
An attitude-activated warning device for persons subject to incapacitating and prostrating medical attacks or seizures. The warning device contains a miniature tape recorder with an endless tape repeating an instructional message relating to the medical problem and emergency treatment of the patient carrying the device, a power source, an attitude switch for activating the recorder when vertically disoriented, a latching relay to maintain a power delivery to the recorder when the attitude switch is physically reoriented, and an override switch to manually deactivate the recorder.
Description
United States Patent [72] Inventor James H. Barkley 7018 Fulton St., San Francisco, Calif. 94121 21 App]. No. 877,097 [22] Filed Nov. 17, 1969 [45] Patented Jan. 11, 1972 [54] ELECTRONIC MEDICAL WARNING DEVICE 7 Claims, 4 Drawing Figs.
[52] U.S. Cl 340/279, 128/1, ZOO/61.47, 340/221, 340/321 [51] Int. Cl G08b 21/00 [50] Field of Search... 340/279, 283, 221, 276, 321; ZOO/61.47; 12812.1,1
[56] References Cited UNITED STATES PATENTS 2,099,868 11/1937 Sing et al. 340/221 UX 2,474,757 6/1949 Parilla 340/221 2,479,621 8/1949 Jackson 340/221 3,041,594 6/1962 Charles ZOO/61.47 X 3,208,062 9/1965 Gregory 340/279 3,248,723 4/1966 Miethe 340/279 X Primary Examiner-John W. Caldwell Assistant Examiner-Scott F. Partridge Att0rney--Naylor & Neal FIE--2- F IE- -45 ma /5% INVENTOR. JAMES H. BARKLEY v BACKGROUND OF THE INVENTION Certain medical conditions cause intermittent seizures, strokes or arresting shock which may, for a period, totally incapacitate a patient. Frequency, the attack occurs at an unexpected time and ata place where knowledgeable assistance is unavailable. Heretofore, visual aids, such as identification cards and bracelets, have provided information relating to a particular patients condition and treatment. However, often these visual devices go unnoticed by bystanders, and the patient remains untreated. In other instances, the patient may inadvertently be physically abused prior to the arrival of professional help. Onlookers generally become panicky and confused when confronted with a patient suffering adisabledattack in public and are often afraid to touch the patient or look for visual identification or medical information.
In the particular case of an epileptic, professional help is usually not needed or desiredsince the patient is, in almost all instances, fully ambulatory after a seizure. Medical expenses are therefore often unnecessarily incurred by transporting such patient to a hospital.
Other conditions, for example cardiac arrest or heartstoppage, may require immediate treatment such as external cardiac massage prior to the arrival of professional aid. It would be important for the welfare of the patient that information concerning treatment be immediately conveyed to those around him.
SUMMARY OF THE INVENTION The invented medical warning device broadcasts specific audible information for the care of a patient who is suffering from an unexpected attack. The warning device contains a prerecorded tape message directed to the specific condition of the patient carrying the device. The message may includeexplanatory information concerning the nature of the condition,
the immediate treatment necessary, and the specific aid to be summoned.
The warning device comprises a miniature tape recorder and accompanying control circuitry which functions as an annunciator to broadcast the prerecorded message. Other,
patient is repositioned or the device is removed from the person of the patient, a latching relay is included in the electrical circuitry in parallel with the attitude switch to maintain the power supply to the recorder components.
The warning device may be deactivated by a manually operated override switch included in the electrical circuitry. In this manner, the recorder can be deliberately stopped when desired.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of the warning device and the manner in which it is carried.
FIG. 2 is an exploded view of the warning device and tape cartridge.
FIG. 3 is a block diagram of the principal elements of the warning device.
FIG. 4 is a circuit diagram of the warning device.
