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Browse by Category: Main > Optical & Optics
Class Information
Number: 352/35
Name: Optics: motion pictures > With sound accompaniment > Housing and supports > With acoustic isolation
Description: Subject matter in which mechanical means are provided to prevent the apparatus from recording or reproducing any undesired sound.










Patents under this class:

Patent Number Title Of Patent Date Issued
7868995 Device for soundproofing motion picture cameras Jan. 11, 2011
7025466 Portable light projector unit Apr. 11, 2006
6266124 Device for focusing a film frame Jul. 24, 2001
5706074 Motion picture camera Jan. 6, 1998
5268539 Acoustic apparatus Dec. 7, 1993
5237352 Apparatus for soundproofing moving picture cameras Aug. 17, 1993
5037195 Sound-damping lens adapter for a motion-picture camera Aug. 6, 1991
5009499 Sound insulated interchangeable lens Apr. 23, 1991
4816857 Interchangeable lens for movie camera with a sound dampening system Mar. 28, 1989
4577944 Lens mount with noise reducing means Mar. 25, 1986
4536066 Adjustable mountings for a movie camera Aug. 20, 1985
4174157 Quiet motion picture camera Nov. 13, 1979
4162829 Photographic film drive system employing inertia dumper/energy dissipater Jul. 31, 1979
4134648 Motion picture camera Jan. 16, 1979
4121886 Quiet motion picture camera Oct. 24, 1978
4013352 Self-blimped motion picture camera Mar. 22, 1977
3958869 Sound motion picture camera May. 25, 1976











 
 
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