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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.