Inventor
COKER JONATHAN D
US24 patents
⚠️ This page may combine multiple inventors who share the name “COKER JONATHAN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
18 patentsUS6625235B1Sep 23, 2003
Apparatus and method for noise-predictive maximum likelihood detection
IBM68 citations96
US5220466AJun 15, 1993
Method and apparatus for digital filter control in a partial-response maximum-likelihood disk drive system
IBM76 citations95
US5168413ADec 1, 1992
Transducer head flying height monitoring methods and apparatus for disk drive system
IBM109 citations94
US4821125AApr 11, 1989
Compensation of write current adn delta-V for recording component and radial position
IBM72 citations93
US6158027ADec 5, 2000
Enhanced noise-predictive maximum likelihood (NPML) data detection method and apparatus for direct access storage device (DASD)
IBM33 citations92
US5619539AApr 8, 1997
Data detection methods and apparatus for a direct access storage device
IBM47 citations92
US5438460AAug 1, 1995
Asynchronous gain adjustment for PRML disk drive systems
IBM45 citations92
US5416806AMay 16, 1995
Timing loop method and apparatus for PRML data detection
IBM22 citations92
US5392295AFeb 21, 1995
Error measurement circuit
IBM44 citations92
US5329535AJul 12, 1994
Variable block lengths on-the-fly error correcting decoder
IBM20 citations92
US5258940ANov 2, 1993
Distributed arithmetic digital filter in a partial-response maximum-likelihood disk drive system
IBM43 citations92
US5255131AOct 19, 1993
Asynchronous servo identification/address mark detection for PRML disk drive ssytem
IBM52 citations92
US5357520AOct 18, 1994
Method and apparatus for precompensation value determination in a PRML data channel
IBM42 citations91
US6643814B1Nov 4, 2003
Maximum transition run encoding and decoding systems
IBM47 citations90
US6557124B1Apr 29, 2003
Method and system for encoding data for high performance error control
IBM36 citations90
US5426541AJun 20, 1995
Self-equalization method for partial-response maximum-likelihood disk drive systems
IBM26 citations89
US6222879B1Apr 24, 2001
Self contained equalization method and apparatus
IBM12 citations73
US5268848ADec 7, 1993
Equalizer adjustment for partial-response maximum-likelihood disk drive systems
IBM19 citations72