Inventor
ODAKA MAKOTO
JP5 patents
Patents
5 patentsUS4622691ANov 11, 1986
Mobile sound field correcting device
PIONEER ELECTRONIC CORP57 citations95
US4868878ASep 19, 1989
Sound field correction system
PIONEER ELECTRONIC CORP28 citations92
US4648117AMar 3, 1987
Mobile sound field correcting device
PIONEER ELECTRONIC CORP47 citations92
US4644292AFeb 17, 1987
Automatic gain and frequency characteristic control unit in audio device
PIONEER ELECTRONIC CORP19 citations81
US4742310AMay 3, 1988
Automatic sound volume controlling device for use in automotive vehicle
PIONEER ELECTRONIC CORP11 citations73