Inventor
UMEWAKA MASAHIRO
JP6 patents
Patents
6 patentsUS7369629B2May 6, 2008
FSK signal demodulation circuit
SANYO ELECTRIC CO22 citations89
US7330708B2Feb 12, 2008
Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatus
SANYO ELECTRIC CO10 citations75
US6108428AAug 22, 2000
Tone control device and sound volume/tone control device for reducing noise at the time of tone modification
SANYO ELECTRIC CO5 citations61
US7386328B2Jun 10, 2008
Receiver
SANYO ELECTRIC CO4 citations60
US7171178B2Jan 30, 2007
Tuning circuit having amplitude-varying function
SANYO ELECTRIC CO3 citations56
US7271636B2Sep 18, 2007
Hysteresis comparator and reset signal generator
SANYO ELECTRIC CO2 citations54