Low wattage metal halide arc discharge lamp
US4321504A · kind A · utility
14Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1980 |
| Grant date | Mar 23, 1982 |
| Priority date | — |
| Expiry date | Mar 24, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A low wattage metal halide arc discharge lamp has a press seal at one end thereof with two main electrodes sealed therein. The ratio of the distance from an electrode tip to the nearest arc tube wall over the arc length is greater than 0.4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.