Inventor
WIDMER ALBERT X
US21 patents
Patents
21 patentsUS6496540B1Dec 17, 2002
Transformation of parallel interface into coded format with preservation of baud-rate
IBM145 citations99
US4486739ADec 4, 1984
Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code
IBM681 citations99
US6977599B2Dec 20, 2005
8B/10B encoding and decoding for high speed applications
IBM67 citations98
US6198413B1Mar 6, 2001
Partitioned DC balanced (0,6) 16B/18B transmission code with error correction
IBM106 citations98
US5301196AApr 5, 1994
Half-speed clock recovery and demultiplexer circuit
IBM144 citations97
US6614369B1Sep 2, 2003
DC balanced 7B/8B, 9B/10B, and partitioned DC balanced 12B/14B, 17B/20B, and 16B/18B transmission codes
IBM59 citations96
US5784387AJul 21, 1998
Method for detecting start-of-frame, end of frame and idle words in a data stream
IBM66 citations96
US5740186AApr 14, 1998
Apparatus and method for error correction based on transmission code violations and parity
IBM71 citations96
US4665517AMay 12, 1987
Method of coding to minimize delay at a communication node
IBM89 citations96
US7405679B1Jul 29, 2008
Techniques for 9B10B and 7B8B coding and decoding
IBM16 citations92
US6978416B2Dec 20, 2005
Error correction with low latency for bus structures
IBM19 citations92
US6876315B1Apr 5, 2005
DC-balanced 6B/8B transmission code with local parity
IBM35 citations92
US6549310B1Apr 15, 2003
Fiber optic data link module with built-in link diagnostics
IBM31 citations92
US5699062ADec 16, 1997
Transmission code having local parity
IBM32 citations92
US5648776AJul 15, 1997
Serial-to-parallel converter using alternating latches and interleaving techniques
IBM48 citations92
US5457718AOct 10, 1995
Compact phase recovery scheme using digital circuits
IBM29 citations90
US7292161B2Nov 6, 2007
NB/MB coding apparatus and method using both disparity independent and disparity dependent encoded vectors
IBM10 citations84
US6911921B2Jun 28, 2005
5B/6B-T, 3B/4B-T and partitioned 8B/10B-T and 10B/12B transmission codes, and their implementation for high operating rates
IBM11 citations74
US6429794B1Aug 6, 2002
Format converter
IBM7 citations72
US7592933B2Sep 22, 2009
Techniques for 9B10B and 7B8B coding and decoding
IBM3 citations63
US4408167AOct 4, 1983
Current amplifier stage with diode interstage connection
IBM0 citations41