US PATENT SUBCLASS 352 / 175-- .~.~ Having timed run

US PATENT SUBCLASS 352 / 175
.~.~ Having timed run

Current as of: June, 1999
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352 /	HD	OPTICS: MOTION PICTURES

166	DF	CAMERA AND/OR PROJECTOR DRIVE MECHANISMS {14}
174	DF	.~ With starting and/or stopping means {3}
175		.~.~ Having timed run

DEFINITION

Classification: 352/175

(under subclass 174) Subject matter which includes means to limit the duration of the run of the drive mechanism to advance a predetermined amount of film or operate for a predetermined length of time.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

324+, for means for unwinding and rewinding a machine convertible information carrier, particularly subclasses 333+ for a particular automated stop or reversal device and subclass 357 for a detector or indicator.