Rubber contact switch
US5659161A · kind A · utility
1Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1996 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | May 21, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10651
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a rubber contact switch in which ends of lead lines of an LED extend to the rear surface of a printed board through holes of a rubber contact sheet to be soldered on the printed board, a recessed portion is formed in the peripheral portions of the holes on the rear surface of the rubber contact sheet, and heat generated by soldering of the lead lines is prevented from being directly transmitted to the rubber contact sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.