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US 7,095,300 B2Granted
Band eliminate filter and communication apparatus
AssigneeMurata Manufacturing Co., Ltd.
InventorMasamichi Andoh
Life of this patent
Estimating the term…
Abstract
A coaxial capacitor is inserted in a coaxial cable in a predetermined position. A housing is provided as a ground conductor path in order to establish conduction between two external conductors in portions of the coaxial cable which are separated by the inserted coaxial capacitor. Inside the housing, a resonator formed by a dielectric coaxial resonator or the like, the coaxial capacitor, and a connecting conductor are accommodated.
Claims8
A band eliminate filter comprising:
- a coaxial line having two external conductor portions;
- a coaxial capacitor inserted between said two external conductor portions;
- a ground conductor path for establishing electrical conduction between each of said two external conductor portions of said coaxial line which are separated by the inserted coaxial capacitor;
- and
- a resonator connected to junctions of the external conductor portions and said ground conductor path.
2 more elements
A band eliminate filter comprising:
- a coaxial line having two external conductor portions;
- a coaxial capacitor inserted between said two external conductor portions;
- a ground conductor path for establishing electrical conduction between each of said two external conductor portions of said coaxial line which are separated by the inserted coaxial capacitor;
- and
- a resonator connected to junctions of the external conductor portions and said ground conductor path,
- wherein said coaxial capacitor includes a portion of an inner conductor of said coaxial line in which an external conductor in a portion of said coaxial line is removed in a band shape, and a capacitance conductor which combines with the portion of the inner conductor to generate an electrostatic capacitance.
3 more elements
Dependencies are inferred from the claim text.