CN203983099U - Key switch - Google Patents
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- CN203983099U CN203983099U CN201420204126.6U CN201420204126U CN203983099U CN 203983099 U CN203983099 U CN 203983099U CN 201420204126 U CN201420204126 U CN 201420204126U CN 203983099 U CN203983099 U CN 203983099U
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- pressed
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- key switch
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- fixed contact
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Abstract
A kind of key switch, remains on certain position by the retaining member of switch, prevents the position deviation of the portion that is pressed into.It has: substrate; There is the sheet that is adhesively fixed of through hole, its bonded upper surface that is fixed on substrate; Be configured in the switch portion in the through hole of the sheet that is adhesively fixed, have: the first fixed contact of the bonded upper surface that is fixed on substrate; Bonded the second fixed contact that is fixed on the upper surface of substrate and is positioned at the surrounding of the first fixed contact; And thering is the flexure member of the concave surface relative with the first fixed contact, its end contacts with the upper surface of the second fixed contact; And being pressed into bag sheet in portion, the upper surface of its overlay switch portion, carries out interior bag to the portion of being pressed into that presses down switch portion, is pressed into bag sheet in portion and has: keep first of the portion that is pressed into keep film from top; Keep second of the portion that is pressed into keep film from below; And be configured between the two by adhesive layer and the two portion that is pressed into bonding and fixed position.
Description
Technical field
The utility model relates to a kind of key switch.
Background technology
Key switch is widely used as the push-button switch of acoustics or the communication equipment etc. of portable electronic equipment or communication equipment and vehicle mounted.Portable electronic equipment or communication equipment comprise mobile phone, smart mobile phone, digital camera and personal computer.The acoustics of vehicle mounted or communication equipment comprise audio system or auto-navigation system.
For example, disclosed key switch as described below as prior art.
Disclosed a kind of there is lamination substrate, pad and cover plate laminar structure and reinforce the side compression type push-button switch of the metal material of this laminar structure.Again, as the prior art of patent documentation 1, disclose a kind of button and there is protuberance, the structure (patent documentation 1) that protuberance presses down contact spring.Disclosed a kind of summit at dome-type armature contact spring above there is the key switch of supporting sheet, described supporting sheet has the upper ledge portion of the upper surface that is formed on supporting sheet and is formed on the lower protrusion portion (patent documentation 2) of the lower surface of supporting sheet.Disclosed a kind of be formed at sheet element concavity filling part potting resin piece and become the key switch with sheet element (patent documentation 3) of jut.Disclosed a kind of key switch with sheet material, described sheet material is at a face holding contact spring of sheet material, and multiple grooves (patent documentation 4) of intersection are set at the opposing face of the opposition side that is positioned at a face of sheet material.
Prior art document
Patent documentation
Patent documentation 1 TOHKEMY 2004-79220 communique
Patent documentation 2 TOHKEMY 2011-100549 communiques
Patent documentation 3 TOHKEMY 2010-257600 communiques
Patent documentation 4 TOHKEMY 2012-234630 communiques
Utility model content
The problem that utility model will solve
The key switch disclosing with reference to above-mentioned patent documentation 1-patent documentation 4, problem to be solved in the utility model is that the portion of being pressed into of switch is remained on to certain position, prevents the position deviation of the portion that is pressed into.
For the means of dealing with problems
In order to reach above-mentioned problem, the related key switch of the utility model has following characteristics.
A kind of key switch, described key switch is characterised in that to have:
Substrate 10;
The sheet 16 that is adhesively fixed, described in the sheet 16 that is adhesively fixed there is through hole 17, described in the bonded upper surface 10a that is fixed on described substrate 10 of sheet 16 that is adhesively fixed;
The switch portion 23 being adhesively fixed described in being configured in the through hole 17 of sheet 16, described switch portion 23 has: the first fixed contact 12, the bonded upper surface 10a that is fixed on described substrate 10 of described the first fixed contact 12; The second fixed contact 14, described the second fixed contact 14 is bonded to be fixed on the upper surface 10a of described substrate 10 and to be positioned at described the first fixed contact 12 around; And thering is the flexure member 20 of the concave surface 20b relative with described the first fixed contact 12, the end 20c of described flexure member 20 contacts with the upper surface of described the second fixed contact; And
Be pressed into bag sheet 30 in portion, the described bag sheet 30 that is pressed in portion is the upper surfaces that cover described switch portion 23, carry out being pressed into of interior bag and in portion, wrap sheet 30 pressing down the portion that is pressed into 43 of described switch portion 23, described in be pressed into bag sheet 30 in portion and have: described in keeping from top, be pressed into first of portion 43 and keep film 30a; Described in keeping from below, be pressed into second of portion 43 and keep film 30b; And described in be pressed into portion 43, described in be pressed into portion 43 and be configured in described first and keep film 30a and second to keep between film 30b, keep film 30a and described second to keep the bonding and fixed position of film 30b by adhesive layer 60 and described first.
