Key for flexible keyboard
US5666112A · kind A · utility
130Cited by
16References
7Claims
0Family size
Inventors
Key dates
| Filing date | Aug 18, 1995 |
| Grant date | Sep 9, 1997 |
| Priority date | — |
| Expiry date | Aug 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention includes a flexible, pressurizable keyboard made of resilient layers of plastic material, with molded keys which are deformable when pressed so as to send a signal to an electrical device. The keys are arranged with a flexible electrical circuit thereattached, which when depressed, establish a proper complete circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.