US PATENT SUBCLASS 396 / 92-- .~.~ By selecting effective photoelements

US PATENT SUBCLASS 396 / 92
.~.~ By selecting effective photoelements

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}
91	DF	.~ Lens characteristic compensating {3}
92		.~.~ By selecting effective photoelements

DEFINITION

Classification: 396/92

By selecting effective photoelements:

(under subclass 91) Subject matter including means to choose appropriate photosensitive elements for a condition of the exposure objective.

SEE OR SEARCH THIS CLASS, SUBCLASS:

100, for dual purpose photoelement in exposure objective focusing means or rangefinding means.

111, for optical detail with photoelement system in exposure objective focusing means or rangefinding means.

172, for photocell measuring the light output of an artificial illumination means.

SEE OR SEARCH CLASS

250, Radiant Energy,

200+, for generic photocell circuits.