Issued Patents All Time
Showing 126–146 of 146 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5870046 | Analog isolation system with digital communication across a capacitive barrier | Jeffrey W. Scott, Navdeep S. Sooch | 1999-02-09 |
| 5796535 | Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer | Tyson Tuttle, Diwakar Vishakhadatta, Jerrel P. Hein, David E. Reed, Richard T. Behrens +4 more | 1998-08-18 |
| 5786951 | Sampled amplitude read channel employing a discrete time noise generator for calibration | Richard T. Behrens, Iuri Mehr | 1998-07-28 |
| 5648738 | Read channel having auto-zeroing and offset compensation, and power-down between servo fields | William G. Bliss | 1997-07-15 |
| 5583706 | Decimation DC offset control in a sampled amplitude read channel | Trent Dudley, William G. Gliss, Richard T. Behems | 1996-12-10 |
| 5451901 | Transconductance amplifiers and exponential variable gain amplifiers using the same | — | 1995-09-19 |
| 5359631 | Timing recovery circuit for synchronous waveform sampling | Richard T. Behrens, Trent Dudley, Neal Glover | 1994-10-25 |
| 5159341 | Two phase sampling for a delta sigma modulator | Damien McCartney | 1992-10-27 |
| 5134401 | Delta sigma modulator having programmable gain/attenuation | Damien McCartney | 1992-07-28 |
| 5055846 | Method for tone avoidance in delta-sigma converters | — | 1991-10-08 |
| 5039989 | Delta-sigma analog-to-digital converter with chopper stabilization at the sampling frequency | Bruce P. Del Signore, Donald A. Kerth | 1991-08-13 |
| 4804863 | Method and circuitry for generating reference voltages | Donald A. Kerth | 1989-02-14 |
| 4709225 | Self-calibration method for capacitors in a monolithic integrated circuit | Michael Callahan | 1987-11-24 |
| 4473793 | Bias generator | David E. Blackmer | 1984-09-25 |
| 4471324 | All NPN variably controlled amplifier | — | 1984-09-11 |
| 4454433 | Multiplier circuit | — | 1984-06-12 |
| 4434380 | Compensation for VCA OP amp errors | — | 1984-02-28 |
| 4425551 | Differential amplifier stage having bias compensating means | David E. Blackmer | 1984-01-10 |
| 4409500 | Operational rectifier and bias generator | — | 1983-10-11 |
| 4377792 | Compander system | David E. Blackmer | 1983-03-22 |
| 4329598 | Bias generator | — | 1982-05-11 |