CN2672832Y - Single sheet type circuit switch spring sheet - Google Patents
Single sheet type circuit switch spring sheet Download PDFInfo
- Publication number
- CN2672832Y CN2672832Y CN 03270753 CN03270753U CN2672832Y CN 2672832 Y CN2672832 Y CN 2672832Y CN 03270753 CN03270753 CN 03270753 CN 03270753 U CN03270753 U CN 03270753U CN 2672832 Y CN2672832 Y CN 2672832Y
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- shell fragment
- pushing
- distortion
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- Expired - Fee Related
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Abstract
The utility model discloses a single sheet type circuit switch spring sheet, comprising the following parts molded in a whole in a punching mode, such as two welding segments arranged at intervals, two deforming buffer segments which are respectively connected with the welding segment end edges in the same direction and extend in a certain angle, and a pressing segment whose both ends are respectively connected with each end edge of the deforming buffer segment. The spring sheet is located to a circuit board by the surface adhesion method. The deforming buffer segment generates the elastic deformation when the pressing segment is stressed to absorb the pushing force in the direction of the welding segment after the pressing segment is stressed. The location steadiness of the welding segment on the circuit board is maintained.
Description
Technical field
The utility model relates to a kind of shell fragment, particularly relates to a kind of with the one-body molded and shell fragment that use as contactor of punching out mode.
Background technology
Generally in electronic product, the switch of press-type is adopted on the interface of man-machine communication usually in large quantities, for example in mobile phone or the home telephone in order to the usefulness that Enters Number push keyboard, computer equipment in order to control panel of the keyboard of importing the literary composition numeral even various household appliances with micro-computer controlling apparatus or the like, all can see the application of press-type switch.
As Fig. 1, the single push-button structure 9 of the keyboard that uses with mobile phone is example, is wherein a kind of structure of press-type switch.
This press-key structure 9 is mounted on the circuit board 8, circuit board 8 is provided with plural electrical contact 81 (only showing single electrical contact 81 on the figure), and press-key structure 9 from bottom to top includes a plastic cement shell fragment 91 in regular turn, one covers the silica gel cover plate 92 on plastic cement shell fragment 91, and button joint 93 on silica gel cover plate 92, wherein, the bottom surface of plastic cement shell fragment 91 is provided with the corresponding conductive part 911 of a position and electrical contact 81, when the user presses down button joint 93, and then compressing silica gel cover plate 92 and plastic cement shell fragment 91 are out of shape downwards, the conductive part 911 of plastic cement shell fragment 91 will contact corresponding electrical contact 81, cause the conducting of circuit and produce an electric signal, and when the user no longer forces in button joint 93, by the elastic-restoring force of plastic cement shell fragment 91, make its conductive part 911 separate and reset with corresponding electrical contact 81.
Yet, from the viewpoint of making, because plastic cement shell fragment 91 is not directly to be fixed on the circuit board 8, but form in advance one in silica gel cover plate 92 corresponding positions for the ccontaining acupuncture point 921 of plastic cement shell fragment 91, utilize silica gel cover plate 92 and circuit board 8 relative fixed again, reach the effect of electrical contact 81 contrapositions on plastic cement shell fragment 91 and the circuit board 8, silica gel cover plate 92 and all acupuncture points 921 must be one-body molded, with the electrical contact 81 on the 921 alignment circuit plates 8 of acupuncture point, and the plastic cement shell fragment 91 of correspondence is contained in respectively in each acupuncture point 921, can be assembled to circuit board 8, because flow process is complicated, make the very difficult automation of assembling process, many at present with artificial assembling, manufacturing cost can't descend.In addition,, also force material cost to improve, and the number of element the more, the more difficult trend that meets thin typeization in product design because a silica gel cover plate 92 must be set.
In addition, as with the keyboard that uses of computer equipment be example, also be the application of another kind of press-type switch.And the button that the press-key structure of the keyboard that computer equipment is used is used than aforementioned mobile phone more complexity and component number are more, so-called scissor support structure is wherein arranged usually in the centre of keycap of pushing for the user and circuit board, perhaps adopt other extra support structures or the like, therefore face the aforementioned shortcoming that automation assembling, material and assembly cost can't further descend that is difficult to equally, and because the non-emphasis for the utility model discussion of the keyboard structure of computer equipment, so no longer be described in further detail with graphic.
