Layered bandpass filter

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United States of America Patent

PATENT NO 8952767
APP PUB NO 20120249264A1
SERIAL NO

13429982

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A bandpass filter includes a layered structure including a plurality of stacked dielectric layers, and first to third resonators provided within the layered structure. In terms of circuit configuration, the second resonator is located between the first and third resonators. The first resonator includes a first inductor and a first capacitor. The second resonator includes a second inductor and a second capacitor. The third resonator includes a third inductor and a third capacitor. The second inductor is disposed at a position different from that of each of the first and third inductors in the stacking direction of the dielectric layers. The second inductor is lower in inductance than the first and third inductors. The second capacitor is higher in capacitance than the first and third capacitors.

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Patent Owner(s)

  • TDK CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Isao Tokyo, JP 64 495
Tomaki, Shigemitsu Tokyo, JP 34 60
Wakata, Eiko Tokyo, JP 7 40

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