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Class Information
Number: 353/35
Name: Optics: image projectors > Composite projected image > Slides and/or film superposed in projector
Description: Subject matter wherein a plurality of slides or film strips are aligned in the optical path of the projector so that light passes sequentially through more than one of them to form a composite image on a viewing screen.

Patents under this class:

Patent Number Title Of Patent Date Issued
8269874 Image display system, image input apparatus and controlling method Sep. 18, 2012
8132920 Thin microprojector with switched beam bender and method of operating the same Mar. 13, 2012
8079714 Projector and method for acquiring coordinate of bright spot Dec. 20, 2011
8061848 Methods and apparatus for projecting images Nov. 22, 2011
8052286 System and method for utilizing a scanning beam to display an image Nov. 8, 2011
8039825 Installation for exposing a cinematographic film from digital images Oct. 18, 2011
7918563 System and method for utilizing a scanning beam to display an image Apr. 5, 2011
7920610 Pulse mode modulation in frequency converted laser sources Apr. 5, 2011
7005180 Optically isotrophic polycarbonate films and a method for the production thereof Feb. 28, 2006
6773113 Projection arrangement for projecting an image onto a projection surface Aug. 10, 2004
6611379 Beam splitter and method for generating equal optical path length beams Aug. 26, 2003
6481853 Image projector forming rotating image Nov. 19, 2002
6474819 Combination overhead projector and electronic display device Nov. 5, 2002
5963276 Back projection transparency viewer with overlapping pixels Oct. 5, 1999
5208891 Fiber-optic viewgraph projector May. 4, 1993
5110206 Device for forming a composite image of a person's face May. 5, 1992
5083854 Spatial light modulator with improved aperture ratio Jan. 28, 1992
4953971 Interactive image projection apparatus Sep. 4, 1990
4943853 TV viewer Jul. 24, 1990
4843528 Illumination lamp apparatus Jun. 27, 1989
4756614 Film projector toy Jul. 12, 1988
4406529 Travelling-matte processes Sep. 27, 1983
4349836 Apparatus for displaying information Sep. 14, 1982
4191457 Bi-directional optical apparatus for altering an optically projected member Mar. 4, 1980
4121196 Data base update scheme Oct. 17, 1978
4094597 Method and apparatus for producing composite film images for identification Jun. 13, 1978
4050809 Compact visualizer Sep. 27, 1977
4050798 Visualizer Sep. 27, 1977
4002401 Multiple pattern display device Jan. 11, 1977
3975094 Apparatus for composing composite illustrations Aug. 17, 1976
3935583 Apparatus for making microfiches Jan. 27, 1976

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