Filter lens device for optical color scanner
US5122911A · kind A · utility
9Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 1990 |
| Grant date | Jun 16, 1992 |
| Priority date | — |
| Expiry date | Aug 15, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/10
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A filter lens device for an optical color scanner comprising a lens, at least three filters and a driving member to drive the filters to line up with scanned data and optical detectors wherein an entire document is scanned completely for each color to be reproduced. A position detecting member detects the relative positions between the filters and optical detectors, a position controlling member controlling the driving member such that the filters are moved in sequence to scan the document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.