Image reading apparatus
US5978102A · kind A · utility
20Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1996 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Nov 22, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0434
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image reading apparatus for reading open-faced documents comprises a document table for placing documents, an image sensing device for reading a document placed on said document table, a height detector for detecting height of said document at different positions in the main scan direction, and a displacement mechanism for displacing said image sensing device to accomplish focusing within a plane perpendicular to the subscan direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.