Image reading apparatus with split position detection
US5412201A · kind A · utility
4Cited by
1References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1993 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | May 18, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/02493
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image reading apparatus is provided with a scanning optical system movable to scan an original, the scanning optical system having a slit for passing therethrough part of light from the original, a sensor for reading the light passed through the slit, and detecting means for detecting the relative positional relationship between the slit and the sensor. The detection by the detecting means is effected at a plurality of detecting positions in the direction of movement of the scanning optical system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.