Liu Jingfeng

Person

Longmont, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for filter constraint estimation
- Patent number 9,219,469
- Issue date Dec 22, 2015
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Haotian Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Nyquist constrained digital finite impulse response filter
- Patent number 8,996,597
- Issue date Mar 31, 2015
- LSI Corporation
- Yu Liao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and device for increased pull-in range of a timing recovery...
- Patent number 8,982,681
- Issue date Mar 17, 2015
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Limit equalizer output based timing loop
- Patent number 8,957,793
- Issue date Feb 17, 2015
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Low latency multi-detector noise cancellation
- Patent number 8,862,972
- Issue date Oct 14, 2014
- LSI Corporation
- Bradley D. Seago
- G11 - INFORMATION STORAGE
Information Patent Grant
Detector for high frequency amplitude modulation distortion
- Patent number 8,804,470
- Issue date Aug 12, 2014
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for detecting land pre-pits
- Patent number 8,755,257
- Issue date Jun 17, 2014
- Marvell World Trade Ltd.
- Mats Oberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and circuit for decoding a sample of a signal read from a st...
- Patent number 8,724,440
- Issue date May 13, 2014
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for adaptive target search
- Patent number 8,675,298
- Issue date Mar 18, 2014
- LSI Corporation
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for reliability assisted noise predictive filte...
- Patent number 8,670,955
- Issue date Mar 11, 2014
- LSI Corporation
- Lingyan Sun
- G11 - INFORMATION STORAGE
Information Patent Grant
Offset loop for wobble
- Patent number 8,619,525
- Issue date Dec 31, 2013
- Marvell International Ltd.
- Mats Oberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device for increased pull-in range of timing recovery ci...
- Patent number 8,582,409
- Issue date Nov 12, 2013
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Detector for high frequency amplitude modulation distortion
- Patent number 8,559,283
- Issue date Oct 15, 2013
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
HD DVD wobble detection circuit
- Patent number 8,547,813
- Issue date Oct 1, 2013
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Detector for low frequency offset distortion
- Patent number 8,537,883
- Issue date Sep 17, 2013
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for detecting land pre-pits
- Patent number 8,514,678
- Issue date Aug 20, 2013
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
RF interpolated time recovery using clock synchronized to wobble
- Patent number 8,477,582
- Issue date Jul 2, 2013
- Marvell International Ltd.
- Jin Xie
- G11 - INFORMATION STORAGE
Information Patent Grant
Asymmetry compensation system
- Patent number 8,477,581
- Issue date Jul 2, 2013
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Dibit pulse extraction methods and systems
- Patent number 8,441,751
- Issue date May 14, 2013
- Marvell International Ltd.
- Hongwei Song
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic filter-reset mechanism
- Patent number 8,422,609
- Issue date Apr 16, 2013
- LSI Corporation
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for calibrating optical recording system
- Patent number 8,385,165
- Issue date Feb 26, 2013
- Marvell International Ltd.
- Jingfeng Liu
Information Patent Grant
Offset loop for wobble
- Patent number 8,315,135
- Issue date Nov 20, 2012
- Marvell International Ltd.
- Mats Oberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Branch-metric calibration using varying bandwidth values
- Patent number 8,312,359
- Issue date Nov 13, 2012
- LSI Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for low latency noise cancellation
- Patent number 8,295,001
- Issue date Oct 23, 2012
- LSI Corporation
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Limit equalizer output based timing loop
- Patent number 8,274,413
- Issue date Sep 25, 2012
- Marvell International Ltd.
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for retimed virtual data processing
- Patent number 8,266,505
- Issue date Sep 11, 2012
- LSI Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for semi-independent loop processing
- Patent number 8,237,597
- Issue date Aug 7, 2012
- LSI Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and apparatus for selective data retention decoding in a ha...
- Patent number 8,225,183
- Issue date Jul 17, 2012
- LSI Corporation
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for hybrid algorithm gain adaptation
- Patent number 8,208,213
- Issue date Jun 26, 2012
- LSI Corporation
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
RF interpolated timing recovery using clock synchronized to wobble
- Patent number 8,199,626
- Issue date Jun 12, 2012
- Marvell International Ltd.
- Jin Xie
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Nyquist Constrained Digital Finite Impulse Response Filter
- Publication number 20130097213
- Publication date Apr 18, 2013
- LSI CORPORATION
- Yu Liao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Read Channel With Oversampled Analog To Digital Conversion And Para...
- Publication number 20130050005
- Publication date Feb 28, 2013
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Low Latency Multi-Detector Noise Cancellation
- Publication number 20130007570
- Publication date Jan 3, 2013
- LSI CORPORATION
- Bradley D. Seago
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Reliability Assisted Noise Predictive Filte...
- Publication number 20120265488
- Publication date Oct 18, 2012
- LSI CORPORATION
- Lingyan Sun
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR DETECTING LAND PRE-PITS
- Publication number 20120213048
- Publication date Aug 23, 2012
- Marvell International Ltd.
- Mats Oberg
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR DETECTING LAND PRE-PITS
- Publication number 20120176876
- Publication date Jul 12, 2012
- Marvell International Ltd.
- Jingfeng LIU
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for ADC Sample Based Timing Recovery
- Publication number 20120124454
- Publication date May 17, 2012
- LSI CORPORATION
- Jingfeng Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and Methods for Filter Constraint Estimation
- Publication number 20120069891
- Publication date Mar 22, 2012
- LSI CORPORATION
- Haotian Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Low Latency Noise Cancellation
- Publication number 20120068752
- Publication date Mar 22, 2012
- LSI CORPORATION
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Semi-Independent Loop Processing
- Publication number 20120068870
- Publication date Mar 22, 2012
- LSI Coporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Hybrid Algorithm Gain Adaptation
- Publication number 20110298543
- Publication date Dec 8, 2011
- LSI CORPORATION
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Phase Detector For Timing Recovery Loop
- Publication number 20110103527
- Publication date May 5, 2011
- LSI Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Adaptive Target Search
- Publication number 20110093517
- Publication date Apr 21, 2011
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Noise Reduced Data Detection
- Publication number 20110080211
- Publication date Apr 7, 2011
- Shaohua Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic Filter-Reset Mechanism
- Publication number 20110075718
- Publication date Mar 31, 2011
- LSI Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BRANCH-METRIC CALIBRATION USING VARYING BANDWIDTH VALUES
- Publication number 20110072335
- Publication date Mar 24, 2011
- LSI Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Retimed Virtual Data Processing
- Publication number 20110041028
- Publication date Feb 17, 2011
- LSI CORPORATION
- Jingfeng Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Systems and Methods for Adaptive Equalization in Recording Channels
- Publication number 20100287420
- Publication date Nov 11, 2010
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Application
AGC Loop with Weighted Zero Forcing and LMS Error Sources and Metho...
- Publication number 20100177419
- Publication date Jul 15, 2010
- LSI CORPORATION
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Equalizer Optimization in a Storage Access...
- Publication number 20100172046
- Publication date Jul 8, 2010
- LSI CORPORATION
- Jingfeng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Methods and Apparatus for Selective Data Retention Decoding in a Ha...
- Publication number 20100083075
- Publication date Apr 1, 2010
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR DETECTING LAND PRE-PITS
- Publication number 20090097370
- Publication date Apr 16, 2009
- Jingfeng LIU
- G11 - INFORMATION STORAGE
Information Patent Application
Majority detection in error recovery
- Publication number 20050262423
- Publication date Nov 24, 2005
- Maxtor Corporation
- Jingfeng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Magneto-optical recording/reproducing method and apparatus
- Publication number 20040160860
- Publication date Aug 19, 2004
- Hongwei Song
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Encoding method using a low density parity check code with a column...
- Publication number 20040093549
- Publication date May 13, 2004
- Hongwei Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Timing recovery system and method
- Publication number 20040091069
- Publication date May 13, 2004
- Jingfeng Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Liu Jingfeng