DESCRIPTION OF THE PREFERRED EMBODIMENT Considering FIG. 1 in detaiLa warning device I illustrated in its environmental use, hereattached to the belt of a patient suffering an incapacitating attack. Locating the warning device of the patient's belt allows the patient the greatest degree of freedom of movement. At that location the warning device maintains a relatively stable vertical equilibrium during ambulatory movement. In FIG. 1 the patient is shown in a supine position. Such position upsets the vertical equilibrium of the warning device causing it to activate. The activated waming device will continuously broadcast aprerecorded instructional message to bystanders. The message can, of course. contain any information relating to the condition and treatment of the particular patient suffering the attack. There exists a variety of medical conditions that are recurring in nature and that subject a patient to prostrating seizure at unexpected moments.
The warning device can be adapted to adequately provide information relating to epileptic seizures, hypoglycemia or insulin shock, cardiac arrest, failure in cardiac pacemaker, or any similar incapacitating condition. The recorded information should naturally be specifically tailored for the individual patient by the patient's physician.
containing a broadcast recorder, power source and accompanying circuitry. On the face of the outer case is a screened speaker orifice 14, a manually operated override switch 16, and a manually operated backup switch 18.
The outer case 12 is adapted to receive a tape cartridge 20 in which is provided a continuous tape 22 (shown in phantom in FIG. 2) tracked on a series of a drive spool 24 and two trailing spools 26 (also shown in phantom in FIG. 2).
The block diagram of FIG. 3 and the circuit diagram of FIG. 4 schematically illustrate the electrical relationship between the principal components controlling the operation of the waming device.
A powersource, for instance a dry cell battery, represented by block 1 in FIG. 3, is electrically connected to an annunciator through a control circuit comprising an attitude switch represented by block 2, connected in parallel to a latching relay, represented by block 3, a series-connected override switch, represented by block 4, and a series-connected backup switch, represented by block 5.
The reciprocal relationship of the components for the preferred embodiment of the warning device of FIG. 2, is shown in greater detail in the circuit diagram of FIG. 4.
A DC power source 28 is electrically connected, through a drive coil 30 of alatching relay 32, to a mercury-filled attitude switch 34. The latching relay 32 is connected in parallel with theattitude switch 34 to common terminals 36 and 38. In series with the parallel-connected attitude switch and latching relay are the override switch 16 and the backup switch 18. When the warning device is in a potentially active state, i.e.,
when the warning device will activate upon a predetermined change in attitude, the override switch '16 and the backup switch 18 are in a normally closed position. The circuitry subsequent to the override switch and backup switch operates the 1 annunciator and connects in parallel a drive motor 40, operating the tape cartridge 20, and a power amplifier 42. The drive motor and power amplifier are connected in common to terminal 44 and ground line 46. The power amplifier amplifies the input signal from a recording head 50 to drive the output speaker 52.
In the potentially active state the attitude switch and latching relay are in an open condition, breaking the power the motor and amplifier by the alternate path through the latching relay. In this manner the warning device will continue to broadcast its instructional message regardless of any subsequent change in attitude during movement of the stricken patient or removal of the device from the patient's person.
To return the warning device to a potentially active state, the override switch is manually depressed momentarily, breaking the electrical connection between the power supply and the annunciator. The cessation of current through the coil causes the release of the latching relay, breaking the alternate relay circuit. As the override switch is spring-controlled to return to a closed position when released, the warning device will then return to its potentially active state.
The backup switch is included in the circuitry to enable the warning device to selectively be switched on to a potentially active state or oft to an inactive state. When switched off the warning device may be stored or transported without any possibility of activating, regardless of the attitude of the device.
What is claimed is:
l. A warning device adapted to be attached to a person prone to incapacitating medical conditions or prostrating seizures comprising an annunciator which when activated repeatedly broadcasts a prerecorded message to inform bystanders of the nature of such persons condition or seizure and how he is to be treated prior to the arrival of medical aid, a power source for connecting an electrical power supply to said annunciator, control means to activate such annunciator when such person passes from an erect to a supine position and to maintain said annunciator in an activated state regardless of any nature of subsequent change of the positional attitude of such person or the warning device, and deactivating means to override the activating control means and return the warning device to a preactivated state.
2. The warning device of claim 1 wherein the annunciator comprises a miniature tape recorder having an endless magnetic tape.
