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Class Information
Number: 352/159
Name: Optics: motion pictures > With loop forming
Description: Subject matter including means to form a motion picture film strip into free standing loops upon actuation or upon loss of one of the loops through malfunction.

Patents under this class:

Patent Number Title Of Patent Date Issued
8147065 Electronically controlled film transport methods and systems Apr. 3, 2012
7093939 High-speed continuous linear film transport system Aug. 22, 2006
6317194 Image reading apparatus, image processing system, image reading method, and image processing method Nov. 13, 2001
6257725 Shutter assembly for a motion film projection Jul. 10, 2001
6120151 System and method for transporting film and motion picture projector utilizing same Sep. 19, 2000
5121982 Film transport device Jun. 16, 1992
4421395 Movie camera sprocket drive mechanism Dec. 20, 1983
4206981 Telecine projector Jun. 10, 1980
4169667 Film buffer for motion picture projectors Oct. 2, 1979
4148567 Sound motion picture projection apparatus Apr. 10, 1979
4146313 Slot load movie projector mechanism Mar. 27, 1979
4113368 Automatic lower loop restorer mechanism Sep. 12, 1978
4009949 Threading and synchronization system for sound motion picture projector Mar. 1, 1977
3977775 Damper for motion picture film in cinematographic apparatus Aug. 31, 1976

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