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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 |
| 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 |
| 4050798 |
Visualizer |
Sep. 27, 1977 |
| 4050809 |
Compact 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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