Device for recording data on film of a camera
US4453814A · kind A · utility
6Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1981 |
| Grant date | Jun 12, 1984 |
| Priority date | — |
| Expiry date | Dec 10, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/243
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In the disclosed camera, a data recording device detecting arrangement is set for detecting the spectrographic characteristics of image light at a data recording position on a film and a data recording light emitting arrangement is set for recording the data with a color whose spectrographic characteristics are different from that of the detected color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.