Directional coupler

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9391354
APP PUB NO 20150236666A1
SERIAL NO

14621749

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A directional coupler includes: a main line connecting an input port and an output port; a first subline section and a second subline section each of which is formed of a line configured to be electromagnetically coupled to the main line; and a matching circuit provided between the first subline section and the second subline section. The matching circuit includes a first path connecting the first subline section and the second subline section, and a second path connecting the first path and the ground. The first path includes a first inductor. The second path includes a first capacitor and a second inductor connected in series.

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Patent Owner(s)

  • TDK CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ootsuka, Noriaki Tokyo, JP 13 82
Sakisaka, Yasunori Tokyo, JP 9 102

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