Illuminated switch
US5669486A · kind A · utility
47Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 16, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | May 16, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A illuminated switch where a coned disc spring embossed into a dome shape with transparent thermoplastic resin is used on the top surface of a surface illuminant layer such as an EL element and where a feeling of click and better illumination are obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.