Metal halide arc discharge lamp having shielded electrode
US4383197A · kind A · utility
2Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1978 |
| Grant date | May 10, 1983 |
| Priority date | — |
| Expiry date | Nov 2, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A shield is disposed about the electrode of a metal halide arc discharge lamp in order to improve lamp performance. The construction and location of the shield are such as to not lower the cold-spot temperature of the arc tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.