Inventor · disambiguated record
Travis E. Ell
Also filed as: ELL TRAVIS E · ELL TRAVIS EUGENE
13 granted patents·517 citations·filing 1986–2003
94Inventor score
Top patents by PatentIndex Score
13 records- 0197US6958881B1Disk drive control system having a servo processing accelerator circuitWESTERN DIGITAL TECH INC·Filed 2003·Granted Oct 25, 2005·116 cites·17 claims
- 0295US7440214B1Disk drive and method having cost-effective storage of the disk drive's internal program codeWESTERN DIGITAL TECH INC·Filed 2003·Granted Oct 21, 2008·131 cites·13 claims
- 0392US6493177B1Microactuator assisted seek and hysteresis correction method and apparatus for a disk driveSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 10, 2002·41 cites·10 claims
- 0491US6563665B1PQ enhanced observer based dual stage servo controllerSEAGATE TECHNOLOGY LLC·Filed 2000·Granted May 13, 2003·38 cites·19 claims
- 0591US6542326B1Microactuator-induced reactive forces for fine positioning a sensorSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Apr 1, 2003·32 cites·10 claims
- 0691US6490118B1Adaptive h-infinity hardware controller for disc drive actuator controlSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 3, 2002·36 cites·17 claims
- 0787US4691152AData disk drive velocity estimatorIBM·Filed 1986·Granted Sep 1, 1987·53 cites·7 claims
- 0885US6490121B1Accelerated servo control calculations method and apparatus for a disc driveSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 3, 2002·21 cites·22 claims
- 0984US6590734B1Observer based dual stage servo controller with gain boost to accomodate rotational vibrationSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jul 8, 2003·20 cites·20 claims
- 1077US6674605B1PQ enhanced dual stage servo controllerSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jan 6, 2004·12 cites·20 claims
- 1170US6469863B1Active magnetic bearing system for improved servo controlSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Oct 22, 2002·8 cites·15 claims
- 1257US6671121B1Minimizing milli-actuator reactive impulse and excessive power currentSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 30, 2003·4 cites·14 claims
- 1333US6604121B1Digital division device and method using a reduced-sized lookup tableSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Aug 5, 2003·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →