Keycaps having reduced thickness
US9704670B2 · kind B2 · utility
19Cited by
150References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2014 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Sep 30, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2227/036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illuminated glass keycap having a glyph diffuser layer that may diffuse light through a glyph window opened in a background layer. The background layer may be opaque and the glyph window may be transparent. The keycap is adhered to a scissor mechanism positioned above electrical switch circuitry. Included within, below, or adjacent to the scissor mechanism may be one or more light sources positioned to emit light through the keycap, around the perimeter of the keycap, and/or through the background layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.