Inventor

LI SHENGYUAN

US28 patents

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

LI SHENGYUAN

AVAGO TECH INT SALES PTE LID

Dual hysteretic control loop of envelope tracking

Method and apparatus for suppressing audible buzz from high-efficiency switching-mode power supply

Method and apparatus for stable battery-powered supply modules

Method and apparatus for high-efficiency supply integrity with fast and large load variation

Method and apparatus for reducing electromagnetic interference in switching power supplies

Method and apparatus for switching-mode power supply startup

Robust low power standby controller for wearable and healthcare supply modules

Method and apparatus for reducing audible buzz from a switching-mode power supply

Analog built-in self-test scheme for high volume power management integrated circuit products

Method and apparatus for bypassing current generation in parallel with switching regulator

TEXAS INSTRUMENTS INC

Laser diode driver with wave-shape control

Over current protection device

Laser diode driver architectures

Low-voltage wide-range linear transconductor cell

Laser diode write driver feedback, current mirror, and differential-pair circuitry

Class-AB driver design with improved frequency response

HFM enable control system

QUALCOMM INC

Programmable snubber circuit

Fast low power level shifters

Fast voltage domain converters with symmetric and supply insensitive propagation delay

LI SHENGYUAN

Input signal processing system

Current driver damping circuit

Input current channel device

DOI AKIHIKO

High frequency modulator

Current gain control system

HE LIN

LED light source module

AUTEL ROBOTICS CO LTD

Unmanned aerial vehicle

DEAN DOUGLAS WARREN

Laser diode driver with wave-shape control