CN203521256U - Button switch - Google Patents
Button switch Download PDFInfo
- Publication number
- CN203521256U CN203521256U CN201320323955.1U CN201320323955U CN203521256U CN 203521256 U CN203521256 U CN 203521256U CN 201320323955 U CN201320323955 U CN 201320323955U CN 203521256 U CN203521256 U CN 203521256U
- Authority
- CN
- China
- Prior art keywords
- button switch
- movable contact
- push
- pressing body
- screening glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model provides a button switch, wherein pressing pieces of different thicknesses can be easily replaced. The button switch (100) comprises a movable contact part (1), a base station (2) with a fixed contact part (3) in contact with the movable contact part (1), a protective sheet (4) adhered onto the base station (2) and used for covering the movable contact part (1), and a pressing piece (5) positioned corresponding to the movable contact part (1) and cladded onto the protective sheet (4). A laser cladded part (5a) cladded onto the protective sheet (4) and a light-transmissive transmission part (5b) are stacked up to form the pressing piece (5). In this way, the thickness dimension of the pressing piece (5) can be changed only through changing the thickness dimension of the transmission part (5b). Therefore, even if the thickness dimension of the pressing piece (5) is changed, the light irradiation condition for the cladding operation is free from being changed every time.
Description
Technical field
The utility model relates to pressing body and the integrated push-button switch of screening glass, even if particularly also good push-button switch of the varied in thickness of pressing body and productivity ratio.
Background technology
Nowadays, be used as having pressing body and the integrated switch of screening glass in the push-button switch of console switch of electronic equipment, described pressing body is pressed by the control member of electronic unit that installed.Such push-button switch is required that the thickness that changes pressing body according to installed electronic equipment tackles.
As such push-button switch in the past, the known push-button switch that has following patent documentation 1 to record.Below, the push-button switch that uses Fig. 7 to record patent documentation 1 describes.Fig. 7 means the cutaway view of the structure of the push-button switch 900 in patent documentation 1.The push-button switch 900 that patent documentation 1 is recorded has: sheet element 910; Ratchet spring 940, remains on the one side side of sheet element 910; And pressing force transmission member 920, being arranged on another side opposed with ratchet spring 940, sheet element 910, the pressing force of subtend ratchet spring 940 transmits.With synthetic resin material that can be mutually deposited, form sheet element 910 and pressing force transmission member 920, by to the overlapping portion P irradiating laser of sheet element 910 and pressing force transmission member 920 or apply ultrasonic wave, make overlapping portion P deposited and sheet element 910 and pressing force transmission member 920 is fixing.
Look-ahead technique document
Patent documentation
Patent documentation 1: TOHKEMY 2006-344511 communique
Utility model content
The problem that utility model will solve
The push-button switch 900 that patent documentation 1 is recorded changes thickness by preparing the different pressing force transmission member 920 of multi-thickness, thereby can switch to the height that is suitable for installed electronic equipment most.Yet, if change as requested the thickness of pressing force transmission member 920, the regenerative capacity of pressing force transmission member 920 can change, thereby need to adjust accordingly the intensity of laser etc. or irradiation time etc. with the thickness of pressing force transmission member 920, thereby is difficult to boost productivity.
The utility model is in order to solve above-mentioned problem, even if provide the varied in thickness of the such pressing body of a kind of pressing force transmission member 920 and also good push-button switch of productivity ratio.
For solving the means of problem
Push-button switch described in technical scheme 1 is characterised in that to possess: movable contact member; Base station, has the fixed contact portion contacting with this movable contact member; Screening glass, is glued to described base station, covers described movable contact member; And pressing body, deposited in described screening glass; By the deposited melt-coating part in described screening glass and make that light transmissive transmissive portions is stacked forms described pressing body by light.
Push-button switch described in technical scheme 2 is characterised in that, described melt-coating part is dark-coloured, and transmissive portions is transparent or translucent.
Push-button switch described in technical scheme 3 is characterised in that, described pressing body forms by the material consisting of polyether-ether-ketone.
Push-button switch described in technical scheme 4 is characterised in that, described screening glass, on the face of a side relative to described movable contact member, is formed with the adhesive linkage that described screening glass is pasted on to described base station; Between the adhesive linkage and described movable contact member of described screening glass, at least a portion at the position corresponding with described movable contact member is equipped with covers member.
