Scanning exposure device
US5227846A · kind A · utility
4Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1991 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Mar 5, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/1008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A scanner having a carriage (13) with a glass plate (52) for supporting an original document to be scanned while moving past an exposure opening, in which the glass plate is vertically displaceable against yieldable supporting springs mounted on a frame (47) of the carriage and is downwardly biased into contact with two lateral guide wheels (71,72) that are provided near the lateral ends of the exposure opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.