Light source device for use in a copying machine
US4937616A · kind A · utility
3Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1989 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | May 17, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/04036
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light source device for use in a color copying machine comprises a plurality of light source lamps having different efficiencies respectively and means for lighting any number of light source lamp or lamps among said plural light source lamps depending on the luminous energy of the respective blue, green and red spectrums and/or the spectral sensitivity of the photosensitive member for said respective spectrums.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.