Copying apparatus
US4990953A · kind A · utility
4Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 26, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | May 26, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2227/325
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A copying apparatus in which a light receiving sheet is used is provided with a density level setting switch for setting the density level of a copy image, and an illuminance controller for adjusting both the luminous intensity and scanning speed of an optical system, in accordance with the density level. A copying apparatus may be provided with an input switch for inputting the sensitivity of a light receiving sheet, and a controller for adjusting both the scanning speed of said optical system and the speed of the process for forming a copy image, in accordance with the sensitivity of the light receiving sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.