According to this structure, the portion that is pressed into 43 that the flexure member 20 of switch portion 23 is pressed down is fixed on wraps in sheet 30 in the portion of being pressed into and remains on certain position.Its result, can prevent the position deviation of the portion that is pressed into 43.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.A kind of key switch, it is characterized in that: the opposition side of the concave surface 20b of flexure member 20 is convex surface 20a, be pressed into portion 43 and there is the first member 42 and circular and smooth second component 40, described the first member 42 has the protuberance 42b that is positioned at the position relative with the convex surface 20a of described flexure member 20, and described second component 40 is bonding with the smooth upper surface 42a of the first member 42 of opposition side that is positioned at described protuberance 42b.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.Described key switch is characterised in that, the end that is pressed into bag sheet 30 in portion is adhesively fixed in the upper surface 16a of the sheet 16 that is adhesively fixed.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.Described key switch is characterised in that, is pressed into the bag end of sheet 30 in portion and contact also bonded fixing with the frame shape upper surface 16a of the surrounding of the through hole 17 along the described sheet 16 that is adhesively fixed.Adopt this structure, just can be pressed in encirclement the periphery of portion 43, will be pressed into the upper surface 16a that wraps sheet 30 in portion and be fixed on firmly the sheet 16 that is adhesively fixed.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.Key switch is characterised in that, the protuberance 42b that is pressed into the first member 42 of portion 43 is hemisphere.According to this structure, due to by finger or when button pressed downwards key switch, the summit of hemispheric protuberance 42b presses down flexure member 20, therefore for finger brings the feel pressing down that degree is suitable.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.Key switch is characterised in that, the diameter of circular upper surface 42a that is pressed into the first member 42 of portion 43 is less than the diameter of the circular lower surface of second component 40, and described the first member 42 and described second component 40 are embedded in described adhesive layer 60.
The power pressing down from top is passed to the first member 42 by second component 40.This power pressing down is passed to switch portion 23 by the first member 42.Therefore, contact with the smooth circular upper surface 42a of the first member 42 and the diameter of the circular lower surface 40b of bonding second component 40 preferably large than the diameter of the circular upper surface 42a of the first member 42.
Again, according to this structure, even cause the first member 42 or second component 40 breakages of the portion that is pressed into 43 owing to impacting to wait, damaged fragment from be pressed in portion, wrap possibility that sheet 30 drops out also can be suppressed must be very low.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.Key switch is characterised in that, second keeps film 30b less than the profile of the first maintenance film 30a.
The second execution mode of the related key switch of the utility model has disclosed following feature.Key switch is characterised in that, second keeps film 30b to cover the be adhesively fixed through hole 17 of sheet 16 the upper surface 16a of the sheet 16 that is adhesively fixed described in extending to.
The first execution mode and second execution mode of the related key switch of the utility model have disclosed following feature.Key switch is characterised in that, substrate has the first electrode being electrically connected with the first fixed contact, and the second electrode being electrically connected with the second fixed contact, if press down being pressed into portion 43 from the top of the first maintenance film 30a, the concave surface 20b of flexure member 20 is bending and contact also conducting with described the first fixed contact.
The 3rd execution mode of the related key switch of the utility model has disclosed following feature.Key switch is characterised in that also have the button 62 of the top that is configured in the portion of being pressed into.
The effect of utility model
In the structure disclosing at execution mode of the present utility model, the portion of being pressed into of key switch is fixed in the portion of being pressed into and wraps in sheet, and is maintained at certain position.Its result, can prevent the position deviation of the portion that is pressed into.Again, as long as can prevent the position deviation of the portion that is pressed into, with under finger while compressing switch, just for finger brings the feel pressing down that degree is suitable.
Brief description of the drawings
Fig. 1 is the stereogram of the related key switch of the first execution mode of the present utility model.
Fig. 2 A is the vertical view of the key switch shown in Fig. 1.
Fig. 2 B is the upward view of the key switch shown in Fig. 1.
Fig. 3 is the A-A ' profile of the key switch shown in Fig. 1.
