Inventor

LIU K J RAY

US96 patents

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

LIU K J RAY

ORIGIN WIRELESS INC

Method, apparatus, and system for object tracking sensing using broadcasting

Method, apparatus, and system for object tracking and navigation

Time-reversal wireless systems having asymmetric architecture

Methods, devices and systems of heterogeneous time-reversal paradigm enabling direct connectivity in internet of things

Time-reversal communication systems

Time-reversal wireless paradigm for internet of things

Method, apparatus, server and system for vital sign detection and monitoring

Method, apparatus, and systems for wireless event detection and monitoring

Apparatus, systems and methods for event recognition based on a wireless signal

Methods, devices, apparatus, and systems for medium access control in wireless communication systems utilizing spatial focusing effect

Method, apparatus, and system for wireless motion monitoring

Wireless signals and techniques for determining locations of objects in multi-path environments

Time-reversal technologies for hybrid wireless networks

Handshaking protocol for time-reversal system

Handshaking protocol for time-reversal system

Time-reversal wireless paradigm for internet of things

Handshaking protocol for time-reversal system

Method, apparatus, and system for wireless inertial measurement

Time-reversal scalability for high network densification

Method, apparatus, server and system for real-time vital sign detection and monitoring

Apparatus, systems and methods for fall-down detection based on a wireless signal

Quadrature amplitude modulation for time-reversal systems

Methods, devices, servers, apparatus, and systems for wireless internet of things applications

UNIV MARYLAND

Active sensing for dynamic spectrum access

Combined power control and space-time diversity in mobile cellular communications

DCT-based motion estimation method

Optimal unified architectures for the real-time computation of time-recursive discrete sinusoidal transforms

Systems and methods for coding in broadband wireless communication systems to achieve maximum diversity in space, time and frequency

Method and system for power controlled effective allocation of sub-bands in ultra-wideband communication

Data communication with embedded pilot information for timely channel estimation

MAI CHAO LUN

Display screen or portion thereof with graphical user interface

Display screen or portion thereof with animated graphical user interface

Display screen or portion thereof with animated graphical user interface

Command device

Method, apparatus, and system for automatic and adaptive wireless monitoring and tracking

ORIGIN WIRELESS COMMUNICATIONS INC

Time-reversal wireless paradigm for internet of things

Multiuser time-reversal division multiple access uplink system with parallel interference cancellation

Joint waveform design and interference pre-cancellation for time-reversal systems

WU CHENSHU

Method, apparatus, and system for wireless object tracking

Method, apparatus, and system for movement tracking

Method, apparatus, and system for wireless tracking with graph-based particle filtering

HU YUQIAN

Method, apparatus, and system for fall-down detection based on a wireless signal

Method, apparatus, and system for wireless proximity sensing

UNIV GEORGE MASON

Method and apparatus for processing data from a tomographic imaging system

WIRELESS INC

Waveform design for time-reversal systems

AU OSCAR CHI LIM

Method, apparatus, and system for qualified wireless sensing

ZHANG FENG

Method, apparatus, and system for accurate wireless monitoring

OZTURK MUHAMMED ZAHID

Method, apparatus, and system for human recognition based on gait features

WANG FENGYU

Method, apparatus, and system for vital signs monitoring using high frequency wireless signals

ZENG XIAOLU

Method, apparatus, and system for outdoor target tracking