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 (JP)
TOMIMITSU YASUHARU (JP)
TOMIMITSU YASUHARU (JP)
Application Number:
PCT/JP2017/006439
Publication Date:
August 31, 2017
Filing Date:
February 21, 2017
Export Citation:
Assignee:
NEC SOLUTION INNOVATORS LTD (JP)
SYSWAVE CORP (JP)
SYSWAVE CORP (JP)
International Classes:
H01Q21/20; G01S5/06; H01Q19/10
Foreign References:
| JPS62198706U | 1987-12-17 | |||
| JPH088814A | 1996-01-12 | |||
| JPH09135115A | 1997-05-20 | |||
| JPH01204505A | 1989-08-17 | |||
| JPH02250503A | 1990-10-08 |
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (JP)
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