US PATENT SUBCLASS 396 / 77
.~ Automatic change of focal length


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

72  DF  HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE {7}
77.~ Automatic change of focal length {1}
78  DF  .~.~> Constant image size


DEFINITION

Classification: 396/77

Automatic change of focal length:

(under subclass 72) Subject matter wherein the focal length of a camera objective is adjusted in accordance with a sensed condition without operator intervention.