Bryan Scott Rowan

Person

Los Gatos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device attenuating multiple actuator coupling disturbance
- Patent number 9,934,803
- Issue date Apr 3, 2018
- Western Digital Technologies, Inc.
- Tetsuo Semba
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device communicating servo information between servo c...
- Patent number 9,792,938
- Issue date Oct 17, 2017
- Western Digial Technologies, Inc.
- Masahito Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Voltage regulating systems responsive to feed-forward information f...
- Patent number 7,957,847
- Issue date Jun 7, 2011
- Hitachi Global Storage Technologies Netherlands, B.V.
- James Eddy Donaldson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adjustable voice coil motor driver
- Patent number 7,888,902
- Issue date Feb 15, 2011
- Hitachi Global Storage Technologies, Netherlands, B.V.
- Farzin Assar
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk drive with switchable compensation for mech...
- Patent number 7,595,953
- Issue date Sep 29, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Adrian E. Cerda
- G11 - INFORMATION STORAGE
Information Patent Grant
Power disturbance compensation
- Patent number 7,486,463
- Issue date Feb 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Adrian E. Cerda
- G11 - INFORMATION STORAGE
Information Patent Grant
Removable hard disk drive (HDD) that is hot-plug compatible with mu...
- Patent number 7,332,832
- Issue date Feb 19, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Bryan S. Rowan
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor drive circuitry with regenerative braking for disk drive
- Patent number 7,309,967
- Issue date Dec 18, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Michael A. Moser
- G11 - INFORMATION STORAGE
Information Patent Grant
Head positioning system for a disk drive during a power down condition
- Patent number 6,560,057
- Issue date May 6, 2003
- International Business Machines Corporation
- Erno Hilbrand Klaassen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing spindle motor control for head load...
- Patent number 6,388,832
- Issue date May 14, 2002
- International Business Machines Corporation
- Jeffrey Joseph Dobbek
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable pulse PWM DAC method and apparatus
- Patent number 6,362,766
- Issue date Mar 26, 2002
- International Business Machines Corporation
- Bryan Scott Rowan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and system for power amplifier offset nulling
- Patent number 6,262,619
- Issue date Jul 17, 2001
- International Business Machines Corporation
- Brooke McGreer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for control of a multi-pole brushless DC motor...
- Patent number 6,181,091
- Issue date Jan 30, 2001
- International Business Machines Corporation
- Scott E. Heeren
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling spindle motor commutation swit...
- Patent number 6,067,202
- Issue date May 23, 2000
- International Business Machines Corporation
- Bryan Scott Rowan
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive pulse width modulated motor control
- Patent number 5,986,426
- Issue date Nov 16, 1999
- International Business Machines Corporation
- Bryan Scott Rowan
- G05 - CONTROLLING REGULATING
Information Patent Grant
Servo-free velocity estimator for coil driven actuator arm in a dat...
- Patent number 5,963,393
- Issue date Oct 5, 1999
- International Business Machines Corporation
- Bryan S. Rowan
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for reducing spindle power and acoustic noise...
- Patent number 5,886,489
- Issue date Mar 23, 1999
- International Business Machines Corporation
- Bryan Scott Rowan
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo-free velocity estimator for coil driven actuator arm in a dat...
- Patent number 5,781,363
- Issue date Jul 14, 1998
- International Business Machines Corporation
- Bryan S. Rowan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Adjustable voice coil motor driver
- Publication number 20090168239
- Publication date Jul 2, 2009
- Farzin Assar
- G11 - INFORMATION STORAGE
Information Patent Application
Voltage regulating systems responsive to feed-forward information f...
- Publication number 20070078568
- Publication date Apr 5, 2007
- Hitachi Global Technologies Netherlands, B.V.
- James Eddy Donaldson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor drive circuitry with regenerative braking for disk drive
- Publication number 20050218846
- Publication date Oct 6, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Michael A. Moser
- G11 - INFORMATION STORAGE
Information Patent Application
Removable hard disk drive (HDD) that is hot-plug compatible with mu...
- Publication number 20050200998
- Publication date Sep 15, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Bryan S. Rowan
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
On-chip compensation scheme for bridged tap lines in ADSL hybrid
- Publication number 20030169875
- Publication date Sep 11, 2003
- LSI Logic Corporation
- Sang-Soo Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Bryan Scott Rowan

Person

Patents Grantslast 30 patents

Data storage device attenuating multiple actuator coupling disturbance

Data storage device communicating servo information between servo c...

Voltage regulating systems responsive to feed-forward information f...

Adjustable voice coil motor driver

Magnetic recording disk drive with switchable compensation for mech...

Power disturbance compensation

Removable hard disk drive (HDD) that is hot-plug compatible with mu...

Motor drive circuitry with regenerative braking for disk drive

Head positioning system for a disk drive during a power down condition

Method and system for providing spindle motor control for head load...

Variable pulse PWM DAC method and apparatus

Method and system for power amplifier offset nulling

Apparatus and method for control of a multi-pole brushless DC motor...

Method and apparatus for controlling spindle motor commutation swit...

Adaptive pulse width modulated motor control

Servo-free velocity estimator for coil driven actuator arm in a dat...

Apparatus and method for reducing spindle power and acoustic noise...

Servo-free velocity estimator for coil driven actuator arm in a dat...

Patents Applicationslast 30 patents

Adjustable voice coil motor driver

Voltage regulating systems responsive to feed-forward information f...

Motor drive circuitry with regenerative braking for disk drive

Removable hard disk drive (HDD) that is hot-plug compatible with mu...

On-chip compensation scheme for bridged tap lines in ADSL hybrid