Issued Patents All Time
Showing 25 most recent of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12154605 | Digital timing recovery for servo operations during start-up mode | Hongxin Song | 2024-11-26 |
| 10510367 | Method and apparatus for processing multiple servo channels in magnetic recording devices | Seyed Mehrdad Khatami, Mats Oberg | 2019-12-17 |
| 10497390 | Decision-free timing disturbance cancellation caused by HAMR laser power variation | Jongseung Park | 2019-12-03 |
| 9583137 | Methods of demodulating a servo position error signal on patterned media | Zining Wu | 2017-02-28 |
| 9418690 | Repeated runout (RRO) zero phase start (ZPS) | Hongxin Song, Gregory Burd | 2016-08-16 |
| 9311937 | Systems and methods for calibrating read and write operations in two dimensional magnetic recording | Qiyue Zou, Gregory Burd | 2016-04-12 |
| 9202515 | Apparatus and method for adjusting a phase of a data clock signal using a predetermined bit pattern | Gregory Burd, Qiyue Zou | 2015-12-01 |
| 9117472 | Processing a data signal with an embedded position signal | Qiyue Zou, Gregory Burd | 2015-08-25 |
| 9077501 | Systems and methods for detecting cycle slip and/or framing error | Mats Oberg, Gregory Burd, Hongxin Song, Qiyue Zou | 2015-07-07 |
| 9053742 | Repeated runout (RRO) zero phase start (ZPS) | Hongxin Song, Gregory Burd | 2015-06-09 |
| 9037955 | Viterbi decoder method and apparatus with RI detector in servo channel | Zaihe Yu | 2015-05-19 |
| 9019645 | Applying digital frequency offset to timing loop | Hongxin Song, Qiyue Zou | 2015-04-28 |
| 9019638 | Systems and methods for performing timing acquisition in a read/write channel module | Gregory Burd | 2015-04-28 |
| 8964323 | System and method for detecting and correcting shift in a DC level of an input signal | Heng Tang, Yu-Yao Chang, Panu Chaichanavong, Gregory Burd | 2015-02-24 |
| 8947823 | Method and apparatus for detecting drive head touchdown | Rathnakumar Radhakrishnan | 2015-02-03 |
| 8947810 | Bit-locked interface for magnetic recording | Gregory Burd, Qiyue Zou, Kar Shing Chiu, Vincent Wong | 2015-02-03 |
| 8922924 | ACQ in the presence of baseline pop | Hongxin Song | 2014-12-30 |
| 8879185 | Disk synchronous write architecture for bit-patterned recording | Qiyue Zou, Gregory Burd | 2014-11-04 |
| 8873176 | Non-linear transition shift identification and compensation | Hongwei Song, Ke Han, Zining Wu | 2014-10-28 |
| 8867159 | Method and read module for adjusting a frequency at which a converter samples a read signal based on movement of center of a rotating storage medium | — | 2014-10-21 |
| 8824074 | Hybrid defect detection for recording channels | Xueshi Yang, Yu-Yao Chang, Zining Wu | 2014-09-02 |
| 8810938 | Systems and methods for performing timing acquisition on an expected preamble of a read signal | Gregory Burd | 2014-08-19 |
| 8804259 | Systems and methods for revising data in a signal read from a storage medium according to a calculated gain | Hongxin Song, Gregory Burd, Nitin Nangare | 2014-08-12 |
| 8773792 | Systems and methods for inter-track interference cancellation in magnetic recording channels | Hongxin Song, Nitin Nangare, Gregory Burd | 2014-07-08 |
| 8730609 | DC shift detection and correction | Heng Tang, Yu-Yao Chang, Panu Chaichanavong, Gregory Burd | 2014-05-20 |