US PATENT SUBCLASS 396 / 131
.~ Manually actuated power focus


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

89  DF  WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS {28}
131.~ Manually actuated power focus


DEFINITION

Classification: 396/131

Manually actuated power focus:

(under subclass 89) Subject matter wherein the means for adjusting the exposure objective includes a manually manipulated member (e.g. lever, dial, knob, push button) and a motor (spring or electrical type) responding to the manually manipulated member for displacing the exposure objective for focusing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

68, for manual manipulator in exposure control system responsive to distance.

216, for manual manipulator in exposure control circuit with clamp or stop needle device.

218, for manual manipulator in exposure control circuit with direct drive galvanometer device.

297+, for operator controlled data entry into camera.

391, for a film drive double exposure prevention mechanism having manual override.