US PATENT SUBCLASS 396 / FOR 741
.~ Having circuit for controlling separate diaphragm and shutter (354/441)

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 741.~ Having circuit for controlling separate diaphragm and shutter (354/441) {4}
FOR 742  DF  .~.~> Having selectable priority (354/442)
FOR 743  DF  .~.~> Having programmed control only (354/443)
FOR 744  DF  .~.~> Having exposure time priority only (354/444)
FOR 745  DF  .~.~> Having aperture priority only (354/445)

DEFINITION

Classification: 396/FOR.741

Having circuit for controlling separate diaphragm and shutter: (354/441)

Subject matter under subclass FOR 710 including a circuit which controls a separate means for limiting the cross sectional area of the admitted light and a separate means for limiting the length of time the film is exposed to the light.