Image data reading and processing apparatus
US5146340A · kind A · utility
40Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Jun 17, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/443
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image reading system observes a field of view and forms electrical signals indicating the presence of objects within the field as to location and movement. After ascertaining the area of the field in which an object is located, the system is speeded up by reading signals outside the area at a high rate of speed and those inside the area at a normal rate of speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.