The effect of utility model
According to the utility model of technical scheme 1, by by the irradiation of light by deposited melt-coating part with make the stacked pressing body that forms of light transmissive transmissive portions, thereby can make by laser etc. and be fixed by the thickness of deposited melt-coating part, and can adjust as requested the thickness of transmissive portions.Thus, even if change the thickness of pressing body, the thickness of melt-coating part can not change yet, therefore, the regenerative capacity of pressing body can not change, and does not need to change the illuminate condition of laser.Therefore, even the thickness of pressing body is had to multiple requirement, do not need to adjust the illuminate condition of laser at every turn yet, even if obtained, can provide the varied in thickness of pressing body and the yet effect of good push-button switch of productivity ratio.
According to the utility model of technical scheme 2, by the color of melt-coating part is made as to black or dead color, make easily to absorb efficiently heat, and transparent or translucent by the color of transmissive portions is made as, light is transmitted and the difficult heat that absorbs.Therefore, even if further make the varied in thickness of pressing body, the regenerative capacity of pressing body is also difficult for change, more do not need to adjust the illuminate condition of laser, so, even if obtained, can provide the varied in thickness of pressing body and the also effect of good push-button switch of productivity ratio.
According to the utility model of technical scheme 3, by forming pressing body by the good polyether-ether-ketone of thermal endurance, not yielding in the situation that of making in being configured in hot environment yet.Therefore, even if obtained the effect that the push-button switch that the hot environments such as reflow soldering also can tackle can be provided.
According to the utility model of technical scheme 4, by between screening glass and movable contact member, set and cover member with position corresponding to movable contact member, make movable contact member be difficult for adhering on screening glass.If screening glass and movable contact member are bonding, screening glass and movable contact member can hinder mutual action, and the operator of push-button switch feels to block sense etc. sometimes, sensation operation feeling variation.By making screening glass be difficult for adhering on movable contact member, obtained the effect that the push-button switch that operation feeling is good without blocking sense can be provided.
As previously discussed, according to the utility model, by by the irradiation of light by deposited melt-coating part and make the stacked pressing body that forms of light transmissive transmissive portions, thus, the thickness of melt-coating part is fixed, can adjust as requested the thickness of transmissive portions.Thus, even if the varied in thickness of pressing body and the regenerative capacity of melt-coating part is also constant, so, do not need to adjust according to the thickness of pressing body the illuminate condition of laser etc., even if can provide the varied in thickness of pressing body and yet good push-button switch of productivity ratio at every turn.
Accompanying drawing explanation
Fig. 1 (a)~(b) mean the figure of the outward appearance of the push-button switch 100 in the first execution mode, Fig. 1 (a) means the stereogram of the outward appearance of push-button switch 100, Fig. 1 (b) means the vertical view of the outward appearance of push-button switch 100.
Fig. 2 means the exploded perspective view of the structure of the push-button switch 100 in the first execution mode.
Fig. 3 means the cutaway view that has carried out the pressing body 5 of cut-out with the cross section I-I shown in Fig. 1 (b).
Fig. 4 (a)~(b) mean and with the cross section I-I shown in Fig. 1 (b), push-button switch 100 has been carried out the cutaway view of the state of cut-out, Fig. 4 (a) means the cutaway view of the push-button switch 100 under initial condition, and Fig. 4 (b) means the cutaway view of the push-button switch 100 of the state after pressing operation that is subject to.
The cutaway view of the pressing body 5 that it is t3 that Fig. 5 means with the gauge that the cross section I-I shown in Fig. 1 (b) has carried out cutting off.
Fig. 6 means covering the exploded perspective view of the shape of member 6 and the structure of the push-button switch 100 that the variform situation in Fig. 2 has been carried out expression
Fig. 7 means the cutaway view of the structure of the push-button switch 900 in patent documentation 1.
