Manual drive control system for a camera
US6132111A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 10, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Aug 10, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B29/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A manual film drive control system for a camera having a manual film drive, the control system comprising a film drive actuation means (85) and a film drive direction switch (90), the film drive actuation means being movable in two directions, movement in the first direction causing the film drive to move in a film advance direction and movement in a second direction causing the film drive to move in a film rewind direction, the film drive direction switch being moveable between a film advance mode in which it allows the film drive actuation means to move in the first direction but not in the second direction and a film rewind mode in which it allows the drive actuation means to move in the second direction, but not in the first direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.