Compact fluorescent lamp assembly
US4845408A · kind A · utility
3Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1988 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Jan 19, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fluorescent lamp assembly for operation from a source of AC line voltage. The assembly includes a fluorescent lamp having an arc length not greater than about 120 mm and an envelope which includes at least one constricting portion located therein for constricting the plasma discharge to provide an increase in the lamp voltage. Also included is a lead-type ballasting means which comprises a capacitor in one embodiment connected in series with the lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.