Photoflash lamp array having contoured sheet shield
US4167773A · kind A · utility
1Cited by
1References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1977 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Aug 18, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B15/0442
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A photoflash lamp array comprising a plastic housing containing flash lamps having lead-in wires connected to a circuit board carrying switching circuitry for sequentially firing the flash lamps. A combined shield and flash indicator sheet is positioned between the circuit board and the rear of the housing and is contoured to have side portions extending along the side walls of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.