Automatic focusing system with interchangeable lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 20, 1983
Grant Date -
N/A
app pub date -
Mar 26, 1982
filing date -
Apr 3, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the disclosed system, an accessory unit arranged to hold a power source operates with a camera and a current supply circuit supplies current to electrical parts in a controllable interchangeable lens through electrical connection means in the lens in response to closure of the camera's release switch when the accessory unit and the lens are attached to the camera.
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Family
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Cited Art Landscape
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