US PATENT SUBCLASS 396 / 223
.~ Override control
Current as of:
June, 1999
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396 /
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PHOTOGRAPHY
213
DF
EXPOSURE CONTROL CIRCUIT
{23}
223
.~ Override control
DEFINITION
Classification: 396/223
Override control:
(under subclass 213) Subject matter having means to regulate the amount of light reaching the photos:graphic medium to supersede automatic exposure control.