Inventor
SIEGEL PAUL H
US23 patents
⚠️ This page may combine multiple inventors who share the name “SIEGEL PAUL H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
16 patentsUS4888779ADec 19, 1989
Matched spectral null trellis codes for partial response channels
IBM64 citations96
US4567464AJan 28, 1986
Fixed rate constrained channel code generating and recovery method and means having spectral nulls for pilot signal insertion
IBM54 citations96
US4566044AJan 21, 1986
Direction-constrained ternary codes using peak and polarity detection
IBM63 citations96
US5510912AApr 23, 1996
Method and apparatus for modulation of multi-dimensional data in holographic storage
IBM61 citations95
US5280489AJan 18, 1994
Time-varying Viterbi detector for control of error event length
IBM57 citations95
US4949196AAug 14, 1990
Method and apparatus for asymmetrical RLL coding
IBM55 citations95
US5548600AAug 20, 1996
Method and means for generating and detecting spectrally constrained coded partial response waveforms using a time varying trellis modified by selective output state splitting
IBM31 citations92
US5537424AJul 16, 1996
Matched spectral null codes with partitioned systolic trellis structures
IBM36 citations92
US5497384AMar 5, 1996
Permuted trellis codes for input restricted partial response channels
IBM43 citations92
US5450443ASep 12, 1995
Method and apparatus for constructing asymptotically optimal second order DC-free channel codes
IBM38 citations92
US5430744AJul 4, 1995
Method and means for detecting partial response waveforms using a modified dynamic programming heuristic
IBM41 citations92
US4888775ADec 19, 1989
Trellis codes for partial response channels
IBM49 citations92
US4882583ANov 21, 1989
Modified sliding block code for limiting error propagation
IBM33 citations92
US4870414ASep 26, 1989
Even mark modulation coding method
IBM29 citations92
US4786890ANov 22, 1988
Method and apparatus for implementing a PRML code
IBM43 citations91
US4881076ANov 14, 1989
Encoding for pit-per-transition optical data recording
IBM5 citations60
UNIV CALIFORNIA
3 patentsUS6795947B1Sep 21, 2004
Parity check outer code and runlength constrained outer code usable with parity bits
UNIV CALIFORNIA52 citations94
US7484168B2Jan 27, 2009
Parity check outer code and runlength constrained outer code usable with parity bits
UNIV CALIFORNIA8 citations84
US7284186B2Oct 16, 2007
Parity check outer code and runlength constrained outer code usable with parity bits
UNIV CALIFORNIA2 citations61