Inventor
ICHIKAWA TOSHIHITO
JP13 patents
Patents
13 patentsUS5220687AJun 15, 1993
Radio receiver having switch for switching between a wide filter and a narrow filter
PIONEER ELECTRONIC CORP85 citations94
US5731741AMar 24, 1998
Receiver frequency synthesizer-tuner providing high speed tuning
PIONEER ELECTRONIC CORP29 citations92
US5390342AFeb 14, 1995
Receiver using selective diversity receiving system
PIONEER ELECTRONIC CORP43 citations92
US5745845AApr 28, 1998
Receiver with automatic receiving-station switching function
PIONEER ELECTRONIC CORP40 citations91
US4776040AOct 4, 1988
Superheterodyne receiver
PIONEER ELECTRONIC CORP52 citations91
US6006078ADec 21, 1999
Receiver with improved lock-up time and high tuning stability
PIONEER ELECTRONIC CORP14 citations73
US5201062AApr 6, 1993
Noise reducing circuit
PIONEER ELECTRONIC CORP17 citations73
US4368355AJan 11, 1983
AM Stereophonic signal receiver with electric field strength detection
PIONEER ELECTRONIC CORP10 citations73
US5263184ANov 16, 1993
Noise reducing circuit for a receiver using a fuzzy controller
PIONEER ELECTRONIC CORP10 citations71
US4759079AJul 19, 1988
Random noise detecting system and method
PIONEER ELECTRONIC CORP3 citations62
US4691356ASep 1, 1987
AM/FM synchronizing circuit
PIONEER ELECTRONIC CORP5 citations62
US4648114AMar 3, 1987
AM stereo demodulator
PIONEER ELECTRONIC CORP4 citations62
US4633497ADec 30, 1986
Separation control circuit
PIONEER ELECTRONIC CORP3 citations62