Data imprinting device for a camera
US4643549A · kind A · utility
3Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1985 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | Feb 25, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/243
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A data imprinting device having an input lock switch responsive to external pressure for rendering unable the input of imprinting data by an input switch, wherein the input switch and the input lock switch controls the operation of a lamp for illuminating the imprinting data in such a way that the illumination differs between when the input is unable and when the data has been input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.