CN102096470A - Acceleration sensing-based virtual air keyboard - Google Patents
Acceleration sensing-based virtual air keyboard Download PDFInfo
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- CN102096470A CN102096470A CN2011100374307A CN201110037430A CN102096470A CN 102096470 A CN102096470 A CN 102096470A CN 2011100374307 A CN2011100374307 A CN 2011100374307A CN 201110037430 A CN201110037430 A CN 201110037430A CN 102096470 A CN102096470 A CN 102096470A
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Abstract
The invention discloses an acceleration sensing-based virtual air keyboard, relates to an information input device, and provides the acceleration sensing-based virtual air keyboard which not only can sense, analyze and compute finger movement loci of an operator, confirm key pressing actions of the operator and further identify the input intention of the operator to realize non-contact input without foundation, but also is convenient and flexible to use with silent keys, novelty and interesting and can improve the work efficiency and the life quality of the operator. The acceleration sensing-based virtual air keyboard is provided with a glove, key sensing modules, a central processing module, a terminal communication module and a power supply, wherein the key sensing modules are arranged on finger tips of the glove; the input port of the central processing module is connected with the output ends of the key sensing modules; the input port of the terminal communication module is connected with the output port of the central processing module; the output end of the terminal communication module is communicated with an external terminal; and the power supply is used for providing power for the key sensing modules, the central processing module and the terminal communication module and realizing power supply management.
Description
Technical field
The present invention relates to a kind of message input device, especially relate to and a kind ofly can make operator's virtual air keyboard based on acceleration induction of control information input without foundation.
Background technology
The supporting keyboard of terminals such as existing and computing machine is mostly continued to use the layout of former english typewriter plane keyboard, and each key position is line misregistration and fixedly is arranged in the plane.There is following shortcoming in use in such keyboard:
1) because existing keyboard key-position layout is fixed, operator's use method of operating there is strict restriction, not enough hommization, so the operator can not change the hand attitude when operating, long-time use easily causes wrist to ossify.
2) because all keyboard layouts of existing keyboard on same plane, therefore cause keyboard volume to be not easy to carry greatly.
3) because existing keyboard is generally mechanical structure, can't accomplish to import noiseless, the place of the environment that therefore is not suitable for needing peace and quiet.
4) because existing keyboard needs the hardware desktop as support, so the operator can't stand, lying low, carry out when walking information input, and is engaged in desktop keyboard typewriting task for a long time, easily brings out occupational illness such as cervical spondylopathy, osteoarthropathy.
In order to overcome above shortcoming, the new technology of many improvement keyboards is proposed all both at home and abroad.Wherein, Chinese patent CN 2546937Y discloses a kind of glove-type computer keyboard, and this keyboard has been laid 36 touch-switchs everywhere at finger, presses a plurality of switches simultaneously by the operator and determines that the operator wants the character of importing.But, therefore also make and operate the very complicated that becomes, and can't accomplish to import noiseless because but this design has increased the number of input character greatly.
Chinese patent CN 201177791Y discloses a kind of glove-type miniature keyboard, and this keyboard is provided with one miniature some key head at thumb cover point, and the button of keyboard layout commonly used is set on other four fingers.Though the operator can realize input at palm of the hand point key by thumb, this keyboard has certain risk, the key position of dense distribution also can cause operation inconvenience when using, also can't carry out normal running when unglazed.
Chinese patent CN 1273649A discloses a kind of being used for and the interactive mitten of data handling system, and these gloves are placed multiple sensors with the proximal interphalangeal joint place between referring to, measure the degree of crook of finger, and further parse operation person's input is intended to.Though this keyboard has been realized better man-machine interaction, it has more requirement to finger position, is causing erroneous judgement aspect the identification of key position easily.And this equipment need knock on the surface with certain rigidity, can't realize real noiseless and virtual contactless input without foundation.
