CN2874617Y - Induction type literal symbol input device and its input press key unit - Google Patents
Induction type literal symbol input device and its input press key unit Download PDFInfo
- Publication number
- CN2874617Y CN2874617Y CN 200520047510 CN200520047510U CN2874617Y CN 2874617 Y CN2874617 Y CN 2874617Y CN 200520047510 CN200520047510 CN 200520047510 CN 200520047510 U CN200520047510 U CN 200520047510U CN 2874617 Y CN2874617 Y CN 2874617Y
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- induction type
- input device
- thermoinduction
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Abstract
The utility model relates to a thermal induced letter symbol input device and its input key-press unit. In detail, some key-press zones are available on the surface of the keyboard base plate. Some thermal induced modules are respectively positioned on each key-press zone. The pressed key-press zone's thermal induced module senses a temperature variable signal once the zone is triggered. The signal is processed firstly and then is transmitted as the key-press signal indicating the thermal induced module position. Surface of the keyboard base plate and all thermal induced modules are covered with a layer of thin film. It is allowed to print identifiable symbols on the thin film surface in correspondence with all key-press zones on the keyboard base plate surface.
Description
Technical field
The utility model relates to a kind of Words symbol input device, particularly relate to a kind of induction type literal symbol input device and input press key unit thereof, the input that the thermoinduction mode of its utilization human finger temperature is reached its letter symbol, numeral, image.
Background technology
In various measuring instruments, control device, digital device, office automation equipment, all need dispose by key inputting device.With present employed conventional keyboard structure, can be divided into mechanical spring structural formula button and thin film silicon plastic structure formula button two big classes, wherein the key board of mechanical spring structural formula has long-term humidity of the environment for use of being subject to and dust thing bits to hoard the not easy cleaning that is caused, and make the shortcoming that shortens its serviceable life with misoperation, more, its volume takies too much space because of being difficult for dwindling.
At moistureproof, water-proof function aspect; there is the dealer to develop to have the keyboard structure of waterproof and breathable protective seam; for example in the novel patent announcement of TaiWan, China is numbered No. 433497 existing patent case; it has disclosed a kind of keyboard structure of tool waterproof and breathable protective seam, and it is to set firmly one in the bottom surface of a keyboard mount pad by the formed protective seam of the polymeric material with water-proof function.In fact and fail to reach the water-proof function of expection yet during actual the use, this waterproof and breathable protective seam.
And at keyboard aspect the value-added tax function, also there is the dealer to design keyboard with preferable additional function, for example in the novel patent announcement of TaiWan, China is numbered No. 464014 existing patent case, it has disclosed a kind of key board unit that connects various peripherals, it is that motherboard at key board unit disposes several connectors, and this connector comprises the connector that can dock with mouse, printer, network etc.Although but having increased these additional functions, still can't effectively improve aspect the shortcoming of mechanical spring structure, so extensively be not subjected to consumer's acceptance.
Because there has been above-mentioned shortcoming in the structure of traditional mechanical spring structure formula button, thus the research and development of thin film silicon plastic structure formula press-key structure are arranged, and owing to the structure of diaphragm type, so make that made keyboard has lightly, thinner thickness, can break to fold and characteristic such as get.For example in the novel patent announcement of TaiWan, China is numbered No. 478619 existing patent case, it has disclosed a kind of foldable membrane keyboard structure, it mainly is to engage periphery with conductive membrane layer, insulating thin layer, conductive layer by thermosol, lightly can break to fold and gets membrane keyboard easy to carry to constitute one.Again for example in the novel patent announcement of TaiWan, China is numbered No. 325163 existing patent case, it has disclosed a kind of key board unit of diaphragm type, it is that base plate one surface of this keyboard is provided with one group of clamping device, the thin film circuit sleeve-board is overlying on this surface of base plate, clamping device can pass film circuit board, and another surface can directly or indirectly contact with other electronic installation.
Though thin film silicon plastic structure formula press-key structure will be improved because of volume is difficult for dwindling the shortcoming that takies too much space, but still there is being the long-term humidity of the environment for use of being subject to or dry causing the sclerosis of silica gel or fracture shortens its serviceable life even need impose on the problem that bigger power can be moved by the user.
