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Patent applications and USPTO patent grants for Peterson; Douglas R..The latest application filed is for "mr head preamplifier with output signal amplitude which is independent of head resistance".
Patent | Date |
---|---|
MR head preamplifier with output signal amplitude which is independent of head resistance Grant 5,914,630 - Peterson June 22, 1 | 1999-06-22 |
Preamplifier noise filtering circuit Grant 5,534,818 - Peterson July 9, 1 | 1996-07-09 |
Write driver with H-switch synchronizing transistors Grant 5,291,347 - Ngo , et al. March 1, 1 | 1994-03-01 |
Write circuit having current mirrors between predriver and write driver circuits for maximum head voltage swing Grant 5,287,231 - Shier , et al. February 15, 1 | 1994-02-15 |
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