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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
7079583 Media processing apparatus which operates at high efficiency Jul. 18, 2006
7079606 Method of obtaining an antenna gain Jul. 18, 2006
7079834 Mobile station identification system and method Jul. 18, 2006
7075983 Image processing apparatus Jul. 11, 2006
7075985 Methods and systems for efficient video compression by recording various state signals of video cameras Jul. 11, 2006
7075989 Motion compensating apparatus, moving image coding apparatus and method Jul. 11, 2006
7072404 Decoding apparatus, control method therefor, and storage medium Jul. 4, 2006
7068733 Sampling technique for digital beam former Jun. 27, 2006
7065137 Difference messaging protocol that uses prior state information Jun. 20, 2006
7065138 Video signal quantizing apparatus and method thereof Jun. 20, 2006
7061981 Motion vector conversion method and conversion apparatus Jun. 13, 2006
7057638 Stereoscopic image display apparatus Jun. 6, 2006
7054363 Variable bit rate video encoding method and device May. 30, 2006
7050492 Matching of a reduced spectrum lighting source with video encoding program variables for increased data compression ratios May. 23, 2006
7050493 Bandwidth-efficient modulation in communication systems May. 23, 2006
7050494 Frame display method and apparatus using single field data May. 23, 2006
7047190 Method and apparatus for performing packet loss or frame erasure concealment May. 16, 2006
7039105 Adaptive information compression May. 2, 2006
7039106 Processing digital data prior to compression May. 2, 2006
7039109 Reducing halo-like effects in motion-compensated interpolation May. 2, 2006
7039242 Image processing device and image processing method May. 2, 2006
7027505 System and method for bandwidth compression of frequency and phase modulated signals and suppression of the upper and lower sidebands from the transmission medium Apr. 11, 2006
7027506 Object-based bit rate control method and system thereof Apr. 11, 2006
7027512 Spatio-temporal hybrid scalable video coding apparatus using subband decomposition and method Apr. 11, 2006
7027516 Method and apparatus for splicing Apr. 11, 2006
7020192 Method of retrieving video picture and apparatus therefor Mar. 28, 2006
7020205 Sending progressive video sequences suitable for MPEG and other data formats Mar. 28, 2006
7016407 Pre-processing of bit rate allocation in a multi-channel video encoder Mar. 21, 2006
7016413 Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions Mar. 21, 2006
7012971 Channel quality assessment method and system for performing the same Mar. 14, 2006
7009606 Method and apparatus for generating pseudo-three-dimensional images Mar. 7, 2006
7010034 Video compression Mar. 7, 2006
7006575 Picture and sound decoding apparatus picture and sound encoding apparatus and information transmission system Feb. 28, 2006
7002913 Packet loss compensation method using injection of spectrally shaped noise Feb. 21, 2006
7003033 Systems and methods for encoding redundant motion vectors in compressed video bitstreams Feb. 21, 2006
7003451 Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system Feb. 21, 2006
6999511 Dynamically switching quant matrix tables within an MPEG-2 encoder Feb. 14, 2006
6996170 Adaptive optimization methods, devices and appliances for the transmission of coded signals Feb. 7, 2006
6996181 Motion estimation method by employing a stochastic sampling technique Feb. 7, 2006
6990148 Apparatus for and method of transforming scanning format Jan. 24, 2006
6990150 System and method for using a High-Definition MPEG decoder to extract multiple Standard Definition frames from a High-Definition frame Jan. 24, 2006
6987805 Macroblock level intrarefresh technique for encoded video Jan. 17, 2006
6987807 Frame compression using differential codes and an escape code Jan. 17, 2006
6985524 Apparatus and method for adjusting real time video to compensate for color blindness Jan. 10, 2006
6983013 Method and device for encoding video signal Jan. 3, 2006
6983014 Image encoding device and image decoding device Jan. 3, 2006
6980593 Wireless transmission-reception system Dec. 27, 2005
6980606 Device for reconstructing a runlength constrained sequence Dec. 27, 2005
6980933 Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients Dec. 27, 2005
6973121 Repeater system and method of receiving a modulated input signal and transmitting a modulated output signal Dec. 6, 2005

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