Key module, keyboard and electronic device using same
AssigneesLite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
InventorsWei-Pin CHUANG, Ming-Fu YEN, Jian-Jhih CHEN
Life of this patent
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Abstract
A key module, a keyboard and an electronic device using same are provided. The key module includes a substrate, a light receiver, a light emitter and a lifting mechanism. The light receiver is disposed on and electrically connected with the substrate. The light emitter is disposed on and electrically connected with the substrate and disposed opposite to the light receiver. The lifting mechanism is disposed on the substrate and includes an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.
Claims31
A key module, comprises:
- a substrate;
- a light receiver disposed on and electrically connected with the substrate;
- a light emitter disposed on and electrically connected with the substrate and disposed opposite to the light receiver;
- and
- a lifting mechanism disposed on the substrate and comprising an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.
A keyboard, comprises:
- a substrate;
- a plurality of key modules, disposed on the substrate and each comprising:
- a light receiver disposed on and electrically connected with the substrate;
- a light emitter, disposed on and electrically connected with the substrate and disposed opposite to the light receiver;
- and
- a lifting mechanism disposed on the substrate and comprising an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.
An electronic device, comprises:
- a host;
- and
- a keyboard comprises:
- a substrate;
- and
- a plurality of key modules, disposed on the substrate and each comprising:
- a light receiver disposed on and electrically connected with the substrate;
- a light emitter, disposed on and electrically connected with the substrate and disposed opposite to the light receiver;
- and
- a lifting mechanism disposed on the substrate and comprising an interrupting portion, wherein the interrupting portion is movable to a region between the light receiver and the light emitter.
Dependencies are inferred from the claim text.