Chinese patent CN 101697097A discloses a kind of glove type soft keyboard, and this keyboard has been settled a plurality of buttons on the front and back of finger, as long as button is pressed, can confirm actuation of keys, and then understands operator's input intention.Each button also be divided into flicking with heavily by two states.But though can increase the number of input character greatly, also be more convenient for carrying, this device keyboard operating process is too loaded down with trivial details, and is also bigger with the mode that the impacts difference of conventional keyboard, can't realize real virtual input without foundation.
Chinese patent CN 2616946Y discloses a kind of glove-type press-key structure, and this keyboard is redistributed all buttons, is placed in the both hands back side and front, has added mouse function simultaneously.Though both hands pressing keys mutually when the operator uses, the attitude of hand can not stop to change, this keyboard can't realize not having vocal input, can not carry out normal running when unglazed.
Obviously, above-mentioned improvement technology or the product that keyboard is proposed can't overcome the shortcoming that has keyboard now fully, also is tending towards complicated in operation, and not enough hommization has also reduced quality of the life simultaneously.
Summary of the invention
The objective of the invention is to shortcoming at above-mentioned existing keyboard existence, but provide a kind of not only perception, analysis and calculating operation person finger motion locus, confirm that operator's actuation of keys also further identifies operator's input intention, realize non-contacting input without foundation, and it is easy to use flexible, button is noiseless, and is novel interesting, can improve the virtual air keyboard based on acceleration induction of operator's work efficiency and quality of the life.
The present invention is provided with gloves, button sensing module, central processing module, terminal called module and power supply;
Described button sensing module is used for acceleration or the angular velocity varies that sense operation person's finger motion is produced, and sensing results is exported to central processing module through behind the signal condition, and the button sensing module is located on the finger tip of gloves;
Described central processing module is used for the finger space motor message of analytical calculation button sensing module output, the identification finger motion locus, reconstruct hand attitude is also confirmed operator's actuation of keys, input according to actuation of keys identifying operation person is intended to again, give the terminal called module with its coding transmission, the input port of central processing module connects button sensing module output terminal;
Described terminal called module is used for the information interaction with exterior terminal, the coding of central processing module transmission is interpreted as corresponding key assignments is input to exterior terminal, the input port of terminal called module connects the central processing module output port, terminal called module output terminal and exterior terminal communication;
Power supply is used to button sensing module, central processing module and terminal called module that electric power is provided and realizes power management.
Communication between described button sensing module and the central processing module, between central processing module and the terminal called module, between terminal called module and the exterior terminal can be adopted at least a in wire communication, wireless telecommunications, the infrared communication etc.
Described central processing module can be placed in operator's hand, also can be placed in hand place in addition.
Described button sensing module is provided with acceleration or angular-rate sensor and signal condition submodule; Acceleration or angular velocity varies amount that described acceleration or angular-rate sensor are used for the perception telepilot to be produced when writing in the space; Described signal condition submodule is used for processing such as the filtering noise reduction of the driving of sensor and output signal thereof, shaping, amplifications.
The output quantity of described acceleration or angular-rate sensor can be a simulating signal, also can be digital signal; Described acceleration or angular-rate sensor can be selected at least 2 1～3 dimension acceleration transducers, at least 2 1～3 dimension angular-rate sensors or at least 2 1～3 dimension gyroscopes etc.
Described signal condition submodule is used for to processing such as the filtering noise reduction of the driving of sensor and output signal thereof, shaping, amplifications, if simulating signal also need be converted into the accessible digital signal of central processing module.
Described acceleration or angular-rate sensor can be positioned over the optional position of finger.
When the operator simulates the hammer action of using physical keyboard aloft, point acceleration or the angular velocity varies that is produced when the motion sensor (acceleration transducer, angular-rate sensor etc.) that is installed in the finger place can sense operation person be implemented hammer action, and signal is transferred to central processing module.Central processing module analytical calculation finger motion locus, reconstruct hand attitude is also confirmed its actuation of keys; At last, identify operator's input intention again according to actuation of keys, give the terminal called module its coding transmission.Terminal called module parses coding is compiled into key assignments once more with it, at last by communications protocol with the key assignments entry terminal.
