Device for thermally recording a cathode-ray tube image
US3938164A · kind A · utility
12Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1974 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Aug 29, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device for recording a cathode-ray tube image comprising means for detecting temperatures of a thermal developing device and means for controlling either brightness of the cathode-ray tube or light emission time or a combination thereof. The change in developing temperature may be corrected by electrical means. The device provides prints of uniform density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.