CN204441139U - Hollow to tubular axis keyboard - Google Patents
Hollow to tubular axis keyboard Download PDFInfo
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- CN204441139U CN204441139U CN201520064963.8U CN201520064963U CN204441139U CN 204441139 U CN204441139 U CN 204441139U CN 201520064963 U CN201520064963 U CN 201520064963U CN 204441139 U CN204441139 U CN 204441139U
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- tubular axis
- pcb board
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- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of keyboard, provide a kind of hollow to tubular axis keyboard, comprise surface and be provided with multipair luminescence to the pcb board of pipe and be arranged on described pcb board and there is described luminescence on the side of pipe and with multipair described luminescence to pipe multiple hollow shaft switch one to one respectively; Often pair of luminescence includes the light-emitting component and light-sensitive element that are oppositely arranged to pipe, form light path between light-emitting component and light-sensitive element in time being energized; Each hollow shaft switch includes a housing, for pressing and moving down when pressurized and conducting or block light path to form the switch shaft of signal input and the elastic reset part for driving switch axially mobile reset.Be compared with the prior art, it is hollow to tubular axis keyboard that the utility model provides, and avoid because touching the situation that rear wearing and tearing cause unstable properties for a long time in hollow shaft switch between two shell fragments, the longer service life of keyboard, job stability is higher.
Description
Technical field
The utility model relates to the technical field of keyboard, especially relates to a kind of hollow to tubular axis keyboard.
Background technology
Mechanical keyboard, it is a kind of type of keyboard, from structure, each button of mechanical keyboard has an independent Switch (namely switch) to control to close, this switch is also referred to as " axle ", according to the classification of sensitive switch, mechanical keyboard can be divided into tea axle, blue or green axle, white axle, black axle and red axle.Just because of each button by one independently fine motion form, therefore button paragraph sense is comparatively strong, thus produces the special feel being suitable for Entertainment, so usually used as high end games peripheral hardware costly, is also the ideal equipment of programmer.
At present, the keycap that existing mechanical keyboard comprises circuit board, installs multiple mechanical axis switch on the board and be connected to above corresponding mechanical axis switch, each mechanical axis switch includes interconnective upper cover and lower cover and is arranged on the switch shaft that also can move up and down in upper cover and lower cover.Also be provided with positive pole shell fragment and negative pole shell fragment in upper cover and lower cover, the position of answering in each mechanical axis Switch Controller is on circuit boards provided with the positive pole circuit solder joint welded mutually with the leg of positive pole shell fragment and the negative pole circuit solder joint welded mutually with the leg of negative pole shell fragment.Before pressing, switch shaft is supported mutually with positive pole shell fragment, and the contact of positive pole shell fragment does not contact with the contact of negative pole shell fragment, the positive pole circuit solder joint on circuit board and negative pole circuit solder joint place off-state, and keyboard entry function cannot realize; During pressing, positive pole shell fragment and switch shaft are avoided pushing up mutually, and the contact of positive pole shell fragment contacts with the contact of negative pole shell fragment, and the positive pole circuit solder joint simultaneously on circuit board is communicated with negative pole circuit solder joint, and keyboard realizes input.Unclamp pressing, switch shaft, under the first spring pressurized bounce situations, is got back to peak rapidly, is in original static stationary state.So constantly repeated work.
