Inventor

ZHANG JUNMING

DE56 patents

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

ZHANG JUNMING

CHENGDU MONOLITHIC POWER SYS

Flyback converter with current controlled low power mode

Switch mode power supply, control circuit and associated control method

Switching mode power supply and the method thereof

Multi-mode PFC control and control method thereof

Isolated switching mode power supply and the method thereof

Isolated switching mode power supply and the method thereof

Peak sample circuit for AC voltage and method thereof

AC signal detector and the method thereof

FRANCOTYP POSTALIA GMBH

Arrangement for plate-shaped piezoactuators and method for the manufacture thereof

Ink printer head composed of individual ink printer modules

Arrangement for plate-shaped piezoactuators and method for the manufacture thereof

Ink printer head composed of individual ink printer modules, with an adapter plate for achieving high printing density

Ink-jet printer head formed of multiple ink-jet printer modules

Arrangement for plate-shaped piezoactuators and method for the manufacture thereof

MONOLITHIC POWER SYSTEMS INC

DA/AC convert for driving cold cathode fluorescent lamp

Close-loop class-D audio amplifier and control method thereof

Close-loop Class-D audio amplifier and control method thereof

Circuit and method for striking CCFL

Close-loop class-D audio amplifier and control method thereof

KUANG NAIXING

Triac dimmer compatible switching mode power supply and method thereof

Method and apparatus for driving multiple parallel discharge lamps

Switching mode power supply with primary side control

Power converters and associated methods of control

LI EN

Off time control method for switching regulator

Switching mode power supply with a multi-mode controller

Switching mode power supplies and associated methods of control

Switching mode power supply with spectrum shaping and the method thereof

REN YUANCHENG

Bridgeless PFC converter and the method thereof

Smart driving method for synchronous rectifier and its apparatus thereof

Latch-off of synchronous rectification for light load control

HU JIN

Power systems for driving light emitting diodes and associated methods of control

Switching regulator with frequency limitation and method thereof

Switching mode power supply with a spectrum shaping circuit

ZHANG JUNMING

Latch-off of real time synchronous rectification for light load control

Frequency limitation method with time hysteresis used in quasi-resonant control

Simple protection circuit and adaptive frequency sweeping method for CCFL inverter

JOULWATT TECH HANGZHOU CO LTD

Bleeder circuit

Synchronous rectification control circuit, method and flyback switch circuit

DU LEI

Light emitting diode driver systems and associated methods of control

Driver systems for driving light emitting diodes and associated driving methods

ZTE CORP

Control device and method of totem-pole bridgeless PFC soft switch

Current zero-cross detection device, signal acquisition circuit, and circuit system

FRANCOTYP POSTALIA AG

Arrangement for an ink-jet printer head composed of individual ink printer modules

UNIV MICHIGAN STATE

High efficiency gate drive circuit for power transistors

SHI YANG

Switching mode power supply with burst mode and associated methods of control

MONOLITHIE POWER SYSTEMS INC

Tail current control of isolated converter and apparatus thereof

SILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD

Control circuit and control method for a power converter

SHENZHEN JIANYI LIFE TECH CO LTD

Massage apparatus

WANG SIRAN

Compensation circuit for constant current regulation of power supply and method thereof

UNIV ZHEJIANG

Switching mode power supply with zero voltage switching and the method thereof