Inventor · disambiguated record
Karl A. Belser
Also filed as: BELSER KARL · BELSER KARL A · BELSER KARL ARNOLD
65 granted patents·1 pending application·2,020 citations·filing 1974–2004
99Inventor score
Top patents by PatentIndex Score
66 records- 0198US6643082B1Servo sector format for a patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Nov 4, 2003·127 cites·27 claims
- 0297US6738207B1Method for synchronizing the write current for magnetic recording with the bit islands on discrete bit patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2000·Granted May 18, 2004·108 cites·30 claims
- 0397US6411459B1Advanced servo writing method for hard disc drivesSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jun 25, 2002·90 cites·14 claims
- 0496US6549699B2Reconfigurable all-optical multiplexers with simultaneous add-drop capabilityCAPELLA PHOTONICS INC·Filed 2002·Granted Apr 15, 2003·98 cites·35 claims
- 0596US4912585ADiscrete track thin film magnetic recording disk with embedded servo informationIBM·Filed 1988·Granted Mar 27, 1990·75 cites·5 claims
- 0694US6751035B1Method and system for initializing patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jun 15, 2004·48 cites·21 claims
- 0794US6631046B2Servo track writing using extended copying with head offsetSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Oct 7, 2003·72 cites·11 claims
- 0894US4914725ATransducer positioning servo mechanisms employing digital and analog circuitsIBM·Filed 1989·Granted Apr 3, 1990·86 cites·27 claims
- 0993US6785075B2Self-writing servo and clock fields on a recording mediumSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Aug 31, 2004·41 cites·17 claims
- 1093US6703099B2Perpendicular magnetic recording media with patterned soft magnetic underlayerSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Mar 9, 2004·37 cites·16 claims
- 1193US6081397AMethod and apparatus for SID-to-SID period estimationIBM·Filed 1997·Granted Jun 27, 2000·85 cites·52 claims
- 1292US6510015B2Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the sameSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jan 21, 2003·39 cites·20 claims
- 1392US5966264ATwo frequency servo PES patternINT BUSINESS MACHINES CORORATI·Filed 1997·Granted Oct 12, 1999·96 cites·21 claims
- 1491US6751046B1Writing servo data patterns on a data storage disk to account for repeatable and non-repeatable disturbances and thereby provide concentric data tracksSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jun 15, 2004·31 cites·13 claims
- 1590US6771443B2Circumferential positioning of servo sectors for servo track writingSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Aug 3, 2004·30 cites·25 claims
- 1689US6898031B1Method for replicating magnetic patterns on hard disk mediaSEAGATE TECHNOLOGY LLC·Filed 2001·Granted May 24, 2005·27 cites·24 claims
- 1789US6798594B2Position sensing system for a disc drive using micro-servo sectors and side-by-side R/W recording elementsSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Sep 28, 2004·27 cites·10 claims
- 1889US5418773AZoned record carrierIBM·Filed 1993·Granted May 23, 1995·47 cites·7 claims
- 1989US4074254AXy addressable and updateable compressed video refresh buffer for digital tv displayIBM·Filed 1976·Granted Feb 14, 1978·51 cites·4 claims
- 2088US6754032B1Method and system for radial and circumferential alignment of data tracks on patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jun 22, 2004·24 cites·15 claims
- 2188US6724558B2Servo writing in a disc drive with substantially identical heads having read and write elements in a radial offset positionSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Apr 20, 2004·25 cites·16 claims
- 2288US6614608B1Buried servo patterned mediaSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Sep 2, 2003·24 cites·20 claims
- 2388US5615205ABi-level optical media having embossed header formatIBM·Filed 1995·Granted Mar 25, 1997·57 cites·17 claims
- 2484US5400313AOptical data storage system and method with reduced heat buildupIBM·Filed 1992·Granted Mar 21, 1995·36 cites·64 claims
- 2583US6204989B1Controlling a media master writing machine to produce curvilinear servo sector patternsSEAGATE TECHNOLOGY·Filed 1998·Granted Mar 20, 2001·39 cites·20 claims
