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 (19 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
Weijun Tan, Shaohua Yang, George Mathew, Kelly Fitzpatrick, Hao Zhong, Yuan Xing Lee: Systems and methods for using intrinsic data for regenerating data from a defective medium. AGERE Systems, Hamilton DeSanctis & Cha, April 17, 2012: US08161357 (19 worldwide citation)

Various embodiments of the present invention provide systems and methods for data regeneration. For example, a system for data regeneration is disclosed that includes a data input derived from the medium. A data detector and a data recovery system receive the data input. The data detector provides a ...


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 (18 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: 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 ...


6
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 (15 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 ...


7
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 ...


8
yuan xing Lee
Weijun Tan, Shaohua Yang, George Mathew, Kelly Fitzpatrick, Hao Zhong, Yuan Xing Lee: Systems and methods for regenerating data from a defective medium. Agere Systems, Hamilton DeSancits & Cha, January 10, 2012: US08095855 (12 worldwide citation)

Various embodiments of the present invention provide systems and methods for data regeneration. For example, a system for data regeneration is disclosed that includes a data input derived from the medium. A data detector and a data recovery system receive the data input. The data detector provides a ...


9
yuan xing Lee
George Mathew, Yuan Xing Lee, Harley Burger, Li Du: Systems and methods for adaptive MRA compensation. LSI Corporation, Hamilton DeSanctis & Cha, April 19, 2011: US07929240 (10 worldwide citation)

Various embodiments of the present invention provide systems and methods for reducing head distortion. For example, various embodiments of the present invention provide storage devices that include a storage medium, a read/write head assembly, and an adaptive distortion modification circuit. The sto ...


10
yuan xing Lee
George Mathew, Yang Han, Shaohua Yang, Zongwang Li, Yuan Xing Lee: Frequency-based approach for detection and classification of hard-disc defect regions. LSI Corporation, Mendelsohn Drucker & Associates P C, Steve Mendelsohn, October 4, 2011: US08031420 (10 worldwide citation)

In a hard-disc drive read channel, frequency-based measures are generated at two different data frequencies (e.g., 2T and DC) by applying a transform, such as a discrete Fourier transform (DFT), to signal values, such as ADC or equalizer output values, corresponding to, e.g., a 2T data pattern store ...