Keyboard structure
US11295910B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 22, 2020 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Dec 22, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2239/008
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard structure including a base, at least one key and an electronic element is provided. The key is disposed on the base and sequentially includes a cap, a limiting structure, an elastic member and a membrane switch from top to down, wherein the elastic member is disposed on the membrane switch, the cap is disposed on the elastic member, and the limiting structure connects the cap and the base, such that the cap is configured to move relative to the base in a vertical direction. The electronic element is disposed on the membrane switch and is surrounded by an electrostatic protection zone, wherein the membrane switch has a hole corresponding to the electrostatic protection zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.