Embodiment
[ the first execution mode ]
Below, the push-button switch 100 in the first execution mode is described.First, use Fig. 1 to Fig. 3 to describe the structure of the push-button switch 100 in present embodiment.Fig. 1 means the figure of the outward appearance of the push-button switch 100 in the first execution mode, and Fig. 1 (a) means the stereogram of the outward appearance of push-button switch 100, and Fig. 1 (b) means the vertical view of the outward appearance of push-button switch 100.Fig. 2 means the exploded perspective view of the structure of the push-button switch 100 in the first execution mode.Fig. 3 has carried out the cutaway view of the state of cut-out to pressing body 5 with the cross section I-I shown in Fig. 1 (b).
Push-button switch 100 has outward appearance as shown in Figure 1, as shown in Figure 2, possesses: movable contact member 1; Base station 2, has the fixed contact portion 3 contacting with movable contact member 1; Screening glass 4, is pasted on base station 2, and movable contact member 1 is covered; Pressing body 5, deposited in screening glass 4; Lid member 6, prevents the excessively bonding of movable contact member 1 and screening glass 4.
Fixed contact portion 3 consists of the metallic plate with conductivity, makes a part expose and form as one with base station 2 from the inner bottom surface of the resettlement section 2a of base station 2.In addition, fixed contact portion 3 comprises: the first 3a of fixed contact portion, is formed at the central portion of the inner bottom surface of resettlement section 2a; With the second 3b of fixed contact portion, be formed on the first 3a of fixed contact portion of the inner bottom surface that clips resettlement section 2a and opposed position.In addition, in the present embodiment, the second 3b of fixed contact portion is formed on and is positioned at parallel with X1-X2 direction and passes near excircle end on the virtual line of the first 3a of fixed contact portion, resettlement section 2a.In addition, the first 3a of fixed contact portion is not electrically connected to the second 3b of fixed contact portion.In addition, the first 3a of fixed contact portion is electrically connected to the first 3c of splicing ear portion, and the second 3b of fixed contact portion is also electrically connected to the second 3d of splicing ear portion.
Pressing body 5 consists of synthetic resin material, is formed roughly cylindric.As shown in Figure 3, pressing body 5 is by melt-coating part 5a that can be deposited by light and makes stacked formation of light transmissive transmissive portions 5b, in the present embodiment, by by polyether-ether-ketone (Polyetheretherketone, below being denoted as PEEK) material that forms forms, and melt-coating part 5a is painted to black or dead color, transmissive portions 5b is transparent or translucent.
In addition, pressing body 5 and screening glass 4 have been described respectively individually, but in fact pressing body 5 and screening glass 4 are states that form as one and being used.As shown in Figure 3, at the face with adhesive linkage 4a of screening glass 4, be the central portion at the back side, that is, the position corresponding with moving contact 1 when screening glass 4 is pasted on base station 2, the mode contacting with screening glass 4 with melt-coating part 5a disposes pressing body 5.Be configured in pressing body 5 on screening glass 4 as shown in the arrow L of Fig. 3, laser is irradiated to melt-coating part 5a from Z2 direction via screening glass 4.The melt-coating part 5a of illuminated laser is owing to being painted to black or dead color, so not transmission of laser.Therefore, the heat of melt-coating part 5a by laser and melting, shown in Fig. 3 by near the A portion of dotted line by deposited, thereby pressing body 5 and screening glass 4 form as one.
Then, use Fig. 4 to describe the structure of push-button switch 100.Fig. 4 means and with the cross section I-I shown in Fig. 1 (b), push-button switch 100 has been carried out the cutaway view of the state of cut-out, Fig. 4 (a) means the cutaway view of the push-button switch 100 under initial condition, and Fig. 4 (b) means the cutaway view of the push-button switch 100 of the state after pressing operation that is subject to.
