Copying machine
US4505574A · kind A · utility
19Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1983 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Mar 10, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00814
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A copying machine includes sensors and logic circuitry for determining the size or presence of an original placed thereon. According to the size of the original, the scanning length and the size of the recording medium may be determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.