Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Okazaki0
Yasushi Yamao0
Atsushi Fukuda0
Tetsuo Hirota0
Date of Patent
January 17, 2012
0Patent Application Number
105485590
Date Filed
March 15, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A matching circuit including a main matching block 51 inserted in a signal path and a series matching block 522, one end of which is connected to the main matching block 51, in which one end of a series connection of a switch 542 and a parallel matching block 532 is connected to the signal path at the other end of the series matching block 522 and impedance matching between input/output is performed at any one of two frequencies by setting the switch to ON/OFF.
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