Inventor
OSADA SHIGERU
JP13 patents
Patents
13 patentsUS6842198B2Jan 11, 2005
TV signal receiving tuner capable of outputting oscillation signal having wide frequency band by means of single local oscillator
ALPS ELECTRIC CO LTD21 citations92
US6559899B1May 6, 2003
Digital blocks television tuner having simple baseband signal processing portion
ALPS ELECTRIC CO LTD13 citations84
US6731348B2May 4, 2004
Television tuner having simple layout and capable of receiving FM broadcast signals without interference
ALPS ELECTRIC CO LTD13 citations83
US6236437B1May 22, 2001
Television tuner capable of receiving signals without being restricted by application site and television signal receiving unit for personal computer using the same
ALPS ELECTRIC CO LTD18 citations83
US6822697B1Nov 23, 2004
Television tuner that generates no interfering signal
ALPS ELECTRIC CO LTD7 citations72
US6353462B1Mar 5, 2002
Television signal and FM broadcast signal demodulator and television signal and FM broadcast signal receiver
ALPS ELECTRIC CO LTD10 citations72
US6707681B2Mar 16, 2004
Surface mount typed electronic circuit of small size capable of obtaining a high-Q
ALPS ELECTRIC CO LTD6 citations62
US6639630B2Oct 28, 2003
TV-signal receiving tuner with reduced extraneous emission
ALPS ELECTRIC CO LTD5 citations62
US7436276B2Oct 14, 2008
Tuning circuit preventing a deterioration of Q value
ALPS ELECTRIC CO LTD0 citations51
US7368974B2May 6, 2008
Signal adder circuit capable of removing effects due to phase error or amplitude error of I and Q signals
ALPS ELECTRIC CO LTD0 citations51
US7209723B2Apr 24, 2007
Direct conversion circuit having reduced bit errors
ALPS ELECTRIC CO LTD1 citations51
US6864776B2Mar 8, 2005
Coupling adjusting structure for double-tuned circuit
ALPS ELECTRIC CO LTD0 citations51
US6784780B2Aug 31, 2004
Coupling adjusting structure for double-tuned circuit
ALPS ELECTRIC CO LTD0 citations51