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Class Information
Number: 353/52
Name: Optics: image projectors > Temperature control
Description: Subject matter including means to heat, cool, reduce the rise in temperature, or ventilate all or part of the projection system or the picture to be projected.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621644 |
Projector with exhaust fans having intersecting exhaust directions |
Nov. 24, 2009 |
| 7606640 |
Cooling apparatus and projection type display device |
Oct. 20, 2009 |
| 7585076 |
Cooling unit manufacturing method, cooling unit, optical device and projector |
Sep. 8, 2009 |
| 7578594 |
Illumination source activation based on temperature sensing |
Aug. 25, 2009 |
| 7570315 |
Display apparatus |
Aug. 4, 2009 |
| 7564435 |
Liquid crystal projector cooling system dependent on air pressure and temperature variables |
Jul. 21, 2009 |
| 7564505 |
Optical device and projector equipped with the same |
Jul. 21, 2009 |
| 7553028 |
Projection LED cooling |
Jun. 30, 2009 |
| 7543942 |
Automatic door mechanism for projector |
Jun. 9, 2009 |
| 7543962 |
Projection-type image display device |
Jun. 9, 2009 |
| 7537348 |
Projection type video display |
May. 26, 2009 |
| 7535543 |
Liquid crystal display apparatus and cooling device |
May. 19, 2009 |
| 7535711 |
Wind velocity measuring device and electronic apparatus |
May. 19, 2009 |
| 7510284 |
Projection-type display devices including redundant laser sets |
Mar. 31, 2009 |
| 7475991 |
Polarizing beamsplitter assembly |
Jan. 13, 2009 |
| 7467882 |
Light-emitting diode heat-dissipating module |
Dec. 23, 2008 |
| 7466499 |
Projector |
Dec. 16, 2008 |
| 7461941 |
Uninterrupted power supply for projection lamp protection |
Dec. 9, 2008 |
| 7448759 |
Projection equipment and a method of driving a light source lamp in projection equipment |
Nov. 11, 2008 |
| 7438420 |
Display apparatus |
Oct. 21, 2008 |
| 7419270 |
Display apparatus and its lamp-lighting mechanism |
Sep. 2, 2008 |
| 7417799 |
Multi-primary color display |
Aug. 26, 2008 |
| 7384151 |
Projector |
Jun. 10, 2008 |
| 7382556 |
Lens module |
Jun. 3, 2008 |
| 7374289 |
Projection type video display |
May. 20, 2008 |
| 7364304 |
Projector control |
Apr. 29, 2008 |
| 7358657 |
Lamp assembly |
Apr. 15, 2008 |
| 7341353 |
Variable fresnel screen for use in projection device |
Mar. 11, 2008 |
| 7341354 |
Display device and display optical system unit |
Mar. 11, 2008 |
| 7329008 |
Shock-resistant arrangement for, and method of, protecting a heat source from damage |
Feb. 12, 2008 |
| 7320523 |
Liquid-cooled liquid crystal panel and method of manufacturing the same as well as liquid crystal projector |
Jan. 22, 2008 |
| 7300182 |
LED light sources for image projection systems |
Nov. 27, 2007 |
| 7296898 |
Image projector having a LED light source |
Nov. 20, 2007 |
| 7278745 |
Method and apparatus for adjusting relative disposition of projection optics based on operating conditions |
Oct. 9, 2007 |
| 7275833 |
Cooling system and projection-type image display apparatus using the same |
Oct. 2, 2007 |
| 7273283 |
Method and apparatus for an anti-melt projection lens cap |
Sep. 25, 2007 |
| 7273286 |
Display device and light control method of the same |
Sep. 25, 2007 |
| 7270418 |
Optical device and projector |
Sep. 18, 2007 |
| 7258446 |
System and method for intelligent information handling system projector cool down |
Aug. 21, 2007 |
| 7252385 |
Projection LED cooling |
Aug. 7, 2007 |
| 7244029 |
Laser projector having temperature control |
Jul. 17, 2007 |
| 7237904 |
Control method for cooling a projection display |
Jul. 3, 2007 |
| 7237906 |
Projection-type image display apparatus |
Jul. 3, 2007 |
| 7229177 |
Restraining temperature rise in light exiting-side polarizer constituting liquid crystal light valve |
Jun. 12, 2007 |
| 7226170 |
Projector with air cleaning functionality |
Jun. 5, 2007 |
| 7226171 |
Optical device and projector |
Jun. 5, 2007 |
| 7213925 |
Optical modulator, optical device and projector |
May. 8, 2007 |
| 7210791 |
System and method for projector external hazard proximity protection |
May. 1, 2007 |
| 7210789 |
Liquid crystal display device and liquid crystal cooling unit |
May. 1, 2007 |
| 7188956 |
Optical device and rear projector |
Mar. 13, 2007 |
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