Extensive field camera
US4456327A · kind A · utility
2Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1981 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Apr 28, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A camera in accordance with the invention comprises a coherent light source from which is formed an object illuminating beam and a pumping radiation beam, and an interaction medium for receiving the pumping wave and the imaged wave reflected from the illuminated object. This medium diffracts in real time a replica of the imaged wave which is reflected from the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.