Auto/manual focus control inhibit/override
US4319820A · kind A · utility
12Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1979 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Mar 29, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/40
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a variable focus lens system in general, or in a photographic camera having such a system in particular, wherein said system includes means for both automatically and manually focusing a subject image at a focal plane, means are provided for disabling the operation of said automatic focusing means during manual focus and immediately prior thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.