- 2683US6021463AMethod and means for efficiently managing update writes and fault tolerance in redundancy groups of addressable ECC-coded sectors in a DASD storage subsystemIBM·Filed 1997·Granted Feb 1, 2000·73 cites·6 claims
- 2782US5889641AMagneto-resistive magneto-optical headSEAGATE TECHNOLOGY·Filed 1997·Granted Mar 30, 1999·38 cites·13 claims
- 2882US3973245AMethod and apparatus for point plotting of graphical data from a coded source into a buffer and for rearranging that data for supply to a raster responsive deviceIBM·Filed 1974·Granted Aug 3, 1976·26 cites·7 claims
- 2977US6775100B1Laser assisted track width definition and radial control with magnetic recordingSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Aug 10, 2004·26 cites·26 claims
- 3077US5737344ADigital data storage with increased robustness against data lossIBM·Filed 1995·Granted Apr 7, 1998·30 cites·51 claims
- 3175US6264848B1Method for providing track position and identification information for data storage devicesSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Jul 24, 2001·23 cites·14 claims
- 3274US6345021B1System and method of efficient servo sector encodingSEAGATE TECHNOLOGY·Filed 1998·Granted Feb 5, 2002·24 cites·38 claims
- 3373US6529460B1Detection of pulse peak instance and amplitude in a storage driveSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Mar 4, 2003·23 cites·17 claims
- 3473US6496943B1Apparatus and method for efficient defect management in a magneto-optical data storage systemSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Dec 17, 2002·23 cites·39 claims
- 3573US6330279B1System and method of correcting gain and offset error in a signal amplifier for a position sensitive detectorSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Dec 11, 2001·28 cites·22 claims
- 3671US6706358B1Storage disk comprising depressions and /or raised featuresSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Mar 16, 2004·23 cites·29 claims
- 3770US6868048B1Data storage system having thermally activated readoutSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Mar 15, 2005·8 cites·50 claims
- 3869US5327408AOptical disk with sector servo patterns compensating for variations in pattern size and/or radial velocityIBM·Filed 1990·Granted Jul 5, 1994·18 cites·19 claims
- 3965US6008960ASplit table generator and method for format data compression in disk drivesIBM·Filed 1996·Granted Dec 28, 1999·17 cites·26 claims
- 4064US6278667B1System and method for light power control in a magneto-optical driveSEAGATE TECHNOLOGY·Filed 1998·Granted Aug 21, 2001·17 cites·1 claims
- 4163US6604223B1System and method for correcting interference errors in data encoded on storage mediaSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Aug 5, 2003·15 cites·43 claims
- 4263US6188472B1System and method for direct measurement of alignment error in a fiber couplerIOLON INC·Filed 1999·Granted Feb 13, 2001·25 cites·39 claims
- 4362US6781785B2Method and system for utilizing circular marks in position error signal patternsSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Aug 24, 2004·4 cites·24 claims
- 4460US5793555ASeek optimization for disk files with side-by-side headIBM·Filed 1996·Granted Aug 11, 1998·14 cites·14 claims
- 4559US6469465B1Precision micro-motor position controllerSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Oct 22, 2002·8 cites·18 claims
- 4659US6185174B1Disk drive system having hybrid analog/digital pulse peak instance/amplitude data detection channelsSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Feb 6, 2001·13 cites·10 claims
- 4759US6002541AMethod and apparatus for providing a linear position error sensing (PES) signalIBM·Filed 1997·Granted Dec 14, 1999·13 cites·25 claims
- 4856US6788641B2Method for providing track position and identification information for data storage devicesSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Sep 7, 2004·2 cites·13 claims
- 4955US6052348ASystem and method for write location defect compensation in computer storage mediaSEAGATE TECHNOLOGY·Filed 1998·Granted Apr 18, 2000·11 cites·22 claims
- 5055US6049442AMultiply-written servo burst patterns for minimizing position error in servo disk drivesIBM·Filed 1997·Granted Apr 11, 2000·11 cites·43 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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