US PATENT SUBCLASS 396 / FOR 747
.~.~ Clamp or stop needle type (354/447)

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  DF  .~ Having circuit for controlling diaphragm only (354/446) {7}
FOR 747.~.~ Clamp or stop needle type (354/447)

DEFINITION

Classification: 396/FOR.747

Clamp or stop needle type: (354/447)

Subject matter under subclass FOR 746 in which the specific maximum aperture is set by a follower making mechanical contact with the needle of a galvanometer which is controlled by the circuit.