Auto-focus built-in camera
US4432621A · kind A · utility
6Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1982 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Jan 8, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/002
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An auto-focus built-in camera characterized by the arrangement of a range finding system for auto-focus utilizing the space between the film supply chamber and the film takeup chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.