CN102376483A - Input device capable of improving contact sensitivity - Google Patents
Input device capable of improving contact sensitivity Download PDFInfo
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- CN102376483A CN102376483A CN2010102669036A CN201010266903A CN102376483A CN 102376483 A CN102376483 A CN 102376483A CN 2010102669036 A CN2010102669036 A CN 2010102669036A CN 201010266903 A CN201010266903 A CN 201010266903A CN 102376483 A CN102376483 A CN 102376483A
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- keycap
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- input unit
- polar region
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Abstract
The invention relates to an input device capable of improving contact sensitivity, which comprises a plurality of key units, a circuit board and a plurality of pressed units corresponding to the key units, wherein each key unit comprises a soft key cap and a hard pressed block formed at the bottom of the soft key cap; the circuit board comprises a plurality of conductive contact assemblies; each conductive contact assembly is provided with a first polar zone and a second polar zone; each pressed unit comprises a positioning diaphragm and a conductive shrapnel positioned between the positioning diaphragm and the circuit board; when each key unit is loosened, the conductive shrapnel is only in contact with the first polar zone; and when each key unit is pressed, the pressed salient point of each hard pressed block is pressed downwards to enable the conductive shrapnel to be deformed to conduct the first polar zone and the second polar zone, thus the pressing stroke sensitivity and the pressing hand feeling are improved by each hard pressed block and the conductive shrapnel.
Description
Technical field
The present invention relates to a kind of input unit, particularly a kind of input unit that improves contact sensitivity.
Background technology
Consult Fig. 1; A kind of input unit 1 in the past comprises a plurality of push-button units 11; And being positioned at the circuit board 12 under this push-button unit 11, each push-button unit 11 comprises soft keycap (keycap) 111, and is formed at the conduction softwood layer 112 of these soft keycap 111 bottom surfaces; This circuit board 12 comprises a plurality of to conducting electricity the conductive junction point group 121 of softwood layer 112; Each conductive junction point group 121 has first polar region 122 and second polar region 123, pushes this soft keycap 111 and makes this conduction softwood layer 112 this conductive junction point groups 121 of contact, makes this first and second polar region 122,123 conductings.
Because the button material is that soft material is processed; Push the stroke instability and be easy to generate invalid pushing; Therefore, need push the amount of compression of this soft keycap 111 more than to a certain degree, just can make effectively these first and second polar regions 122,123 of these circuit board 12 conductings of contact of this conduction softwood layer 112.
Summary of the invention
Therefore, the technical problem that the present invention will solve is, to the relatively poor defective of input unit sensitivity of the prior art, a kind of input unit that improves contact sensitivity is provided.
The technical solution adopted for the present invention to solve the technical problems is; A kind of input unit that improves contact sensitivity is provided, comprises a plurality of push-button units, circuit board and a plurality of pressure receiving means, this push-button unit comprises soft keycap respectively; And be located at the hard briquetting of this soft keycap bottom; This hard briquetting hardness is higher than this soft keycap, and this hard briquetting has down the compacting salient point of protrusion respectively, and this circuit board correspondence is positioned at this push-button unit below; Comprise a plurality of respectively to conductive junction point group that should push-button unit; Each conductive junction point group has first polar region and second polar region, and this pressure receiving means comprises respectively should push-button unit and be installed in the positioning film on this circuit board, and is positioned the electroconductive elastic sheet between corresponding positioning film and this circuit board; Permanent corresponding first polar region of contact of this electroconductive elastic sheet and process for the elastically deformable material; Push this push-button unit and make the compacting salient point compress corresponding pressure receiving means, corresponding electroconductive elastic sheet is out of shape and corresponding first and second polar region of conducting, loosen the then corresponding electroconductive elastic sheet of this push-button unit and reply to only contacting this first polar region.
