Inventor

XI WEI

US67 patents

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

XI WEI

WESTERN DIGITAL TECH INC

Disk drive adjusting microactuator gain by injecting a sinusoid into a servo control system

Disk drive employing iterative learning control for tuning seek servo loop

Disk drive adjusting rotation speed of disk to compensate for blind area when measuring frequency response of servo control system

Data storage device employing adaptive feed-forward control in timing loop to compensate for vibration

Disk drive applying feed-forward compensation when writing consecutive data tracks

Disk drive selecting disturbance signal for feed-forward compensation

Data storage device saving absolute position at each servo wedge for previous write operations

Media based cache for data storage device

Data storage device on-line adapting disturbance observer filter

Data storage device compensating for hysteretic response of microactuator

Data storage device on-line adapting disturbance observer filter

Disk drive adjusting phase of adaptive feed-forward controller when reconfiguring servo loop

Disk drive filtering disturbance signal and error signal for adaptive feed-forward compensation

Data storage device comprising slew rate anti-windup compensation for microactuator

Electronic system with declustered data protection by parity based on reliability and method of operation thereof

Data storage device employing spindle motor driving profile during seek to improve power performance

Disk drive optimizing filters based on sensor signal and disturbance signal for adaptive feed-forward compensation

Hybrid data storage system with private storage cloud and public storage cloud

Hybrid data storage system with private storage cloud and public storage cloud

Data storage device with secure access based on tap inputs

QUALCOMM INC

Transport block scaling for physical uplink shared channel repetition

Physical uplink shared channel with switched antenna and frequency hopping

Frequency hopping scheme with partial inter-hop bandwidth overlap

Holographic-MIMO field type indication

Beam determination in holographic MIMO system

Generating and steering orbital angular momentum beams

Providing channel state information (CSI) feedback

Neural network structure for feedback of orthogonal precoding information

Layer-specific feedback periodicity

FUJITSU LTD

Apparatus and method for transmitting reference signal and communication system

Message transmitting/receiving apparatus and method and communication system

Message transmitting/receiving apparatus and method and communication system

Group communication apparatus and method and communication system

Apparatus and method for paging user equipment and communications system

VIVO MOBILE COMMUNICATION CO LTD

Sounding reference signal transmission and configuration methods, user equipment, and network side device

Sounding reference signal transmission and configuration methods, user equipment, and network side device

Method for transmitting phase tracking reference signal (PTRS), terminal and network device

Phase tracking reference signal association indication and transmission method, network device and terminal

MIDEA GROUP CO LTD

Method and apparatus for scale calibration and optimization of a monocular visual-inertial localization system

Method and apparatus for optimization of a monocular visual-inertial localization system

Joint visual localization and orientation detection method

XI WEI

Disk drive adjusting servo burst signals to compensate for radial velocity of the head

Alternating wedge repeatable runout (WRRO) pattern

BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO LTD

Robot system for processing an object and method of packaging and processing the same

Soft package, robot system for processing the same, and method thereof

CHEN XU

Methods for closed-loop compensation of ultra-high frequency disturbances in hard disk drives and hard disk drives utilizing same

ZHOU JIANGUO

Disk drive selecting disturbance signal for feed-forward compensation

NTT DOCOMO INC

Method and apparatus for transmitting common signal in hybrid beamforming

UNIV CALIFORNIA

Data storage devices and methods with frequency-shaped sliding mode control

TANG SHAN

Evaluating dual stage actuator response in a disk drive by adding sinusoid to control signal