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Class Information
Number: 341/52
Name: Coded data generation or conversion > Digital code to digital code converters > To or from particular bit symbol
Description: Subject matter for converting digital signals, where certain types of wave forms are used to represent zeros and ones, to other digital signals where different wave forms are used to represent zeros and ones.

Sub-classes under this class:

Class Number Class Name Patents
341/54 Bit represented by discrete frequency 32
341/53 Bit represented by pulse width 121

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8644809 System and method of transmitting electronic voucher through short message Feb. 4, 2014
8618964 Distributed threshold adjustment for high speed receivers Dec. 31, 2013
8604945 Apparatus and method for channel encoding in a communication/broadcasting system Dec. 10, 2013
8559539 Method, apparatus and computer readable storage medium Oct. 15, 2013
8278840 Sigma delta current source and LED driver Oct. 2, 2012
8145794 Encoding/decoding while allowing varying message formats per message Mar. 27, 2012
8077063 Method and system for determining bit stream zone statistics Dec. 13, 2011
8077060 Distributed threshold adjustment for high speed receivers Dec. 13, 2011
7936787 Technique for data compression by decoding binary encoded data May. 3, 2011
7864087 Methods and systems for modifying the statistical distribution of symbols in a coded message Jan. 4, 2011
7834784 Data redundancy elimination mechanism including fast lookup of data patterns exhibiting spatial locality Nov. 16, 2010
7786903 Combinatorial coding/decoding with specified occurrences for electrical computers and digital data processing systems Aug. 31, 2010
7683809 Advanced lossless bit coding Mar. 23, 2010
7656319 Context-based encoding and decoding of signals Feb. 2, 2010
7633413 Systems and processes for decoding a chain reaction code through inactivation Dec. 15, 2009
7511640 Digital compression of binary data blocks Mar. 31, 2009
7421032 Serial concatenation of interleaved convolutional codes forming turbo-like codes Sep. 2, 2008
7411524 Channel coding method with corresponding code and demodulation and decoding method and means Aug. 12, 2008
7304932 Data recording medium, and data recording method and device Dec. 4, 2007
7292162 Data coding system and method Nov. 6, 2007
7230549 Method and system for synchronizing bit streams for PCI express devices Jun. 12, 2007
7219173 System for video processing control and scheduling wherein commands are unaffected by signal interrupts and schedule commands are transmitted at precise time May. 15, 2007
7167518 Bandwidth-efficient modulation in communication systems Jan. 23, 2007
7098814 Method and apparatus for encoding and/or decoding digital data Aug. 29, 2006
7079057 Context-based adaptive binary arithmetic coding method and apparatus Jul. 18, 2006
7050493 Bandwidth-efficient modulation in communication systems May. 23, 2006
7043160 Method, system and signal for carrying overhead information in a transport network employing photonic switching nodes May. 9, 2006
6920183 Crosstalk equalization for input-output driver circuits Jul. 19, 2005
6900748 Method and apparatus for binarization and arithmetic coding of a data value May. 31, 2005
6845360 Encoding multiple messages in audio data and detecting same Jan. 18, 2005
6833798 Method for coding a sequence of data bytes via an air interface Dec. 21, 2004
6806817 Means and method of data encoding and communication at rates above the channel bandwidth Oct. 19, 2004
6762700 NEO method and system for lossless compression and decompression Jul. 13, 2004
6751303 Data communication over telephone voice channel using DTMF interface Jun. 15, 2004
6593860 Distributed on-demand media transcoding system and method Jul. 15, 2003
6570509 Method and system for encoding to mitigate decoding errors in a receiver May. 27, 2003
6476735 Method of encoding bits using a plurality of frequencies Nov. 5, 2002
6411231 Encoding, decoding, and probability estimation method Jun. 25, 2002
6407680 Distributed on-demand media transcoding system and method Jun. 18, 2002
6271774 Picture data processor, picture data decoder and picture data encoder, and methods thereof Aug. 7, 2001
6259383 Logic circuit and signal transmission method Jul. 10, 2001
6005501 Apparatus and method for encoding and decoding information in audio signals Dec. 21, 1999
5844510 System and method for extracting a data signal encoded onto first and second binary signals Dec. 1, 1998
5828325 Apparatus and method for encoding and decoding information in analog signals Oct. 27, 1998
5781136 Digital information encoding device, digital information decoding device, digital information encoding/decoding device, digital information encoding method, and digital information decoding me Jul. 14, 1998
5771102 Process for the transmission of images Jun. 23, 1998
5710919 Record compression Jan. 20, 1998
5644569 Transmission of messages Jul. 1, 1997
5625830 Reduced circuit, high performance, binary select encoder network Apr. 29, 1997
5446763 Apparatus and method for converting soft symbols into soft bits Aug. 29, 1995

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