Inflatable keyboard
US5459461A · kind A · utility
98Cited by
13References
21Claims
0Family size
Inventors
Key dates
| Filing date | Jul 29, 1993 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | Jul 29, 2013 |
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.