The utility model content
The purpose of this utility model is to provide a kind of one-body molded and one chip shell fragment that use as contactor of impact style that utilizes, it can significantly reduce the electronic product element cost of manufacture, and the element that is welded on the circuit board, need not additionally locatees with can utilizing the automation of surface mount method, can significantly reduce the electronic product assembly cost.
A kind of one chip contactor of the utility model shell fragment includes the distortion breeze way that two welding sections, two connect this welding section respectively accordingly, and the section of pushing of this two distortion breeze way of a connection, it is characterized in that:
This two welding section is to be provided with at intervals, make this two distortion breeze way extend respectively from corresponding respectively this welding section in opposite directions ora terminalis and press from both sides an angle towards extending in the same way away from this welding section direction respectively, these section of pushing two ends then are linked to two these distortion breeze ways respectively away from the ora terminalis of this welding section respectively.
One chip contactor shell fragment of the present utility model, it is characterized in that: this shell fragment is one-body molded in the punching out mode, but and utilize the surface mount method be positioned on the circuit board, stressed after the electrical contact of a correspondence on circuit board of elastic reset ground contact, borrow shell fragment to contact with electrical contact triggering an electric signal, shell fragment includes the distortion breeze way that two welding sections, the section of pushing and two are connected to the section of pushing two ends and corresponding welding section.Wherein: welding section respectively the position in electrical contact two opposite sides and solid welding on circuit board, push Duan Ze in the middle of two welding sections, when stress not and electrical contact keep a spacing distance, make the section of pushing in order to bear one to circuit board approaching push strength, again, each is out of shape breeze way is that self-pressing section one side is extended and the corresponding welding section of connection, make two distortion breeze ways flexibly support the section of pushing jointly, and in the stressed and generation strain during near circuit board of the section of pushing, keep the location steadiness of welding section on circuit board with the stressed back of the absorption section of pushing to the pushing strength of side direction compressing.
The utility model has the advantages that: one chip contactor shell fragment of the present utility model, directly be welded on the circuit board by welding section, push the design of strength behind the cooperation distortion breeze way absorption section of the pushing pressurized to the welding section direction, make that only needing single shell fragment promptly to can be used as contactor uses, and need not other complicated locating structures, still material cost does not reduce, and its minimizing of forming member also can reach the possibility of the further thin typeization of electronic product.The more important thing is, utilize the push section of the adsorbent equipment of automation equipment with the absorption shell fragment, and then single shell fragment moved on the circuit board on any certain location, and utilize the surface mount method to be welded on the circuit board rapidly and accurately, the surface mount technology of this kind automation is the quite ripe fabrication schedule of industry, design of the present utility model is kind in this automatable advantage, make and to have more efficient on being located by connecting of the shell fragment that uses as contactor and circuit board, also can significantly save the cost of making and assembling, so can reach the purpose of this utility model really.
Below by the drawings and the specific embodiments shell fragment of the present utility model is elaborated:
Description of drawings
Fig. 1 is a kind of cross-sectional schematic of press-key structure in the past;
Fig. 2 is a stereogram, illustrate preferred embodiment 1 of the present utility model shape structure and with a circuit board on the circuit trace relation of electrical contact;
Fig. 3 is a stereogram, and the circuit trace relation of electrical contact on this preferred embodiment 1 and another circuit board is described;
Fig. 4 is a schematic side view, and the state that this first preferred embodiment is not stressed is described;
Fig. 5 is a schematic side view, and the state of this first preferred embodiment after stressed is described;
Fig. 6 is a stereogram, illustrates that this first preferred embodiment has additional the structure of a contact site;
Fig. 7 is a schematic side view, the state after the shell fragment of key diagram 6 is stressed;
Fig. 8 is a schematic side view, and the structure of preferred embodiment 2 of the present utility model and the state when not stressed thereof are described; And
Fig. 9 is a schematic side view, and this preferred embodiment 2 state after stressed is described.