Effect of the present invention is this hard briquetting is arranged at corresponding soft keycap bottom, makes the compacting salient point of this hard briquetting compress corresponding electroconductive elastic sheet, pushes stroke and obviously pushes feel than sensitive and generation.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is an assembled sectional view, and input unit in the past is described;
Fig. 2 is a three-dimensional exploded view, and an a kind of preferred embodiment that improves the input unit of contact sensitivity of the present invention is described;
Fig. 3 is an assembled sectional view, and the corresponding a plurality of pressure receiving means of a plurality of push-button units in this preferred embodiment are described;
Fig. 4 is a front view, and the wherein conductive junction point picture group case in this preferred embodiment is described;
Fig. 5 is an assembled sectional view, explains and pushes this push-button unit in this preferred embodiment to compress corresponding pressure receiving means; And
Fig. 6 is an assembled sectional view, and the variable condition of this push-button unit in this preferred embodiment is described.
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of a preferred embodiment of following conjunction with figs., can clearly appear.
Consult Fig. 2 and Fig. 3; The preferred embodiment of input unit that the present invention can improve contact sensitivity comprises a plurality of push-button unit 2, circuit board 3, a plurality of pressure receiving means 4, keycap brace 5, the sheet 6 that is located by connecting, a plurality of light-emitting diode 7, upper casing 8 and lower casing 9, this upper casing 8 and lower casing 9 define jointly one hold said modules room A.
This push-button unit 2 comprises soft keycap 21 respectively, and is located at the hard briquetting 22 of these soft keycap 21 bottoms.This soft keycap 21 is by these keycap brace 5 mutual bridge joints, and in this preferred embodiment, this keycap brace 5 is formed in one with this soft keycap 21.
These hard briquetting 22 hardness are higher than soft keycap 21; This soft keycap 21 is that to be selected from the group that is made up of rubber, silica gel made; This hard briquetting 22 is a plastic material, for example ABS (styrene), PC (Merlon), and this soft keycap 21 has alcove 211 respectively; This hard briquetting 22 has correspondence respectively and is placed in the anchor clamp portion (anchoring portion) 221 in the alcove 211, and the compacting salient point 222 that protrudes down.
The anchor clamp portion 221 of 211 and hard briquetting 22 of these soft keycap 21 alcoves all is step shape; During fabrication; Can earlier these hard briquetting 22 machine-shapings be finished; Be positioned in the mould of soft keycap 21, during this soft keycap 21 of ejection formation, this hard briquetting 22 just can directly be coated and is incorporated on the corresponding soft keycap 21 again.
This circuit board 3 is positioned at this push-button unit 2 belows, comprises that a plurality of each conductive junction point group has first polar region 311 and second polar region 312 respectively to conductive junction point group 31 that should push-button unit 2, and this first and second polar region 311,312 is respectively the negative, positive utmost point.
This pressure receiving means 4 comprises respectively should push-button unit 2 and be installed in the positioning film 41 on this circuit board 3, and is positioned the electroconductive elastic sheet 42 of 3 of this positioning film 41 and this circuit boards.
This positioning film 41 is by these sheet 6 mutual bridge joints that are located by connecting, and in this preferred embodiment, this positioning film 41 is formed in one with this sheet 6 that is located by connecting, and material is plastics, for example PET (polyimide).This positioning film 41 is used for this electroconductive elastic sheet 42 location; Make that this electroconductive elastic sheet 42 is corresponding respectively to be positioned under the compacting salient point 222 of this push-button unit 2; In addition; This positioning film 41 is attached on this circuit board 3 with this sheet 6 that is located by connecting, and can protect this circuit board 3 to avoid this circuit board 3 exposed oxidations.
What further detail is; This lower casing 9 comprises a pair of projection 91; 3 pairs of this circuit boards should offer a pair of perforation 32 to projection 91; This 6 pairs of sheet that are located by connecting should offer a pair of location hole 61 to projection, passes the perforation 32 of this circuit board 3, the location hole 61 of the sheet 6 that is located by connecting from the bottom to top in regular turn by the projection 91 of this lower casing 9, and then with these be located by connecting sheet 6 and these circuit board 3 firm location.
This electroconductive elastic sheet 42 is attached on the corresponding positioning film 41; The upright operation of convenient group is with this conductive junction point group 31 on this circuit board 3 that aligns; And this electroconductive elastic sheet 31 is processed with the conductive material of elastically deformable; For example select for use materials such as stainless steel SUS304, copper to process, or plating conductive metallic film, carbon film on the non-conductive material with elastically deformable also can reach identical effect.
