Illuminated pushbutton assembly
US4179594A · kind A · utility
7Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1978 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Sep 12, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10303
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pushbutton assembly illuminated with a plurality of solid state light sources, such as LEDs. The pushbutton assembly includes first and second spaced printed circuit boards which are electrically interconnected via electrical leads which also function to mechanically support the second printed circuit board from the first printed circuit board. The LEDs are mounted on the second printed circuit board, immediately adjacent to the front portion of the pushbutton assembly to be illuminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.