Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhide Iwamoto0
Masanori Ueda0
Shogo Inoue0
Takashi Matsuda0
Date of Patent
January 20, 2009
0Patent Application Number
112627650
Date Filed
November 1, 2005
0Patent Primary Examiner
Patent abstract
A duplexer that includes: a transmission filter and a reception filter that are connected to a common terminal; and a reactance circuit that is connected to at least one of the transmission filter and the reception filter. The reactance circuit includes an insulating substrate, lumped-constant inductors, and at least one capacitor. The lumped-constant inductors and the capacitor are formed directly on the surface of the insulating substrate.
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