This light-emitting diode 7 is installed on this circuit board 3, and is arranged at 2 of this push-button units, and this soft keycap 2 is processed for the light-permeable material with keycap brace 5, makes integral light-transmitting via this soft keycap 2 with keycap brace 5 leaded lights.
Consult Fig. 3, Fig. 4 and Fig. 5, in this preferred embodiment, this first polar region 311 is circular, and this second polar region 312 is for laying respectively at the round point shape in the middle of corresponding first polar region 311, and this electroconductive elastic sheet 31 is for falling bowl shape and corresponding first polar region 311 of permanent contact.
Pushing this push-button unit 2 makes compacting salient point 222 compress corresponding pressure receiving means 4; Corresponding electroconductive elastic sheet 42 is extended and the concavity distortion; And then corresponding first and second polar region 311,312 turning circuits of conducting, loosen 2 corresponding electroconductive elastic sheets 42 of this push-button unit and reply to only contacting corresponding first polar region 311.Because these hard briquetting 42 hardness are higher, it is sensitive therefore to push stroke, and this hard briquetting 22 compress that corresponding electroconductive elastic sheet 42 produced to push feel more obvious.
Consult Fig. 6, after this soft keycap 21 also can be made moulding respectively with hard briquetting 22, will engage by modes such as glue each other again.
In sum, these hard briquetting 22 hardness are higher than this soft keycap 21, compress corresponding electroconductive elastic sheet 42 by this hard briquetting 22, can control more accurately and push stroke, and can experience and more significantly push feel, therefore can reach the object of the invention really.
The above is merely preferred embodiment of the present invention, can not limit the scope that the present invention implements with this, and promptly all simple equivalent of doing according to claim of the present invention and invention description change and modify, and all still belongs in the scope that patent of the present invention contains.
Claims (10)
1. the input unit that can improve contact sensitivity is characterized in that, comprises:
A plurality of push-button units comprise soft keycap respectively, and are located at the hard briquetting of this soft keycap bottom, and this hard briquetting hardness is higher than this soft keycap, and this hard briquetting has the compacting salient point of protrusion down respectively;
Circuit board, correspondence are positioned at this push-button unit below, comprise a plurality ofly respectively to conductive junction point group that should push-button unit, and each conductive junction point group has first polar region and second polar region; And
A plurality of pressure receiving means; Comprise respectively should push-button unit and be installed in the positioning film on this circuit board; And being positioned the electroconductive elastic sheet between this positioning film and this circuit board, this electroconductive elastic sheet perseverance contacts corresponding first polar region and processes for the elastically deformable material, pushes this push-button unit and makes the compacting salient point compress corresponding pressure receiving means; Corresponding electroconductive elastic sheet is out of shape and corresponding first and second polar region of conducting, loosens the then corresponding electroconductive elastic sheet of this push-button unit and reply to only contacting corresponding first polar region.
2. according to the described input unit that improves contact sensitivity of claim 1; It is characterized in that; This electroconductive elastic sheet is for bowl-shape, and first polar region of this conductive junction point group is circular, and this second polar region is to be positioned at the middle round point shape in corresponding first polar region; The compacting salient point of this push-button unit compresses corresponding electroconductive elastic sheet, makes corresponding electroconductive elastic sheet concavity to contacting corresponding second polar region.
3. according to the described input unit that improves contact sensitivity of claim 2, it is characterized in that this soft keycap has alcove respectively, this hard briquetting has correspondence more respectively and is placed in the anchor clamp portion in this alcove.
4. according to the described input unit that improves contact sensitivity of claim 3, it is characterized in that, more comprise the soft keycap bridge joint of this push-button unit all-in-one-piece keycap brace.
5. according to the described input unit that improves contact sensitivity of claim 4, it is characterized in that more comprise a plurality of light-emitting diodes that are installed on this circuit board, this soft keycap and keycap brace are processed for the light-permeable material.
6. according to the described input unit that improves contact sensitivity of claim 3, it is characterized in that, more comprise this pressure receiving means positioning film bridge joint all-in-one-piece sheet that is located by connecting.
7. according to the described input unit that improves contact sensitivity of claim 6, it is characterized in that this positioning film and this location link piece are that plastic material is processed.