But there is following defect in existing mechanical keyboard:
1. existing mechanical keyboard touches mutually mainly through the contact of the positive pole shell fragment in each mechanical axis switch and the contact of negative pole shell fragment and clashes into and be separated disconnection and realize connected sum respectively and disconnect.Both contacts can, because touching brinelling, cause the life-span to be decayed in a large number, cause service behaviour unstable;
2., when mechanical axis switch internal is intake, positive pole shell fragment and the short circuit of negative pole shell fragment can be made, also can corrode both contacts, cause poor contact of contacts, and then make functional lability;
3. when mechanical axis switch internal enters flying dust or other foreign material, the contact of the contact of positive pole shell fragment and negative pole shell fragment can be made isolated, both contacts cannot be contacted, thus lose electric function connection;
4. because the leg of the positive pole shell fragment in each mechanical axis switch need weld with positive pole circuit solder joint on circuit board, the leg of negative pole shell fragment need weld with negative pole circuit solder joint on circuit board, whole keyboard has up to a hundred buttons, because the welding position on circuit board is too much, in actual production, be easy to occur the rosin joint bad phenomenon of some mechanical axle switch at leg, as long as there be one or two solder joint to occur rosin joint, whole keypad function just damages, this kind of keyboard cost is expensive, therefore serious waste resource, compromises consumer's interests.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hollow to tubular axis keyboard, be intended to solve in prior art, in existing mechanical keyboard, touch for a long time because of contact between the shell fragment in each mechanical axis switch and cause wearing and tearing, cause the defect of service behaviour instability.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of hollow to tubular axis keyboard, comprises surface and is provided with multipair luminescence to the pcb board of pipe and be arranged on described pcb board and have described luminescence on the side of pipe and with multipair described luminescence to pipe multiple hollow shaft switch one to one respectively; The often pair of described luminescence light-sensitive element is included to pipe and be oppositely arranged with described light-sensitive element and in time being energized to this light-sensitive element emission of light to make to be formed the light-emitting component of light path between the two; Each described hollow shaft switch include housing, for press and move down when pressurized and conducting or block described light path with is formed signal input switch shaft and for driving described switch shaft to move up the elastic reset part of reset, there is in described housing the first cavity volume for installing described switch shaft.
Further, described light-emitting component is infrared emission tube, and described light-sensitive element is photosensitive receiving tube.
Further, described pcb board is formed with the clearance structure preventing described switch shaft from clashing into described pcb board between each described infrared emission tube and the described photosensitive receiving tube relative with this infrared emission tube.
Further, described clearance structure is the through hole or the blind hole that are opened in described pcb board.
Further, each described housing includes upper cover and lower cover, enclose between described upper cover and described lower cover and form described first cavity volume, the top of described switch shaft is stretched out by the end face of described upper cover, and the bottom of described switch shaft is formed with one to downward-extension and passes the bottom surface of described lower cover when described switch shaft is depressed and block the guide pillar of described light path.
Further, cover and be provided with shell fragment under described in this first cavity volume, the side near described switch shaft on described shell fragment is formed with projection; The described guide pillar of described switch shaft is arranged with slide block, the skew wall structure that described slide block has when the upper and lower relative movement of described switch shaft and described projection abuts against, described skew wall structure by described slide block side outwards and extend to form downwards.
Further, the bottom center of described lower cover and be formed with the circular guide table raised up in this first cavity volume, the end face of described circular guide table offers the through slot that the bottom for described guide pillar is inserted; Described elastic reset part is spring, and described spring one end is connected to the periphery of described circular guide table, and the other end is sheathed on the periphery of described guide pillar.
Further, the bottom of described lower cover is formed with shading fence, described shading fence comprises the annular sidewall extended towards described pcb board by the bottom periphery of described lower cover, is formed and be used for accommodating described luminescence to the second cavity volume of pipe between described lower cover, described annular sidewall and described pcb board.
Further, described pcb board is also provided with LED light source, described LED light source comprises the LED lamp bead outside the described annular sidewall being separately positioned on each described shading fence.
Further, the opening supplying the light of described LED lamp bead to appear all is offered in the side of each described upper cover and each described lower cover.
Be compared with the prior art, it is hollow to tubular axis keyboard that the utility model provides, adopt multipair luminescence to the hollow shaft switch of managing and multiple and each luminescence is corresponding respectively to pipe, luminescence comprises light-emitting component and light-sensitive element to pipe, light path is formed between light-emitting component and light-sensitive element, move down also conducting after the switch shaft pressurized of hollow shaft switch or block light path to form signal input, like this, avoid because touching the situation that rear wearing and tearing cause unstable properties for a long time in hollow shaft switch between two shell fragments, the longer service life of keyboard, job stability is higher, in addition, because keyboard does not need to adopt plug-in unit welding manner to make, improve the ability of keyboard dust-proof and waterproof.
