Diaphragm for use in switch, method for manufacturing thereof, membrane switch, and input device
US7301113B2 · kind B2 · utility
59Cited by
28References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2005 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Nov 7, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H13/48
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dome-shaped diaphragm includes a convex portion; a base portion provided on an outer periphery of the convex portion; and a pressing force reducing portion provided in at least one of the convex portion and the base portion. Examples of the pressing force reducing portion may be a hole portion, a reduced thickness portion or any other feature that reduces the pressing force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.