Fig. 4 is the exploded perspective view of the key switch shown in Fig. 1.
Fig. 5 is the exploded perspective view that is pressed into bag sheet 30 in portion of the key switch shown in Fig. 1.
Fig. 6 is the stereogram of the related key switch of the second execution mode of the present utility model.
Fig. 7 is the B-B ' profile of the key switch shown in Fig. 6.
Fig. 8 A is the schematic diagram of portable communication equipment.
Fig. 8 B is the key diagram that is disposed at key switch side, that execution mode of the present utility model is related of the communication equipment shown in Fig. 8 A.
Embodiment
(the first execution mode)
Fig. 1-Fig. 5 is the related accompanying drawing of the first execution mode of the present utility model.Fig. 1 illustrates the stereogram of the related key switch of the first execution mode of the present utility model.Fig. 2 A is the vertical view of the key switch 1 shown in Fig. 1.Fig. 2 B shows the upward view of the key switch 1 shown in Fig. 1.Fig. 3 shows the A-A ' profile of the key switch 1 shown in Fig. 1.Fig. 4 shows the exploded perspective view of the key switch shown in Fig. 1.Fig. 5 the exploded perspective view that is pressed in portion bag sheet 30 of the key switch shown in Fig. 1 is shown.
Key switch 1 of the present utility model has: substrate 10; The sheet 16 that is adhesively fixed, it has through hole 17, and the bonded upper surface 10a that is fixed on substrate 10; And switch portion 23, it is configured in the through hole 17 of the sheet 16 that is adhesively fixed.Switch portion 23 has: the first fixed contact 12 that is configured in the upper surface 10a of substrate 10; Be configured in the upper surface 10a of substrate 10 and be positioned at the first fixed contact 12 the second fixed contact 14 around; And thering is the flexure member 20 of the concave surface 20b relative with the first fixed contact 12, the end 20c of described flexure member 20 contacts with the upper surface of described the second fixed contact.
Further, key switch 1 has in the portion of being pressed into bag sheet 30, described in be pressed into the upper surface that wraps sheet 30 overlay switch portions 23 portion in, the portion that is pressed into 43 that presses down switch portion 23 from top is carried out to interior bag.Being pressed into bag sheet 30 in portion comprises: keep being pressed into first of portion 43 from top and keep film 30a; Keep being pressed into second of portion 43 from below and keep film 30b; And be pressed into portion 43, described in be pressed into portion 43 and be configured in described first and keep film 30a and second to keep between film 30b, keep film 30a and the second maintenance film 30b is bonding and fixed position by adhesive layer 60 and first.According to this structure, the portion that is pressed into 43 that switch portion 23 is pressed down is fixed on wraps in sheet 30 in the portion of being pressed into and remains on certain position.As its result, can prevent the position deviation of the portion that is pressed into 43.
Fig. 2 B shows the lower surface of the key switch 1 shown in Fig. 1.Dispose the first fixed contact 12 of switch portion 23 at the upper surface 10a of substrate 10.The first fixed contact 12 is the electric conductors with plane.The shape of the first fixed contact 12 is for example such shape of overlooking as circle or square or star.As shown in Figure 4, the first related fixed contact 12 of present embodiment has foursquare shape.The shape of the second fixed contact 14 is for example frame shape electric conductor or the foursquare frame shape electric conductor of ring-type.As shown in Figure 4, the second related fixed contact 14 of present embodiment is the foursquare frame shapes that surround the surrounding of the first fixed contact 12.
As described in Figure 2 B, the lower surface 10b of substrate 10 has the first electrode 13 and the second electrode 15.The first electrode 13 and the second electrode 15 by spaced distance configure.The first electrode 13 is for example electrically connected with the first fixed contact 12 by the through hole 13c (13d) or the electrode pattern that are arranged at substrate 10.The second electrode 15 is for example electrically connected with the second fixed contact 15 by the through hole 15c (15d) or the electrode pattern that are arranged at substrate 10.Also can near two of a substrate bight, configure two the first electrodes 13 as 13a, 13b.Also can near another two bights of substrate, configure two the second electrodes 15 as 15a, 15b.Again, the lower surface 10b of substrate 10, except configuring the sheet material 18 of place configuration electrical insulating property of the first electrode 13 and the second electrode 15.The sheet material 18 of electrical insulating property is formed by synthetic resin.
