Electrophotographic apparatus
US4679931A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1986 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Sep 15, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/041
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic apparatus has illuminating means for illuminating an original, scanning means for scanning the original, imaging means for imaging the reflected light or the transmitted light from the original on a light-receiving member, the imaging means having at least one variable refractive power element, control means for varying the refractive power of the variable refractive power element, and driving means for moving the light-receiving member in synchronism with the scanning of the original.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.