Inventor · disambiguated record
Robert A. Hutchins
Also filed as: HUTCHINS III ROBERT ALLEN · HUTCHINS ROBERT A · HUTCHINS ROBERT ALLEN · HUTCHINS ROBERT C
168 granted patents·6 pending applications·1,845 citations·filing 1992–2020
99Inventor score
Top patents by PatentIndex Score
174 records- 0199US7839599B2Combining information from parallel servo channelsIBM·Filed 2009·Granted Nov 23, 2010·106 cites·3 claims
- 0298US8576510B2Robust metric computation of longitudinal position (LPOS) data symbol detectionCHERUBINI GIOVANNI·Filed 2011·Granted Nov 5, 2013·107 cites·20 claims
- 0398US8000057B2Combining information from parallel servo channelsIBM·Filed 2010·Granted Aug 16, 2011·99 cites·6 claims
- 0498US7495854B2Dynamic method for asymmetry compensation in a storage read channelIBM·Filed 2005·Granted Feb 24, 2009·64 cites·22 claims
- 0598US5930065ATiming based servo longitudinal addressingIBM·Filed 1997·Granted Jul 27, 1999·169 cites·85 claims
- 0695US7742254B2Servo channel for tape drive systemsIBM·Filed 2008·Granted Jun 22, 2010·21 cites·20 claims
- 0795US7394608B2Read channel apparatus for asynchronous sampling and synchronous equalizationIBM·Filed 2005·Granted Jul 1, 2008·23 cites·6 claims
- 0894US9413392B1Post-decoding error check with diagnostics for product codesIBM·Filed 2015·Granted Aug 9, 2016·11 cites·24 claims
- 0994US7903360B2Recovering servo information from a synchronous servo channelIBM·Filed 2008·Granted Mar 8, 2011·16 cites·20 claims
- 1094US7589927B2Dynamically adapting a read channel equalizerIBM·Filed 2005·Granted Sep 15, 2009·20 cites·9 claims
- 1194US7436615B2Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signalIBM·Filed 2005·Granted Oct 14, 2008·15 cites·10 claims
- 1293US8947821B1Detecting a servo pattern using a data channel in a magnetic tape driveIBM·Filed 2014·Granted Feb 3, 2015·15 cites·20 claims
- 1393US7864467B2Gain control for data-dependent detection in magnetic storage read channelsIBM·Filed 2008·Granted Jan 4, 2011·15 cites·20 claims
- 1493US7522367B2Asynchronous read channel shaped toward generalized partial response characteristicsIBM·Filed 2005·Granted Apr 21, 2009·16 cites·9 claims
- 1592US9524741B1High-density pattern detector for hybrid servo patternsIBM·Filed 2015·Granted Dec 20, 2016·12 cites·25 claims
- 1692US7924524B2System and method for generating an amplitude error signal in a magnetic tape recording channelIBM·Filed 2009·Granted Apr 12, 2011·13 cites·23 claims
- 1792US7873894B2Reverse concatenation for product codesIBM·Filed 2007·Granted Jan 18, 2011·13 cites·38 claims
- 1892US7821733B2Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signalIBM·Filed 2008·Granted Oct 26, 2010·10 cites·20 claims
- 1992US7787204B2Error correction coding of longitudinal position informationIBM·Filed 2008·Granted Aug 31, 2010·13 cites·10 claims
- 2092US7359135B2Dynamically adapting a magnetic tape read channel equalizerIBM·Filed 2007·Granted Apr 15, 2008·11 cites·18 claims
- 2191US7596176B2Apparatus, system, and method for adaptive asynchronous equalization using leakageIBM·Filed 2005·Granted Sep 29, 2009·23 cites·30 claims
- 2291US7489465B2Apparatus, system, and method for timing based servo tape formatingIBM·Filed 2007·Granted Feb 10, 2009·11 cites·17 claims
- 2390US8929014B2Tape header protection scheme for use in a tape storage subsystemIBM·Filed 2013·Granted Jan 6, 2015·10 cites·20 claims
- 2490US7573664B2Integrated multiple channel data reliability testing for a magnetic tape driveIBM·Filed 2004·Granted Aug 11, 2009·46 cites·2 claims
- 2590US7433142B2Using at least one servo channel to provide timing recovery and timing information to data channelsIBM·Filed 2006·Granted Oct 7, 2008·10 cites·35 claims
