Inventor
IENAKA MASANORI
18 patents
Patents
18 patentsUS4743864AMay 10, 1988
Power saving intermittently operated phase locked loop
HITACHI LTD87 citations94
US4236252ANov 25, 1980
Double-converting FM tuner
HITACHI LTD31 citations92
US4751469AJun 14, 1988
Phase coincidence detector
HITACHI LTD49 citations91
US4030035AJun 14, 1977
Circuit for preventing output clipping of R.F. stage in radio receiver
HITACHI LTD28 citations80
US4398060AAug 9, 1983
Muting circuit for an FM radio receiver
HITACHI LTD14 citations73
US4356350AOct 26, 1982
FM Receiver
HITACHI LTD14 citations73
US4247949AJan 27, 1981
Signal strength detecting circuit
HITACHI LTD14 citations73
US4277703AJul 7, 1981
Monostable multivibrator circuit with clamped non-saturating common emitter amplifier in feedback path
HITACHI LTD4 citations63
US4268762AMay 19, 1981
Pulse forming circuit
HITACHI LTD5 citations63
US4037056AJul 19, 1977
FM multiplex demodulator circuit
HITACHI LTD4 citations63
US4362998ADec 7, 1982
FM Detector using a phase shift network and an analog multiplier
HITACHI LTD4 citations62
US4313145AJan 26, 1982
Power output circuit
HITACHI LTD4 citations62
US4276442AJun 30, 1981
Protective circuit
HITACHI LTD3 citations62
US4236117ANov 25, 1980
FM Detector using a phase shift network and an analog multiplier
HITACHI LTD3 citations62
US4139738AFeb 13, 1979
Multiplex decoder having a distortion-free differential amplifier
HITACHI LTD4 citations62
US4282448AAug 4, 1981
Monostable multivibrator and FM detector circuit employing common emitter transistor amplifier with plural emitter resistors to avoid circuit operation from signal noise
HITACHI LTD1 citations52
US4166925ASep 4, 1979
FM stereo demodulator
HITACHI LTD1 citations51
US4292549ASep 29, 1981
Monostable multivibrator and FM detector circuit employing differential transistor pair (threshold) trigger circuit to avoid interference signal operation
HITACHI LTD0 citations41