Superimposing device for use in a data-recording camera
US4109260A · kind A · utility
3Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1977 |
| Grant date | Aug 22, 1978 |
| Priority date | — |
| Expiry date | Nov 17, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/243
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A superimposing device includes a first optical path for projecting an image of an object to be photographed on a film surface, a second optical path for projecting data on the film surface at one portion thereof, and a blocking member for blocking the first optical path for forming a shaded portion at the one portion of the film during the exposure of the object image on the film, so that the data are clearly and definitely imprinted on the one portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.