- 2690US6940682B2Data read transducers for determining lateral position of a tape head with respect to longitudinal servo bands of magnetic tapeIBM·Filed 2003·Granted Sep 6, 2005·29 cites·30 claims
- 2789US8422162B2Determining a reference waveform used by a correlator in a servo channelCHERUBINI GIOVANNI·Filed 2010·Granted Apr 16, 2013·10 cites·18 claims
- 2889US7733592B2Methods for multi-channel data detection phase locked loop frequency error combinationIBM·Filed 2007·Granted Jun 8, 2010·18 cites·9 claims
- 2988US9236084B1Dynamic gain control for use with adaptive equalizersIBM·Filed 2014·Granted Jan 12, 2016·7 cites·20 claims
- 3088US9183852B2Magnetic tape recording in data format using an efficient reverse concatenated modulation codeIBM·Filed 2013·Granted Nov 10, 2015·12 cites·15 claims
- 3188US8169736B2Method and apparatus to position a head module comprising servo elements and a plurality of data elementsBUI NHAN XUAN·Filed 2009·Granted May 1, 2012·7 cites·17 claims
- 3288US7777980B2Multi-channel data detection phase locked loop error combination logicIBM·Filed 2007·Granted Aug 17, 2010·8 cites·19 claims
- 3387US9251846B2Tape header protection scheme for use in a tape storage subsystemGLOBALFOUNDRIES INC·Filed 2014·Granted Feb 2, 2016·7 cites·20 claims
- 3487US8159770B2Apparatus and method to transfer data to and from a sequential information storage mediumBUI NHAN XUAN·Filed 2009·Granted Apr 17, 2012·6 cites·20 claims
- 3587US7271971B2Dynamically adapting a magnetic tape read channel equalizerIBM·Filed 2004·Granted Sep 18, 2007·19 cites·18 claims
- 3687US5978335AIntegrated calibration apparatus for a multi-mode information storage systemIBM·Filed 1996·Granted Nov 2, 1999·52 cites·19 claims
- 3786US9287900B2Decoding of product codesIBM·Filed 2014·Granted Mar 15, 2016·7 cites·20 claims
- 3886US9251811B1Symbol timing recovery scheme for parallel recording channel systemsIBM·Filed 2015·Granted Feb 2, 2016·6 cites·20 claims
- 3986US9159358B1Asynchronous asymmetry compensation for data read from a storage mediumIBM·Filed 2014·Granted Oct 13, 2015·5 cites·20 claims
- 4086US8964321B2Iterative data storage read channel architecture having dropout mitigationIBM·Filed 2013·Granted Feb 24, 2015·7 cites·20 claims
- 4186US8891199B2Robust metric computation of longitudinal position (LPOS) data symbol detectionIBM·Filed 2013·Granted Nov 18, 2014·6 cites·20 claims
- 4286US8743498B2Adaptive soft-output detector for magnetic tape read channelsBLINICK KATHERINE T·Filed 2012·Granted Jun 3, 2014·7 cites·25 claims
- 4386US7982992B2Dual gain control for magnetic data storage systemIBM·Filed 2009·Granted Jul 19, 2011·5 cites·24 claims
- 4486US7773327B2Multi-channel data detection phase locked loop frequency error combination logicIBM·Filed 2007·Granted Aug 10, 2010·6 cites·14 claims
- 4586US7177114B1Apparatus, system, and method for the velocity proportional clocking of time base servo tape storage devicesINTERNAT BUSSINESS MACHINES CO·Filed 2005·Granted Feb 13, 2007·7 cites·20 claims
- 4685US9673839B2Decoding of product codesIBM·Filed 2016·Granted Jun 6, 2017·4 cites·20 claims
- 4785US8910012B2Block-interleaved and error correction code (ECC)-encoded sub data set (SDS) formatIBM·Filed 2012·Granted Dec 9, 2014·9 cites·24 claims
- 4885US8054568B2Synchronization of symmetric timing based servo burstsIBM·Filed 2010·Granted Nov 8, 2011·8 cites·25 claims
- 4984US9373357B1Error protection of data stored using variable-length headersIBM·Filed 2015·Granted Jun 21, 2016·5 cites·20 claims
- 5084US8743500B2Adaptive soft-output detector for magnetic tape read channelsBLINICK KATHERINE T·Filed 2012·Granted Jun 3, 2014·6 cites·25 claims
Showing the top 50 of 174 patent records by PatentIndex Score.
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