Fig. 3 shows the A-A ' profile of the key switch 1 shown in Fig. 1.The flexure member 20 of switch portion 23 has concave surface 20b on the face relative with the first fixed contact 12.Form convex surface 20a in the opposition side of the concave surface 20b of the flexure member 20 of switch portion 23 again.Flexure member 20 is formed by electroconductive member.Flexure member 20 is with circular leaf spring.As an example, flexure member 20 also can be formed by stainless steel.
In portion, wrap sheet 30 and describe being pressed into again.The portion that is pressed into 43 that is pressed into bag sheet 30 in portion has: first member 42 with protuberance 42b; Circular and smooth second component 40, described second component 40 is bonding with the circular and smooth upper surface 42a of the first member 42 of the opposition side of described protuberance 42b., the smooth upper surface 42a of the first member 42 and the smooth lower surface 40b of second component 40 contact and are bonded.The protuberance 42b of the first member 42 is positioned at the position relative with the convex surface 20a of flexure member 20.Press down being pressed into portion 43 if wrap the top of the first maintenance film 30a of sheet 30 in portion from being pressed into, the protuberance 42b of the first member 42 just presses the convex surface 20a of flexure member 20 from the top of the second maintenance film 30b.Its result, the concave surface 20b bending of flexure member 20, contacts key switch 1 conducting with the first relative fixed contact 12.
Being pressed into the first maintenance film 30a and second of bag sheet 30 in portion keeps film 30b to be formed by same raw material.For example, the first maintenance film 30a and the second maintenance film 30b are the films being formed by insulative resin.The first member 42 that is pressed into portion 43 is formed by the high raw material of hardness of the second component 40 than being pressed into portion 43.For example, the first member 42 also can be formed by epoxy resin.For example, second component 40 also can be formed by polyimide resin.
For example, the first member 42 is formed by synthetic resin, and described synthetic resin has 80～90 hardness in the time measuring by duroscope D type (JISK6253).Its reason is, is less than 80 synthetic resin forms by hardness at the first member 42, and the hardness of the first member 42 becomes not, may disperse the power that the flexure member 20 of the first member 42 is pressed down.Again, in the case of being formed by the large synthetic resin of hardness ratio 90, the manufacturing expense of key switch may rise.
The end 30c that is pressed into bag sheet 30 in portion is adhesively fixed in the upper surface 16a of the sheet 16 that is adhesively fixed.The end 30c that is pressed into bag sheet 30 in portion contacts also bonded with the upper surface 16a of the frame shape of the surrounding of the through hole 17 along the sheet 16 that is adhesively fixed.
Fig. 5 shows the exploded perspective view that is pressed into bag sheet 30 in portion of the key switch 1 shown in Fig. 1.As shown in Figure 5, the protuberance 42b that is pressed into the first member 42 of portion 43 is hemisphere.The diameter of circular upper surface 42a that is pressed into the first member 42 of portion 43 is less than the diameter of the circular lower surface 40b of second component 40.According to this structure, even in the case of being pressed into the situation of key switch with finger or by button pressed downwards key switch, also can be finger and bring the feel pressing down that degree is suitable.
Again, the first member 42 and the second component 40 that are pressed into portion 43 are embedded in adhesive layer 60, and are enclosed in the portion of being pressed in bag sheet 30.For example, even if when the impact being fallen in the key switch part of electronic equipment with the related key switch of the utility model, be pressed into the first member 42 of portion 43 and second component 40 breakages situation under, in portion, to wrap the possibility that sheet 30 drops out also very low from being pressed into for damaged fragment.
As adhesive layer 60, can use the sticker of synthetic resin.As the adhesive of adhesive layer 60, selection can bondingly be pressed in portion first of bag sheet 30 and keep film 30a, second to keep any one the adhesive in film 30b, the first member 42 and second component 40.Again, between the first diaphragm 30a and the second diaphragm 30b, the first member 42 and second component 40 are buried underground and are sealed in adhesive layer 60.Therefore, than only, by the smooth bonding such situation of lower surface 40b one side of the smooth upper surface 42a of the first member 42 and second component 40, the first member 42 and second component 40 are by bonding more firmly.Again, even if can expect in the situation that having difference of hardness between the first member 42 and second component 40, the stress being produced by this difference of hardness also can absorb by bonded layer 6.The protuberance 42b of the first member 42 is fixed in the second maintenance film 30b by adhesive layer 60.The upper surface 40a of second component 40 is fixed in the first maintenance film 30a by adhesive layer 60.The bag sheet 30 in portion that is pressed into of the related key switch of execution mode of the present utility model has above-mentioned structure.
Again, in the first embodiment, second keeps film 30b to keep the profile of film 30a little than described first.
