The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2009
Filed:
Oct. 30, 2006
Yasushi Kishimoto, Tottori, JP;
Takefumi Terawaki, Tottori, JP;
Yasushi Kishimoto, Tottori, JP;
Takefumi Terawaki, Tottori, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A non-reciprocal circuit device comprising a first inductance element Ldisposed between a first input/output port Pand a second input/output port P, a first capacitance element Ci parallel-connected to the first inductance element Lto constitute a first resonance circuit, a resistance element R parallel-connected to the first parallel resonance circuit, a second inductance element Ldisposed between a second input/output port Pof the first resonance circuit and a ground, a second capacitance element Cfa parallel-connected to the second inductance element Lto constitute a second resonance circuit, a third inductance element Lg disposed between the second resonance circuit and the ground, and a third capacitance element Cfb disposed between a second input/output port Pof the first resonance circuit and the ground.