Inventor

LI CHING-SHENG

TW27 patents

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

LI CHING-SHENG

ANPEC ELECTRONICS CORP

Full bridge circuit and DC motor capable of fixing output voltage and avoiding reverse current

Motor driving circuit having low current consumption under a standby mode

Fan system—rotation speed control circuit and method for rotation speed error auto-calibration thereof

Pulse width modulation structure enabling regulated duty cycle

Motor speed curve control circuit and moter thereof

Pulse width modulation circuit capable of linearly adjusting duty cycle with voltage and related method

Clamp circuit for clamping inrush voltage induced by hot plugging and related chip

Driving circuit for switching DC power

Driving circuit to avoid reverse current for soft switching DC motor

Motor driving circuit and method

PWM switching direct voltage circuit

Positive and negative rotation control circuit and fan system

Fan system—single-phase DC motor control circuit and control method thereof

Motor protection device and method

Heat dissipation system, rotation speed control circuit and method thereof

TSAI MING-JUNG

Method of driving DC motor and related circuit for avoiding reverse current

Method and motor driving circuit for adjusting rotational speed of motor

Motor driving circuit and method thereof

Current limit control method of DC motor and related device and circuit

Rotation speed control circuit, rotation speed control method and fan system

CHEN KUN-MIN

Power control circuit, switching power converter, and method for reducing noise and switching loss

Driving method and related driving device for a motor

YANG CHIA-TAI

Pulse width modulation driving IC and pulse width modulation output signal generating method

Sensorless method and related device for starting a three-phase brushless direct-current motor

TENG TZU-CHENG

Rotating speed adjustment circuit and related control system for a heat dissipation fan

Chen ke-min

Motor driving circuit for adjusting speed of a motor by changing an output voltage

LIN YING-CHEN

Start-up circuit and motor driving IC