Accompanying drawing explanation
Fig. 1 is the hollow partial exploded view to tubular axis keyboard that the utility model embodiment one example provides;
Cross-sectional schematic when Fig. 2 is hollow non-to the tubular axis keyboard hollow mandrel switch place depressed state that the utility model embodiment one example provides;
Fig. 3 be the utility model embodiment one example provide hollow to tubular axis keyboard hollow mandrel switch place be depressed state time cross-sectional schematic;
Fig. 4 is the hollow partial exploded view to tubular axis keyboard that the utility model embodiment two example provides;
Cross-sectional schematic when Fig. 5 is hollow non-to the tubular axis keyboard hollow mandrel switch place depressed state that the utility model embodiment two example provides;
Fig. 6 is the hollow partial exploded view to tubular axis keyboard that the utility model embodiment three example provides;
Cross-sectional schematic when Fig. 7 is hollow non-to the tubular axis keyboard hollow mandrel switch place depressed state that the utility model embodiment three example provides.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It is hollow to tubular axis keyboard that the utility model provides, comprise surface and be provided with multipair luminescence to the pcb board of pipe and be arranged on pcb board and have luminous on the side of pipe and with multipair luminescence to pipe multiple hollow shaft switch one to one respectively, multipair luminescence is electrically connected pipe and pcb board, luminescence is made into integration pipe and pcb board by SMT paster mode; Often pair of luminescence includes the light-emitting component and light-sensitive element that are oppositely arranged to pipe, form light path between light-emitting component and light-sensitive element in time being energized; Each hollow shaft switch including a housing, for pressing and moving down when pressurized and conducting or block light path to form the switch shaft of signal input and the elastic reset part for driving switch axially mobile reset, having the first cavity volume for installing switch shaft in housing.
It is hollow to tubular axis keyboard that the utility model provides, adopt multipair luminescence to the hollow shaft switch of managing and multiple and each luminescence is corresponding respectively to pipe, luminescence comprises light-emitting component and light-sensitive element to pipe, light path is formed between light-emitting component and light-sensitive element, move down also conducting after the switch shaft pressurized of hollow shaft switch or block light path to form signal input, like this, avoid because touching the situation that rear wearing and tearing cause unstable properties for a long time in hollow shaft switch between two shell fragments, the longer service life of keyboard, job stability is higher, in addition, because keyboard does not need to adopt plug-in unit welding manner to make, improve the ability of keyboard dust-proof and waterproof.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
Embodiment one
As shown in Figure 1 to Figure 3, it is hollow to tubular axis keyboard 100 that the present embodiment provides, and comprises pcb board 1, multipair luminescence to pipe 2 and multiple hollow shaft switch 3.
Pcb board 1, it is laid with power circuit, control circuit and signal processing circuit.Further, pcb board 1 is also provided with multiple luminescence to pipe 2 and with each luminescence to pipe 2 multiple hollow shaft switch 3 one to one.
Multipair luminescence, to pipe 2, is arranged on the surface of pcb board 1 by SMT paster technique, then by the method such as fluid welding or immersed solder in addition welding assembly.Often pair of luminescence includes a light-emitting component 21 and a light-sensitive element 22 to pipe 2.In the present embodiment, light-emitting component 21 is infrared emission tube, and light-sensitive element 22 is photosensitive receiving tube (or infrared receiver tube).As can be seen from Figures 2 and 3, in time being energized, form light path 2a between infrared emission tube and photosensitive receiving tube, when hollow shaft switch 3 is not pressed, optical receiving set part accepts light signal and converts the signal of telecommunication to, is then directly exported by the signal of telecommunication.Like this, by adopting SMT paster to manufacture, avoiding plug-in unit leg too much (more than 310 leg) to cause occurring the situation of rosin joint, improve yields.
