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Class Information
Number: 348/748
Name: Television > Video display > Projection device > With cooling device
Description: Subject matter wherein the projector includes a device to reduce heat produced by intensive light rays from the source illuminator.










Sub-classes under this class:

Class Number Class Name Patents
348/749 Liquid 41


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684535 Cooling unit including base plates each having a radiating fins that has an extending portion to extend over an adjacent base plate, and projector Apr. 1, 2014
8669998 Selection of colors Mar. 11, 2014
8608316 Cooling and air flow exhaust for image projection apparatus Dec. 17, 2013
8605226 Projector Dec. 10, 2013
8511833 Image projection apparatus Aug. 20, 2013
8421816 Selection of colors Apr. 16, 2013
8366282 Positioning interfaces for projection display devices Feb. 5, 2013
8317336 Cooling and air flow exhaust for image projection apparatus Nov. 27, 2012
8310604 Visual inspection apparatus having light source bank Nov. 13, 2012
8256901 Image projection apparatus and method of cooling an image projection apparatus Sep. 4, 2012
8246171 Cooling device and projector using the same Aug. 21, 2012
8231227 Light emitting device, light source unit and projector using same light source unit Jul. 31, 2012
8201203 Headrest mounted vehicle entertainment system with an integrated cooling system Jun. 12, 2012
8189118 Communication apparatus and control method May. 29, 2012
8147074 Positioning interfaces for projection display devices Apr. 3, 2012
8107019 Projection type image display device Jan. 31, 2012
8072551 Projector Dec. 6, 2011
7967447 Overheat prevention device Jun. 28, 2011
7967446 Liquid crystal projector apparatus and cooler Jun. 28, 2011
7954956 Projection-type display apparatus Jun. 7, 2011
7946713 Display apparatus May. 24, 2011
7896501 Projector and optical engine thereof Mar. 1, 2011
7896503 Image projecting apparatus Mar. 1, 2011
7866828 Projection type image display apparatus Jan. 11, 2011
7832871 Optical equipment with at least first and second ventilation paths Nov. 16, 2010
7830660 Cooling unit and display apparatus having the same Nov. 9, 2010
7824038 Method for controlling dual lamp module Nov. 2, 2010
7795822 Light source controller and image display device Sep. 14, 2010
7755706 Method for correcting for distortion of projected image, program for correcting image distortion, and projection-type image display device Jul. 13, 2010
7755893 Display device Jul. 13, 2010
7719841 Semiconductor device and display apparatus May. 18, 2010
7703927 Liquid crystal projector apparatus using heat exchanger and method of cooling liquid crystal projector apparatus Apr. 27, 2010
7648245 Cooling system of thin projector and method for controlling the same Jan. 19, 2010
7621644 Projector with exhaust fans having intersecting exhaust directions Nov. 24, 2009
7619891 Plasma display apparatus Nov. 17, 2009
7585076 Cooling unit manufacturing method, cooling unit, optical device and projector Sep. 8, 2009
7585077 Optical apparatus and projector Sep. 8, 2009
7578595 Projection type video display apparatus Aug. 25, 2009
7537349 Optical device and projector May. 26, 2009
7520619 Projection system and cooling system of the same Apr. 21, 2009
7518864 Cooling fan and image display apparatus Apr. 14, 2009
7508673 Heat dissipating apparatus for plasma display device Mar. 24, 2009
7500757 Projector Mar. 10, 2009
7484852 System for cooling heat emission portions in a projector Feb. 3, 2009
7466546 Flat display device and cooling apparatus for the same Dec. 16, 2008
7461941 Uninterrupted power supply for projection lamp protection Dec. 9, 2008
7457125 Cooling apparatus for flat display device and cross-flow fan of the cooling apparatus Nov. 25, 2008
7448759 Projection equipment and a method of driving a light source lamp in projection equipment Nov. 11, 2008
7447034 Chassis base assembly and flat panel display device having the same Nov. 4, 2008
7441903 Power on/off system of thin projector and method for controlling the same Oct. 28, 2008

1 2 3










 
 
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