Inventor

LUO QI-YAN

CN24 patents

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

LUO QI-YAN

Tong song-lin

Buck converter

Driver circuit

Test circuit for resistor capacitor circuits

Snubber circuit for buck converter

Measuring device for hard disk drive

Multimeter with charging system

Motherboard having time delay circuit for delaying PSON signal

Driving voltage adjusting circuit capable of adjusting driving voltage via digital rheostat

Driving circuit

Resistance determining system and method for circuit protection

Measurement circuit for power supply

Buck converter with delay circuit

Output voltage adjustment circuit for buck circuits

LUO QI-YAN

Power circuit for data storage device to prevent data loss

Printed circuit board for providing operation voltages

Overcurrent protection device

Power supply circuit with spike suppression circuit

Measurement circuit for capacitor

Power supply circuit for a CPU

Buck converter

Sequence control circuit for power source

CHEN PENG

Detection device

HONGFUJIN PREC IND SHENZHEN

Resistance determining system for over voltage protection circuit

Pan ya-jun

Electrical parameter detection device for peripheral component interconnect devices