Then, use Fig. 4 to describe the action of push-button switch 100.Be not subject to push-button switch 100 under the initial condition of pressing operation as shown in Figure 4 (a), the first 3a of fixed contact portion and the second 3b of fixed contact portion are not electrically connected.Next; if like that the pressing body 5 of push-button switch 100 has been carried out pressing operation by the pressing member OP of the structure member such as electronic equipment etc. to Z2 direction as shown in Figure 4 (b), pressing body 5 is pressed movable contact member 1 via screening glass 4 and lid member 6 to Z2 direction.The 1a of the portion of heaving of the movable contact member 1 of having been pressed to Z2 direction reverses to the backward Z2 direction of Z2 direction deflection, contacts with the first 3a of fixed contact portion.By movable contact member 1, contact with the first 3a of fixed contact portion, thereby be electrically connected between the first 3a of fixed contact portion and the second 3b of fixed contact portion.In addition, if by the releasing of pressing to pressing body 5, push-button switch 100 resets into the initial condition shown in Fig. 4 (a), between the first 3a of fixed contact portion and the second 3b of fixed contact portion, is no longer electrically connected to.By like this status of electrically connecting between the first 3a of fixed contact portion and the second 3b of fixed contact portion being switched, via the first 3c of splicing ear portion and the second 3d of splicing ear portion, to outside, export, thus, as push-button switch performance function.
Below, the effect of present embodiment is described.
In the push-button switch 100 of present embodiment, have: movable contact member 1; Base station 2, has the fixed contact portion 3 contacting with movable contact member 1; Screening glass 4, is pasted on base station 2 and covers movable contact member 1; And pressing body 5, deposited in screening glass 4; By by light by deposited melt-coating part 5a with make the stacked pressing body 5 that forms of light transmissive transmissive portions 5b.
Thus, by be configured to by by the irradiation of light by deposited melt-coating part 5a with make the stacked pressing body 5 that forms of light transmissive transmissive portions 5b, thereby as shown in Figure 3, the gauge t0 of pressing body 5 becomes the value after the gauge t2 of the gauge t1 of melt-coating part 5a and transmissive portions 5b is added.When changing gauge t0 according to various requirement, in the prior art, the member that is equivalent to pressing body 5 is only by forming with the same material of melt-coating part 5a, so also can change if gauge changes regenerative capacity.Therefore, if not all change the illuminate condition of laser at every turn, can produce be equivalent to pressing body 5 not melting of member and cannot be deposited or excessive melting and the undesirable conditions such as perforate.By being made as the structure of present embodiment, when changing the gauge t0 of pressing body 5, by being made as necessarily by the gauge t1 of deposited melt-coating part 5a by laser etc., can adjust as requested the gauge t2 of transmissive portions 5b.For example, use Fig. 3 and Fig. 5 to describe forming the situation of 2 times of gauge t3 of the gauge t0 of the pressing body 5 shown in Fig. 3.The cutaway view of the pressing body 5 that it is t3 that Fig. 5 means with the gauge that the cross section I-I shown in Fig. 1 (b) has carried out cutting off.In Fig. 3, with the gauge t1 of melt-coating part 5a and the almost identical gauge of the gauge t2 of transmissive portions 5b, illustrate.As shown in Figure 5, when the gauge t0 of pressing body 5 being formed to 2 times of gauge t3 of gauge t0 of the pressing body 5 in Fig. 3, the gauge t1 of melt-coating part 5a does not change for the state of Fig. 3, by the gauge t2 of the transmissive portions 5b in Fig. 3 is made as, becomes the gauge of its thickness of 3 times t4 and can tackle.Thus, even if change the thickness of pressing body 5, by laser etc., by the regenerative capacity of deposited melt-coating part 5a, also can not be changed, therefore, not need to change the illuminate condition of laser.Therefore, even if obtained, can provide the varied in thickness of pressing body and the also effect of good push-button switch of productivity ratio.
In addition, in the push-button switch 100 of present embodiment, melt-coating part 5a is black or dead color, and transmissive portions 5b is transparent or translucent.
Thus, by the color of melt-coating part 5a is made as to black or dead color, make easily to absorb efficiently heat, and, transparent or translucent by the color of transmissive portions 5b is made as, light is transmitted and the difficult heat that absorbs.Thus, can prevent from reliably changing because of the gauge t2 of transmissive portions 5b the regenerative capacity change that causes pressing body 5.Therefore, even if further make the varied in thickness of pressing body, the regenerative capacity of pressing body is also not easy change, thereby more do not need to adjust the illuminate condition of laser, therefore, even if obtained, can provide the varied in thickness of pressing body and the yet effect of good push-button switch of productivity ratio.
In addition,, in the push-button switch 100 of present embodiment, pressing body 5 forms by the material consisting of PEEK.