Embodiment
Consult Fig. 2 and Fig. 3, the preferred embodiment 1 of one chip contactor shell fragment 1 of the present utility model is to utilize conductive metallic material integrated punching bending forming and the structure that constitutes a single sheet, make shell fragment 1 be applied on the circuit board 2, circuit board 2 surfaces then are formed with plural electrical contact 21 (being representative with single electrical contact 21 only on the figure) in advance, and stick together the needs of method and be provided with two weld pads 22 on circuit board 2 surfaces at the two opposite sides matching surface of electrical contact 21.As Fig. 2, a weld pad 22 wherein is to be connected with a circuit trace 23, and electrical contact 21 is the electric conducting material formation of single area, can be connected with another circuit trace 24, make circuit trace 23 and circuit trace 24 form the circuit breaker state, make its circuit turn-on to trigger an electric signal with the contacting (the back narration is held in effect) of electrical contact 21 by shell fragment 1.For another shown in Figure 3, electrical contact 21 also can be divided into disconnected one first conduction region 211 and one second conduction region 212 mutually, first conduction region 211 is connected with a circuit trace 25, and second conduction region 212 is connected with another circuit trace 26, so make circuit trace 25 and circuit trace 26 form the circuit breaker state, can make its circuit turn-on to trigger an electric signal with the contacting (promptly contacting first conduction region 211 and second conduction region 212 simultaneously) of electrical contact 21 by shell fragment 1 equally.Certainly, the pattern of other electrical contacts 21 is arranged also, only lift two example explanations herein, non-for limiting the range of application of the utility model shell fragment 1.
As Fig. 2 and shown in Figure 4, shell fragment 1 of the present utility model includes two welding sections 11, two distortion breeze way 13 and the sections of pushing 12.
Two distortion breeze ways 13 are that self-corresponding welding section 11 ora terminalis toward each other extends with the direction away from welding section 11 towards the top respectively.In this example, distortion breeze way 13 has one from the welding section 11 ora terminalis bend 132 of bending extension inwardly in opposite directions, and this bend 132 is to constitute with bending of reverse U shape cross section kenel institute, reaches a connection bend 132 and upwardly extending erection part 131.
The two opposite sides of the section of pushing 12 then connects the ora terminalis of the erection part 131 of distortion breeze way 13 away from welding section 11 respectively, makes the section of pushing 12 be subjected to two distortion breeze ways 13 flexibly to be supported on circuit board 2 tops jointly.In this example, the section of pushing 12 bearing of trends are general parallel with circuit board 2 plane bearing of trends, its purpose in order to bear one to circuit board 2 approaching push strength, but the section of pushing 12 under the not stressed state be the position above electrical contact 21 and maintain a spacing distance with circuit board 2, connect electrical contact 21 this moment on the circuit board 2 circuit is an off state.
Again simultaneously with reference to Fig. 5, when the section of pushing 12 is subjected to pressure downward shown in the figure solid arrow (for example the user depresses the state of button), the section of pushing 12 will be bent downwardly distortion and touch electrical contact 21, by the conductive characteristic of shell fragment 1 material own, make on the circuit board 2 circuit turn-on and produce an electric signal.On the other hand, because welding section 11 is to be fixed on the circuit board 2, and the section of pushing 12 stressed being bent downwardly can be just like the strength of pushing to two opposite sides welding section 11 respectively shown in the figure dotted line arrow when being out of shape, for avoiding the destruction that steadiness is subjected to the side direction shearing that is connected of welding section 11 and weld pad 22, distortion breeze way 13 just plays a role at this moment, by the distortion breeze way 13 bend 132 on side surface direction, produce elastic compression deformation effect to absorb the most strength of pushing, make welding section 11 firmly be positioned on the circuit board 2.And after the section of pushing 12 stressed disappearances, but has the characteristic of elastic recovery and reinstatement based on shell fragment 1 material.
Figure 6 and Figure 7 for another example, in order further to increase section of pushing 12 and the electrical contact 21 electrical reliabilities that contact, can be simultaneously when shell fragment 1 drawing the centre of the section of pushing 12 towards set out one below two welding sections, 11 centres circuit board 2 directions be the contact site 121 of standing shape, the section of pushing 12 stressed and to circuit board 2 near the time, contact with electrical contact 21 by contact site 121, to guarantee the accuracy on both contact positions.
