Electric manual switching device having environmentally protected components
US4803323A · kind A · utility
32Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1987 |
| Grant date | Feb 7, 1989 |
| Priority date | — |
| Expiry date | Jan 30, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an electric manual switching device, a printed circuit board is to be protected from environmental influences. For this purpose, a foil continuously extending over the printed circuit board is provided in the switch housing between switching contacts and pushbuttons. The foil can be a flat component or a part shaped like a bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.