Thus, by forming pressing body 5 by the good PEEK of thermal endurance, even make to be placed in the situation in hot environment also not yielding.Even if obtained the effect that the push-button switch that the hot environments such as reflow soldering also can tackle can be provided.
In addition; in the push-button switch 100 of present embodiment; screening glass 4 is formed with the adhesive linkage 4a that screening glass 4 is affixed to base station 2 on the face with the opposed side of movable contact member 1; between the adhesive linkage 4a and movable contact member 1 of screening glass 4, at least a portion at the position corresponding with movable contact member 1 sets covers member 6.
Thus, by between screening glass 4 and movable contact member 1, set and cover member 6 with position corresponding to movable contact member 1, thereby make movable contact member 1 be difficult for adhering on screening glass 4.If screening glass 4 is bonding with movable contact member 1, screening glass 4 and movable contact member 1 can hinder mutual action, and the operator of push-button switch feels sometimes and blocks sense etc., sensation operation feeling variation.By making screening glass 4 be difficult for adhering on movable contact member 1, obtained the effect that the push-button switch that operation feeling is good without blocking sense can be provided.
In addition, in the present embodiment, when the Z1 direction from Fig. 2 is overlooked, lid member 6 forms the shape almost identical with movable contact member 1 and almost identical size.Thus, can prevent reliably that movable contact member 1 and screening glass 4 are bonding.Therefore, obtained the effect of the better push-button switch of operation feeling without blocking sense can be provided.
In addition,, in the push-button switch 100 of present embodiment, use the PEEK of same material to form screening glass 4, pressing body 5 and lid member 6.Thus, at push-button switch 100, be configured in the high temperature environment such as reflow soldering operation and screening glass 4, pressing body 5 and lid member 6 respectively thermal expansions in the situation that, because thermal coefficient of expansion is identical, so there is not the extremely different member of expansion fashion.Thus, be difficult for to produce because of the concentrated position of thermal expansion stress, become and be difficult for producing the structure of concentrating cause damaged or peeling off etc. by stress.Therefore, obtained and can provide and can fetch the effect of the push-button switch of reply reliably by Reflow Soldering.
Specifically understand as described above the push-button switch of execution mode of the present utility model, still, this practicality is newly not limited to above-mentioned execution mode, can carry out various changes and implement in the scope that does not depart from aim.For example, can as following, be out of shape to implement, these execution modes also belong to technical scope of the present utility model.
(1) in present embodiment, be configured to, base station 2 consists of synthetic resin material, possesses fixed contact portion 3, forms roughly rectangular shape, but also can be configured to, and base station 2 possesses fixed contact portion 3, forms tabular.For example; also can be configured to; base station 2 is made as to tellite; on tellite, by pattern wiring, fixed contact portion 3 is set; on the tellite corresponding with fixed contact portion 3, set movable contact member 1, movable contact member 1 is remained on tellite in the mode by covering with pressing body 5 and the screening glass 4 that forms as one of lid member 6.
(2) in present embodiment, be configured to; with the PEEK of same material, form screening glass 4, pressing body 5 and lid member 6; but, in the situation that use with the purposes not being configured in the high temperature environment such as reflow soldering operation, also can by different materials, be formed respectively.For example, also can be set as and low-cost material lower than PEEK thermal endurance and realize cost degradation etc.
(3) in present embodiment, be configured to, lid member 6 is made to the size almost identical with movable contact member 1, but also can be configured to, can not hinder the degree of the mutual action of covering member 6 and movable contact member 1, a part for lid member 6 is removed, so that it is bonding to utilize a part to carry out.Fig. 6 means the exploded perspective view to the lid shape of member 6 and the structure of the push-button switch 100 that the variform situation in Fig. 2 represents; for example be configured to as shown in Figure 6; central portion at lid member 6 arranges peristome X, and a part of the 1a of the portion of heaving of movable contact member 1 is adhered on screening glass 4.
Description of reference numerals
1, movable contact member
1a, heave portion
2, base station
2a, resettlement section
3, fixed contact portion
3a, the first fixed contact portion
3b, the second fixed contact portion
3c, the first splicing ear portion
3d, the second splicing ear portion
4, screening glass
4a, adhesive linkage
5, pressing body
5a, melt-coating part
5b, transmissive portions
6, lid member
100, push-button switch.