Again with reference to figure 8 and Fig. 9, it is the shell fragment 3 of preferred embodiment 2 of the present utility model, similar with aforementioned preferred embodiment 1, shell fragment 3 also includes two welding sections 31, a section of pushing 32 and two distortion breeze ways 33, also be provided with a contact site 321 on the section of pushing 32, thought difference is in the shape of the distortion breeze way 33 of this example and changes slightly, and directly opens bowed state to connect the corresponding section of pushing 32 edges from welding section 31 1 ends outside being away from welding section 31 directions.When the section of pushing 32 stress deformations, reach equally by the change of the arc curvature of distortion breeze way 33 and to absorb the push strength of the section of pushing 32, so that each welding section 31 has preferable connection steadiness on circuit board 4 to welding section 31 directions.
Claims (5)
1, a kind of one chip contactor shell fragment includes the distortion breeze way that two welding sections, two connect this welding section respectively accordingly, and the section of pushing of this two distortion breeze way of a connection, it is characterized in that:
This two welding section is to be provided with at intervals, make this two distortion breeze way extend respectively from corresponding respectively this welding section in opposite directions ora terminalis and press from both sides an angle towards extending in the same way away from this welding section direction respectively, these section of pushing two ends then are linked to two these distortion breeze ways respectively away from the ora terminalis of this welding section respectively.
2, one chip contactor shell fragment as claimed in claim 1 is characterized in that: this distortion breeze way has one from this welding section ora terminalis bend of bending extension inwardly in opposite directions, and an erection part that connects this bend and this section of pushing ora terminalis.
3, one chip contactor shell fragment as claimed in claim 2 is characterized in that: this bend be with a reverse U shape cross section kenel bending constitute.
4, one chip contactor shell fragment as claimed in claim 1 is characterized in that: this distortion breeze way be directly from this welding section ora terminalis is in opposite directions outer bowed state of opening to connect this section of pushing ora terminalis of correspondence.
5, one chip contactor shell fragment as claimed in claim 1 is characterized in that: this section of pushing is provided with a contact site that is standing shape to this two welding sections third side to dashing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03270753 CN2672832Y (en) | 2003-08-14 | 2003-08-14 | Single sheet type circuit switch spring sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03270753 CN2672832Y (en) | 2003-08-14 | 2003-08-14 | Single sheet type circuit switch spring sheet |
Publications (1)
Publication Number | Publication Date |
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CN2672832Y true CN2672832Y (en) | 2005-01-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 03270753 Expired - Fee Related CN2672832Y (en) | 2003-08-14 | 2003-08-14 | Single sheet type circuit switch spring sheet |
Country Status (1)
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CN (1) | CN2672832Y (en) |
Cited By (28)
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US9704670B2 (en) | 2013-09-30 | 2017-07-11 | Apple Inc. | Keycaps having reduced thickness |
US9704665B2 (en) | 2014-05-19 | 2017-07-11 | Apple Inc. | Backlit keyboard including reflective component |
US9710069B2 (en) | 2012-10-30 | 2017-07-18 | Apple Inc. | Flexible printed circuit having flex tails upon which keyboard keycaps are coupled |