So shortcoming in view of traditional mechanical spring structure formula or thin film silicon plastic structure formula button, also there is the dealer to design the press-key structure of another kind of kenel, for example in the novel patent announcement of TaiWan, China is numbered No. 95750 existing patent case, its part that has disclosed that a kind of button that utilizes spectral absorption characteristics to show multiple pattern, alphanumeric display is meant a kind of button is transparent or semitransparent body, have two or more different absorption spectrum color literal, pattern, can find expression in person on the button by after the condensation light source irradiation on the circuit board.Yet, adopting optical technology to reach the design of keypress function, when practical application, the control aspect of the signal controlling of light source and signal stabilization is not easy.
Summary of the invention
Technical problem to be solved in the utility model is:
In view of traditional mechanical spring structure formula, thin film silicon plastic structure formula or optical profile type press-key structure in many shortcomings, for example be subject to the long-term humidity of environment for use and dust thing bits and hoard that the not easy cleaning, the volume size that are caused are difficult for dwindling, taking too much space, waterproof effect is bad, operability is not good ... Deng, all be not vulnerable to good improvement, promptly become very important problem so how to design the keyboard or the push-button unit of another kind of kenel.
Particularly measuring instrument, control device, digital device or the office automation equipment when this keyboard or combination that push-button unit connects is when putting in comparatively harsh environment, the existing the problems referred to above of this keyboard or push-button unit promptly become the important key that total system can't normal running.
Therefore, fundamental purpose of the present utility model promptly provides a kind of induction type literal symbol input device, the input that the thermoinduction mode of its utilization human finger temperature is reached its letter symbol, numeral, image.
An of the present utility model purpose provides a kind of input press key unit of thermal-induction type letter symbol, and its utilization user touches by operation thermal-induction type input press key unit, and can produce push button signalling in view of the above.
A time purpose of the present utility model provides existing machinery spring structure formula key board and thin film silicon plastic structure formula key board and uses the life-span of causing spring assembly or the tired lump of silica gel assembly to be caused to shorten with the reduction generation misoperation of sensitivity even need impose on the device that shortcoming that bigger power can move or still can't move is improved by the user because of long-time.
A time purpose of the present utility model provides the device that the not good shortcoming of existing machinery spring structure formula key board and thin film silicon plastic structure formula key board waterproof effect is improved.
A time purpose of the present utility model provides existing machinery spring structure formula key board and is subjected to when using dust thing bits to hoard the life-span of being caused to shorten reduction with sensitivity and produce misoperation even need and impose on the device that shortcoming that bigger power can move or still can't move is improved by the user.
A time purpose of the present utility model provides the device that the excessive shortcoming of volume that existing machinery spring structure formula key board is subject to the thermomechanical components structure is improved.
For solving the problem in the known technology, the technical scheme that the utility model adopted is: the surface configuration at keyboard substrate has several button operation zones, and several thermoinduction assemblies then are configured in this each button operation zone one by one.When the user touches by this button operation zone, by this be subjected to touching by the button operation zone in the thermoinduction assembly sense a temperature variable signal, this temperature variable signal is through sending the push button signalling of representing this thermoinduction module position after signal Processing.Surface at this keyboard substrate and each thermoinduction assembly more is coated with a film, and can be printed with distinguished symbol in each button operation zone corresponding to this keyboard substrate surface on the surface of this film.
Advantage of the present invention:
By the technical scheme that the utility model adopted, can be so that general quantity be surveyed the key board unit or the push-button unit of required configuration in instrument, control device, digital device or the office automation equipment, except can using traditional mechanical button or the input button of pressure, the selection of another good button kenel is arranged more by diaphragm type.And Words symbol input device provided by the utility model is owing to be that the thermoinduction principle of utilization human finger temperature is reached the input of its letter symbol, numeral, image, thus efficiently solve the tired lump of assembly, the life-span that conventional keyboard or push-button unit run into shorten, sensitivity reduces, produce misoperation, operability is not good, waterproof effect is not good, be subject to the dust thing considers to be worth doing and shortcoming such as hoard, volume is excessive.When practical application, can select induction type literal symbol input device of the present utility model for use in response to the environment occasion of reality.