Claims (4)
1. a push-button switch, is characterized in that, possesses:
Movable contact member;
Base station, has the fixed contact portion contacting with this movable contact member;
Screening glass, is glued to described base station, covers described movable contact member; And
Pressing body, in the position corresponding with described movable contact member, deposited in described screening glass;
By the deposited melt-coating part in described screening glass and make that light transmissive transmissive portions is stacked forms described pressing body by light.
2. push-button switch as claimed in claim 1, is characterized in that,
Described melt-coating part is dark-coloured, and transmissive portions is transparent or translucent.
3. push-button switch as claimed in claim 1 or 2, is characterized in that,
Described pressing body forms by the material consisting of polyether-ether-ketone.
4. push-button switch as claimed in claim 1, is characterized in that,
Described screening glass is formed with the adhesive linkage that described screening glass is pasted on to described base station on the face of a side relative to described movable contact member;
Between the adhesive linkage and described movable contact member of described screening glass, at least a portion at the position corresponding with described movable contact member is equipped with covers member.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-004213 | 2012-02-28 | ||
JP2012004213U JP3178598U (en) | 2012-07-11 | 2012-07-11 | Push button switch |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203521256U true CN203521256U (en) | 2014-04-02 |
Family
ID=48005330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320323955.1U Expired - Fee Related CN203521256U (en) | 2012-07-11 | 2013-06-06 | Button switch |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3178598U (en) |
CN (1) | CN203521256U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105470022A (en) * | 2014-09-26 | 2016-04-06 | 阿尔卑斯电气株式会社 | Press switch |
CN108346539A (en) * | 2017-01-23 | 2018-07-31 | 秀育企业股份有限公司 | Slight keyboard with pressing paragraph sense |
-
2012
- 2012-07-11 JP JP2012004213U patent/JP3178598U/en not_active Expired - Lifetime
-
2013
- 2013-06-06 CN CN201320323955.1U patent/CN203521256U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105470022A (en) * | 2014-09-26 | 2016-04-06 | 阿尔卑斯电气株式会社 | Press switch |
CN108346539A (en) * | 2017-01-23 | 2018-07-31 | 秀育企业股份有限公司 | Slight keyboard with pressing paragraph sense |
Also Published As
Publication number | Publication date |
---|---|
JP3178598U (en) | 2012-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3151553B2 (en) | Key top plate and manufacturing method thereof | |
CN102549639B (en) | The translucent carrier element of display panel and manufacture display element | |
CN101546667A (en) | Key switch sheet and key switch module | |
EP1199736A1 (en) | Membrane switch | |
FR2511941A1 (en) | MODULAR, WATERPROOF, TOUCH-EFFECT KEYBOARD | |
CN203521256U (en) | Button switch | |
CN108365079A (en) | Electronic products with lighting function and its manufacturing method | |
JP2013004515A (en) | Thin film circuit board and light-emitting keyboard used for thin film circuit board | |
TW200901743A (en) | Button device of electronic goods using ink printing and side LED emitting and method therefor | |
CN1420511B (en) | Moving contact, panel switch using same and electronic apparatus provided with said panel switch | |
WO2018059289A1 (en) | Key | |
JP2008181791A (en) | Movable contact unit for switch, and switch device using the same | |
JP4398711B2 (en) | Illuminated keypad and illumination structure | |
JP2008186674A (en) | Switching movable contact unit, and switch device using it | |
CN208285527U (en) | Intelligent sound box | |
JP4111607B2 (en) | Illuminated pushbutton switch | |
JP3197626U (en) | Backlit key module | |
CN103729085A (en) | Touch panel sheet | |
AU3109195A (en) | Support for computer mouse | |
CN201654689U (en) | Assembly structure of light guide film keyboard | |
JP2000182461A (en) | Manufacture of key top plate | |
JP2009237453A (en) | Key structure | |
TWI381290B (en) | Improved keyboard structure | |
CN219286268U (en) | Keyboard and electronic equipment | |
CN206806215U (en) | Button and mobile terminal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: ALPS ELECTRIC Co.,Ltd. Address before: Tokyo, Japan Patentee before: Alps Electric Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |