Discharge lamp device
US5220235A · kind A · utility
112Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1992 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Aug 11, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A discharge lamp device having an insulator base made of a synthetic resin integrally bonded to a globe holding member made of ceramic wherein a discharge lamp is attached. Also provided is a pair of lead supports for supporting the discharge lamp at its opposite ends. The discharge lamp and lead supports are completely surrounded by an ultraviolet ray shielding globe which is fixed to globe holding member. The globe effectively absorbs harmful ultraviolet rays having a wavelength in a predetermined wavelength range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.