Travis E. Ell

Person

Oklahoma City, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
PQ enhanced dual stage servo controller
- Patent number 6,674,605
- Issue date Jan 6, 2004
- Seagate Technology LLC
- Travis E. Ell
- G11 - INFORMATION STORAGE
Information Patent Grant
Minimizing milli-actuator reactive impulse and excessive power current
- Patent number 6,671,121
- Issue date Dec 30, 2003
- Seagate Technology LLC
- Robert T. Bradbury
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital division device and method using a reduced-sized lookup table
- Patent number 6,604,121
- Issue date Aug 5, 2003
- Seagate Technology LLC
- Travis E. Ell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Observer based dual stage servo controller with gain boost to accom...
- Patent number 6,590,734
- Issue date Jul 8, 2003
- Seagate Technology LLC
- Travis E. Ell
- G11 - INFORMATION STORAGE
Information Patent Grant
PQ enhanced observer based dual stage servo controller
- Patent number 6,563,665
- Issue date May 13, 2003
- Seagate Technology LLC
- Travis E. Ell
- G11 - INFORMATION STORAGE
Information Patent Grant
Microactuator-induced reactive forces for fine positioning a sensor
- Patent number 6,542,326
- Issue date Apr 1, 2003
- Seagate Technology LLC
- Travis Eugene Ell
- G11 - INFORMATION STORAGE
Information Patent Grant
Microactuator assisted seek and hysteresis correction method and ap...
- Patent number 6,493,177
- Issue date Dec 10, 2002
- Seagate Technology LLC
- Travis E. Ell
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive h-infinity hardware controller for disc drive actuator con...
- Patent number 6,490,118
- Issue date Dec 3, 2002
- Seagate Technology LLC
- Travis E. Ell
- G11 - INFORMATION STORAGE
Information Patent Grant
Accelerated servo control calculations method and apparatus for a d...
- Patent number 6,490,121
- Issue date Dec 3, 2002
- Seagate Technology LLC
- David C. Pruett
- G11 - INFORMATION STORAGE
Information Patent Grant
Active magnetic bearing system for improved servo control
- Patent number 6,469,863
- Issue date Oct 22, 2002
- Seagate Technology LLC
- Travis E. Ell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Travis E. Ell

Person

Patents Grantslast 30 patents

PQ enhanced dual stage servo controller

Minimizing milli-actuator reactive impulse and excessive power current

Digital division device and method using a reduced-sized lookup table

Observer based dual stage servo controller with gain boost to accom...

PQ enhanced observer based dual stage servo controller

Microactuator-induced reactive forces for fine positioning a sensor

Microactuator assisted seek and hysteresis correction method and ap...

Adaptive h-infinity hardware controller for disc drive actuator con...

Accelerated servo control calculations method and apparatus for a d...

Active magnetic bearing system for improved servo control