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Class Information
Number: 353/102
Name: Optics: image projectors > Particular condenser
Description: Subject matter including a lens in the optical path between the lamp and the object to form and direct parallel rays along the optical axis toward the object or to secure a desired distribution of the light over the surface of the object, the lens usually having a specific surface, shape, index of refraction, or dimensional relationship to the lamp or object whose image is to be projected.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618147 |
Efficient illumination for display systems and in methods for displaying |
Nov. 17, 2009 |
| 7607787 |
Light source unit and projector system |
Oct. 27, 2009 |
| 7604355 |
Systems and methods for handheld projection displays |
Oct. 20, 2009 |
| 7585079 |
Optical imaging method and projector utilizing the same |
Sep. 8, 2009 |
| 7572015 |
Displaying optical system and image projection apparatus |
Aug. 11, 2009 |
| 7547103 |
LCoS display system with software/firmware correction enabling use of imperfect LCoS chips |
Jun. 16, 2009 |
| 7533994 |
Light source array for LCD applications |
May. 19, 2009 |
| 7530695 |
Projector |
May. 12, 2009 |
| 7517095 |
Image display apparatus |
Apr. 14, 2009 |
| 7517088 |
Light projector |
Apr. 14, 2009 |
| 7503662 |
Light source device and projector |
Mar. 17, 2009 |
| 7484850 |
Illuminating device and projector |
Feb. 3, 2009 |
| 7460306 |
Multi-directional optical element and an optical system utilizing the multi-directional optical element |
Dec. 2, 2008 |
| 7452087 |
Illumination apparatus and image projection apparatus |
Nov. 18, 2008 |
| 7448755 |
Three-panel projection display apparatus for displaying color images |
Nov. 11, 2008 |
| 7448760 |
Optical system and rear projector |
Nov. 11, 2008 |
| 7448761 |
Architecture for a projector |
Nov. 11, 2008 |
| 7445345 |
Optical display device and projection-type display device |
Nov. 4, 2008 |
| 7441908 |
Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus |
Oct. 28, 2008 |
| 7441909 |
Optical assembly for a projection system |
Oct. 28, 2008 |
| 7438424 |
Illumination optical apparatus and projection type display apparatus |
Oct. 21, 2008 |
| 7427146 |
Light-collecting illumination system |
Sep. 23, 2008 |
| 7407296 |
Integrated light gathering reflector and optical element holder |
Aug. 5, 2008 |
| 7404644 |
Time-sequential colour projection |
Jul. 29, 2008 |
| 7404646 |
Projection lens apparatus and rear projection type image display apparatus |
Jul. 29, 2008 |
| 7401930 |
Projection system |
Jul. 22, 2008 |
| 7396130 |
Optical system, image projection apparatus and method thereof |
Jul. 8, 2008 |
| 7390095 |
Projector |
Jun. 24, 2008 |
| 7387388 |
Illumination system using polarization conversion |
Jun. 17, 2008 |
| 7387389 |
Image display system and method |
Jun. 17, 2008 |
| 7384154 |
Temperature control system and method for projection device lenses |
Jun. 10, 2008 |
| 7382556 |
Lens module |
Jun. 3, 2008 |
| 7377656 |
Projector |
May. 27, 2008 |
| 7370977 |
Optical projection system and image display device having the same |
May. 13, 2008 |
| 7360902 |
System and method for light source modulation |
Apr. 22, 2008 |
| 7357512 |
Color image projection system and method |
Apr. 15, 2008 |
| 7354162 |
Projector |
Apr. 8, 2008 |
| 7350922 |
Three-dimensional display using variable focal length micromirror array lens |
Apr. 1, 2008 |
| 7350925 |
Total internal reflection Fresnel lens and optical system using the same |
Apr. 1, 2008 |
| 7350928 |
Projection display system |
Apr. 1, 2008 |
| 7350924 |
Illumination apparatus and image projection apparatus using the illumination apparatus |
Apr. 1, 2008 |
| 7347560 |
Method and/or apparatus for projecting an image |
Mar. 25, 2008 |
| 7344257 |
Light source device and projector |
Mar. 18, 2008 |
| 7344252 |
Projector system for light modulation device |
Mar. 18, 2008 |
| 7338174 |
Shutter device and projection type video display |
Mar. 4, 2008 |
| 7334903 |
Light source module and optical projection system |
Feb. 26, 2008 |
| 7325957 |
Polarized light emitting diode (LED) color illumination system and method for providing same |
Feb. 5, 2008 |
| 7325956 |
Light-emitting diode (LED) illumination system for a digital micro-mirror device (DMD) and method of providing same |
Feb. 5, 2008 |
| 7322703 |
Light emitting apparatus and projector |
Jan. 29, 2008 |
| 7322706 |
Device for adjusting light intensity for discharge lamp projectors |
Jan. 29, 2008 |
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