Inventor

HUA GUICHAO

CN28 patents

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

HUA GUICHAO

HUA GUICHAO

LED drive circuit for SCR dimming

High output current split package A/C adapter

LED lamp system utilizing a hollow liquid-cooled device

Primary sampling current controlled synchronous rectifying drive circuit

Hollow, liquid cooling and strip-shaped LED lamp

Circuit to improve light load power factor of power supply

Device and system for load driving

BEL FUSE INC

Self-driven synchronous rectification scheme for wide output range

Self-driven synchronous rectification scheme

Multiple output power adapter

Converter with integrated active clamp circuit and bias circuit

GE LIANG AN

Multi-path constant current driving circuit

Load driving device and system, limiting point control method and device

Multi-path constant current driving circuit

Constant-current LED driver circuit and output voltage adjustable circuit and method thereof

INVENTRONICS HANGZHOU INC

High efficiency constant current LED driver

Synchronous rectifying drive circuit with energy feedback for voltage doubler rectifer

Constant current drive for LED light source

VPT INC

Power converter with circuits for providing gate driving

Half-bridge DC to DC converter with low output current ripple

VIRGINIA POWER TECHNOLOGIES IN

Single-stage AC/DC converters with saturable conductor PFC

Consolidated soft-switching AC/DC converters

GE LIANGAN

Constant current control circuit with multiple outputs for LED driver

PWM dimming circuit for LED

(unassigned)

Single-stage AC/DC conversion with PFC-tapped transformers

BEL POWER HANGZHOU CO LTD

DC-DC flyback converter having a synchronous rectification self-driven circuit

INVENTRONICS HANGZHOU CO LTD

Current controlled synchronous rectifying drive circuit

JIANG DELAI

Auxiliary power supply circuit of two wire dimmer