Title:
ANTENNA UNIT
Document Type and Number:
WIPO Patent Application WO/2008/056601
Kind Code:
A1
Abstract:
An antenna unit (1) comprising an antenna coil (2) for performing at least one of
reception and transmission of an electromagnetic signal, a bobbin (3) around which
the antenna coil (2) is wound, a core (4) contained in the bobbin (3), and a coil
(5) for sensor electrode wound around the bobbin (3) in order to detect a predetermined
state change based on a variation in capacitance. The bobbin (3) has an antenna
coil winding portion (3a) for winding the antenna coil (2), and a sensor electrode
coil winding portion (3b) projected in one direction from the antenna coil winding
portion (3a) for winding the sensor electrode coil (5).
Inventors:
UEDA, Hozumi (3-3-6, Nihonbashiningyoch, Chuo-ku Tokyo 89, 1038589, JP)
上田 穂積 (〒89 東京都中央区日本橋人形町３丁目３番６号 スミダ電機株式会社内 Tokyo, 1038589, JP)
HENMI, Koji (3-3-6, Nihonbashiningyoch, Chuo-ku Tokyo 89, 1038589, JP)
上田 穂積 (〒89 東京都中央区日本橋人形町３丁目３番６号 スミダ電機株式会社内 Tokyo, 1038589, JP)
HENMI, Koji (3-3-6, Nihonbashiningyoch, Chuo-ku Tokyo 89, 1038589, JP)
Application Number:
JP2007/071372
Publication Date:
May 15, 2008
Filing Date:
November 02, 2007
Export Citation:
Assignee:
SUMIDA CORPORATION (3-3-6, Nihonbashiningyocho Chuo-ku Tokyo, 89, 1038589, JP)
スミダコーポレーション株式会社 (〒89 東京都中央区日本橋人形町３丁目３番６号 Tokyo, 1038589, JP)
UEDA, Hozumi (3-3-6, Nihonbashiningyoch, Chuo-ku Tokyo 89, 1038589, JP)
上田 穂積 (〒89 東京都中央区日本橋人形町３丁目３番６号 スミダ電機株式会社内 Tokyo, 1038589, JP)
スミダコーポレーション株式会社 (〒89 東京都中央区日本橋人形町３丁目３番６号 Tokyo, 1038589, JP)
UEDA, Hozumi (3-3-6, Nihonbashiningyoch, Chuo-ku Tokyo 89, 1038589, JP)
上田 穂積 (〒89 東京都中央区日本橋人形町３丁目３番６号 スミダ電機株式会社内 Tokyo, 1038589, JP)
International Classes:
H01Q7/08; H01F5/02; H01F27/32; H01Q11/08; E05B49/00
Attorney, Agent or Firm:
IAT WORLD PATENT LAW FIRM (27th Floor, Shinjuku Square Tower 22-1, Nishi-shinjuku 6-chome, Shinjuku-k, Tokyo 27, 1631127, JP)
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