Image scanning system and method with improved repositioning
US5341225A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 1991 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | May 22, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04794
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image scanning system for producing digital data of a predetermined resolution representing a scanned image of an original. The system includes a photosensing array for generating the digital data, a stepper motor having steps of predetermined size for positioning the array with respect to the original, an image buffer for storing the data and control system for synchronizing the scanning and the storing of data at one or more Y-positioning speeds. Scan line extents along the Y-direction are defined by the relationship of the Y-positioning speed to the array exposure time. The scan lines in conjunction with the present invention have boundaries, wherein the boundaries can occur on or between said motor steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.