3. The warning device of claim 1 wherein said control means comprises an attitude switch contained in said warning device which closes, completing an electrical circuit between alternate electrical circuit between the power supply and the annunciator, when said attitude switch closes, said latching relay remaining closed regardless of any subsequent opening of the attitude switch when returning to a vertical equilibrium.
4. The warning device of claim I further comprising a backup switch electrically connected between said annunciator and said power source, said backup switch having an on" position for normal operational use of the warning device and an off" position which totally deactivates the device regardless of the attitude of the warning device.
5. The warning device of claim 3 wherein said deactivating means comprises an override switch electrically connected between said annunciator and said power source, which, when temporarily opened, terminates the power supply through the control means to the annunciator to open the latching relay of the control means.
6. A method of safeguarding a person who may be prone to a prostrating seizure comprising attaching to such person an annunciator adapted when activated to inform bystanders of the nature of such person s seizure and how he is to be treated pending the arrival of medical aid, activating said annunciator when such person passes from an erect to a supine position, and maintaining said annunciator activated for a predetermined period of time regardless of any nature of change of the positional attitude of such person during said period of time.
7. A method of safeguarding a person subject to incapacitating medical attacks or prostrating seizures comprising attaching to such person a warning device adapted when activated to re atedly broadcast a prerecorded instructional message relating to such person's condition to bystanders, ac-
tivating said warning device when such person passes a predetermined degree from a vertical equilibrium, maintaining said warning device activated regardless of any nature of change of the positional attitude of such warning device, and deactivating such device by an affirmative act after the necessary information has been received.
Claims (7)
1. A warning device adapted to be attached to a person prone to incapacitating medical conditions or prostrating seizures comprising an annunciator which when activated repeatedly broadcasts a prerecorded message to inform bystanders of the nature of such person''s condition or seizure and how he is to be treated prior to the arrival of medical aid, a power source for connecting an electrical power supply to said annunciator, control means to activate such annunciator when such person passes from an erect to a supine position and to maintain said annunciator in an activated state regardless of any nature of subsequent change of the positional attitude of such person or the warning device, and deactivating means to override the activating control means and return the warning device to a preactivated state.
2. The warning device of claim 1 wherein the annunciator comprises a miniature tape recorder having an endless magnetic tape.
3. The warning device of claim 1 wherein said control means comprises an attitude switch contained in said warning device which closes, completing an electrical circuit between the power supply and the annunciator, when said attitude switch is displaced a predetermined degree from a vertical equilibrium and a latching relay electrically connected in parallel with said attitude switch which closes, completing an alternate electrical circuit between the power supply and the annunciator, when said attitude switch closes, said latching relay remaining closed regardless of any subsequent opening of the attitude switch when returning to a vertical equilibrium.
4. The warning device of claim 1 further comprising a backup switch electrically connected between said annunciator and said power source, said backup switch having an ''''on'''' position for normal operational use of the warning device and an ''''off'''' position which totally deactivates the device regardless of the attitude of the warning device.
5. The warning device of claim 3 wherein said deactivating means comprises an override switch electrically connected between said annunciator and said power source, which, when temporarily opened, terminates the power supply through the control means to the annunciator to open the latching relay of the control means.
6. A method of safeguarding a person who may be prone to a prostrating seizure comprising attaching to such person an annunciator adapted when activated to inform bystanders of the nature of such person''s seizure and how he is to be treated pending the arrival of medical aid, activating said annunciator when such person passes from an erect to a supine position, and maintaining said annunciator activated for a predetermined period of time regardless of any nature of change of the positional attitude of such person during said period of time.
