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Title:
ANTENNA DEVICE AND POSITION DETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/146068
Kind Code:
A1
Abstract:
An antenna device 10 is provided with: at least two reception modules 11 for receiving radio waves of a specific wavelength from a beacon; a substrate 12 on the same surface of which the reception modules 11 are disposed; and, for the reception modules 11, a shielding member 13 that mutually shields the reception modules so as to restrict the incidence direction of the radio waves.

Inventors:
IKEDA, Kazunori (1-18-7, Shinkiba, Koto-k, Tokyo 27, 〒1368627, JP)
TOMIMITSU, Yasuharu (1-17-5 Kashimada, Saiwai-ku, Kawasaki-sh, Kanagawa 58, 〒2120058, JP)
Application Number:
JP2017/006439
Publication Date:
August 31, 2017
Filing Date:
February 21, 2017
Export Citation:
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Assignee:
NEC SOLUTION INNOVATORS, LTD. (1-18-7, Shinkiba Koto-k, Tokyo 27, 〒1368627, JP)
SYSWAVE CORP. (1-17-5, Kashimada Saiwai-ku, Kawasaki-sh, Kanagawa 58, 〒2120058, JP)
International Classes:
H01Q21/20; G01S5/06; H01Q19/10
Foreign References:
JPS62198706U1987-12-17
JPH088814A1996-01-12
JPH09135115A1997-05-20
JPH01204505A1989-08-17
JPH02250503A1990-10-08
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (2-5-10, Sonezaki Kita-ku, Osaka-sh, Osaka 57, 〒5300057, JP)
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