8. according to the described input unit that improves contact sensitivity of claim 1, it is characterized in that this soft keycap is that to be selected from the group that is made up of rubber, silica gel made.
9. according to the described input unit that improves contact sensitivity of claim 8, it is characterized in that this hard briquetting is a plastic material.
10. according to the described input unit that improves contact sensitivity of claim 1, it is characterized in that more comprise the upper casing and the lower casing that define a room jointly, this push-button unit, circuit board and pressure receiving means are placed in this room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102669036A CN102376483A (en) | 2010-08-19 | 2010-08-19 | Input device capable of improving contact sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102669036A CN102376483A (en) | 2010-08-19 | 2010-08-19 | Input device capable of improving contact sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102376483A true CN102376483A (en) | 2012-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102669036A Pending CN102376483A (en) | 2010-08-19 | 2010-08-19 | Input device capable of improving contact sensitivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102376483A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097341A (en) * | 2015-06-23 | 2015-11-25 | 苏州达方电子有限公司 | Key structure and input device |
| CN106997816A (en) * | 2016-01-25 | 2017-08-01 | 旭荣电子(深圳)有限公司 | A kind of silicone band with keypress function |
| CN107408944A (en) * | 2015-03-12 | 2017-11-28 | 樱桃有限公司 | The method of the actuating state of the key module of keyboard key, the method for the key module of manufacture keyboard key and determination keyboard key |
| CN107706025A (en) * | 2017-08-25 | 2018-02-16 | 苏州达方电子有限公司 | Button and the keyboard comprising the button |
| CN117995586A (en) * | 2024-04-03 | 2024-05-07 | 石狮市星盛五金制品有限公司 | Mobile phone key with high durability and preparation process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128401A (en) * | 1994-08-10 | 1996-08-07 | 信越高分子材料株式会社 | Internally-illuminable push-button switch unit |
| JP2000251570A (en) * | 1999-02-26 | 2000-09-14 | Mitsumi Electric Co Ltd | Switch operating mechanism |
| US20030201983A1 (en) * | 2002-04-30 | 2003-10-30 | Tapani Jokinen | Keymat |
| JP2005332729A (en) * | 2004-05-21 | 2005-12-02 | Sunarrow Ltd | Switch pressing projection member |
| US7196282B2 (en) * | 2004-10-20 | 2007-03-27 | Matsushita Electric Industrial Co., Ltd. | Movable contact unit arrangement including a movable contact unit and a magnetic sensor |
-
2010
- 2010-08-19 CN CN2010102669036A patent/CN102376483A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128401A (en) * | 1994-08-10 | 1996-08-07 | 信越高分子材料株式会社 | Internally-illuminable push-button switch unit |
| JP2000251570A (en) * | 1999-02-26 | 2000-09-14 | Mitsumi Electric Co Ltd | Switch operating mechanism |
| US20030201983A1 (en) * | 2002-04-30 | 2003-10-30 | Tapani Jokinen | Keymat |
| JP2005332729A (en) * | 2004-05-21 | 2005-12-02 | Sunarrow Ltd | Switch pressing projection member |
| US7196282B2 (en) * | 2004-10-20 | 2007-03-27 | Matsushita Electric Industrial Co., Ltd. | Movable contact unit arrangement including a movable contact unit and a magnetic sensor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107408944A (en) * | 2015-03-12 | 2017-11-28 | 樱桃有限公司 | The method of the actuating state of the key module of keyboard key, the method for the key module of manufacture keyboard key and determination keyboard key |
| CN105097341A (en) * | 2015-06-23 | 2015-11-25 | 苏州达方电子有限公司 | Key structure and input device |
| CN106997816A (en) * | 2016-01-25 | 2017-08-01 | 旭荣电子(深圳)有限公司 | A kind of silicone band with keypress function |
| CN107706025A (en) * | 2017-08-25 | 2018-02-16 | 苏州达方电子有限公司 | Button and the keyboard comprising the button |
| CN117995586A (en) * | 2024-04-03 | 2024-05-07 | 石狮市星盛五金制品有限公司 | Mobile phone key with high durability and preparation process |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |