Electronically controlled camera
US4855772A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1988 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Mar 25, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electronically controlled camera is provided which has a back cover switch adapted to be turned ON/OFF according to the opening/closing position of a back cover; a back cover switch data detecting device for detecting switch data relating to the back cover switch, at a predetermined cycle, and for outputting such data; an erasable programmable memory for memorizing the switch data output from the back cover switch data detecting device; and a control device for comparing the switch data from the latest cycle output from the back cover switch data detecting device with the switch data from the preceding cycle read from the memory, and for controlling a film advance motor, a display system and the memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.