US PATENT SUBCLASS 396 / FOR 749
.~.~ Direct drive galvanometer type (354/449)

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 749.~.~ Direct drive galvanometer type (354/449) {1}
FOR 750  DF  .~.~.~> Having bridge circuit (354/450)

DEFINITION

Classification: 396/FOR.749

Direct drive galvanometer type: (354/449)

Subject matter under subclass FOR 746 in which the rotation of a galvanometer controlled by the circuit is directly transmitted via a shaft or gear train for moving the diaphragm to a specific aperture.