Title:
EXPOSURE CONTROL DEVICE FOR CAMERAS
Document Type and Number:
WIPO Patent Application WO/1981/001885
Kind Code:
A1
Abstract:
An exposure control device for a camera, which includes an iron member (2) whose attraction and repelling positions are controlled over more than three stages by an electromagnet (1), and a mechanism for controlling the exposure in accordance with the position of the iron member. The mechanism for controlling the exposure consists of exposure controlling members (7, 10) disposed at positions corresponding to the iron piece member, and an exposure determining member (15) whose stopping position is controlled in accordance with the displaced position of the exposure controlling members.
Inventors:
ISHIGURO Y (JP)
Application Number:
PCT/JP1980/000315
Publication Date:
July 09, 1981
Filing Date:
December 19, 1980
Export Citation:
Assignee:
COPAL CO LTD (JP)
KONISHIROKU PHOTO IND (JP)
ISHIGURO Y (JP)
KONISHIROKU PHOTO IND (JP)
ISHIGURO Y (JP)
International Classes:
G03B7/10; G03B9/00; G03B7/087; G03B9/02; (IPC1-7): G03B9/00; G03B7/00
Foreign References:
| JPS4750174B1 | ||||
| US3491664A | 1970-01-27 |
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