Automatic film sensitivity setting device for cameras
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United States of America Patent
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Apr 28, 1987
Issued Date -
N/A
app pub date -
Jun 13, 1986
filing date -
Sep 7, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic film sensitivity setting device for cameras in which film sensitivity indicated in coded form on a loaded film package is automatically read in by electric signal terminals and introduced to an exposure control circuit as a parameter for the calculation and control of exposure, characterized in that the device is arranged to elect a predetermined specific film sensitivity in the absence of valid coded information of film sensitivity on a film case of the package, and in the case of an ordinary film package without the coded information, to elect a predetermined specific film sensitivity in the absence of information in any one of the electric signal terminals.
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