High brightness, low wattage, high pressure, metal vapor discharge lamp
US4308483A · kind A · utility
10Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1980 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Mar 24, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A single ended, short arc, low wattage, high pressure, metal vapor discharge lamp is electrode stabilized and employs arc constrictors selected from the group of lanthanides, actinides and thorium to provide a brightness of 175,000 cd/in.sup.2 when operated at 75 watts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.