Vapor discharge lamp assembly
US4485333A · kind A · utility
14Cited by
11References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 28, 1982 |
| Grant date | Nov 27, 1984 |
| Priority date | — |
| Expiry date | Apr 28, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J65/046
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A miniaturized vapor discharge lamp assembly that includes a light transmissive bulb containing a buffer gas and a vaporizable light radiating substance such as rubidium. Lamp excitation is provided by the use of a capacitor in the lamp assembly in conjunction with an RF oscillator. The capacitor establishes a substantially longitudinal electric field which ionizes the rubidium vapor to cause emission of light. The need for an RF excitation coil is eliminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.