The present invention also comprises the indication directly perceived of pointing corresponding button, for example, the present invention is used for the Virtual Realization of qwerty keyboard, (as near the back of the hand of each finger root or on the finger) is printed on character and pilot lamp at the observable position of operator, with the operator that conveniently lacks experience operating equipment correctly, learn the using method of this equipment fast.
The present invention is programmable, can allow keyboard go to be fit to the use habit (finger move angle or speed, hand static position) of particular operators.For example, the operator points custom position or the extreme position that finger is set by stretching, extension, bending, stretching and translation, and the software of central processing module can adapt to also identifying operation person's action better according to above-mentioned position.Equally also can change the key assignments of keyboard correspondence according to the custom of operator's input voluntarily.
But the present invention mainly comprises perception, analysis and calculating operation person finger motion locus, confirms that operator's actuation of keys also further identifies operator's input intention, realizes non-contacting input without foundation.The present invention is easy to use, and button is noiseless flexibly, and is novel interesting, can improve operator's work efficiency and quality of the life.
The present invention realizes that the method for mutual input is: the operator simulates the finger movement when using physical keyboard to knock aloft, can realize non-contacting input without foundation.In the input process, operator's both hands can arbitrarily be placed or move, and do not influence this equipment result of use.
The mode of the present invention realizes identifying operation person's finger movement is as follows:
Use is placed in the sensor at operator's finger place, acceleration or angular velocity varies that sense operation person's finger motion is produced; The finger space motor message of analytical calculation sensor measurement then, and identification finger motion locus, reconstruct hand attitude is also confirmed operator's actuation of keys; Thereby further the input according to actuation of keys identifying operation person is intended to.
This shows that compare with existing keyboard, outstanding advantage of the present invention is:
1) because from changing keyboard entry method in essence, therefore overcome existing keyboard operation mode too inflexible, can have vocal input and carry defective such as inconvenience, a kind of substituting input equipment is provided.In addition, make the more convenient and flexible and hommization of man-machine interaction process.
2) since to the operator in use both hands the position and move without any restriction, therefore can break away from existing keyboard to both hands constraint spatially, realized real virtual contactless input without foundation, the information input process is noiseless in addition.
3) change the outward appearance that has keyboard now, make it smaller and more exquisite, be easy to carry.In addition, outward appearance has had more more options, can design more fashion and personalization.For example, if the operator wants input alphabet Q, left hand can be brandished little finger to the back of the hand direction, and motion sensor promptly perceives the movable information (acceleration or angular velocity varies) of finger, and signal is transferred to central processing module.The movement locus of each finger of central processing module analytical calculation, the movement locus that draws little finger meets the judgement of button Q.Thereby send respective coding to subsequent module, on Ta, show alphabetical Q at last.The operator only needs simulation aloft to use the hammer action of physical keyboard, can realize interactive entry facility.The present invention by being installed in the sensor on operator's finger, points acceleration or the angular velocity varies that is produced earlier when hammer action is implemented in induction; Analytical calculation finger motion locus then, reconstruct hand attitude is also confirmed its actuation of keys; At last, identify operator's input intention again according to actuation of keys, realize non-contacting input without foundation.Than existing keyboard, the present invention is more small and exquisite on volume and weight, is convenient to carry.Because only need simulate hammer action aloft, the present invention has broken away from conventional keyboard to both hands constraint spatially, when standing, walking, also can realize input; And silent in input process, also applicable to the place of the environment that needs peace and quiet.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention is formed and the user mode synoptic diagram.
Fig. 2 is the use input mode synoptic diagram of the embodiment of the invention.
Embodiment
Further specify the specific embodiment of the present invention below with reference to accompanying drawing.
The present invention is provided with gloves, button sensing module, central processing module, terminal called module and power supply.
