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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
7554609 Method and apparatus for detecting and rejecting NTSC Interference in ATSC system Jun. 30, 2009
7551694 Limiter based analog demodulator Jun. 23, 2009
7551232 Noise adaptive 3D composite noise reduction Jun. 23, 2009
7548278 Spatio-temporal noise removal method using block classification and display device using the same Jun. 16, 2009
7548277 Device and method for estimating the noise of a video signal Jun. 16, 2009
7545893 Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation Jun. 9, 2009
7538825 Wireless redistribution system for terrestrial digital television broadcasting May. 26, 2009
7538824 Systems and methods for reducing noise during video deinterlacing May. 26, 2009
7538822 Apparatus and method for filtering digital image signal May. 26, 2009
7535517 Method of motion compensated temporal noise reduction May. 19, 2009
7522220 Dual-channel adaptive 2D noise reduction for video signals Apr. 21, 2009
7511769 Interframe noise reduction for video Mar. 31, 2009
7511768 Dynamic filter to limit ringing Mar. 31, 2009
7505515 Accurate timing alignments for decision directed continuous time equalizers Mar. 17, 2009
7505083 Directional interpolative smoother Mar. 17, 2009
7499109 Method and apparatus for receiving digital television signals using space diversity and beam-forming Mar. 3, 2009
7483481 System and method for adaptively updating precoder taps Jan. 27, 2009
7483039 System for programmable dithering of video data Jan. 27, 2009
7474356 Display system and method of eliminating residual image in the same Jan. 6, 2009
7474316 Bit-depth extension of digital displays via the use of models of the impulse response of the visual system Jan. 6, 2009
7466364 Device for reducing flicker defects Dec. 16, 2008
7460180 Method for false color suppression Dec. 2, 2008
7460147 Interference detecting circuit utilizing synchronization symbols and method thereof Dec. 2, 2008
7460133 Optimal hiding for defective subpixels Dec. 2, 2008
7454083 Image processing apparatus, image processing method, noise-amount estimate apparatus, noise-amount estimate method, and storage medium Nov. 18, 2008
7453523 Noise reduction apparatus Nov. 18, 2008
7450778 Artifact reduction in a digital video Nov. 11, 2008
7450181 Bit-depth extension with models of equivalent input visual noise Nov. 11, 2008
7443448 Apparatus to suppress artifacts of an image signal and method thereof Oct. 28, 2008
7440037 Anti-aliasing characters for improved display on an interlaced television monitor Oct. 21, 2008
7440035 Cable extending device Oct. 21, 2008
7430337 System and method for removing ringing artifacts Sep. 30, 2008
7428020 Method and apparatus for noise reduction of video signals Sep. 23, 2008
7426315 Method for reducing blocking artifacts Sep. 16, 2008
7421021 Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control Sep. 2, 2008
7420623 Image-signal processing apparatus for enhancing specific frequency component of image signal and correcting the edge of reproduced image Sep. 2, 2008
7418149 Apparatus and method for adaptive 3D noise reduction Aug. 26, 2008
7405770 Adaptive equalization method and system for reducing noise and distortion in a sampled video signal Jul. 29, 2008
7400362 Method and apparatus to interface video signals to a decoder to compensate for droop Jul. 15, 2008
7397497 Display device capable of reducing burn-in on display panel Jul. 8, 2008
7382929 Spatial scan replication circuit Jun. 3, 2008
7375741 Circuit and method for eliminating image interfering with desired channel May. 20, 2008
7369155 Apparatus and method for rejecting co-channel interference signal May. 6, 2008
7365799 Gradation display device Apr. 29, 2008
7362384 Apparatus and method for feed-forward image rejection in a dual conversion receiver Apr. 22, 2008
7362361 Noise suppressing circuit using luminance detection Apr. 22, 2008
RE40241 Communication system Apr. 15, 2008
7345712 Display apparatus Mar. 18, 2008
7343043 Image compression apparatus, method and recording medium storing an image compression program Mar. 11, 2008
7339632 Method and apparatus for processing video pictures improving dynamic false contour effect compensation Mar. 4, 2008

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