Inventor
KOKUMAI MOTOHIRO
JP5 patents
Patents
5 patentsUS5018134AMay 21, 1991
Method for cancelling echo in a transmitter and an apparatus therefor
HITACHI LTD53 citations94
US4896318AJan 23, 1990
Method for cancelling echo in a transmitter and an apparatus therefor
HITACHI LTD21 citations80
US4868874ASep 19, 1989
Echo canceller
HITACHI LTD22 citations77
US5311503AMay 10, 1994
Terminal apparatus for full-duplex data transmission having an echo canceller
HITACHI LTD17 citations72
US5097488AMar 17, 1992
Transmission apparatus and method
HITACHI LTD15 citations70