US PATENT SUBCLASS 396 / 97
.~ Temperature compensating

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}
97.~ Temperature compensating

DEFINITION

Classification: 396/97

Temperature compensating:

(under subclass 89) Subject matter having a means to correct for changes in the operation of the focusing or rangefinding means due to changes in temperature of the surrounding atmosphere.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

820, for lens mount with temperature compensation or control.