Description of drawings
Fig. 1 is the first embodiment stereographic map that shows the utility model induction type literal symbol input device;
Fig. 2 is the configuration schematic diagram that shows when the utility model induction type literal symbol input device associated components separates;
Fig. 3 is the cut-open view that shows 3-3 section among first figure;
Fig. 4 is the second embodiment stereographic map that shows the utility model induction type literal symbol input device;
Fig. 5 shows that one includes the key circuit figure of the utility model induction type literal symbol input device;
Fig. 6 is the thermoinduction assembly in demonstration the utility model induction type literal symbol input device more can be made signal Processing earlier via a signal pre-processing circuit a circuit diagram.
Embodiment
Consult shown in Figure 1ly, it is the first embodiment stereographic map that shows the utility model induction type literal symbol input device, and Fig. 2 is the configuration schematic diagram that shows when the utility model induction type literal symbol input device associated components separates.As shown in the figure, induction type literal symbol input device 100 of the present utility model mainly is to be provided with several button operation zones 11 on the surface of a keyboard substrate 1, and disposes a thermoinduction assembly 21 in each button operation zone 11.A thermoinduction assembly 21 promptly forms a thermal-induction type input press key unit 2 with corresponding key operating area 11 (as keying body).
After each thermoinduction assembly 21 was embedded in the button operation zone 11 of this keyboard substrate 1, the mode of wiring that can be known or guided out with the winding displacement ways of connecting was drawn by a winding displacement 12, for the digital device that is connected to application again.
Fig. 4 is the second embodiment stereographic map that shows the utility model induction type literal symbol input device.Most member of this embodiment is all identical with last embodiment, so identical member is with identical being indicated with reference to numbering.In this embodiment, its surface at keyboard substrate 1 also is provided with several button operation zones 11, the mode Boulez that each button operation zone 11 can matrix, and form a matrix keyboard input media.
Fig. 5 shows that one includes the key circuit figure of the utility model induction type literal symbol input device, in this circuit, constitute a keyboard matrix by several thermal-induction type input press key units 2 of the present utility model, thermoinduction assembly 21 series connection one diode 23 in each thermal-induction type input press key unit 2 is to prevent to have simultaneously the situation of the push button signalling mistake that the more than two key unit caused by pressure on time.
Horizontal signal wire in each thermal-induction type input press key unit 2 all is connected to a decoding scheme 51, the decoded signal s1 that is produced for a digital device (not shown) deciphers, the longitudinal signal line of this each thermal-induction type input press key unit 2 then is connected to a multiplexer 52, so that the thermoinduction assembly 21 in any thermal-induction type input press key unit 2 is touched on time, can be by the multitask function of this multiplexer 52, and send by key output signal s2 by this multiplexer 52.This decoding scheme 51 and multiplexer 52 are to have constituted a basic push button signalling treatment circuit 5, and when the digital display circuit of reality was used, this push button signalling treatment circuit 5 can comprise other circuit (for example bolt lock device, position code translator etc.) in addition certainly.
In addition, thermal-induction type input press key unit 2 of the present utility model is to produce corresponding push button signalling by the temperature that the sensing user points.So when circuit design, can in this push button signalling treatment circuit 5, more include a signal pre-processing circuit 53 (as shown in Figure 6).This signal pre-processing circuit 53 can include a preamplifying circuit 531, a wave filter 532, a bounce-back jumping circuit 533, one drive circuit 534.Thermoinduction assembly 21 in this thermal-induction type input press key unit 2 is touched on time, temperature variable signal s3 that it produced is amplified by preamplifying circuit 531 earlier and the filtering noise of wave filter 532, prevent that by this bounce-back jumping circuit 533 button from being touched unstable state situation on time, sends corresponding key identification signal s4 by driving circuit 534 more again.
By above embodiment explanation as can be known, induction type literal symbol input device provided by the utility model and push-button unit thereof really provide the data input device of a Nover practical, make the traditional mechanical button that disposed in general measuring instrument, control device, digital device or the office automation equipment or press outside the input button by diaphragm type, the selection of another good button kenel is more arranged, so the industrial utilization of the true tool height of the utility model.
Claims (9)
1. an induction type literal symbol input device is characterized in that: include
One keyboard substrate, its surface configuration have several button operation zones;
Several thermoinduction assemblies, be configured in each button operation zone of this keyboard substrate one by one, to produce a temperature variable signal being subjected to touching of user on time, this temperature variable signal is through sending the push button signalling of representing this thermoinduction module position after signal Processing.
2. induction type literal symbol input device according to claim 1 is characterized in that: the surface of this keyboard substrate and each thermoinduction assembly more is coated with a film.
