US PATENT SUBCLASS 396 / FOR 729
.~ Having plural photocells (354/429)


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

FOR 710  DF  AUTOMATIC EXPOSURE CONTROL SYSTEM OR DEVICE (354/410) {8}
FOR 729.~ Having plural photocells (354/429) {5}
FOR 730  DF  .~.~> Measuring special property of light or subject (e.g., color, speed, etc.) (354/430)
FOR 731  DF  .~.~> Having light reflected from film or shutter (354/431)
FOR 732  DF  .~.~> Having more than two cells (354/432)
FOR 733  DF  .~.~> Having only two cells measuring light directly from subject (354/433)
FOR 734  DF  .~.~> Having only two cells used to control exposure time (354/434)


DEFINITION

Classification: 396/FOR.729

Having plural photocells: (354/429)

Subject matter under subclass FOR 710 having more than one light responsive device.