US9715978B2 (en) | 2014-05-27 | 2017-07-25 | Apple Inc. | Low travel switch assembly |
US9761389B2 (en) | 2012-10-30 | 2017-09-12 | Apple Inc. | Low-travel key mechanisms with butterfly hinges |
US9779889B2 (en) | 2014-03-24 | 2017-10-03 | Apple Inc. | Scissor mechanism features for a keyboard |
US9793066B1 (en) | 2014-01-31 | 2017-10-17 | Apple Inc. | Keyboard hinge mechanism |
US9870880B2 (en) | 2014-09-30 | 2018-01-16 | Apple Inc. | Dome switch and switch housing for keyboard assembly |
US9908310B2 (en) | 2013-07-10 | 2018-03-06 | Apple Inc. | Electronic device with a reduced friction surface |
US9916945B2 (en) | 2012-10-30 | 2018-03-13 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
US9927895B2 (en) | 2013-02-06 | 2018-03-27 | Apple Inc. | Input/output device with a dynamically adjustable appearance and function |
US9934915B2 (en) | 2015-06-10 | 2018-04-03 | Apple Inc. | Reduced layer keyboard stack-up |
US9971084B2 (en) | 2015-09-28 | 2018-05-15 | Apple Inc. | Illumination structure for uniform illumination of keys |
US9997304B2 (en) | 2015-05-13 | 2018-06-12 | Apple Inc. | Uniform illumination of keys |
US9997308B2 (en) | 2015-05-13 | 2018-06-12 | Apple Inc. | Low-travel key mechanism for an input device |
US10002727B2 (en) | 2013-09-30 | 2018-06-19 | Apple Inc. | Keycaps with reduced thickness |
US10083805B2 (en) | 2015-05-13 | 2018-09-25 | Apple Inc. | Keyboard for electronic device |
US10082880B1 (en) | 2014-08-28 | 2018-09-25 | Apple Inc. | System level features of a keyboard |
US10115544B2 (en) | 2016-08-08 | 2018-10-30 | Apple Inc. | Singulated keyboard assemblies and methods for assembling a keyboard |
US10128064B2 (en) | 2015-05-13 | 2018-11-13 | Apple Inc. | Keyboard assemblies having reduced thicknesses and method of forming keyboard assemblies |
CN109155213A (en) * | 2016-07-28 | 2019-01-04 | 松下知识产权经营株式会社 | Switch body |
CN109326474A (en) * | 2018-10-10 | 2019-02-12 | 深圳市瑞展峰电子科技有限公司 | A kind of chip touch-switch |
US10262814B2 (en) | 2013-05-27 | 2019-04-16 | Apple Inc. | Low travel switch assembly |
US10353485B1 (en) | 2016-07-27 | 2019-07-16 | Apple Inc. | Multifunction input device with an embedded capacitive sensing layer |
US10755877B1 (en) | 2016-08-29 | 2020-08-25 | Apple Inc. | Keyboard for an electronic device |
US10775850B2 (en) | 2017-07-26 | 2020-09-15 | Apple Inc. | Computer with keyboard |
US10796863B2 (en) | 2014-08-15 | 2020-10-06 | Apple Inc. | Fabric keyboard |
US11500538B2 (en) | 2016-09-13 | 2022-11-15 | Apple Inc. | Keyless keyboard with force sensing and haptic feedback |
-
2003
- 2003-08-14 CN CN 03270753 patent/CN2672832Y/en not_active Expired - Fee Related
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US9710069B2 (en) | 2012-10-30 | 2017-07-18 | Apple Inc. | Flexible printed circuit having flex tails upon which keyboard keycaps are coupled |
US9761389B2 (en) | 2012-10-30 | 2017-09-12 | Apple Inc. | Low-travel key mechanisms with butterfly hinges |
US10211008B2 (en) | 2012-10-30 | 2019-02-19 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
US10699856B2 (en) | 2012-10-30 | 2020-06-30 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
US11023081B2 (en) | 2012-10-30 | 2021-06-01 | Apple Inc. | Multi-functional keyboard assemblies |
US9916945B2 (en) | 2012-10-30 | 2018-03-13 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
US9927895B2 (en) | 2013-02-06 | 2018-03-27 | Apple Inc. | Input/output device with a dynamically adjustable appearance and function |
US10114489B2 (en) | 2013-02-06 | 2018-10-30 | Apple Inc. | Input/output device with a dynamically adjustable appearance and function |
US10262814B2 (en) | 2013-05-27 | 2019-04-16 | Apple Inc. | Low travel switch assembly |