3. induction type literal symbol input device according to claim 2 is characterized in that: this film is to be a transparent membrane.
4. induction type literal symbol input device according to claim 1 is characterized in that: it more includes a push button signalling treatment circuit, in order to receive the temperature variable signal that this each thermoinduction assembly produced and to be deciphered.
5. induction type literal symbol input device according to claim 1 is characterized in that: this each thermoinduction assembly is to form a key-press matrix.
6. induction type literal symbol input device according to claim 1, it is characterized in that: the temperature variable signal that this each thermoinduction assembly is produced touching on time is more through a signal pre-processing circuit, this signal pre-processing circuit includes a preamplifying circuit, one wave filter, one bounce-back jumping circuit, one drive circuit, the temperature variable signal that this thermoinduction assembly is touched on time to be produced amplify by this preamplifying circuit earlier and the filtering noise of wave filter after, prevent that by this bounce-back jumping circuit button from being touched unstable state situation on time, sends the corresponding key identification signal by driving circuit more again.
7. a thermal-induction type input press key unit is characterized in that: include
One keying body;
One button operation zone is formed on this keying body;
One thermoinduction assembly is embedded in the button operation zone of this keying body, senses a temperature variable signal by this thermoinduction assembly.
8. thermal-induction type input press key unit according to claim 11 is characterized in that: the surface of this keying body and thermoinduction assembly more is coated with a film.
9. thermal-induction type input press key unit according to claim 12 is characterized in that: this film is to be a transparent membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047510 CN2874617Y (en) | 2005-12-14 | 2005-12-14 | Induction type literal symbol input device and its input press key unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047510 CN2874617Y (en) | 2005-12-14 | 2005-12-14 | Induction type literal symbol input device and its input press key unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2874617Y true CN2874617Y (en) | 2007-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520047510 Expired - Fee Related CN2874617Y (en) | 2005-12-14 | 2005-12-14 | Induction type literal symbol input device and its input press key unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN2874617Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645974A (en) * | 2009-05-18 | 2010-02-10 | 上海闻泰电子科技有限公司 | Mobile phone with thermal-induction type touch voice prompt function |
| CN101882017B (en) * | 2009-05-08 | 2012-08-22 | 瑞鼎科技股份有限公司 | Input device and input method |
| CN103576956A (en) * | 2012-07-31 | 2014-02-12 | 宸鸿科技(厦门)有限公司 | Temperature-sensitive type touch control panel, manufacturing method for same and detecting method for temperature-sensitive type touch control panel |
| CN104656892A (en) * | 2015-01-30 | 2015-05-27 | 上海理工大学 | Perceptive reading device |
| CN109828676A (en) * | 2018-12-29 | 2019-05-31 | 深圳市恒怡多精彩科技有限公司 | A kind of keyboard using contact heat-sensitive sensor as key |
-
2005
- 2005-12-14 CN CN 200520047510 patent/CN2874617Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882017B (en) * | 2009-05-08 | 2012-08-22 | 瑞鼎科技股份有限公司 | Input device and input method |
| CN101645974A (en) * | 2009-05-18 | 2010-02-10 | 上海闻泰电子科技有限公司 | Mobile phone with thermal-induction type touch voice prompt function |
| CN103576956A (en) * | 2012-07-31 | 2014-02-12 | 宸鸿科技(厦门)有限公司 | Temperature-sensitive type touch control panel, manufacturing method for same and detecting method for temperature-sensitive type touch control panel |
| CN103576956B (en) * | 2012-07-31 | 2016-08-24 | 宸鸿科技(厦门)有限公司 | Temperature induction type contact panel and manufacture method thereof and method for detecting |
| CN104656892A (en) * | 2015-01-30 | 2015-05-27 | 上海理工大学 | Perceptive reading device |
| CN104656892B (en) * | 2015-01-30 | 2017-06-09 | 上海理工大学 | Perceive reading device |
| CN109828676A (en) * | 2018-12-29 | 2019-05-31 | 深圳市恒怡多精彩科技有限公司 | A kind of keyboard using contact heat-sensitive sensor as key |
| CN109828676B (en) * | 2018-12-29 | 2024-04-05 | 安庆市恒怡多精彩科技有限公司 | Keyboard using contact type heat-sensitive sensor as key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |