US PATENT SUBCLASS 396 / FOR 746
.~ Having circuit for controlling diaphragm only (354/446)

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 746.~ Having circuit for controlling diaphragm only (354/446) {7}
FOR 747  DF  .~.~> Clamp or stop needle type (354/447)
FOR 748  DF  .~.~> Ratchet/pawl type (354/448)
FOR 749  DF  .~.~> Direct drive galvanometer type (354/449) {1}
FOR 751  DF  .~.~> Servo motor type (354/451) {1}
FOR 753  DF  .~.~> Including special driving arrangement (354/453)
FOR 754  DF  .~.~> Including irregular diaphragm opening (354/454)
FOR 755  DF  .~.~> Having interchangeable lens (354/455)

DEFINITION

Classification: 396/FOR.746

Having circuit for controlling diaphragm only: (354/446)

Subject matter under subclass FOR 710 including a circuit which is limited solely to controlling the cross sectional area of the admitted light.