Inventor

LIAO TUNG-TSAI

TW30 patents

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

LIAO TUNG-TSAI

GENERALPLUS TECHNOLOGY INC

Capacitive sensor

Capacitive sensor with alternating current power immunity

Information input panel using light emitted diode matrix with time-division multiplexing

Method for measuring speed of conductor slipping through capacitive sensor

System for non-contact ID identification and ID card using the same

Method for coding two dimensional optical identification with the same gray level and printing product thereof

Ultra-low power wakeup circuit device

Electronic candle and electronic night lamp

Method for measuring velocity of conductor pressing on capacitive sensor

Decoder for wireless charging transmitter and wireless charging transmitter using the same

Apparatus with both touch sensing and electrical field sensing functions and interactive apparatus using the same

Expandable device for wireless audio input

Low cost analog to digital converter and a method for converting an analog signal to a digital signal

Touch sensor with electrostatic immunity and sensing method thereof

Method and system for page detection using light attenuators

SUNPLUS TECHNOLOGY CO LTD

RFID communication system and the search method thereof

Exposure control system and method for an image sensor

Touch pad and position detecting circuit and method thereof

Delta-sigma modulator

Panel sensing device and positioning location searching method of the same

Motion detection system and motion detection method

Enhanced structure of extensible time-sharing bus capable of reducing pin number, extending memory capacity, and performing I/O mapping access and block access

Multi-function voltage regulator

LIAO TUNG-TSAI

Audio system and related method integrated with ultrasound communication functionality

Capacitance touch sensor

Multipurpose infrared apparatus and display apparatus thereof

LEE KUNG-WANG

Circuit for thermal protection in audio power amplifier and method thereof

LIAO TUNG TSAI

Infrared positioning apparatus and system thereof

SUNPLUS TECHNOLOGY CO INC

Power saving wake-up device for wireless mouse

TSAI MING-HUNG

Circuit for eliminating pop sounds at power on and off by a moderate waveform