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Key structure

A key and button technology, applied in electrical components, electrical switches, circuits, etc., to solve problems such as light leakage

Active Publication Date: 2014-11-05
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure that the button can be pressed, a certain gap needs to be maintained between the light guide tube and the circuit board, but this gap will cause the problem of light leakage

Method used

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0017] see figure 1 as well as figure 2 A button structure 100 provided by an embodiment of the present invention is disposed on an electronic device 200 , and the electronic device 200 includes a casing 21 , a circuit board 22 and a transparent cover 23 .

[0018] A strip-shaped opening 211 is formed on the casing 21 , and a fixing plate 212 is disposed in the strip-shaped opening 211 , and a plurality of through holes 213 arranged linearly are opened on the fixing plate 212 . The circuit board 22 has a plurality of indicator light sources 221 corresponding to the through holes 213 respectively. The transparent cover 23 is in the shape of a strip, which is fixed on the fixing plate 212 and covers the through hole 213 . The light emitted by the indicator light source 221 is emitted from the transparent cover 23 through the through hole 213 to indicate var...

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Abstract

A key structure is arranged on an electronic device. The electronic device comprises an enclosure and a circuit board arranged in the enclosure. The key structure comprises a button, a light guide tube part, a light emitting element and a switch, wherein the light guide tube part is elastically connected onto the enclosure, the button is buckled and assembled onto the light guide tube part, the light emitting element and the switch are arranged on the circuit board, the button also comprises a trigger part, the switch is arranged opposite to the trigger part, and the light emitting element is arranged opposite to the light guide tube part. When the button is pressed, the trigger part triggers the switch, the light emitting element is lit, and the light guide tube part transmits light rays emitted from the light emitting element to the button. The key structure also comprises a baffle wall, the baffle wall protrudes and extends from the inner side of the enclosure and abuts against the circuit board, and the baffle wall encircles the light emitting element so as to prevent light leakage.

Description

technical field [0001] The invention relates to a key structure, in particular to a light-transmitting key structure. Background technique [0002] Generally, electronic devices such as computers are provided with a control panel, and the control panel is provided with keys, through which the purpose of operating the electronic equipment can be achieved. At present, the keys of the control panel on the market have gradually tended to the light-transmitting design, and the light-transmitting keys can allow the user to confirm whether the key has been activated normally. The traditional light-transmitting button generally includes a button and a light guide tube arranged under the button. A luminous body is arranged on the circuit board at the bottom of the light guide tube. When the button is pressed, the button triggers the luminous body switch on the circuit board downward. Therefore, the illuminant is lighted, and the light emitted by the illuminant is transmitted to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H13/02H01H13/14H01H9/16
Inventor 彭潜邢波
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD