| Patent | Date |
|---|
Write current waveform asymmetry compensation
Grant 7,839,589 - Barnett , et al. November 23, 2 | 2010-11-23 |
Low power servo mode write driver
Grant 7,382,560 - Barnett , et al. June 3, 2 | 2008-06-03 |
Write driver with continuous impedance match and improved common mode symmetry
Grant 7,292,074 - Barnett , et al. November 6, 2 | 2007-11-06 |
Low noise AC coupled amplifier with low band-pass corner and low power
Grant 7,259,624 - Barnett August 21, 2 | 2007-08-21 |
Amplifier apparatus for use with a sensor
Grant 7,190,214 - Barnett , et al. March 13, 2 | 2007-03-13 |
Low noise AC coupled amplifier with low band-pass corner and low power
App 20060192617 - Barnett; Raymond Elijah | 2006-08-31 |
High speed pre-driver with voltage reference for thin film head write driver
Grant 7,068,450 - Ngo , et al. June 27, 2 | 2006-06-27 |
Circuits to achieve high data rate writing on thin film transducer
Grant 7,035,027 - Barnett , et al. April 25, 2 | 2006-04-25 |
Circuit and method to compensate for RMR variations and for shunt resistance across RMR in an open loop current bias architecture
App 20050212582 - Barnett, Raymond Elijah | 2005-09-29 |
Write current waveform asymmetry compensation
App 20050207053 - Barnett, Raymond Elijah ; et al. | 2005-09-22 |
Impedance matched low noise amplifier
Grant 6,946,909 - Barnett September 20, 2 | 2005-09-20 |
High speed pre-driver with voltage reference for thin film head write driver
App 20050185315 - Ngo, Tuan Van ; et al. | 2005-08-25 |
Circuit and method to compensate for RMR variations and for shunt resistance across RMR in an open loop current bias architecture
Grant 6,930,531 - Barnett August 16, 2 | 2005-08-16 |
Amplifier apparatus for use with a sensor
App 20050162221 - Barnett, Raymond Elijah ; et al. | 2005-07-28 |
Write driver with continuous impedance match and improved common mode symmetry
App 20050152206 - Barnett, Raymond Elijah ; et al. | 2005-07-14 |
Circuit and method to compensate for RMR variations and for shunt resistance across RMR in an open loop current bias architecture
App 20050093609 - Barnett, Raymond Elijah | 2005-05-05 |
Method to increase head voltage swing and to reduce the rise time of write driver
Grant 6,879,455 - Ngo , et al. April 12, 2 | 2005-04-12 |
Impedance matched low noise amplifier
App 20050062535 - Barnett, Raymond Elijah | 2005-03-24 |
Low Power Servo Mode Write Driver
App 20040218301 - Barnett, Raymond Elijah ; et al. | 2004-11-04 |
Reference circuit for write driver circuit with programmable write current, overshoot duration and overshoot amplitude control
Grant 6,798,591 - Barnett , et al. September 28, 2 | 2004-09-28 |
Method to write servo on multi-channels with voltage mode data and single channel with current mode data
Grant 6,735,030 - Ngo , et al. May 11, 2 | 2004-05-11 |
Reference circuit for write driver circuit with programmable write current, overshoot duration and overshoot amplitude control
App 20030081339 - Barnett, Raymond Elijah ; et al. | 2003-05-01 |
Method to write servo on multi-channels with voltage mode data and single channel with current mode data
App 20030081340 - Ngo, Tuan Van ; et al. | 2003-05-01 |
Method to increase head voltage swing and to reduce the rise time of write driver
App 20030076613 - Ngo, Tuan Van ; et al. | 2003-04-24 |
Circuits to achieve high data rate writing on thin film transducer
App 20030067700 - Barnett, Raymond Elijah ; et al. | 2003-04-10 |
| 