Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092653 | Sensing an ICMFB output to detect functional state of a mems sensor | Yamu Hu, Deyou Fang | 2024-09-17 |
| 11143670 | Sensing an ICMFB output to detect functional state of a MEMS sensor | Yamu Hu, Deyou Fang | 2021-10-12 |
| 9755597 | Fixed gain amplifier circuit | — | 2017-09-05 |
| 9246458 | Fixed gain amplifier circuit | — | 2016-01-26 |
| 8648648 | Bandgap voltage reference circuit, system, and method for reduced output curvature | — | 2014-02-11 |
| 7110204 | Process-insensitive write current generation for a HDD preamplifier writer equipped with parallel output resistive damping | — | 2006-09-19 |
| 7085088 | Method of controlling reader amplifier gain variations of a HDD preamplifier, or the like | — | 2006-08-01 |
| 6927933 | Apparatus configured for applying write signals for driving a write head and method for configuring | Chuanyang Wang | 2005-08-09 |
| 6734721 | Method and apparatus for affecting speed of transition of a closed loop circuit | — | 2004-05-11 |
| 6631044 | Method of reducing a frequency-response peaking of a magneto-resistive preamplifier in a mass data storage device, or the like | — | 2003-10-07 |
| 6538833 | System and method for improving frequency response in a magneto-resistive preamplifier | — | 2003-03-25 |
| 6404579 | Current bias voltage sense single ended preamplifier | Indumini Ranmuthu, Sami Kiriaki, Yong Han | 2002-06-11 |
| 6369618 | Temperature and process independent exponential voltage-to-current converter circuit | Bryan E. Bloodworth, Mehedi Hassan | 2002-04-09 |
| 6268765 | 2.5V, 30-100 MHz 7th order equiripple delay continuous-time filter and variable gain amplifier | Venugopal Gopinathan, Maurice J. Tarsia | 2001-07-31 |
| 6147828 | Method and apparatus for reducing asymmetry in a signal from a magneto-resistive read head | Bryan E. Bloodworth, Patrick P. Siniscalchi, Geert A. De Veirman | 2000-11-14 |
| 6046875 | Linear transconductance circuit having a large linear range | Patrick P. Siniscalchi, Sen-Jung Wei | 2000-04-04 |
| 6023383 | Error estimation circuit and method for providing a read channel error signal | Kerry Glover, Mark A. Wolfe, Glenn Mayfield, Jefferson W. Gamble | 2000-02-08 |
| 5994926 | Circuit and method for programmably changing the transconductance of a transconductor circuit | Patrick P. Siniscalchi, William R. Krenik | 1999-11-30 |
| 5952867 | Exponentiator circuit and method for generating decibel steps of programmable current gain | — | 1999-09-14 |
| 5933463 | Method and circuit for calculating metrics for an analog viterbi detector | — | 1999-08-03 |
| 5808460 | Rapid power enabling circuit | Sen-Jung Wei, Bryan E. Bloodworth | 1998-09-15 |
| 5594377 | Delay circuit for a write data precompensator system | William H. Giolma, Owen Lee | 1997-01-14 |
| 5479112 | Logic gate with matched output rise and fall times and method of construction | Venugopal Gopinathan | 1995-12-26 |
| 5461337 | System for providing linear time position variations in write precompensation circuit for use in disk drive systems | — | 1995-10-24 |
| 5408135 | Rectangular-to-sine wave converter | Venugopal Gopinathan | 1995-04-18 |