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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:
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Patent Number Title Of Patent Date Issued
7440625 Method and apparatus for decoding compressed and encoded digital images Oct. 21, 2008
7440623 Real-time contents editing method, system, and program Oct. 21, 2008
7440513 Coding and decoding packetized data Oct. 21, 2008
7436981 Apparatus and method for processing video data Oct. 14, 2008
7436889 Methods and systems for reducing requantization-originated generational error in predictive video streams using motion compensation Oct. 14, 2008
7436888 Method and apparatus for redundant image encoding and decoding Oct. 14, 2008
7436886 Coding scene transitions in video coding Oct. 14, 2008
7436884 Method and system for wavelet packet transmission using a best base algorithm Oct. 14, 2008
7436856 Method for transmitting voice data packets Oct. 14, 2008
7433528 Image processing apparatus Oct. 7, 2008
7433405 Method and system for the error resilient transmission of predictively encoded signals Oct. 7, 2008
7426285 Apparatus and method for processing video data Sep. 16, 2008
7424405 Method and arrangement for signal processing comprising first and second pulse compression filters Sep. 9, 2008
7424058 Variable bit-rate encoding Sep. 9, 2008
7420992 Adaptive network traffic compression mechanism including dynamic selection of compression algorithms Sep. 2, 2008
7415163 Method of reducing noise in images Aug. 19, 2008
7415069 Method for activation and deactivation of infrequently changing sequence and picture parameter sets Aug. 19, 2008
7415068 Process for the format conversion of an image sequence Aug. 19, 2008
7409702 Auxiliary program association table Aug. 5, 2008
7406125 Method for initialization of per tone frequency domain equalizer (FEQ) through noise reduction for multi-tone based modems Jul. 29, 2008
7406123 Visual complexity measure for playing videos adaptively Jul. 29, 2008
7405752 Mobile communication system, mobile communication terminal and program thereof for displaying video at desired positions Jul. 29, 2008
7403660 Encoding picture arrangement parameter in picture bitstream Jul. 22, 2008
7403601 Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel Jul. 22, 2008
7403564 System and method for multiple channel video transcoding Jul. 22, 2008
7403561 Fixed bit rate, intraframe compression and decompression of video Jul. 22, 2008
7400772 Spatial compression algorithm for the analysis of very large multivariate images Jul. 15, 2008
7400682 Systems and methods for reduced bit-depth processing in video-related data with frequency weighting matrices Jul. 15, 2008
7400680 Rectangular-shape motion search Jul. 15, 2008
7397957 Discrete wavelet transform unit and method for adaptively encoding still image based on energy of each block Jul. 8, 2008
7397856 Method and apparatus for storing and processing picture information of temporally successive pictures Jul. 8, 2008
7397851 Separate plane compression Jul. 8, 2008
7397850 Reciprocal index lookup for BTSC compatible coefficients Jul. 8, 2008
7397283 Digital A/V transmission PHY signaling format conversion, multiplexing, and de-multiplexing Jul. 8, 2008
7395321 Method and system for prioritized bit rate conversion Jul. 1, 2008
7391931 Method, apparatus, and program for moving image synthesis Jun. 24, 2008
7388867 Data networks Jun. 17, 2008
7386070 Hardware assisted adjacent channel leakage ratio measurement Jun. 10, 2008
7386047 Method for determining the likelihood of a match between source data and reference data Jun. 10, 2008
7386046 Bandwidth sensitive data compression and decompression Jun. 10, 2008
7379604 Device and process for coding video images by motion compensation May. 27, 2008
7379500 Low-complexity 2-power transform for image/video compression May. 27, 2008
7376554 Excitation for higher band coding in a codec utilising band split coding methods May. 20, 2008
7376277 Data transform for improved compression of multicomponent images May. 20, 2008
7376183 Post-production processing May. 20, 2008
7372903 Apparatus and method for object based rate control in a coding system May. 13, 2008
7369614 MPEG decoder of images from multiple sequences May. 6, 2008
7369611 Image coding apparatus and method of the same May. 6, 2008
7362809 Computational reduction in motion estimation based on lower bound of cost function Apr. 22, 2008
7362808 Device for and method of estimating motion in video encoder Apr. 22, 2008

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