Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Reexamination Certificate
2006-10-10
2006-10-10
Jones, Stephen E. (Department: 2817)
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
C333S219000
Reexamination Certificate
active
07119639
ABSTRACT:
A dual mode band-pass filter includes a metallic film for defining a resonator, disposed on the first main surface of a dielectric substrate having first and second main surfaces, or inside of the dielectric substrate. An opening is formed in the metallic film. At least one ground electrode is provided on the second main surface of the dielectric substrate or inside of the dielectric substrate, so as to be opposed to the metallic film through a dielectric layer. A pair of input-output coupling circuits is connected to the metallic film.
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Kanba Seiji
Mizoguchi Naoki
Okamura Hisatake
Jones Stephen E.
Murata Manufacturing Co. Ltd.
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