Image forming apparatus with automatic regulation in response to image density
US4684239A · kind A · utility
6Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1985 |
| Grant date | Aug 4, 1987 |
| Priority date | — |
| Expiry date | Aug 16, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A copying machine in which image forming conditions such as developing bias voltage is automatically regulated in response to the detected image density of the original document and to the sensitivity characteristics of the photosensitive drum, in order to obtain an optimum copy image regardless of the change in the sensitivity of photosensitive drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.