Collision avoidance using optical pattern growth rate
US4257703A · kind A · utility
337Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1979 |
| Grant date | Mar 24, 1981 |
| Priority date | — |
| Expiry date | Mar 15, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S11/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A passive electro-optical collision avoidance system disposed within a moving vehicle for generating a collision avoidance signal. The system comprises a lens, image sensor and image processor wherein the image processor generates a collision avoidance signal in response to the size of the image and its rate of growth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.