Multiple hollow shaft switch 3, is arranged on often pair of luminescence of pcb board 1 respectively to above pipe 2.Each hollow shaft switch 3 includes a housing 31, switch shaft 32 and an elastic reset part 33.In the present embodiment, it should be noted that hollow shaft switch 3 is for black axle, the triggering of black axle is apart from short, and finger is pressed keycap and can be reflected fast.As can be seen from Figures 2 and 3, housing 31 comprises interconnective upper cover 34 and lower cover 35, encloses formation first cavity volume 31a between upper cover 34 and lower cover 35.The bottom of lower cover 35 is formed with shading fence 36, and (shading fence 36 and lower cover 35 can be integral pieces, also can be split production), shading fence 36 comprises the annular sidewall 36a extended towards pcb board 1 by the bottom periphery of lower cover 35, the second cavity volume 31b is formed between the bottom surface of lower cover 35, annular sidewall 36a and pcb board 1, infrared emission tube and photosensitive receiving tube are contained in this second cavity volume 31b, can avoid so each to luminescence to the mutual interference between pipe 2, improve each to the stability of luminescence to the light path 2a that pipe 2 is formed.Switch shaft 32, can be arranged in this first cavity volume 31a up and down relatively movably, switch shaft 32 can move down and block light path 2a by pressurized when pressing, after light path 2a between infrared emission tube and photosensitive receiving tube is blocked, luminescence at this place to only have between pipe 2 launch and without reception, signal processing circuit sends input signal to control circuit, to realize the input of button.The top of switch shaft 32 is stretched out by the end face of upper cover 34, and the bottom of switch shaft 32 is formed with one to downward-extension and passes the bottom surface of lower cover 35 when switch shaft 32 is depressed and block the guide pillar 37 of light path 2a.Lower cover 35 bottom center and in this first cavity volume 31a, be formed with the circular guide table 38 raised up, the end face of circular guide table 38 offers the through slot that the bottom for guide pillar 37 is inserted, and the diameter of through slot and the diameter of guide pillar 37 match.Elastic reset part 33 is spring, one end of spring is connected to the periphery of circular guide table 38, and the other end is sheathed on the periphery of this guide pillar 37, and during switch shaft 32 pressurized, holddown spring makes spring compressive deformation, after switch shaft 32 unclamps, the rapid resilience of spring to move up reset with driving switch axle 32.
Clash into pcb board 1 to prevent switch shaft 32 stroke excessive, pcb board 1 forms clearance structure 11 between each infrared emission tube and the photosensitive receiving tube relative with this infrared emission tube.In the present embodiment, clearance structure 11 is for being opened in the through hole of pcb board 1 (certainly, also can be blind hole), like this, when switch shaft 32 moves down, its bottom is through lower cover 35 bottom surface and block the light path 2a formed infrared emission tube and photosensitive receiving tube, simultaneously when shift motion is excessive, the bottom of switch shaft 32 is stretched in corresponding through hole, to prevent from directly impacting pcb board 1, causes the function of pcb board 1 to be damaged.
Embodiment two
Only elaborate to the difference in embodiment one below in conjunction with accompanying drawing.
As shown in Figure 4 and Figure 5, in the present embodiment, hollow shaft switch 3 is blue or green axle or tea axle, blue or green axle paragraph sense and clear and melodious, and sound is clear exactly likes plectrum switch, tea axle paragraph sense comparatively insensitiveness.Therefore, the guide pillar 37 of switch shaft 32 is arranged with slide block 39 in this first cavity volume 31a, slide block 39 can slide up and down by this guide pillar 37 relatively at guide pillar 37, and the side of slide block 39 outwards and extended to form a skew wall structure 39a downwards.Lower cover 35 is provided with shell fragment 30 in this first cavity volume 31a, side near switch shaft 32 on shell fragment 30 is formed with protruding 30a, slide when switch shaft about 32 relative movement and protruding 30a abut against, namely can push up the protruding 30a on pressure shell fragment 30 when upper and lower relative movement, form mechanical feel.
