1
yuan xing Lee
Yuan Xing Lee, George Mathew, Shaohua Yang, Hongwei Song, Weijun Tan, Hao Zhong: Systems and methods for storage channel testing. LSI Corporation, Hamilton DeSanctis & Cha, August 2, 2011: US07990642 (23 worldwide citation)

Various embodiments of the present invention provide systems and methods for validating elements of storage devices. A an example, various embodiments of the present invention provide semiconductor devices that include a write path circuit, a read path circuit and a validation circuit. The write pat ...


2
yuan xing Lee
George Mathew, Yuan Xing Lee, Hongwei Song, Jeffrey P Grundvig, Viswanath Annampedu: Systems and methods for fly-height control using servo address mark data. LSI Corporation, Hamilton DeSanctis & Cha, November 8, 2011: US08054573 (18 worldwide citation)

Various embodiments of the present invention provide systems and methods for determining fly-height adjustments. For example, various embodiments of the present invention provide storage devices that include a storage medium, a read/write head assembly disposed in relation to the storage medium (278 ...


3
yuan xing Lee
George Mathew, Yuan Xing Lee, Hongwei Song: Systems and methods for adaptive write pre-compensation. LSI Corporation, Hamilton DeSanctis & Cha, April 12, 2011: US07924518 (18 worldwide citation)

Various embodiments of the present invention provide systems and methods for write pre-compensation. For example, various embodiments of the present invention provide methods for modifying magnetic information transfer. The methods include retrieving magnetically represented data from a storage medi ...


4
yuan xing Lee
George Mathew, Yuan Xing Lee, Hongwei Song, Jefferson E Singleton: Systems and methods for adaptive CBD estimation in a storage device. LSI Corporation, Hamilton DeSanctis & Cha, April 10, 2012: US08154818 (17 worldwide citation)

Various embodiments of the present invention provide systems and methods for adaptive channel bit density estimation. For example, various embodiments of the present invention provide methods for adaptively estimating channel bit density. Such methods include providing a storage medium (178) that in ...


5
yuan xing Lee
George Mathew, Yuan Xing Lee, Hongwei Song, Jefferson E Singleton: Systems and methods for using an on-the-fly CBD estimate to adjust fly-height. LSI Corporation, Hamilton DeSanctis & Cha, September 6, 2011: US08014099 (14 worldwide citation)

Various embodiments of the present invention provide systems and methods for using channel bit density estimates to adjust fly-height. For example, various embodiments of the present invention provide methods for adaptively adjusting fly-height. Such methods include providing a storage medium that i ...


6
yuan xing Lee
George Mathew, Yuan Xing Lee, Hongwei Song, Liu Jingfeng, Jongseung Park: Systems and methods for adaptive equalization in recording channels. LSI Corporation, Hamilton DeSanctis & Cha, May 8, 2012: US08175201 (12 worldwide citation)

Various embodiments of the present invention provide systems and methods for performing adaptive equalization. For example, various embodiments of the present invention provide methods for adaptive equalization that include providing a data processing system with an equalizer circuit (210) and a tar ...


7
yuan xing Lee
Jingfeng Liu, Hongwei Song, Richard Rauschmayer, Yuan Xing Lee: Systems and methods for equalizer optimization in a storage access retry. LSI Corporation, Hamilton DeSanctis & Cha, May 24, 2011: US07948699 (7 worldwide citation)

Various embodiments of the present invention provide data processing circuits that include a multiplexer, a memory buffer, a data processing circuit, and a channel setting modification circuit. A first input of the multiplexer receives an input data set and a second input of the multiplexer receives ...


8
yuan xing Lee
George Mathew, Suharli Tedja, Hongwei Song, Robert A Greene, Yuan Xing Lee: Systems and methods for format efficient calibration for servo data based harmonics calculation. LSI Corporation, Hamilton DeSanctis & Cha, October 30, 2012: US08300349 (7 worldwide citation)

Various embodiments of the present invention provide systems and methods for servo data based harmonics calculation. For example, a method for calculating harmonics is disclosed that includes: providing a data processing circuit; receiving a first data set derived from a data source during a servo d ...


9
yuan xing Lee
Jingfeng Liu, Hongwei Song, Jongseung Park, George Mathew, Yuan Xing Lee: AGC loop with weighted zero forcing and LMS error sources and methods for using such. LSI Corporation, Hamilton DeSanctis & Cha, January 18, 2011: US07872823 (6 worldwide citation)

Various embodiments of the present invention provide systems and methods for gain control. For example, some embodiments of the present invention provide variable gain control circuits. Such circuits include a zero forcing loop generating a zero forcing feedback and a least mean square loop generati ...


10
yuan xing Lee
George Mathew, Hongwei Song, Yuan Xing Lee: Systems and methods for timing and gain acquisition. LSI Corporation, Hamilton DeSanctis and Cha, March 20, 2012: US08139305 (5 worldwide citation)

Various embodiments of the present invention provide systems and methods for acquiring timing and/or gain information. For example, various embodiments of the present invention provide data processing circuits that include a sample splitting circuit, a first averaging circuit, a second averaging cir ...