Inventor
MATSUDAIRA TAKESHI
3 patents
Patents
3 patentsUS3993869ANov 23, 1976
Amplifying circuit for use with a high impedance source transducer
SONY CORP8 citations71
US4124895ANov 7, 1978
Acoustic measuring system
SONY CORP9 citations67
US4006313AFeb 1, 1977
Transmitting and reproducing system having improved noise reduction characteristics for quadraphonic audio information signals
SONY CORP3 citations60