(the second execution mode)
Fig. 6 shows the stereogram of the related key switch 2 of the second execution mode of the present utility model.Fig. 7 shows the B-B ' profile of the key switch shown in Fig. 6.
The second execution mode and the first execution mode difference are the size of the second maintenance film 30b.In the present embodiment, the through hole 17 of the sheet 16 that is adhesively fixed described in the second maintenance film 30b covers, the upper surface 16a of the sheet 16 that is adhesively fixed described in extending to.
In addition, the explanation repeating with the first execution mode is with reference to the explanation of the first execution mode.
(the 3rd execution mode)
Fig. 8 A is the schematic diagram of portable communication equipment.Again, Fig. 8 B is the key diagram that is disposed at key switch side, that execution mode of the present utility model is related of the communication equipment shown in Fig. 8 A.
For example, the related key switch 1 or 2 of execution mode of the present utility model is the sides that are configured in the housing 61 of portable communication equipment, as the key switch for regulating volume.The key switch that the related key switch 1 or 2 of execution mode of the present utility model also can be used as the power supply for opening electronic equipment or communication equipment uses.Key switch 1 or 2 is for example installed on flexible base, board 63, is configured in housing 61.Configuration button 62 above key switch 1 or 2.Can see button 62 from outside in the side of housing 61.Press button 62 by press...withing one's finger, can seek the conducting of the switch portion of key switch 1 or 2.
From theme of the present utility model, combine illustrated inscape this two execution modes are described together.But, in the case of not departing from the instruction of purport of the present utility model, also can in multiple different form, carry out other various combinations.Therefore, theme of the present utility model should not be interpreted as being defined at this and describe and illustrated illustrative execution mode in the accompanying drawings.These execution modes are for using this announcement as material in detail and completely, scope of the present utility model is at length conveyed to those skilled in the art and propose.
Symbol description
1 key switch
10 substrates
12 first fixed contacts
13 first electrodes
14 second fixed contacts
15 second electrodes
16 are adhesively fixed in the sheet that is adhesively fixed of the upper surface 10a of substrate 10
17 through holes that are adhesively fixed sheet
The sheet material of 18 electrical insulating properties
20 flexure members
23 switch portion
30 pairs be pressed into that portion 43 carries out interior bag be pressed in portion bag sheet
30a first keeps film
30b second keeps film
43 are pressed into portion
42 are pressed into the first member of portion
40 are pressed into the second component of portion
60 adhesive layers.
Claims (11)
1. a key switch, is characterized in that, has:
Substrate (10);
The sheet (16) that is adhesively fixed, described in the sheet (16) that is adhesively fixed there is through hole (17), described in the bonded upper surface (10a) that is fixed on described substrate (10) of sheet (16) that is adhesively fixed;
The switch portion (23) being adhesively fixed described in being configured in the through hole (17) of sheet (16), described switch portion (23) has: the first fixed contact (12), the bonded upper surface (10a) that is fixed on described substrate (10) of described the first fixed contact (12); The second fixed contact (14), described the second fixed contact (14) is bonded to be fixed on the upper surface (10a) of described substrate (10) and to be positioned at described the first fixed contact (12) around; And thering is the flexure member (20) of the concave surface (20b) relative with described the first fixed contact (12), the end (20c) of described flexure member (20) contacts with the upper surface of described the second fixed contact; And
Be pressed into bag sheet (30) in portion, the described bag sheet (30) that is pressed in portion is the upper surface that covers described switch portion (23), be pressed in portion bag sheet (30) to what press down that the portion that is pressed into (43) of described switch portion (23) carries out interior bag, described in be pressed into bag sheet (30) portion in and have: the first maintenance film (30a) that is pressed into portion (43) described in keeping from top; Described in keeping from below, be pressed into second of portion (43) and keep film (30b); And described in be pressed into portion (43), the described portion (43) that is pressed into is configured in described first and keeps film (30a) and second to keep between film (30b), keeps film (30a) and described the second maintenance film (30b) is bonding and fixed position by adhesive layer (60) and described first.
2. key switch as claimed in claim 1, is characterized in that,
The opposition side of the described concave surface (20b) of described flexure member (20) is convex surface (20a),
The described portion (43) that is pressed into has the first member (42) and circular and smooth second component (40), described the first member (42) has the protuberance (42b) that is positioned at the position relative with the convex surface (20a) of described flexure member (20), and described second component (40) is bonding with the smooth upper surface (42a) of the first member (42) of opposition side that is positioned at described protuberance (42b).
