Wave transmission lines and networks – Plural channel systems – Nonreciprocal gyromagnetic type
Reexamination Certificate
2006-01-24
2006-01-24
Jones, Steven E. (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Nonreciprocal gyromagnetic type
C333S024200
Reexamination Certificate
active
06989719
ABSTRACT:
A non-reciprocal circuit element includes a magnetic plate, a common electrode, a first main segment, a second main segment, a third main segment, and a magnet opposing to the magnetic plate and the magnet applying a bias magnetic field. The temperature coefficient of the saturation magnetization of the magnetic plate is from −0.2%/° C. to −0.1%/° C. in the temperature range from −35° C. to 85° C. The temperature coefficient of the residual magnetization of the magnet is from −0.20%/° C. to −0.15%/° C. in a temperature range from −35° C. to 85° C.
REFERENCES:
patent: 6317010 (2001-11-01), Butland et al.
patent: 11-283821 (1999-10-01), None
Onishi Hitoshi
Takadate Kinshiro
Alps Electric Co. ,Ltd.
Brinks Hofer Gilson & Lione
Jones Steven E.
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