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Class Information
Number: 353/64
Name: Optics: image projectors > Epidiascope (i.e., selective opaque and transparency projector) > Plural reflectors between lamp and screen
Description: Subject matter including a plurality of mirrors or reflecting prisms positioned between the light source and the viewing screen to direct light along or toward the optical path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7359026 |
Liquid crystal display projector |
Apr. 15, 2008 |
| 6450650 |
Projector with image source from objects |
Sep. 17, 2002 |
| 6379012 |
Overhead projector mount system |
Apr. 30, 2002 |
| 5911490 |
Overhead projector |
Jun. 15, 1999 |
| 5231433 |
Reflecting illumination projecting device |
Jul. 27, 1993 |
| 5033842 |
Episcopic projector |
Jul. 23, 1991 |
| 4988599 |
Electrophotographic color toner having selected index of refraction range |
Jan. 29, 1991 |
| 4719547 |
Illumination system for overhead projector |
Jan. 12, 1988 |
| 4343538 |
Projector |
Aug. 10, 1982 |
| 4206966 |
Projection microscope with film holder |
Jun. 10, 1980 |
| 4118761 |
Light condensing illuminator |
Oct. 3, 1978 |
| 4072416 |
Optical scanning system for reading micro-image records |
Feb. 7, 1978 |
| 3951534 |
Short throw, oblique incidence, visual transparency projector |
Apr. 20, 1976 |
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