Magnification selecting device in a photocopier
US4763174A · kind A · utility
2Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1986 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Oct 23, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/502
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A magnification selecting device which is capable of continuously varying magnifications by operating either UP or DOWN key and also slowing down the speed of varying mangifications only when these magnifications are in a position close to the predetermined magnification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.