Key structure with light-guiding function
US12322558B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2022 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | May 4, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2223/058
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In some implementations, a key structure may include a lower shell fixedly connected to a keyboard base. In addition, the device may include an upper shell assembled above the lower shell, where the upper shell is made of transparent plastic material, the upper shell is provided with having a through opening. The device may include a plurality of light guide columns extending downwardly from two sides of the bottom of the upper shell, where the plurality of light guide columns and the plurality of light-emitting sources are arranged opposite to each other. Moreover, the device may include a pressing shaft movably disposed between the lower shell and the upper shell, where a top end of the pressing shaft penetrates through the opening. Also, the device may include a spring disposed and elastically supported between the lower shell and the pressing shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.