Color copier
US4638372A · kind A · utility
23Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1984 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | Sep 26, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/506
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A copier capable of producing both color images and monochrome images is disclosed, which comprises a platen for mounting thereon a manuscript, a scanner unit adapted to reciprocate relative to the platen and generate image signals divided in three primary colors by reading the manuscript for each line or for each set of a plurality of lines, four thermal heads for receiving image signals and, in response thereto, selectively actuating heat generation elements, means for supplying the thermal heads with ink donor films of four colors including black, and means for effecting thermal transfer printing on record paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.