Embodiment three
Only elaborate to the difference in previous embodiment below in conjunction with accompanying drawing.
As shown in Figure 6 and Figure 7, in the present embodiment, in order to make keyboard font bright and colourful, pcb board 1 is also provided with LED light source, LED light source comprises the LED lamp bead 4 outside the annular sidewall 36a being separately positioned on each shading fence 36, LED lamp bead 4 to be directly welded on pcb board 1 and to be electrically connected with pcb board 1, and powered by the power circuit of pcb board 1, LED lamp bead 4 can adopt RGB LED lamp bead 4.The opening 3a supplying the light of LED lamp bead 4 to appear all is offered in the side of each upper cover 34 and the side of each lower cover 35, font on keycap (scheming not shown) adopts light transmissive material to make, the light of LED lamp bead 4 can be appeared by the font of keycap, form bright and colourful color, to adapt to consumer in need.
Embodiment four
Elaborate to the difference in previous embodiment below.
In the present embodiment, infrared emission tube and photosensitive receiving tube are installed in lower cover 35, form light path 2a between the two and be positioned at lower cover 35 and blocked by the guide pillar 37 of switch shaft 32 in time being energized.Guide pillar 37 offers the loophole passed for light path 2a.When switch shaft 32 is depressed, guide pillar 37 moves down, when loophole is displaced downwardly to light path 2a position, the light path 2a of infrared emission tube and photosensitive receiving tube is conducted by the loophole on guide pillar 37, like this, photosensitive receiving tube accepts light signal and converts the signal of telecommunication to, is then directly exported by the signal of telecommunication, achieve conversion and the transmission of " electrical-optical-electricity ", thus achieve the input of button.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. hollow to a tubular axis keyboard, it is characterized in that: comprise surface and be provided with multipair luminescence to the pcb board of pipe and be arranged on described pcb board and there is described luminescence on the side of pipe and with multipair described luminescence to pipe respectively multiple hollow shaft switch one to one; The often pair of described luminescence light-sensitive element is included to pipe and be oppositely arranged with described light-sensitive element and in time being energized to this light-sensitive element emission of light to make to be formed the light-emitting component of light path between the two; Each described hollow shaft switch include housing, for press and move down when pressurized and conducting or block described light path with is formed signal input switch shaft and for driving described switch shaft to move up the elastic reset part of reset, there is in described housing the first cavity volume for installing described switch shaft.
2. according to claim 1 hollow to tubular axis keyboard, it is characterized in that: described light-emitting component is infrared emission tube, described light-sensitive element is photosensitive receiving tube.
3. according to claim 2 hollow to tubular axis keyboard, it is characterized in that: described pcb board is formed with the clearance structure preventing described switch shaft from clashing into described pcb board between each described infrared emission tube and the described photosensitive receiving tube relative with this infrared emission tube.
4. according to claim 3 hollow to tubular axis keyboard, it is characterized in that: described clearance structure is the through hole or the blind hole that are opened in described pcb board.
5. according to any one of claim 1 to 4 hollow to tubular axis keyboard, it is characterized in that: each described housing includes upper cover and lower cover, enclose between described upper cover and described lower cover and form described first cavity volume, the top of described switch shaft is stretched out by the end face of described upper cover, and the bottom of described switch shaft is formed with one to downward-extension and passes the bottom surface of described lower cover when described switch shaft is depressed and block the guide pillar of described light path.
6. according to claim 5 hollow to tubular axis keyboard, it is characterized in that: cover under described and be provided with shell fragment in this first cavity volume, the side near described switch shaft on described shell fragment is formed with projection; The described guide pillar of described switch shaft is arranged with slide block, the skew wall structure that described slide block has when the upper and lower relative movement of described switch shaft and described projection abuts against, described skew wall structure by described slide block side outwards and extend to form downwards.