Described button sensing module is located on the finger tip of gloves, the input port of described central processing module connects button sensing module output terminal, the input port of described terminal called module connects the central processing module output port, terminal called module output terminal and exterior terminal communication; Power supply is used to button sensing module, central processing module and terminal called module that electric power is provided and realizes power management.Communication between described button sensing module and the central processing module, between central processing module and the terminal called module, between terminal called module and the exterior terminal can be adopted at least a in wire communication, wireless telecommunications, the infrared communication etc.Described central processing module can be placed in operator's hand, also can be placed in hand place in addition.
Below provide specific embodiment:
Referring to Fig. 1, equipment comprises a gloves A (need use a pair of gloves when normally importing), each finger tip of gloves A is equipped with a new MXC6202 acceleration transducer of U.S., be wired to chip 89C4051, serial communication transfer encoding between chip 89C4051 and the chip 89S52, chip 89S52 uses usb protocol and PC communication by chip USBD12.Gloves A is worn over the operator on hand, so that sense operation person's hand exercise track.
Sensor in the present embodiment can be measured static state inclination angle over the ground, also can measure acceleration of motion.Acceleration transducer is installed on the flexible substrates, so that set up firm connection the between sensor and the gloves, base plug can be dismantled in the cover at the back side of the finger of gloves.
Figure 2 shows that one of input mode that present embodiment may use.1,4 kinds of states of 2,3,4 difference respective user left index fingers.State 1: forefinger inclines to palm of the hand direction is little; State 2: press under forefinger is vertical; State 3: forefinger is brandished to the palm of the hand; State 4: forefinger is brandished to the back of the hand.State 1 is defined as initial state, and representative of consumer does not have actuation of keys.State 2,3,4 respectively is customized for the user and carries out different actuation of keys.Want input " R " key as the user, answer left index finger to brandish to the back of the hand direction, promptly state 4, just can import " R " to exterior terminal.
This input mode is only pointed relevantly with the user, and the user uses this input mode can realize contactless freely input without foundation.The input mode of this equipment is not limited to top described, can use other input mode, and the user also can define the individual character input mode of oneself voluntarily.
Claims (6)
1. based on the virtual air keyboard of acceleration induction, it is characterized in that being provided with gloves, button sensing module, central processing module, terminal called module and power supply;
Described button sensing module is used for acceleration or the angular velocity varies that sense operation person's finger motion is produced, and sensing results is exported to central processing module through behind the signal condition, and the button sensing module is located on the finger tip of gloves;
Described central processing module is used for the finger space motor message of analytical calculation button sensing module output, the identification finger motion locus, reconstruct hand attitude is also confirmed operator's actuation of keys, input according to actuation of keys identifying operation person is intended to again, give the terminal called module with its coding transmission, the input port of central processing module connects button sensing module output terminal;
Described terminal called module is used for the information interaction with exterior terminal, the coding of central processing module transmission is interpreted as corresponding key assignments is input to exterior terminal, the input port of terminal called module connects the central processing module output port, terminal called module output terminal and exterior terminal communication;
Power supply is used to button sensing module, central processing module and terminal called module that electric power is provided and realizes power management.
2. the virtual air keyboard based on acceleration induction as claimed in claim 1 is characterized in that between described button sensing module and the central processing module, at least a in wire communication, wireless telecommunications, the infrared communication adopted in the communication between central processing module and the terminal called module, between terminal called module and the exterior terminal.
3. the virtual air keyboard based on acceleration induction as claimed in claim 1 is characterized in that described central processing module is placed in operator's hand, or the place beyond hand.
4. the virtual air keyboard based on acceleration induction as claimed in claim 1 is characterized in that described button sensing module is provided with acceleration or angular-rate sensor and signal condition submodule; Acceleration or angular velocity varies amount that described acceleration or angular-rate sensor are used for the perception telepilot to be produced when writing in the space; Described signal condition submodule is used for the driving of sensor and filtering noise reduction, shaping, the processing and amplifying of output signal thereof.
5. the virtual air keyboard based on acceleration induction as claimed in claim 1, the output quantity that it is characterized in that described acceleration or angular-rate sensor is simulating signal or digital signal.
