Wave transmission lines and networks – Plural channel systems – Nonreciprocal gyromagnetic type
Reexamination Certificate
2006-10-30
2009-12-01
Jones, Stephen E (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Nonreciprocal gyromagnetic type
C333S024200
Reexamination Certificate
active
07626471
ABSTRACT:
A non-reciprocal circuit device comprising a first inductance element L1disposed between a first input/output port P1and a second input/output port P2, a first capacitance element Ci parallel-connected to the first inductance element L1to constitute a first resonance circuit, a resistance element R parallel-connected to the first parallel resonance circuit, a second inductance element L2disposed between a second input/output port P2of the first resonance circuit and a ground, a second capacitance element Cfa parallel-connected to the second inductance element L2to 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 P2of the first resonance circuit and the ground.
REFERENCES:
patent: 6696901 (2004-02-01), Takeda et al.
patent: 2004/0004521 (2004-01-01), Hasegawa
patent: 2004-088743 (2004-03-01), None
patent: 2004-088744 (2004-03-01), None
patent: 2005-102143 (2005-04-01), None
patent: 00/59065 (2000-10-01), None
Kishimoto Yasushi
Terawaki Takefumi
Hitachi Metals Ltd.
Jones Stephen E
Sughrue & Mion, PLLC
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