7. A method of safeguarding a person subject to incapacitating medical attacks or prostrating seizures comprising attaching to such person a warning device adapted when activated to repeatedly broadcast a prerecorded instructional message relating to such person''s condition to bystanders, activating said warning device when such person passes a predetermined degree from a vertical equilibrium, maintaining said warning device activated regardless of any nature of change of the positional attitude of such warning device, and deactivating such device by an affirmative act after the necessary information has been received.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87709769A | 1969-11-17 | 1969-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3634885A true US3634885A (en) | 1972-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US877097A Expired - Lifetime US3634885A (en) | 1969-11-17 | 1969-11-17 | Electronic medical warning device |
Country Status (1)
| Country | Link |
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| US (1) | US3634885A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863625A (en) * | 1973-11-02 | 1975-02-04 | Us Health | Epileptic seizure warning system |
| US3866204A (en) * | 1973-07-19 | 1975-02-11 | James H Barkley | Electronic medical warning device |
| US3898639A (en) * | 1972-08-24 | 1975-08-05 | Hrand M Muncheryan | Security surveillance laser system |
| US3947815A (en) * | 1975-05-09 | 1976-03-30 | Muncheryan Hrand M | Automobile emergency-alerting system |
| US4282412A (en) * | 1978-08-21 | 1981-08-04 | Florin Robert E | Mercury switch for monitoring position of patient |
| US4286589A (en) * | 1979-11-13 | 1981-09-01 | Thompson Harris A | Extension lead for a respirator alarm system |
| US4414994A (en) * | 1981-11-18 | 1983-11-15 | Hogan Roderick D | Earthquake fire safety system |
| US4665388A (en) * | 1984-11-05 | 1987-05-12 | Bernard Ivie | Signalling device for weight lifters |
| US4829285A (en) * | 1987-06-11 | 1989-05-09 | Marc I. Brand | In-home emergency assist device |
| US4938476A (en) * | 1988-06-06 | 1990-07-03 | Brunelle Timothy R | Body position attitude indicator device |
| US5006832A (en) * | 1988-09-30 | 1991-04-09 | Beaudry Armand J | Pocket alarm |
| US5086391A (en) * | 1989-02-24 | 1992-02-04 | Chambers Bryan R | Remote controller for activating speech messages and for contacting emergency services |
| US5207090A (en) * | 1991-03-25 | 1993-05-04 | Downing Jr John P | Particle sensor for stream bed |
| US5554975A (en) * | 1992-10-06 | 1996-09-10 | Hall; H. Eugene | Safety device for the proprioception impaired |
| US5588735A (en) * | 1994-06-14 | 1996-12-31 | Harada; Noboru | Stick |
| US6166639A (en) * | 1999-03-12 | 2000-12-26 | Advanced Marketing Systems Corporation | Personal emergency response system |
| US6285287B1 (en) * | 2000-12-15 | 2001-09-04 | Heather Jones | Alarm device |
| US6333694B2 (en) | 2000-03-09 | 2001-12-25 | Advanced Marketing Systems Corporation | Personal emergency response system |
| US6354299B1 (en) | 1997-10-27 | 2002-03-12 | Neuropace, Inc. | Implantable device for patient communication |
| US6614357B1 (en) * | 1999-04-08 | 2003-09-02 | Support Systems Product Development Corporation | Miniature message module |
| WO2006136976A1 (en) | 2005-06-24 | 2006-12-28 | Koninklijke Philips Electronics, N.V. | Method and apparatus for communicating with bystandars in the event of a catastrophic personal emergency |
| US20180000346A1 (en) * | 2014-12-19 | 2018-01-04 | Koninklijke Philips N.V. | Medical bracelet standard |
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|---|---|---|---|---|
| US2099868A (en) * | 1935-01-26 | 1937-11-23 | Sing Lang Jung | Automatic annunciator |
