Antenna device and wireless communication apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8803758
APP PUB NO 20130002511A1
SERIAL NO

13535736

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An antenna device of an embodiment includes: an antenna having a feeding point and an end portion apart from the feeding point, the end portion being an open end; a variable impedance matching circuit connected to the antenna at the feeding point; a probe placed in such a position that the distance from the end portion to a tip of the probe is equal to or shorter than one eighth of the wavelength corresponding to the maximum radio frequency used in the antenna device; and a controller that is connected to the probe, and controls the variable impedance matching circuit, based on an electrical signal measured with the probe.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higaki, Makoto Kanagawa, JP 47 350
Kashiwagi, Ippei Tokyo, JP 18 121
Obayashi, Shuichi Kanagawa, JP 86 1579
Shoki, Hiroki Kanagawa, JP 57 1951

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