Time fuse for high pressure sodium lamps
US4599543A · kind A · utility
5Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1986 |
| Grant date | Jul 8, 1986 |
| Priority date | — |
| Expiry date | Jan 27, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/56
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high pressure sodium vapor lamp having a time fuse device effective for predeterminedly establishing the anticipated life of the high pressure lamp is disclosed. Also disclosed are various embodiments of the time fuse device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.