Non-reciprocal circuit element

Details Non-reciprocal circuit element Non-reciprocal circuit element

2008-07-01

2008-07-01

Jones, Stephen E (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

C333S024200

Reexamination Certificate

active

11873694

ABSTRACT:
A magnetic rotor includes a soft ferrite substrate and a plurality of central conductors. The magnetic rotor is provided inside a casing. A permanent magnet is provided inside the casing, and disposed to overlap the magnetic rotor so as to apply a DC magnetic field to the magnetic rotor. The casing includes a magnetic metal material. The casing is coupled with the permanent magnet so as to form a yoke. A coupling portion is formed in a direction crossing a magnetic circuit of the yoke. The casing is coupled in a direction of the magnetic circuit through the coupling portion. The coupling portion includes a single plate capacitor having a high impedance in response to a DC current and has low impedance in response to a high frequency current.

REFERENCES:
patent: 2002/0053964 (2002-05-01), Makino et al.
patent: 2002/0121942 (2002-09-01), Matsuoka et al.
patent: 2001-177308 (2001-06-01), None
Patent Abstracts of Japan, JP 2002-111320, Apr. 12, 2002.

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