3. key switch as claimed in claim 1, is characterized in that,
The described end that is pressed into bag sheet (30) in portion is adhesively fixed in the upper surface (16a) of the described sheet that is adhesively fixed (16).
4. key switch as claimed in claim 3, is characterized in that,
The described end that is pressed into bag sheet (30) in portion contacts with the frame shape upper surface (16a) of the surrounding of the through hole along the described sheet that is adhesively fixed (16) and is bonded fixing.
5. key switch as claimed in claim 2, is characterized in that,
The protuberance (42b) of described the first member (42) that is pressed into portion (43) is hemisphere.
6. key switch as claimed in claim 5, is characterized in that,
The diameter of the circular upper surface (42a) of described the first member (42) that is pressed into portion (43) is less than the diameter of the circular lower surface of described second component (40), and described the first member (42) and described second component (40) are embedded in described adhesive layer (60).
7. key switch as claimed in claim 1, is characterized in that,
Described first keeps film (30a) be adhesively fixed described in the covering through hole (17) of sheet (16) the upper surface (16a) of sheet (16) that are adhesively fixed described in extending to.
8. key switch as claimed in claim 7, is characterized in that,
Described second keeps film (30b) to keep the profile of film (30a) little than described first.
9. key switch as claimed in claim 8, is characterized in that,
Described second keeps film (30b) be adhesively fixed described in the covering through hole (17) of sheet (16) the upper surface (16a) of sheet (16) that are adhesively fixed described in extending to.
10. key switch as claimed in claim 1, is characterized in that,
Described substrate has the first electrode being electrically connected with described the first fixed contact, and the second electrode being electrically connected with described the second fixed contact,
If the described portion (43) that is pressed into is pressed down from the top of the first maintenance film (30a), the described concave surface (20b) of described flexure member (20) is bending and contact also conducting with described the first fixed contact.
11. key switches as described in any one in claim 1～10, is characterized in that also having:
Described in being configured in, be pressed into the button (62) of the top of portion (43).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013092683A JP6192348B2 (en) | 2013-04-25 | 2013-04-25 | Push switch |
| JP2013-092683 | 2013-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983099U true CN203983099U (en) | 2014-12-03 |
Family
ID=51941778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204126.6U Expired - Fee Related CN203983099U (en) | 2013-04-25 | 2014-04-24 | Key switch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6192348B2 (en) |
| CN (1) | CN203983099U (en) |
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| US10755877B1 (en) | 2016-08-29 | 2020-08-25 | Apple Inc. | Keyboard for an electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006344510A (en) * | 2005-06-09 | 2006-12-21 | Alps Electric Co Ltd | Sheet with click spring, its manufacturing method and switch using it |
| JP2010257600A (en) * | 2009-04-21 | 2010-11-11 | Alps Electric Co Ltd | Sheet with movable contact, and push switch |
-
2013
- 2013-04-25 JP JP2013092683A patent/JP6192348B2/en active Active
-
2014
- 2014-04-24 CN CN201420204126.6U patent/CN203983099U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485246A (en) * | 2014-12-31 | 2015-04-01 | 福建联迪商用设备有限公司 | Electric switch structure and electronic device |
| CN108779780A (en) * | 2016-03-31 | 2018-11-09 | 三菱电机株式会社 | Electric fan |
| CN111357072A (en) * | 2017-11-20 | 2020-06-30 | 西铁城电子株式会社 | Movable contact body for switch and switch |
| CN111357072B (en) * | 2017-11-20 | 2022-03-01 | 西铁城电子株式会社 | Movable contact body for switch and switch |
| US11270855B2 (en) | 2017-11-20 | 2022-03-08 | Citizen Electronics Co., Ltd. | Movable contact body for switch, and switch |
| CN108493025A (en) * | 2018-05-21 | 2018-09-04 | 深圳市志金电子有限公司 | A kind of touch base plate and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014216190A (en) | 2014-11-17 |
| JP6192348B2 (en) | 2017-09-06 |
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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 |
Address after: Japan's Yamanashi Prefecture, Yoshida, Fuji on the eve of the first 23 orders of a few times, No. 1 Patentee after: CITIZEN ELECTRONICS Co.,Ltd. Patentee after: CITIZEN WATCH Co.,Ltd. Address before: Japan's Yamanashi Prefecture, Yoshida, Fuji on the eve of the first 23 orders of a few times, No. 1 Patentee before: CITIZEN ELECTRONICS Co.,Ltd. Patentee before: CITIZEN HOLDINGS Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |