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Class Information
Number: 353/82
Name: Optics: image projectors > Plural projection paths with single light source
Description: Subject matter including a single lamp and two or more optical paths and means to direct light from the lamp to the optical paths, usually alternately.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621641 |
High luminance display apparatus using LCD panel |
Nov. 24, 2009 |
| 7585078 |
Illumination system capable of eliminating laser speckle and projection system employing the same |
Sep. 8, 2009 |
| 7559654 |
High luminance display apparatus using LCD panel |
Jul. 14, 2009 |
| 7445345 |
Optical display device and projection-type display device |
Nov. 4, 2008 |
| 7443586 |
Display device using single-panel diffractive light modulator |
Oct. 28, 2008 |
| 7429111 |
Two-panel color management system |
Sep. 30, 2008 |
| 7429110 |
Projector-type image display apparatus |
Sep. 30, 2008 |
| 7396131 |
Projection assembly |
Jul. 8, 2008 |
| 7390094 |
Method and apparatus to achieve a neutral dark state in image projection systems |
Jun. 24, 2008 |
| 7390095 |
Projector |
Jun. 24, 2008 |
| 7387391 |
Apparatus and method for mounting imagers on stress-sensitive polarizing beam splitters |
Jun. 17, 2008 |
| 7365907 |
Rear projection image display apparatus |
Apr. 29, 2008 |
| 7354162 |
Projector |
Apr. 8, 2008 |
| 7347562 |
Two-panel liquid-crystal-on-silicon color management system |
Mar. 25, 2008 |
| 7344254 |
Projection system with a common light source sharing system |
Mar. 18, 2008 |
| 7327508 |
Display device using light modulator and having improved numerical aperture of after-edge lens system |
Feb. 5, 2008 |
| 7321349 |
Display element, display device, and microlens array |
Jan. 22, 2008 |
| 7244030 |
Rear projection type image display device |
Jul. 17, 2007 |
| 7241017 |
Image display device |
Jul. 10, 2007 |
| 7232227 |
Image display device |
Jun. 19, 2007 |
| 7213922 |
Projector |
May. 8, 2007 |
| 7210788 |
Color prism and projection-type image display apparatus employing the same |
May. 1, 2007 |
| 7207676 |
Image projection apparatus |
Apr. 24, 2007 |
| 7195358 |
Rear projection type image display device |
Mar. 27, 2007 |
| 7190519 |
Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit |
Mar. 13, 2007 |
| 7156523 |
Projector |
Jan. 2, 2007 |
| 7131729 |
Projection display apparatus |
Nov. 7, 2006 |
| 7118230 |
Holder frame, optical device and projector |
Oct. 10, 2006 |
| 7114816 |
Fixing plate, optical device and projector |
Oct. 3, 2006 |
| 7108377 |
Video light producing device and projection type video display |
Sep. 19, 2006 |
| 7104652 |
Image display device and projector |
Sep. 12, 2006 |
| 7086738 |
Optical projection system and method |
Aug. 8, 2006 |
| 7077524 |
Sequential projection color display using multiple imaging panels |
Jul. 18, 2006 |
| 7048380 |
Color switching projection apparatus with two liquid crystal panels |
May. 23, 2006 |
| 7044606 |
Projection of pixelized color images |
May. 16, 2006 |
| 7040760 |
Liquid crystal projector |
May. 9, 2006 |
| 7029122 |
Projector |
Apr. 18, 2006 |
| 7014318 |
Light coupling device and image projection apparatus using the same |
Mar. 21, 2006 |
| 7002752 |
Three-panel color management systems and methods |
Feb. 21, 2006 |
| 7001027 |
Light source device and projector |
Feb. 21, 2006 |
| 6984041 |
Color-separating and -recombining optical system |
Jan. 10, 2006 |
| 6962414 |
Sequential projection color display using multiple imaging panels |
Nov. 8, 2005 |
| 6942347 |
Color combining optical system, image projection optical system, and projection type image display apparatus |
Sep. 13, 2005 |
| 6923545 |
Method for manufacturing color combining optical system, apparatus for manufacturing color combining optical system and method for manufacturing projector |
Aug. 2, 2005 |
| 6918671 |
Projector and method |
Jul. 19, 2005 |
| 6886943 |
High-resolution projection display system |
May. 3, 2005 |
| 6874890 |
Projection device having first and second green-light modulation means |
Apr. 5, 2005 |
| 6857745 |
Method of manufacturing illumination optical unit, apparatus for manufacturing illumination optical unit, illumination optical unit manufactured by the manufacturing method, and projector |
Feb. 22, 2005 |
| 6837584 |
Peak brightness improvement for LC/DLP based RPTV |
Jan. 4, 2005 |
| 6796657 |
Projection type display apparatus |
Sep. 28, 2004 |
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