Photographic camera with a frame counter in the back
US5832322A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1996 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | Sep 13, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera includes a main body having a first cavity for receiving a film cartridge and a second cavity for receiving film withdrawn from the film cartridge, a metering apparatus mounted within the main body for metering the film, one frame at a time, between the first and second cavities and across a film exposing area, a back cover covering the first and second cavities and the film exposing areas, the metering apparatus having a member that projects toward the back cover when the film is metered and an indexable film frame counter disposed on the back cover and having frame number indicia viewable by a user via a window in the back cover. The frame counter being engageable by the member when the film is metered and indexing in response thereto to display a next frame number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.