Signal processing circuit and antenna apparatus

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United States of America Patent

PATENT NO 8912906
SERIAL NO

13229814

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Importance

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Abstract

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To form a signal processing circuit and an antenna apparatus that do not need a circuit to adjust resonant frequency of a resonant circuit or resonant-frequency adjustment work and that are downsized, an antenna coil and a capacitor define an antenna resonant circuit. An impedance matching circuit including capacitors, a first coil, and a second coil is provided between the antenna resonant circuit and a wireless IC. The first coil and the second coil are magnetically coupled.

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Patent Owner(s)

  • MURATA MANUFACTURING CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Noboru Nagaokakyo, JP 456 6250
Taniguchi, Katsumi Nagaokakyo, JP 76 970

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