Title:
INFORMATION ACQUIRING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/063526
Kind Code:
A1
Abstract:
The present invention arranges an electronic component which has a detection and transmitting-and-receiving circuit, conductive body and so forth in an internal space of a case other than a space (E) surrounded by virtual surfaces that make a given angle (θ) with respect to a coil axis (x) outwardly from the peripheral position of the opening face of the end portion in the X direction of the coil axis of a coil antenna (450). The angle (θ) is greater than five (5) degrees, and preferably 90 degrees. A small electronic component or a small conductive body may be arranged within the aforementioned space (E) unless the magnetic current of the antenna (450) is largely changed.
Inventors:
NAKATANI KOJI (JP)
Application Number:
PCT/JP2011/066129
Publication Date:
May 18, 2012
Filing Date:
July 14, 2011
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
NAKATANI KOJI (JP)
NAKATANI KOJI (JP)
International Classes:
H01Q1/52; B60C23/04; G01L17/00; H01Q1/22; H01Q7/00; H01Q23/00
Domestic Patent References:
| WO2008133018A1 | 2008-11-06 |
Foreign References:
| JP2005269608A | 2005-09-29 | |||
| JP2006306184A | 2006-11-09 | |||
| JP3962073B2 | 2007-08-22 |
Other References:
See also references of EP 2639880A4
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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