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Class Information
Number: 375/240
Name: Pulse or digital communications > Bandwidth reduction or expansion
Description: Subject matter where the width of the frequency spectrum of a pulse or digital signal is either reduced or expanded.










Sub-classes under this class:

Class Number Class Name Patents
375/241 Pulse code modulation 172
375/240.01 Television or motion video signal 2,100


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7200276 Rate allocation for mixed content video Apr. 3, 2007
7194135 Image recording device Mar. 20, 2007
7177360 Video encoding method and video decoding method Feb. 13, 2007
7177355 Method for representing encoding upon coding information Feb. 13, 2007
7173968 Method for coding and decoding a digitalized image Feb. 6, 2007
7170942 Systems and methods for efficient video-related data processing Jan. 30, 2007
7170934 Method and/or apparatus for motion estimation using a hierarchical search followed by a computation split for different block sizes Jan. 30, 2007
7170933 Method and system for objective quality assessment of image and video streams Jan. 30, 2007
7170932 Video transcoder with spatial resolution reduction and drift compensation Jan. 30, 2007
7167518 Bandwidth-efficient modulation in communication systems Jan. 23, 2007
7165130 Method and system for an adaptive multimode media queue Jan. 16, 2007
7164800 Method and system for constraint-consistent motion estimation Jan. 16, 2007
7164755 Voice storage device and voice coding device Jan. 16, 2007
7161998 Digital phase locked loop for regenerating the clock of an embedded signal Jan. 9, 2007
7158569 Methods of digital filtering and multi-dimensional data compression using the farey quadrature and arithmetic, fan, and modular wavelets Jan. 2, 2007
7154953 Video bit stream decoding system and method used in a video decoding apparatus Dec. 26, 2006
7154949 Picture coding device and method, picture transmitting device and method and recording medium Dec. 26, 2006
7151852 Method and system for segmentation, classification, and summarization of video images Dec. 19, 2006
7151801 Method and system for enhancing data quality Dec. 19, 2006
7149913 Bus clock frequency management based on characteristics of an application program Dec. 12, 2006
7146519 Bus clock frequency management based on device bandwidth characteristics Dec. 5, 2006
7145949 Video signal quantizing apparatus and method thereof Dec. 5, 2006
7145946 MPEG video drift reduction Dec. 5, 2006
7142598 Adaptive DCT/IDCT apparatus based on energy and method for controlling the same Nov. 28, 2006
7139315 Apparatus and process for decoding motion pictures Nov. 21, 2006
7139309 Process to expand data density Nov. 21, 2006
7136535 Content recognizer via probabilistic mirror distribution Nov. 14, 2006
7133447 Motion estimation method using adaptive mode decision Nov. 7, 2006
7130348 Systems and methods for reduced bit-depth processing in video-related data Oct. 31, 2006
7126968 Data compression system, data decompression system, supervisory control system and computer-readable storage medium Oct. 24, 2006
7120662 Conductor gateway prioritization parameters Oct. 10, 2006
7116710 Serial concatenation of interleaved convolutional codes forming turbo-like codes Oct. 3, 2006
7110459 Approximate bicubic filter Sep. 19, 2006
7110450 Moving picture encoding apparatus Sep. 19, 2006
7106789 Method and apparatus for provisioning TDM and packet based communications on a VDSL communication medium Sep. 12, 2006
7106794 System and method for Huffman shaping in a data communication system Sep. 12, 2006
7106795 Systems and methods for enabling reduced bit-depth processing and memory reduction in video-related data processing Sep. 12, 2006
7107212 Bitstream data reduction coding by applying prediction Sep. 12, 2006
7103099 Selective compression Sep. 5, 2006
7099387 Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses Aug. 29, 2006
7099884 System and method for data compression and decompression Aug. 29, 2006
7092441 Moving pictures encoding with constant overall bit rate Aug. 15, 2006
7092442 System and method for adaptive field and frame video encoding using motion activity Aug. 15, 2006
7088774 Media stream synchronization Aug. 8, 2006
7088779 Method and apparatus for reducing the word length of a digital input signal and method and apparatus for recovering a digital input signal Aug. 8, 2006
7085875 Modular switch with dynamic bus Aug. 1, 2006
7082161 Television/cinema scheme identification apparatus and identification method Jul. 25, 2006
7082165 Video compression and transmission apparatus and video compression and transmission method Jul. 25, 2006
7078872 System and method for conditioning a signal Jul. 18, 2006
7079580 Moving picture encoder, moving picture encoding method, moving picture encoding program used therewith, and storage medium storing the same Jul. 18, 2006

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