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Class Information
Number: 353/85
Name: Optics: image projectors > Lamp control
Description: Subject matter including means to switch the lamp off and on or to otherwise modify the illumination intensity or means to adjustably position the lamp relative to other parts of the projector.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618146 |
Multiscreen display system, multiscreen display method, luminance correction method, and programs |
Nov. 17, 2009 |
| 7614750 |
Light interaction states |
Nov. 10, 2009 |
| 7614753 |
Determining an adjustment |
Nov. 10, 2009 |
| 7607784 |
Light emission method, light emitting apparatus and projection display apparatus |
Oct. 27, 2009 |
| 7604356 |
Projection type image display apparatus and lighting circuit control method |
Oct. 20, 2009 |
| 7604357 |
Adjusting light intensity |
Oct. 20, 2009 |
| 7575330 |
Method and apparatus for increasing effective contrast radio and brightness yields for digital light valve image projectors |
Aug. 18, 2009 |
| 7562989 |
Projector with detachably mounted remote controller |
Jul. 21, 2009 |
| 7562988 |
Two-dimensional image display device |
Jul. 21, 2009 |
| 7559670 |
Image projection lighting devices with visible and infrared imaging |
Jul. 14, 2009 |
| 7553028 |
Projection LED cooling |
Jun. 30, 2009 |
| 7553033 |
Projector and optical device |
Jun. 30, 2009 |
| 7543944 |
Projection-type display apparatus and multiscreen display apparatus |
Jun. 9, 2009 |
| 7530695 |
Projector |
May. 12, 2009 |
| 7520624 |
Light enhancing |
Apr. 21, 2009 |
| 7517093 |
Projection-type system and method of operating the same |
Apr. 14, 2009 |
| 7513624 |
Method and apparatus for controllably modulating a laser in a laser projection display |
Apr. 7, 2009 |
| 7510284 |
Projection-type display devices including redundant laser sets |
Mar. 31, 2009 |
| 7511433 |
Discharge lamp lighting device and projector |
Mar. 31, 2009 |
| 7506986 |
Projection type video display |
Mar. 24, 2009 |
| 7508144 |
Light source device, lighting and driving method thereof and projector |
Mar. 24, 2009 |
| 7503659 |
Multiple location illumination system and projection display system employing same |
Mar. 17, 2009 |
| 7497579 |
Active color wheel |
Mar. 3, 2009 |
| 7494227 |
Image display device and method of controlling image display device |
Feb. 24, 2009 |
| 7484852 |
System for cooling heat emission portions in a projector |
Feb. 3, 2009 |
| 7481541 |
Method and systems for projecting images |
Jan. 27, 2009 |
| 7475994 |
System, method, and apparatus for detecting a projected point on computer controlled displayed images |
Jan. 13, 2009 |
| 7470031 |
Image display device |
Dec. 30, 2008 |
| 7461941 |
Uninterrupted power supply for projection lamp protection |
Dec. 9, 2008 |
| 7458690 |
Light source module |
Dec. 2, 2008 |
| 7448759 |
Projection equipment and a method of driving a light source lamp in projection equipment |
Nov. 11, 2008 |
| 7441907 |
Light source driving method |
Oct. 28, 2008 |
| 7438420 |
Display apparatus |
Oct. 21, 2008 |
| 7441160 |
File system for a stage lighting array system |
Oct. 21, 2008 |
| 7431461 |
Light propagation characteristic control apparatus, optical display apparatus, light propagation characteristic control program, optical display apparatus control program, light propagation ch |
Oct. 7, 2008 |
| 7425073 |
Method and apparatus for conserving power in a laser projection display |
Sep. 16, 2008 |
| 7425804 |
Lamp drive device of projector |
Sep. 16, 2008 |
| 7422330 |
Illumination system and projection system using same |
Sep. 9, 2008 |
| 7422333 |
Projection type display apparatus |
Sep. 9, 2008 |
| 7419270 |
Display apparatus and its lamp-lighting mechanism |
Sep. 2, 2008 |
| 7419266 |
Projector |
Sep. 2, 2008 |
| 7413314 |
Optical system with iris controlled in real time |
Aug. 19, 2008 |
| 7407295 |
Projection of overlapping sub-frames onto a surface using light sources with different spectral distributions |
Aug. 5, 2008 |
| 7404645 |
Image and light source modulation for a digital display system |
Jul. 29, 2008 |
| 7401925 |
Image projection system |
Jul. 22, 2008 |
| 7400100 |
Discharge-lamp lighting apparatus and projector |
Jul. 15, 2008 |
| 7396134 |
Apparatus and method for driving light source of projector |
Jul. 8, 2008 |
| 7393107 |
Rear-type projector |
Jul. 1, 2008 |
| 7393110 |
Media projector system |
Jul. 1, 2008 |
| 7391475 |
Display image generation with differential illumination |
Jun. 24, 2008 |
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