Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8261171 | Systems and methods for diversity combined data detection | — | 2012-09-04 |
| 8254049 | Systems and methods for improved synchronization between an asynchronously detected signal and a synchronous operation | — | 2012-08-28 |
| 8243381 | Systems and methods for sector address mark detection | Venkatram Muddhasani | 2012-08-14 |
| 8199422 | Methods and apparatus for gain estimation using servo data with improved bias correction | Xun Zhang | 2012-06-12 |
| 8059349 | Methods and systems for estimating time corresponding to peak signal amplitude | Keith R. Bloss, Tianyang Ding, Jeffrey P. Grundvig, Roy S. Neville | 2011-11-15 |
| 8054931 | Systems and methods for improved timing recovery | — | 2011-11-08 |
| 8054573 | Systems and methods for fly-height control using servo address mark data | George Mathew, Yuan Xing Lee, Hongwei Song, Jeffrey P. Grundvig | 2011-11-08 |
| 8049982 | Methods and apparatus for measuring servo address mark distance in a read channel using selective fine phase estimate | Jeffrey P. Grundvig, Xun Zhang | 2011-11-01 |
| 7813065 | Systems and methods for acquiring modified rate burst demodulation in servo systems | Venkatram Muddhasani, Xun Zhang | 2010-10-12 |
| 7768437 | Systems and methods for reducing the effects of ADC mismatch | Venkatram Muddhasani | 2010-08-03 |
| 7738200 | Systems and methods for estimating time corresponding to peak signal amplitude | Keith R. Bloss, Tianyang Ding, Jeffrey P. Grundvig, Roy S. Neville | 2010-06-15 |
| 7586704 | Method and apparatus for improving threshold detection of servo data in the presence of signal asymmetry | — | 2009-09-08 |
| 7583458 | Channel optimization metrics | Pervez M. Aziz | 2009-09-01 |
| 7502427 | Asynchronous servo RRO detection employing interpolation | Pervez M. Aziz | 2009-03-10 |
| 7502187 | Address mark detection | Fatih Sarigoz | 2009-03-10 |
| 7499238 | Systems and methods for improving disk drive synchronization | — | 2009-03-03 |
| 7423827 | Systems and methods for accessing data from a variable polarity head assembly | Roy S. Neville, Keith R. Bloss, Vishal Narielwala | 2008-09-09 |
| 7180693 | Method and apparatus for maximum likelihood detection of data employing interpolation with compensation of signal asymmetry | Pervez M. Aziz | 2007-02-20 |
| 7167328 | Synchronizing an asynchronously detected servo signal to synchronous servo demodulation | Pervez M. Aziz | 2007-01-23 |
| 7092462 | Asynchronous servo RRO detection employing interpolation | Pervez M. Aziz | 2006-08-15 |
| 7082005 | Servo data detection in the presence or absence of radial incoherence using digital interpolators | Pervez M. Aziz | 2006-07-25 |
| 7072130 | Auto-ranging attenuators for read channels | — | 2006-07-04 |
| 7002767 | Detection of recorded data employing interpolation with gain compensation | Pervez M. Aziz | 2006-02-21 |
| 6912099 | Maximum likelihood detection of asynchronous servo data employing interpolation | Pervez M. Aziz | 2005-06-28 |
| 6856183 | Scheme to improve performance of timing recovery systems for read channels in a disk drive | — | 2005-02-15 |