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Patent Searching and Data


Title:
ANTENNA COIL FOR MOUNTING ON SUBSTRATE AND ANTENNA DEVICE WITH SUCH ANTENNA COIL
Document Type and Number:
WIPO Patent Application WO/2008/004326
Kind Code:
A1
Abstract:
An antenna coil (2) having a first magnetic core (4a), a second magnetic core (4b), and a flexible substrate (5). A coil conductor is formed on the surface of the flexible substrate (5). The flexible substrate (5) is wound around the first magnetic core (4a) and the second magnetic core (4b), and this forms a first coil section (2a) around the first magnetic core (4a) and a second coil section (2b) around the second magnetic core (4b). The second coil section (2b) is wound in the opposite direction to the first coil section (2a). The first coil section (2a) and the second coil section (2b) are interconnected, and these two coil sections as a whole form one coil.

Inventors:
YOSUI KUNIAKI (JP)
KUBO HIROYUKI (JP)
ITO HIROMITSU (JP)
Application Number:
PCT/JP2006/326077
Publication Date:
January 10, 2008
Filing Date:
December 27, 2006
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
YOSUI KUNIAKI (JP)
KUBO HIROYUKI (JP)
ITO HIROMITSU (JP)
International Classes:
H01Q7/06; G06K19/07; G06K19/077; H01Q1/24
Foreign References:
JP2003318634A2003-11-07
JPH08204432A1996-08-09
JPH11122146A1999-04-30
JP2002207981A2002-07-26
JP2005277524A2005-10-06
JP3121577U2006-05-18
JP2001034726A2001-02-09
JP2006050522A2006-02-16
Attorney, Agent or Firm:
KOMORI, Hisao (Noninbashi Chuo-k, Osaka-shi Osaka 11, JP)
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