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Class Information
Number: 353/78
Name: Optics: image projectors > Cabinet encloses projector and one side of screen > Reflector between lamp and screen > Plural
Description: Subject matter including a plurality of reflectors as there defined, which usually direct the light to form a folded light path inside the cabinet.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604354 |
Three-dimensional projection apparatus using coaxial optical alignment |
Oct. 20, 2009 |
| 7568806 |
Light source unit having a light source in a mirror tunnel |
Aug. 4, 2009 |
| 7562987 |
Complex mirror projection display |
Jul. 21, 2009 |
| 7562983 |
Three-dimensional display device |
Jul. 21, 2009 |
| 7542211 |
Image-forming optical system |
Jun. 2, 2009 |
| 7530694 |
Flat projection television |
May. 12, 2009 |
| 7520622 |
Display dock with integrated display screen |
Apr. 21, 2009 |
| 7517090 |
Real image projection device having plastic curved mirror for improving image and correcting aberrations |
Apr. 14, 2009 |
| 7488077 |
Objective for a projection apparatus, and corresponding front-projection or backprojection apparatus |
Feb. 10, 2009 |
| 7467872 |
Projection optical unit and projection type video display device using the unit |
Dec. 23, 2008 |
| 7436572 |
Micromirrors and hinge structures for micromirror arrays in projection displays |
Oct. 14, 2008 |
| 7422332 |
Wall structure |
Sep. 9, 2008 |
| 7393107 |
Rear-type projector |
Jul. 1, 2008 |
| 7384154 |
Temperature control system and method for projection device lenses |
Jun. 10, 2008 |
| 7360906 |
Projection optical system unit and projection-type image display apparatus using the same |
Apr. 22, 2008 |
| 7350925 |
Total internal reflection Fresnel lens and optical system using the same |
Apr. 1, 2008 |
| 7338176 |
Elevator installation with information representation on a shaft door |
Mar. 4, 2008 |
| 7331679 |
Reflection unit having a mirror array, and projection display system employing the same |
Feb. 19, 2008 |
| 7331678 |
Method and system for a thermal architecture and user adjustable keystone in a display device |
Feb. 19, 2008 |
| 7314281 |
Projection display device |
Jan. 1, 2008 |
| 7300158 |
Projection display apparatus |
Nov. 27, 2007 |
| 7259919 |
Thin-profile projection system |
Aug. 21, 2007 |
| 7253954 |
Flat valley fresnel lens |
Aug. 7, 2007 |
| 7239452 |
Projection optical system |
Jul. 3, 2007 |
| 7237908 |
Image display system |
Jul. 3, 2007 |
| 7178921 |
Image projection apparatus |
Feb. 20, 2007 |
| 7163297 |
Image display system |
Jan. 16, 2007 |
| 7102820 |
Flat valley fresnel lens for a display device |
Sep. 5, 2006 |
| 7088509 |
Laminate screen for display device |
Aug. 8, 2006 |
| 7080910 |
Method and system for a thermal architecture and user adjustable keystone in a display device |
Jul. 25, 2006 |
| 7077528 |
Digital projection display system with external light source |
Jul. 18, 2006 |
| 7059730 |
Back reflective mirror and back projection type video display device using the same |
Jun. 13, 2006 |
| 7029128 |
Table type display device |
Apr. 18, 2006 |
| 7021770 |
Rear projection optical system |
Apr. 4, 2006 |
| 6991338 |
Projection optical system, projection type image display apparatus, and image display system |
Jan. 31, 2006 |
| 6935747 |
Image enhancement and aberration corrections in a small real image projection system |
Aug. 30, 2005 |
| 6848794 |
Reflecting optical element, optical system and optical apparatus using reflecting optical element, projection type image display apparatus, and method for fabricating reflecting optical elemen |
Feb. 1, 2005 |
| 6811265 |
Retractable image projecting system |
Nov. 2, 2004 |
| 6808271 |
Projection type display apparatus |
Oct. 26, 2004 |
| 6805447 |
Rear projection display device and projecting method used for the same |
Oct. 19, 2004 |
| 6779897 |
Rear projection optical system |
Aug. 24, 2004 |
| 6773115 |
Adjusting apparatus for projection |
Aug. 10, 2004 |
| 6761458 |
Rear projection optical system |
Jul. 13, 2004 |
| 6755534 |
Prismatic optical display |
Jun. 29, 2004 |
| 6752500 |
Rear surface projection type display device |
Jun. 22, 2004 |
| 6733140 |
Method of ghost reduction and transmission enhancement for a real image projection system |
May. 11, 2004 |
| 6719432 |
Optical assembly for rear projection television |
Apr. 13, 2004 |
| 6612701 |
Image enhancement in a real image projection system, using on-axis reflectors, at least one of which is aspheric in shape |
Sep. 2, 2003 |
| 6594078 |
Interlocking mounting package having separatable chassis for use in multiscreen projection displays |
Jul. 15, 2003 |
| 6561649 |
Compact rear projection system using birefringent optics |
May. 13, 2003 |
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