6. as claim 1 or 5 described virtual air keyboards, it is characterized in that described acceleration or angular-rate sensor are at least 2 1～3 dimension acceleration transducers, at least 2 1～3 dimension angular-rate sensors or at least 2 1～3 dimension gyroscopes based on acceleration induction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100374307A CN102096470A (en) | 2011-02-14 | 2011-02-14 | Acceleration sensing-based virtual air keyboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100374307A CN102096470A (en) | 2011-02-14 | 2011-02-14 | Acceleration sensing-based virtual air keyboard |
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| CN102096470A true CN102096470A (en) | 2011-06-15 |
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| CN2011100374307A Pending CN102096470A (en) | 2011-02-14 | 2011-02-14 | Acceleration sensing-based virtual air keyboard |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092437A (en) * | 2012-12-13 | 2013-05-08 | 同济大学 | Portable touch interactive system based on image processing technology |
| CN103455136A (en) * | 2012-06-04 | 2013-12-18 | 中兴通讯股份有限公司 | Inputting method, inputting device and inputting system based on gesture control |
| CN103543837A (en) * | 2013-11-07 | 2014-01-29 | 金纯� | Keyboard-free input method and device achieving same |
| CN103713733A (en) * | 2012-10-08 | 2014-04-09 | 冠捷投资有限公司 | Input method using finger-palm print identification |
| CN104536574A (en) * | 2014-12-29 | 2015-04-22 | 西安电子科技大学 | Glove type input device and input method thereof |
| CN105955511A (en) * | 2016-06-16 | 2016-09-21 | 张斌 | Handheld character input equipment |
| CN106293138A (en) * | 2016-08-12 | 2017-01-04 | 包爱民 | A kind of body sensing ring mouse |
| CN107562205A (en) * | 2017-09-15 | 2018-01-09 | 上海展扬通信技术有限公司 | A kind of projected keyboard of intelligent terminal and the operating method of the projected keyboard |
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| US5581484A (en) * | 1994-06-27 | 1996-12-03 | Prince; Kevin R. | Finger mounted computer input device |
| CN1477481A (en) * | 2002-08-19 | 2004-02-25 | ���ǵ�����ʽ���� | Information input device, information processing device and information input method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5581484A (en) * | 1994-06-27 | 1996-12-03 | Prince; Kevin R. | Finger mounted computer input device |
| CN1477481A (en) * | 2002-08-19 | 2004-02-25 | ���ǵ�����ʽ���� | Information input device, information processing device and information input method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103455136A (en) * | 2012-06-04 | 2013-12-18 | 中兴通讯股份有限公司 | Inputting method, inputting device and inputting system based on gesture control |
| CN103713733A (en) * | 2012-10-08 | 2014-04-09 | 冠捷投资有限公司 | Input method using finger-palm print identification |
| CN103092437A (en) * | 2012-12-13 | 2013-05-08 | 同济大学 | Portable touch interactive system based on image processing technology |
| CN103092437B (en) * | 2012-12-13 | 2016-07-13 | 同济大学 | A kind of Portable touch interactive system based on image processing techniques |
| CN103543837A (en) * | 2013-11-07 | 2014-01-29 | 金纯� | Keyboard-free input method and device achieving same |
| CN104536574A (en) * | 2014-12-29 | 2015-04-22 | 西安电子科技大学 | Glove type input device and input method thereof |
| CN104536574B (en) * | 2014-12-29 | 2017-11-21 | 西安电子科技大学 | A kind of glove-type input equipment and its input method |
| CN105955511A (en) * | 2016-06-16 | 2016-09-21 | 张斌 | Handheld character input equipment |
| CN106293138A (en) * | 2016-08-12 | 2017-01-04 | 包爱民 | A kind of body sensing ring mouse |
| CN107562205A (en) * | 2017-09-15 | 2018-01-09 | 上海展扬通信技术有限公司 | A kind of projected keyboard of intelligent terminal and the operating method of the projected keyboard |
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Application publication date: 20110615 |