US PATENT SUBCLASS 396 / 85
.~ Power zoom

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

72  DF  HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE {7}
85.~ Power zoom {2}
86  DF  .~.~> Speed control or step driving
87  DF  .~.~> Having position sensor

DEFINITION

Classification: 396/85

Power zoom:

(under subclass 72) Subject matter wherein a motor drives the exposure objective to change focal length.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and

Elements,

696+, for a variable magnification (e.g., zoom) lens, per se, having motor driven adjustment.