Inventor

LIU JINGFENG

US61 patents

⚠️ This page may combine multiple inventors who share the name “LIU JINGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU JINGFENG

LIU JINGFENG

Systems and methods for low latency noise cancellation

Systems and methods for semi-independent loop processing

Systems and methods for retimed virtual data processing

Systems and methods for hybrid algorithm gain adaptation

Asymmetry compensation system

Method and apparatus for calibrating optical recording system

Portable hole digger

Systems and methods for adaptive target search

Method and device for increased pull-in range of timing recovery circuit for storage devices

Detector for low frequency offset distortion

Detector for high frequency amplitude modulation distortion

Limit equalizer output based timing loop

Detector for low frequency offset distortion

Method and apparatus for detecting land pre-pits

Limit equalizer output based timing loop

Methods and apparatus for selective data retention decoding in a hard disk drive

Jitter measurement

Method and apparatus for detecting land pre-pits

MARVELL INT LTD

Timing loop based on analog to digital converter output and method of use

Timing recovery for optical disc drive high frequency modulation

Jitter measurement

Timing recovery for optical disc drive high frequency modulation

Timing loop based on analog to digital converter output and method of use

Limit equalizer output based timing loop

Offset loop for wobble

Method and device for increased pull-in range of a timing recovery circuit for storage devices

Offset loop for wobble

Method and apparatus for calibrating optical recording system

Wobble channel clocking

System and method of decoupling asymmetry from baseline compensation

MAXTOR CORP

Disk drive that compensates for phase incoherence between radially adjacent servo tracks and methods thereof

Timing recovery in error recovery for iterative detection

Detecting a thermal asperity condition of a disk drive head responsive to data value transitions

LSI CORP

Systems and methods for equalizer optimization in a storage access retry

AGC loop with weighted zero forcing and LMS error sources and methods for using such

Phase detector for timing recovery loop

OBERG MATS

Method and apparatus for detecting land pre-pits

Offset loop for wobble

Offset loop for wobble

UNIV CARNEGIE MELLON

Encoding method using a low density parity check code with a column weight of two

Timing recovery system and method

SEAGATE TECHNOLOGY LLC

Majority detection in error recovery

Wide-biphase-detector quality monitor for sensing of pin layer reversal

XIE JIN

RF interpolated timing recovery using clock synchronized to wobble

RF interpolated time recovery using clock synchronized to wobble

SONG HONGWEI

Dibit pulse extraction methods and systems

INST DATA STORAGE

Method and apparatus for the modulation of multilevel data arrays

MULTIDIMENSION TECHNOLOGY CO LTD

Magnetic absolute rotary encoder

DONGGUAN TENGTOUR OUTDOOR PRODUCT CO LTD

Golf flagstick

AIR LIQUIDE

Low friction inlet nozzle for a turbo expander