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Class Information
Number: 348/607
Name: Television > Image signal processing circuitry specific to television > Noise or undesired signal reduction
Description: Subject matter including specific circuitry for the elimination of unwanted signals generated in the system, or by the transmission medium.










Sub-classes under this class:

Class Number Class Name Patents
348/615 Blackspot or shading correction (e.g., corrects for fixed pattern defects) 124
348/616 Dropout compensator (e.g., replacement type) 147
348/624 For color television 170
348/618 For removal of low amplitude random noise (e.g., variable bandwidth) 110
348/614 Ghost elimination (e.g., multipath) 335
348/608 Processing at encoder or transmitter (e.g., pre-correction) 156


Patents under this class:

Patent Number Title Of Patent Date Issued
7336320 Method and apparatus for temporally recursive chrominance signal noise reduction Feb. 26, 2008
7324167 High-quality twisted-pair transmission line system for high-resolution video Jan. 29, 2008
7319494 System and method for reducing noise in images Jan. 15, 2008
7317445 Motion blur decrease in varying duty cycle Jan. 8, 2008
7312833 Channel equalizing apparatus and method for digital television receiver Dec. 25, 2007
7308153 Weighted absolute difference based noise reduction method and apparatus Dec. 11, 2007
7307665 Method and system for generating reference signals with improved correlation characteristics for accurate time of arrival or position determination Dec. 11, 2007
7307657 Video signal processing method and device for processing luminance signal Dec. 11, 2007
7298420 Digital TV receiver Nov. 20, 2007
7295251 Television tuner capable of improving image disturbance with receiving UHF band Nov. 13, 2007
7295250 Apparatus and method for restoring DC spectrum for analog television reception using direct conversion turners Nov. 13, 2007
7289167 Television tuner including distribution connectors Oct. 30, 2007
7289161 Frame data compensation amount output device, frame data compensation device, frame data display device, and frame data compensation amount output method, frame data compensation method Oct. 30, 2007
7286183 Device for generating a video image sharpness improvement signal Oct. 23, 2007
7280161 Noise reduction circuit and method Oct. 9, 2007
7268836 Television tuner device generating intermediate-frequency signal free from harmonic interference of reference signal Sep. 11, 2007
7268835 Device and method for noise reduction of a video signal Sep. 11, 2007
7265661 Display system for vehicle and method of controlling the same Sep. 4, 2007
7256838 Video signal processing method for digital video decoder Aug. 14, 2007
7250984 VDT stress mitigating device and method, VDT stress risk quantifying device and method, and recording medium Jul. 31, 2007
7250981 Video signal processor and video signal processing method which interpolate a video signal using an interpolation factor based on phase information of a selected clock Jul. 31, 2007
7248302 Picture signal processing Jul. 24, 2007
7245783 System and method for estimating, synthesizing and matching noise in digital images and image sequences Jul. 17, 2007
7236643 System and method for filtering and binarization of images in the presence of specular noise Jun. 26, 2007
7227596 Colour defects in a display panel due to different time response of phosphors Jun. 5, 2007
7227541 Image display apparatus and method of determining characteristic of conversion circuitry of an image display apparatus Jun. 5, 2007
7224405 Horizontal contour correction circuit May. 29, 2007
7221404 Video signal processing method and device May. 22, 2007
7218357 Parallel structure NTSC rejection filter and filtering method May. 15, 2007
7218316 Image signal processing apparatus and method and image display apparatus and method May. 15, 2007
7209182 False contour correcting apparatus and method Apr. 24, 2007
7203378 Accelerative noise filtering method for image data Apr. 10, 2007
7199838 Motion adaptive noise reduction apparatus and method for video signals Apr. 3, 2007
7185242 Digital display apparatus supporting error compensation and method thereof Feb. 27, 2007
7184937 Signal repetition-rate and frequency-drift estimator using proportional-delayed zero-crossing techniques Feb. 27, 2007
7180552 Channel equalizer in digital TV receiver Feb. 20, 2007
7177354 Method and apparatus for the control of a decision feedback equalizer Feb. 13, 2007
7174049 Image upscaling by joint optimization of low and mid-level image variables Feb. 6, 2007
7174045 Image compression apparatus, method and recording medium storing an image compression program Feb. 6, 2007
7170645 Method and apparatus for enhancing digital image quality Jan. 30, 2007
7164932 Millimeter band signal transmitting/receiving system having function of transmitting/receiving millimeter band signal and house provided with the same Jan. 16, 2007
7164449 Method and apparatus for isolating IIC bus noise from a tuner in a television receiver Jan. 16, 2007
7161613 NTSC interference rejection filter Jan. 9, 2007
7158189 Adaptive non-linear noise reduction techniques Jan. 2, 2007
7151573 Channel equalizer and digital television receiver using the same Dec. 19, 2006
7145607 Spatio-temporal video noise reduction system Dec. 5, 2006
7142253 Method and apparatus for processing video pictures for improving picture quality for subsequent display Nov. 28, 2006
7139035 Video noise floor estimator with impulse noise detection Nov. 21, 2006
7136111 Channel equalizer and digital TV receiver using the same Nov. 14, 2006
7136055 Method of indexing seizure risk due to flashing lights on video display and system therefor Nov. 14, 2006











 
 
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