Sequencing means for photocopying processes
US4712907A · kind A · utility
12Cited by
45References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1985 |
| Grant date | Dec 15, 1987 |
| Priority date | — |
| Expiry date | Nov 1, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/04018
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic printing machine for reproducing an original document with a copy thereof having additional indicia thereon. A means such as a movable occluder bar is used to mask a region of photoconductive member from the illuminating means to prevent discharge at that region. Then a means to discharge selectively the masked region reocrds a latent image corresponding to the additional indicia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.