Ell; Travis E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ell; Travis E..The latest application filed is for "disk drive and method having cost-effective storage of the disk drive's internal program code".

Company Profile

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Ell; Travis E. - Foothill Ranch CA
Ell; Travis E. - Oklahoma City OK
Ell; Travis E. - Austin TX
Ell; Travis E. - Rochester MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Disk drive and method having cost-effective storage of the disk drive's internal program code Grant 7,440,214 - Ell , et al. October 21, 2	2008-10-21
Disk drive control system having a servo processing accelerator circuit Grant 6,958,881 - Codilian , et al. October 25, 2	2005-10-25
PQ enhanced dual stage servo controller Grant 6,674,605 - Ell January 6, 2	2004-01-06
Minimizing milli-actuator reactive impulse and excessive power current Grant 6,671,121 - Bradbury , et al. December 30, 2	2003-12-30
Digital division device and method using a reduced-sized lookup table Grant 6,604,121 - Ell , et al. August 5, 2	2003-08-05
Observer based dual stage servo controller with gain boost to accomodate rotational vibration Grant 6,590,734 - Ell July 8, 2	2003-07-08
PQ enhanced observer based dual stage servo controller Grant 6,563,665 - Ell May 13, 2	2003-05-13
Microactuator assisted seek and hysteresis correction method and apparatus for a disk drive Grant 6,493,177 - Ell , et al. December 10, 2	2002-12-10
Adaptive h-infinity hardware controller for disc drive actuator control Grant 6,490,118 - Ell , et al. December 3, 2	2002-12-03
Active magnetic bearing system for improved servo control Grant 6,469,863 - Ell October 22, 2	2002-10-22
Data disk drive velocity estimator Grant 4,691,152 - Ell , et al. September 1, 1	1987-09-01

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