Resources Contact Us Home
Browse by Category: Main > Optical & Optics
Class Information
Number: 352/45
Name: Optics: motion pictures > Methods > Recording > Photographing with light filtration
Description: Subject matter including the filtering of the image bearing light before reaching the photo sensitive recording surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
6980276 Luminous source apparatus, image projecting apparatus and image projection converting apparatus Dec. 27, 2005
6909489 Luminous source apparatus, image projecting apparatus and image projection converting apparatus Jun. 21, 2005
6232033 Method for making paper emulsion cinematic film May. 15, 2001
6211941 Matte process for composite photography Apr. 3, 2001
6065015 Method and apparatus for editing an image file in an electronic camera May. 16, 2000
5972440 Floating segmented conglomerate traveling matte backing Oct. 26, 1999
5923400 Real-time film animation technique Jul. 13, 1999
5563668 Motion picture film composition method Oct. 8, 1996
5184158 Gate for motion picture camera Feb. 2, 1993
5010414 Process eliminating the use of a master positive film for making a duplicate negative of a color motion picture Apr. 23, 1991
4963015 Recording and reproduction of images Oct. 16, 1990
4934824 Recording and reproduction of images Jun. 19, 1990
4796990 Method and apparatus for superimposing scenes Jan. 10, 1989
4754297 Camera and filter assembly Jun. 28, 1988
4707091 Ultraviolet method for making optical composites Nov. 17, 1987
4584615 Black and white disc construction to record color images Apr. 22, 1986
4457599 Composite photography apparatus and method Jul. 3, 1984
4417791 Process for composite photography Nov. 29, 1983
4408838 System for the regulation of light for a sequential picture apparatus Oct. 11, 1983
4305095 Method of making planigrams of a three-dimensional object Dec. 8, 1981

  Recently Added Patents
IR(voltage) drop analysis in integrated circuit timing
Communication system including a switching section for switching a network route, controlling method and storage medium
Off-line converter with digital control
Support for a portable electronic device
Vehicle exterior
Device and process for isolating and cultivating live cells on a filter or extracting their genetic material
  Randomly Featured Patents
Rotary piston engine
Grill for a window fan
Razor container
Disc drive suspension whose extending portion and flexure can be regulated
Process for producing 2-hydroxy-4-methyltetrahydropyran
Method for suspending wells
Cooxidation process for the production of dimethyl terephthalate
Tetrahydropyrimidyl-substituted compounds
Upper shoulder, neck, and cap of a bottle
Device for interconnecting conductors in a group of electrical conductors