Person

Patents Grantslast 30 patents

Systems and methods for filter constraint estimation

Nyquist constrained digital finite impulse response filter

Method and device for increased pull-in range of a timing recovery...

Limit equalizer output based timing loop

Low latency multi-detector noise cancellation

Detector for high frequency amplitude modulation distortion

Method and apparatus for detecting land pre-pits

Method and circuit for decoding a sample of a signal read from a st...

Systems and methods for adaptive target search

Systems and methods for reliability assisted noise predictive filte...

Offset loop for wobble

Method and device for increased pull-in range of timing recovery ci...

Detector for high frequency amplitude modulation distortion

HD DVD wobble detection circuit

Detector for low frequency offset distortion

Method and apparatus for detecting land pre-pits

RF interpolated time recovery using clock synchronized to wobble

Asymmetry compensation system

Dibit pulse extraction methods and systems

Automatic filter-reset mechanism

Method and apparatus for calibrating optical recording system

Offset loop for wobble

Branch-metric calibration using varying bandwidth values

Systems and methods for low latency noise cancellation

Limit equalizer output based timing loop

Systems and methods for retimed virtual data processing

Systems and methods for semi-independent loop processing

Methods and apparatus for selective data retention decoding in a ha...

Systems and methods for hybrid algorithm gain adaptation

RF interpolated timing recovery using clock synchronized to wobble

Patents Applicationslast 30 patents

Nyquist Constrained Digital Finite Impulse Response Filter

Read Channel With Oversampled Analog To Digital Conversion And Para...

Low Latency Multi-Detector Noise Cancellation

Systems and Methods for Reliability Assisted Noise Predictive Filte...

METHOD AND APPARATUS FOR DETECTING LAND PRE-PITS

METHOD AND APPARATUS FOR DETECTING LAND PRE-PITS

Systems and Methods for ADC Sample Based Timing Recovery

Systems and Methods for Filter Constraint Estimation

Systems and Methods for Low Latency Noise Cancellation

Systems and Methods for Semi-Independent Loop Processing

Systems and Methods for Hybrid Algorithm Gain Adaptation

Phase Detector For Timing Recovery Loop

Systems and Methods for Adaptive Target Search

Systems and Methods for Noise Reduced Data Detection

Automatic Filter-Reset Mechanism

BRANCH-METRIC CALIBRATION USING VARYING BANDWIDTH VALUES

Systems and Methods for Retimed Virtual Data Processing

Systems and Methods for Adaptive Equalization in Recording Channels

AGC Loop with Weighted Zero Forcing and LMS Error Sources and Metho...

Systems and Methods for Equalizer Optimization in a Storage Access...

Methods and Apparatus for Selective Data Retention Decoding in a Ha...

METHOD AND APPARATUS FOR DETECTING LAND PRE-PITS

Majority detection in error recovery

Magneto-optical recording/reproducing method and apparatus

Encoding method using a low density parity check code with a column...

Timing recovery system and method