| US2474757A (en) * | 1945-06-04 | 1949-06-28 | Sebastiano D Amico | Burglary or fire alarm system |
| US2479621A (en) * | 1945-03-05 | 1949-08-23 | Jackson Harry | Magnetically operated switch |
| US3041594A (en) * | 1957-12-26 | 1962-06-26 | Ralph J Charles | Baby guard |
| US3208062A (en) * | 1962-09-12 | 1965-09-21 | Howard P Gregory | Signal devices for alerting purposes |
| US3248723A (en) * | 1962-10-10 | 1966-04-26 | Karl H Miethe | Automatically operated audible alarm |
-
1969
- 1969-11-17 US US877097A patent/US3634885A/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2099868A (en) * | 1935-01-26 | 1937-11-23 | Sing Lang Jung | Automatic annunciator |
| US2479621A (en) * | 1945-03-05 | 1949-08-23 | Jackson Harry | Magnetically operated switch |
| US2474757A (en) * | 1945-06-04 | 1949-06-28 | Sebastiano D Amico | Burglary or fire alarm system |
| US3041594A (en) * | 1957-12-26 | 1962-06-26 | Ralph J Charles | Baby guard |
| US3208062A (en) * | 1962-09-12 | 1965-09-21 | Howard P Gregory | Signal devices for alerting purposes |
| US3248723A (en) * | 1962-10-10 | 1966-04-26 | Karl H Miethe | Automatically operated audible alarm |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898639A (en) * | 1972-08-24 | 1975-08-05 | Hrand M Muncheryan | Security surveillance laser system |
| US3866204A (en) * | 1973-07-19 | 1975-02-11 | James H Barkley | Electronic medical warning device |
| US3863625A (en) * | 1973-11-02 | 1975-02-04 | Us Health | Epileptic seizure warning system |
| US3947815A (en) * | 1975-05-09 | 1976-03-30 | Muncheryan Hrand M | Automobile emergency-alerting system |
| US4282412A (en) * | 1978-08-21 | 1981-08-04 | Florin Robert E | Mercury switch for monitoring position of patient |
| US4286589A (en) * | 1979-11-13 | 1981-09-01 | Thompson Harris A | Extension lead for a respirator alarm system |
| US4414994A (en) * | 1981-11-18 | 1983-11-15 | Hogan Roderick D | Earthquake fire safety system |
| US4665388A (en) * | 1984-11-05 | 1987-05-12 | Bernard Ivie | Signalling device for weight lifters |
| US4829285A (en) * | 1987-06-11 | 1989-05-09 | Marc I. Brand | In-home emergency assist device |
| US4938476A (en) * | 1988-06-06 | 1990-07-03 | Brunelle Timothy R | Body position attitude indicator device |
| US5006832A (en) * | 1988-09-30 | 1991-04-09 | Beaudry Armand J | Pocket alarm |
| US5086391A (en) * | 1989-02-24 | 1992-02-04 | Chambers Bryan R | Remote controller for activating speech messages and for contacting emergency services |
| US5207090A (en) * | 1991-03-25 | 1993-05-04 | Downing Jr John P | Particle sensor for stream bed |
| US5554975A (en) * | 1992-10-06 | 1996-09-10 | Hall; H. Eugene | Safety device for the proprioception impaired |
| US5588735A (en) * | 1994-06-14 | 1996-12-31 | Harada; Noboru | Stick |
| US6354299B1 (en) | 1997-10-27 | 2002-03-12 | Neuropace, Inc. | Implantable device for patient communication |
| US6166639A (en) * | 1999-03-12 | 2000-12-26 | Advanced Marketing Systems Corporation | Personal emergency response system |
| US6614357B1 (en) * | 1999-04-08 | 2003-09-02 | Support Systems Product Development Corporation | Miniature message module |
| US6333694B2 (en) | 2000-03-09 | 2001-12-25 | Advanced Marketing Systems Corporation | Personal emergency response system |
| US6285287B1 (en) * | 2000-12-15 | 2001-09-04 | Heather Jones | Alarm device |
| WO2006136976A1 (en) | 2005-06-24 | 2006-12-28 | Koninklijke Philips Electronics, N.V. | Method and apparatus for communicating with bystandars in the event of a catastrophic personal emergency |
| US20180000346A1 (en) * | 2014-12-19 | 2018-01-04 | Koninklijke Philips N.V. | Medical bracelet standard |
| US10736510B2 (en) * | 2014-12-19 | 2020-08-11 | Koninklijke Philips N.V. | Medical bracelet standard |
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