Inventor

ZHANG WEI-QIANG

CN26 patents

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

ZHANG WEI-QIANG

ZHANG WEI-QIANG

Voltage regulation circuit and light emitting didoe driving apparatus having the same

Dimmer system and control system and method thereof

Driving circuit structure for light emitting diodes

Illumination apparatus, electronic ballast therein and method for protecting the same

Lamp ignition system and lamp ignition method

Lighting apparatus and control method thereof

DELTA ELECTRONICS SHANGHAI CO

Converter and method for reducing a voltage of node thereof

Light driving circuit

Method for controlling modulation wave and three-phase three-wire three-level circuit

Converter and voltage clamp circuit therein

Power converter and method of stabling voltage gain

Light regulating apparatus with feed forward compensation and light regulating method thereof

IGO FURNITURE FOSHAN LTD

Curved headrest frame

Height-adjustable armrest

Triangular armrest

Arched armrest

DELTA ELECTRONICS INC

Integrated power electronics assembly module

Converter

Ballast circuit

ZHANG QI

Current control discharge lamp system and method for controlling current of discharge lamp

Discharge lamp system, method and apparatus of controlling the transition time of discharge lamp current change

Discharge lamp system for constant power control and controlling method of the same

CHOU CHING-HO

Ballast being capable of saving the use of internal connection terminals

YING JIAN-PING

Discharge lamp system and controlling method of the same

Xu li-zhi

Dimmer system and damper circuit thereof

CET TECHNOLOGIES PTE LTD

Dual mode ISDN S/U interface converter