7. according to claim 5 hollow to tubular axis keyboard, it is characterized in that: the bottom center of described lower cover and be formed with the circular guide table raised up in this first cavity volume, the end face of described circular guide table offers the through slot that the bottom for described guide pillar is inserted; Described elastic reset part is spring, and described spring one end is connected to the periphery of described circular guide table, and the other end is sheathed on the periphery of described guide pillar.
8. according to claim 5 hollow to tubular axis keyboard, it is characterized in that: the bottom of described lower cover is formed with shading fence, described shading fence comprises the annular sidewall extended towards described pcb board by the bottom periphery of described lower cover, is formed and be used for accommodating described luminescence to the second cavity volume of pipe between described lower cover, described annular sidewall and described pcb board.
9. according to claim 8 hollow to tubular axis keyboard, it is characterized in that: described pcb board is also provided with LED light source, described LED light source comprises the LED lamp bead outside the described annular sidewall being separately positioned on each described shading fence.
10. according to claim 9 hollow to tubular axis keyboard, it is characterized in that: the opening supplying the light of described LED lamp bead to appear all is offered in the side of each described upper cover and each described lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064963.8U CN204441139U (en) | 2015-01-29 | 2015-01-29 | Hollow to tubular axis keyboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064963.8U CN204441139U (en) | 2015-01-29 | 2015-01-29 | Hollow to tubular axis keyboard |
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| CN204441139U true CN204441139U (en) | 2015-07-01 |
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| CN201520064963.8U Active CN204441139U (en) | 2015-01-29 | 2015-01-29 | Hollow to tubular axis keyboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105006396A (en) * | 2015-07-13 | 2015-10-28 | 东莞市美光达光学科技有限公司 | Switch module of ultrathin reflective computer input equipment |
| CN105406853A (en) * | 2015-12-18 | 2016-03-16 | 东莞市高特电子有限公司 | Modular photoelectric switch |
| CN105429620A (en) * | 2015-12-18 | 2016-03-23 | 东莞市高特电子有限公司 | Modular photoelectric switch keyboard button |
| WO2017035934A1 (en) * | 2015-08-31 | 2017-03-09 | 东莞市名键电子科技有限公司 | Photoelectric keyboard button |
| CN107895667A (en) * | 2017-12-21 | 2018-04-10 | 东莞市极制电子科技有限公司 | A kind of modified electromechanics detached keyboard |
| WO2018107356A1 (en) * | 2016-12-12 | 2018-06-21 | 深圳市煌兆铭科技有限公司 | Photoelectric mechanical switch, mechanical keyboard and accelerated execution method |
| CN108447720A (en) * | 2018-03-29 | 2018-08-24 | 上海贝思特电气有限公司 | A kind of long stroke lever construction elevator button |
| US10637470B2 (en) | 2018-01-05 | 2020-04-28 | Darfon Electronics Corp. | Optical keyswitch |
| CN112527124A (en) * | 2020-12-18 | 2021-03-19 | 深圳市柯瑞光电科技有限公司 | Single geminate transistor reflection keyboard |
| US11018667B2 (en) | 2018-01-05 | 2021-05-25 | Darfon Electronics Corp. | Optical keyswitch |
| US11373822B2 (en) | 2020-06-04 | 2022-06-28 | Hewlett-Packard Development Company, L.P. | Keyboard key switches |
| US11557444B2 (en) | 2020-06-04 | 2023-01-17 | Hewlett-Packard Development Company, L.P. | Keyboard key switches |
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| CN105006396A (en) * | 2015-07-13 | 2015-10-28 | 东莞市美光达光学科技有限公司 | Switch module of ultrathin reflective computer input equipment |
