Scanning method and apparatus
US4558372A · kind A · utility
8Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1984 |
| Grant date | Dec 10, 1985 |
| Priority date | — |
| Expiry date | Jan 19, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04796
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A document scanner compensates for mechanical misalignment between a document and a photosensitive array by storing pixel information from the array and timing the output of such information in accordance with stored offset values which represent the mechanical misalignment for successive relative positions of the document and of the array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.