Title:
DUAL LOOP ANTENNA
Document Type and Number:
WIPO Patent Application WO/2019/039094
Kind Code:
A1
Abstract:
The present invention provides a dual loop antenna capable of clearly setting the boundary of a communication area and creating a well-balanced communication area. A dual loop antenna 100 is provided with a first loop antenna 11 and a second loop antenna 21, wherein the first loop antenna 11 and the second loop antenna 21 are formed on an x-y plane, the center of the first loop antenna 11 and the center of the second loop antenna 21 are disposed at the same distance on an x-axis from an origin that is the center of the dual loop antenna 100, and a phase difference between electric currents flowing through the first loop antenna 11 and the second loop antenna 21, respectively, is any value in the range of 130-230 degrees.
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Inventors:
SASAKI AI-ICHIRO (JP)
KODATE JUNICHI (JP)
FUKE JUMPEI (JP)
OKADA HIROKI (JP)
OKUYAMA HIROKO (JP)
KODATE JUNICHI (JP)
FUKE JUMPEI (JP)
OKADA HIROKI (JP)
OKUYAMA HIROKO (JP)
Application Number:
PCT/JP2018/025139
Publication Date:
February 28, 2019
Filing Date:
July 03, 2018
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
H01Q7/00; H01Q3/04; H01Q3/34; H01Q7/08
Foreign References:
| JP2001102860A | 2001-04-13 | |||
| JP2007028472A | 2007-02-01 | |||
| JP2011259366A | 2011-12-22 | |||
| JP2004343410A | 2004-12-02 | |||
| JP2011233956A | 2011-11-17 | |||
| JP6069548B1 | 2017-02-01 |
Other References:
See also references of EP 3675281A4
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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