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Class Information
Number: 348/603
Name: Television > Image signal processing circuitry specific to television > Display controlled by ambient light > Specified color (e.g., saturation and contrast control)
Description: Subject matter wherein the operational characteristic includes control of some color attribute such as amplitude.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7616216 Digital content creation system, program product, and storage medium Nov. 10, 2009
7616262 Controlling ambient light as a function of a video signal Nov. 10, 2009
7573533 Method of generating transfer curves for adaptive contrast enhancement Aug. 11, 2009
7554604 Method and apparatus for simulating the scenes of image signals Jun. 30, 2009
7477245 Circuit and method for driving self light-emitting display device Jan. 13, 2009
7460179 Adaptive image display Dec. 2, 2008
7453454 Image display system and method Nov. 18, 2008
7333117 Method of compensating colors in image display device for users with color vision deficiency and device of the same Feb. 19, 2008
7312799 Visual determination of gamma for softcopy display Dec. 25, 2007
7289160 Output selection device and output selection method for video signals Oct. 30, 2007
7271378 Ambient light detection circuit with control circuit for integration period signal Sep. 18, 2007
7242409 Interpolated color transform for changing color of an application user interface Jul. 10, 2007
7227586 Color signal processing Jun. 5, 2007
7227559 Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith Jun. 5, 2007
7213922 Projector May. 8, 2007
7196735 Method for determining an adjustment amount to an input chroma Mar. 27, 2007
7061547 Image displaying system of environment-adaptive type, image processing method and program Jun. 13, 2006
7050114 Picture signal contrast control May. 23, 2006
7050121 Method and device for compensating picture quality of projection type display May. 23, 2006
6967648 Circuit and method for driving self light-emitting display device Nov. 22, 2005
6943848 Unit for and method of video signal enhancement and image display apparatus provided with such a video signal enhancement unit Sep. 13, 2005
6940531 Environment-Compliant image display system, image processing method, and information storage medium Sep. 6, 2005
6822695 Surrounding light judging method and video compensation control apparatus using the same Nov. 23, 2004
6798460 High definition display unit and high definition display method Sep. 28, 2004
6741666 Device and method for transforming a digital signal May. 25, 2004
6671001 Offset level detection method for auto color gain control of analog video signals Dec. 30, 2003
6633341 Luminance correction system used in a vision system Oct. 14, 2003
6628831 Darkness-detecting web camera system Sep. 30, 2003
6614488 Method and apparatus for controlling tint in a digital color display system Sep. 2, 2003
6563546 High definition display unit and high definition display method May. 13, 2003
6535245 Color balance adjusting device Mar. 18, 2003
6504551 Color correction device, color correction method, picture processing device, and picture processing method Jan. 7, 2003
6388713 Image display apparatus, and method to prevent or limit user adjustment of displayed image quality May. 14, 2002
6373531 Image processing apparatus, method, and recording medium for performing color correction suitable for matching ambient light for different types of output devices Apr. 16, 2002
6363118 Apparatus and method for the recovery of compression constants in the encoded domain Mar. 26, 2002
6292228 Device and method for auto-adjustment of image condition in display using data representing both brightness or contrast and color temperature Sep. 18, 2001
6229577 Ambient light-dependent video-signal processing May. 8, 2001
6198512 Method for color in chromatophoric displays Mar. 6, 2001
6172719 Automatic color temperature control device for video appliance Jan. 9, 2001
5847773 Video system including apparatus for deactivating an automatic control arrangement Dec. 8, 1998
5760843 Method and apparatus for contrast processing a video signal including brightness level compensation Jun. 2, 1998
5757438 Apparatus for compensating for image display characteristics May. 26, 1998
5642172 Image processing system for adjusting the image characteristics of a display system Jun. 24, 1997
5488434 Picture adjusting method of a color television and its circuit Jan. 30, 1996
5243428 Method and apparatus for concealing errors in a digital television Sep. 7, 1993
5083195 Color display control system Jan. 21, 1992
4965574 Variable-brightness display for use in a navigation system for a vehicle Oct. 23, 1990
4876589 Phase responsive composite video signal control system Oct. 24, 1989
4742387 Method and apparatus for automatically establishing a color balance of a color television monitor including an ambient light sensing and data compensating function May. 3, 1988
4410841 Roping and moire reduction in patterned screen cathode ray tube displays Oct. 18, 1983

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