Radiological installation with adjustable transmission optical attenuator
US4749257A · kind A · utility
22Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1986 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Apr 16, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05G1/64
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A radiological installation with dynamic compensation in the optical path of the image, with an optical attenuator with locally adjustable transmission placed at least in the vicinity of a focal plane in which the radiological image is formed situated upstream of the television camera of the image acquisition chain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.