US PATENT SUBCLASS 396 / 104
.~ Reliability of focus/distance signal


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}
104.~ Reliability of focus/distance signal


DEFINITION

Classification: 396/104

Reliability of focus/distance signal:

(under subclass 89) Subject matter including a circuit for judging a performance of focusing or rangefinding.