Hiroyasu Murata

Digital subscriber line communicating system

Method and apparatus for judging timing phase of modem which is used in data communication

Method of reading information and apparatus therefor, method of acquring signal for use with information reading apparatus, method of processing band limitation, method of extractingtiming point amplitude and method of processing signal thereof, read signal processing unit, and metthod of procesing read signal and processing apparatus thereof

Initialization equalization for modulation and demodulation using special training pattern

Method and device for removing frequency offset

Automatic gain control circuit for a demodulation section of a modem

Transmission signal processing apparatus

Data transmission method and apparatus

Method and device for eliminating noise

Frequency offset dealing modulator and demodulator apparatus