Lens-fitted photographic film unit with electronic flash equipment
US5550607A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 1, 1994 |
| Grant date | Aug 27, 1996 |
| Priority date | — |
| Expiry date | Nov 1, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2219/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens-fitted photographic film unit in which an unexposed photographic film has been loaded in advance, has a main body to which the unexposed film and an electronic flash unit including an electronic flash circuit is attachable. The film unit further includes a sector provided on the main body, for exposing the film by an opening and closing movements of the sector responsive to a release operation, and a connecting unit having a first and a second electrically conductive members disposed to face and to be in spaced relation with each other. Each of the members includes a first tip end and a second tip end opposite to the first tip end. Each of the first tip ends is electrically in contact with the electronic flash circuit when the unit is attached to the main body. Further, when the operation is conducted, the second tip end of the first member is forced to move in accordance with an opening movement of the sector to come in contact with the second tip end of the second member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.