Photographic apparatus with sequencing system
US4047192A · kind A · utility
11Cited by
10References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1975 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Mar 3, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic apparatus including a "sequencing system" for initiating and controlling the orderly performance of functions in a cycle of apparatus operation that includes the exposing and processing of a self-developing film unit. The "sequencing system" includes a sequencing gear which makes a single revolution during the operating cycle and preferably initiates, controls and/or performs the function of selectively latching and unlatching a shutter, operating an electrical power switch, operating a film advance device and indexing a film counting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.