US10556408B2 (en) | 2013-07-10 | 2020-02-11 | Apple Inc. | Electronic device with a reduced friction surface |
US9908310B2 (en) | 2013-07-10 | 2018-03-06 | Apple Inc. | Electronic device with a reduced friction surface |
US10804051B2 (en) | 2013-09-30 | 2020-10-13 | Apple Inc. | Keycaps having reduced thickness |
US10224157B2 (en) | 2013-09-30 | 2019-03-05 | Apple Inc. | Keycaps having reduced thickness |
US10002727B2 (en) | 2013-09-30 | 2018-06-19 | Apple Inc. | Keycaps with reduced thickness |
US9704670B2 (en) | 2013-09-30 | 2017-07-11 | Apple Inc. | Keycaps having reduced thickness |
US11699558B2 (en) | 2013-09-30 | 2023-07-11 | Apple Inc. | Keycaps having reduced thickness |
US9793066B1 (en) | 2014-01-31 | 2017-10-17 | Apple Inc. | Keyboard hinge mechanism |
US9779889B2 (en) | 2014-03-24 | 2017-10-03 | Apple Inc. | Scissor mechanism features for a keyboard |
US9704665B2 (en) | 2014-05-19 | 2017-07-11 | Apple Inc. | Backlit keyboard including reflective component |
US9715978B2 (en) | 2014-05-27 | 2017-07-25 | Apple Inc. | Low travel switch assembly |
US10796863B2 (en) | 2014-08-15 | 2020-10-06 | Apple Inc. | Fabric keyboard |
US10082880B1 (en) | 2014-08-28 | 2018-09-25 | Apple Inc. | System level features of a keyboard |
US9870880B2 (en) | 2014-09-30 | 2018-01-16 | Apple Inc. | Dome switch and switch housing for keyboard assembly |
US10128061B2 (en) | 2014-09-30 | 2018-11-13 | Apple Inc. | Key and switch housing for keyboard assembly |
US10134539B2 (en) | 2014-09-30 | 2018-11-20 | Apple Inc. | Venting system and shield for keyboard |
US10192696B2 (en) | 2014-09-30 | 2019-01-29 | Apple Inc. | Light-emitting assembly for keyboard |
US10424446B2 (en) | 2015-05-13 | 2019-09-24 | Apple Inc. | Keyboard assemblies having reduced thickness and method of forming keyboard assemblies |
US9997304B2 (en) | 2015-05-13 | 2018-06-12 | Apple Inc. | Uniform illumination of keys |
US9997308B2 (en) | 2015-05-13 | 2018-06-12 | Apple Inc. | Low-travel key mechanism for an input device |
US10128064B2 (en) | 2015-05-13 | 2018-11-13 | Apple Inc. | Keyboard assemblies having reduced thicknesses and method of forming keyboard assemblies |
US10083805B2 (en) | 2015-05-13 | 2018-09-25 | Apple Inc. | Keyboard for electronic device |
US10083806B2 (en) | 2015-05-13 | 2018-09-25 | Apple Inc. | Keyboard for electronic device |
US10468211B2 (en) | 2015-05-13 | 2019-11-05 | Apple Inc. | Illuminated low-travel key mechanism for a keyboard |
US9934915B2 (en) | 2015-06-10 | 2018-04-03 | Apple Inc. | Reduced layer keyboard stack-up |
US10310167B2 (en) | 2015-09-28 | 2019-06-04 | Apple Inc. | Illumination structure for uniform illumination of keys |
US9971084B2 (en) | 2015-09-28 | 2018-05-15 | Apple Inc. | Illumination structure for uniform illumination of keys |
US10353485B1 (en) | 2016-07-27 | 2019-07-16 | Apple Inc. | Multifunction input device with an embedded capacitive sensing layer |
CN109155213A (en) * | 2016-07-28 | 2019-01-04 | 松下知识产权经营株式会社 | Switch body |
US10115544B2 (en) | 2016-08-08 | 2018-10-30 | Apple Inc. | Singulated keyboard assemblies and methods for assembling a keyboard |
US11282659B2 (en) | 2016-08-08 | 2022-03-22 | Apple Inc. | Singulated keyboard assemblies and methods for assembling a keyboard |
US10755877B1 (en) | 2016-08-29 | 2020-08-25 | Apple Inc. | Keyboard for an electronic device |
US11500538B2 (en) | 2016-09-13 | 2022-11-15 | Apple Inc. | Keyless keyboard with force sensing and haptic feedback |
US10775850B2 (en) | 2017-07-26 | 2020-09-15 | Apple Inc. | Computer with keyboard |
CN109326474A (en) * | 2018-10-10 | 2019-02-12 | 深圳市瑞展峰电子科技有限公司 | A kind of chip touch-switch |
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Legal Events
Date | Code | Title | Description |
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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 |