US PATENT SUBCLASS 359 / 821-- .~.~.~ Plural lenses in common carrier selectively operable (e.g., turret type, etc.)

US PATENT SUBCLASS 359 / 821
.~.~.~ Plural lenses in common carrier selectively operable (e.g., turret type, etc.)

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

Internet Version by PATENTEC © 1999 Terms of Use

359 /	HD	OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

642	DF	LENS {32}
811	DF	.~ With support {6}
819	DF	.~.~ Lens mounts {6}
821		.~.~.~ Plural lenses in common carrier selectively operable (e.g., turret type, etc.)

DEFINITION

Classification: 359/821

Plural lenses in common carrier selectively operable (e.g., turret type, etc.):

(under subclass 819) Subject matter including mounting structure for a plurality of lenses and which permits any one of the lenses to be moved in and out of the optical path, together with structure for moving the lenses in and out of the optical path.

(1) Note. Usually the lenses are mounted on a common carrier and operated as a unit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

381, and 421, for compound lens systems with selective power obtained by a common carrier having a plurality of lenses selectively operable.

672+, for lenses of selective focal length by exchangeable lens components or by the addition of such component. See also (1) Note under this subclass.