Inventor

XUE QUAN

HK52 patents

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

XUE QUAN

UNIV CITY HONG KONG

Facilitation of increased bandwidth for a low noise amplifier

Phased array, a coherent source array, an antenna array and a system for controlling thereof

Terahertz injection-locked radiator

N-way coaxial waveguide power divider/combiner

Converting a single-ended signal to a differential signal

Differential planar aperture antenna

Radiation source

Average power efficiency enhancement and linearity improvement of microwave power amplifiers

Circularly polarized planar aperture antenna with high gain and wide bandwidth for millimeter-wave application

Quadrature voltage controlled oscillator

Apparatus and a method for electromagnetic signal transition

Apparatus and method for calibrating a variable phase shifter

Wideband linearization and adaptive power management for microwave power amplifiers

Power amplifier

Wideband patch antenna

Phase-tuning oscillators

Microstrip line filter

Electromagnetic wave mode transducer

Chip-and-package distributed antenna

Differential planar aperture antenna

Facilitation of increased locking range transistors

Facilitation of increased locking range transistors

Circularly polarized antenna

Patch antenna

Transmission line and methods for fabricating thereof

Impedance matching arrangement for an amplifier

Low-loss silicon on insulator based dielectric microstrip line

UNIV SOUTH CHINA TECH

Shared-aperture dual-band dual-polarized antenna array and communication equipment

Multi-mode voltage controlled oscillation device and wireless transceiver

Millimeter wave filtering antenna and wireless communication device

Wide bandpass filtering power amplifier

Low-profile circularly polarized isoflux antenna module

Coupling-offset path branch and high-isolation millimeter-wave phased array antenna based on the same

Voltage controlled oscillation device and wireless transceiver

Quadrature voltage-controlled oscillator circuit with phase shift

Wired cooperative multiple input multiple output (CMIMO) signal transmission method based on the multimode transmission line

Dual-polarized wide-stopband filtering antenna and communications device

Multi-frequency base station antenna unit and communication device

Dual-polarized broadband millimeter-wave filtering antenna based on meta-surface, and communication device

Single quad-mode dielectric resonator having intersecting microstrip lines coupled to switching circuitry and selectively configured for dual-band transmission/isolation

Low-profile dual-band aperture-shared antenna based on structure reusing and communication device thereof

Aperture-shared dual-wideband antenna and its design method

HUI SHU YUEN RON

Power transfer device and method

Portable electronic device with antenna and power transfer coil

XUE QUAN

Antenna network for passive and active signal enhancement

CHAN CHI HOU

High gain and wideband complementary antenna

WAN KWUN CHIU

Apparatus and method for controlling the output phase of a VCO

YUM TSZ YIN

High efficiency linear RF amplifier

FREESCALE SEMICONDUCTOR INC

Stacked loop antenna

Chen jian xin

Wideband frequency tunable ring resonator