| WO2017035934A1 (en) * | 2015-08-31 | 2017-03-09 | 东莞市名键电子科技有限公司 | Photoelectric keyboard button |
| CN105406853A (en) * | 2015-12-18 | 2016-03-16 | 东莞市高特电子有限公司 | Modular photoelectric switch |
| CN105429620A (en) * | 2015-12-18 | 2016-03-23 | 东莞市高特电子有限公司 | Modular photoelectric switch keyboard button |
| JP2017112092A (en) * | 2015-12-18 | 2017-06-22 | ▲東▼莞市高特▲電▼子有限公司Ｄｏｎｇｇｕａｎ Ｇａｏｔｅ Ｅｌｅｃｔｒｏｎｉｃｓ ＣＯ．，ＬＴＤ | Modular photoelectric-switch keyboard key |
| EP3185423A1 (en) * | 2015-12-18 | 2017-06-28 | Dongguan Gaote Electronics Co., Ltd. | Modular photoelectric-switch keyboard key |
| WO2018107356A1 (en) * | 2016-12-12 | 2018-06-21 | 深圳市煌兆铭科技有限公司 | Photoelectric mechanical switch, mechanical keyboard and accelerated execution method |
| CN107895667A (en) * | 2017-12-21 | 2018-04-10 | 东莞市极制电子科技有限公司 | A kind of modified electromechanics detached keyboard |
| US11108393B2 (en) | 2018-01-05 | 2021-08-31 | Darfon Electronics Corp. | Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap |
| US10637470B2 (en) | 2018-01-05 | 2020-04-28 | Darfon Electronics Corp. | Optical keyswitch |
| US11018667B2 (en) | 2018-01-05 | 2021-05-25 | Darfon Electronics Corp. | Optical keyswitch |
| US11770123B2 (en) | 2018-01-05 | 2023-09-26 | Darfon Electronics Corp. | Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board |
| US11855624B2 (en) | 2018-01-05 | 2023-12-26 | Darfon Electronics Corp. | Optical switch comprising a movable member to rotate in response to movement of a support mechanism to change the intensity of received optical signal |
| CN108447720A (en) * | 2018-03-29 | 2018-08-24 | 上海贝思特电气有限公司 | A kind of long stroke lever construction elevator button |
| US11373822B2 (en) | 2020-06-04 | 2022-06-28 | Hewlett-Packard Development Company, L.P. | Keyboard key switches |
| US11557444B2 (en) | 2020-06-04 | 2023-01-17 | Hewlett-Packard Development Company, L.P. | Keyboard key switches |
| CN112527124A (en) * | 2020-12-18 | 2021-03-19 | 深圳市柯瑞光电科技有限公司 | Single geminate transistor reflection keyboard |
| US11735379B2 (en) | 2021-04-07 | 2023-08-22 | Darfon Electronics Corp. | Keyswitch assembly |
| US11721500B2 (en) | 2021-04-07 | 2023-08-08 | Darfon Electronics Corp. | Keyswitch assembly and support mechanism thereof |
| WO2023103836A1 (en) * | 2021-09-09 | 2023-06-15 | 东莞市凯华电子有限公司 | New optical switch keyboard |
| US11923159B2 (en) | 2021-12-16 | 2024-03-05 | Darfon Electronics Corp. | Keyswitch structure and keycap support mechanism thereof |
| US11978598B2 (en) | 2021-12-16 | 2024-05-07 | Darfon Electronics Corp. | Keyswitch structure and lift mechanism thereof |
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Effective date of registration: 20160601 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Yi Yuan Lu Tian Xia Ma Liuzhou Industrial Park (formerly 27-29) 2-012 room Patentee after: SHENZHEN JINGTAI ELECTRONIC Co.,Ltd. Address before: 332200 Jiangxi Province, Jiujiang Ruichang City hung high Lucun Nancheng 6 group to the countryside Patentee before: Xu Xiaohai |
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| IP01 | Partial invalidation of patent right |
Commission number: 5W118099/5W120128/5W117919/5W123980 Conclusion of examination: Declare claims 3-7 of utility model number 201520064963.8 invalid, and continue to maintain the validity of the patent on the basis of claims 8-10 Decision date of declaring invalidation: 20211203 Decision number of declaring invalidation: 52894 Denomination of utility model: Hollow tube axis keyboard Granted publication date: 20150701 Patentee: SHENZHEN JINGTAI ELECTRONIC Co.,Ltd. |
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| IP01 | Partial invalidation of patent right |