| 6870696 |
CMOS low-noise MR read head pre-amplifier circuit |
Wayne Leung Cheung |
2005-03-22 |
| 6850378 |
Method and apparatus for providing quadrature biasing for coupled-pair circuits |
John Thomas Conteras, Paul W. Chung, Kevin Vannorsdel |
2005-02-01 |
| 6847501 |
Method and apparatus for providing matched differential MR biasing and pre-amplification |
Wayne Leung Cheung, Kevin Vannorsdel |
2005-01-25 |
| 6822817 |
Preamplifier circuit suitable for use in magnetic storage devices |
Paul W. Chung, John Contreras |
2004-11-23 |
| 6420910 |
Quasi-current sensing input impedance controlled preamplifier for magnetoresistive elements |
John Contreras, Paul W. Chung, Klaas B. Klaassen, Jacobus C. L. van Peppen |
2002-07-16 |
| 6271977 |
Multi-state preamplifier for disk drives |
Paul W. Chung |
2001-08-07 |
| 6265905 |
Quasi-voltage sensing input impedance controlled preamplifier for magnetoresistive elements |
Paul W. Chung |
2001-07-24 |
| 6252735 |
Voltage-biasing, voltage-sensing differential preamplifier for magnetoresistive elements |
Paul Chung |
2001-06-26 |
| 6175462 |
High input impedance single ended, low supply voltage magnetoresistive preamplifier circuits |
Paul W. Chung |
2001-01-16 |
| 5523898 |
Partial MR sensor bias current during write |
Albert John Wallash |
1996-06-04 |
| 5323278 |
Low noise amplifier circuit for magnetoresistive sensors for fast read-write switching in low supply voltage applications |
John Contreras, Klaas B. Klaassen, Jacobus C. Leonardus van Peppen |
1994-06-21 |
| 5296975 |
High-transition-rate, low-supply-voltage write driver circuitry for magnetic inductive write head |
John Contreras, Klaas B. Klassen, Jacobus C. Leonardus van Peppen |
1994-03-22 |
| 5287340 |
Differential amplifier for optical detectors in an optical data storage system |
Dale Chapman, Michael O. Jenkins, Jacobus C. L. van Peppen |
1994-02-15 |
| 5270882 |
Low-voltage, low-power amplifier for magnetoresistive sensor |
Klaas B. Klaassen, Jacobus C. L. van Peppen |
1993-12-14 |
| 5204789 |
Low noise voltage-biasing amplifier for magnetoresistive element |
Charles R. Nielsen, Calvin Shizuo Nomura, Michael L. Workman |
1993-04-20 |
| 5103353 |
Low noise amplifier with short circuit protection for signals from magnetoresistive element |
Klaas B. Klaassen, Calvin Shizuo Nomura, Jacobus C. Leonardus van Peppen |
1992-04-07 |
| 5057785 |
Method and circuitry to suppress additive disturbances in data channels |
Paul Chung, Michael O. Jenkins, Klaas B. Klaassen, Paik Saber, Jacobus C. L. van Peppen |
1991-10-15 |
| 5032935 |
Amplification of signals produced by a magnetoresistive element |
Klaas B. Klaassen, Long Tran |
1991-07-16 |
| 4914398 |
Method and circuitry to suppress additive disturbances in data channels containing MR sensors |
Klaas B. Klaassen, Jacobus C. L. van Peppen |
1990-04-03 |
| 4879610 |
Protective circuit for a magnetoresistive element |
Klaas B. Klaassen, Calvin Shizuo Nomura, Jacobus C. L. vanPeppen |
1989-11-07 |
| 4786993 |
Voltage amplifier for constant voltage biasing and amplifying signals from a MR sensor |
Klaas B. Klaassen, Calvin Shizuo Nomura, Jacobus C. L. van Peppen |
1988-11-22 |
| 4743861 |
Frequency response compensation circuit |
Klaas B. Klaassen, Jacobus C. L. vanPeppen, Chon Ngoc Vo |
1988-05-10 |
| 4706138 |
Amplification of signals produced by a magnetic sensor |
Klaas B. Klaassen |
1987-11-10 |
| 4420776 |
PSK Modulation in AC bias data recording |
Julian E. Vaughn |
1983-12-13 |
