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Class Information
Number: 353/20
Name: Optics: image projectors > Polarizer or interference filter
Description: Subject matter including a polarizing element or interference filter in the optical path to modify the light in said path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7044607 |
Image display device |
May. 16, 2006 |
| 7040766 |
Illumination optical system and projection-type display apparatus |
May. 9, 2006 |
| 7040760 |
Liquid crystal projector |
May. 9, 2006 |
| 7042530 |
Transfer apparatus |
May. 9, 2006 |
| 7036937 |
Illuminating device reusing polarized light |
May. 2, 2006 |
| 7033029 |
Interface tube with stepped configuration |
Apr. 25, 2006 |
| 7029130 |
Contrast and brightness enhancing apertures for illumination displays |
Apr. 18, 2006 |
| 7021769 |
Rear projector for projecting an image from a rear side of a screen |
Apr. 4, 2006 |
| 7021766 |
Projector |
Apr. 4, 2006 |
| 7023602 |
Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter and color separation and recombination prisms |
Apr. 4, 2006 |
| 7021765 |
Illumination optical system and projection display optical system |
Apr. 4, 2006 |
| RE39040 |
Projector |
Mar. 28, 2006 |
| 7011412 |
Polarization converter, an illumination optical device having the polarization converter and projector |
Mar. 14, 2006 |
| 7008064 |
Two panel optical engine for projection applications |
Mar. 7, 2006 |
| 7008059 |
Color combining optical system and image projection apparatus |
Mar. 7, 2006 |
| 7004586 |
Image displaying projector with a light tunnel and light tunnel structure in an image displaying projector |
Feb. 28, 2006 |
| 7006288 |
Polarization recovery system for projection displays |
Feb. 28, 2006 |
| 7004587 |
Projection display apparatus with two reflective light panels |
Feb. 28, 2006 |
| 7002745 |
Polarization recovery system for projection displays |
Feb. 21, 2006 |
| 7002752 |
Three-panel color management systems and methods |
Feb. 21, 2006 |
| 7002743 |
Polarization conversion system |
Feb. 21, 2006 |
| 6997559 |
Reflective liquid crystal projector |
Feb. 14, 2006 |
| 6991334 |
Polarization beam splitting optical system |
Jan. 31, 2006 |
| 6991335 |
Liquid crystal projector |
Jan. 31, 2006 |
| 6992830 |
Projection display having an angle-selective coating for enhanced image contrast, and method for enhancing image contrast |
Jan. 31, 2006 |
| 6988804 |
Projector apparatus for preventing degradation in image quality due to heat |
Jan. 24, 2006 |
| 6988803 |
Method for transmitting signals in a projection system and projection system which applies such method |
Jan. 24, 2006 |
| 6988806 |
Instant-on projector |
Jan. 24, 2006 |
| 6986580 |
Latent effects projection system |
Jan. 17, 2006 |
| 6985272 |
Dynamic range enhancement of image display apparatus |
Jan. 10, 2006 |
| 6984041 |
Color-separating and -recombining optical system |
Jan. 10, 2006 |
| 6982830 |
Polarization recovery system for projection displays |
Jan. 3, 2006 |
| 6982773 |
Exposure system for creating a patterned polarization compensator |
Jan. 3, 2006 |
| 6982829 |
Prism assembly with cholesteric reflectors |
Jan. 3, 2006 |
| 6981771 |
Rear projection display device |
Jan. 3, 2006 |
| 6976759 |
Compound polarization beam splitters |
Dec. 20, 2005 |
| 6972810 |
Optical systems for reflective LCDs |
Dec. 6, 2005 |
| 6971752 |
Color wheel fixing structure for projector |
Dec. 6, 2005 |
| 6962414 |
Sequential projection color display using multiple imaging panels |
Nov. 8, 2005 |
| 6962415 |
Electro-optical dimming system |
Nov. 8, 2005 |
| 6961179 |
Compensated color management systems and methods |
Nov. 1, 2005 |
| 6961165 |
Optical modulation device holding body, optical device, and projector |
Nov. 1, 2005 |
| 6961181 |
Compensated color management systems and methods |
Nov. 1, 2005 |
| 6945651 |
Optical unit and projection type projector apparatus using the same |
Sep. 20, 2005 |
| 6945654 |
Color management system having a prism to compensate for optical aberrations and to enhance contrast |
Sep. 20, 2005 |
| 6943949 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof |
Sep. 13, 2005 |
| 6942345 |
Projection type image display apparatus and image display system |
Sep. 13, 2005 |
| 6939009 |
Compact work light with high illumination uniformity |
Sep. 6, 2005 |
| 6935745 |
Optical device, method for manufacturing optical device, and projector |
Aug. 30, 2005 |
| 6935746 |
Method and apparatus for reducing scattered light in a projection system |
Aug. 30, 2005 |
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