Title:
WAVEGUIDE DEVICE, AND ANTENNA DEVICE INCLUDING THE WAVEGUIDE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/207838
Kind Code:
A1
Abstract:
A waveguide device includes: an electrically conductive member having an electrically conductive surface; a waveguide member extending alongside the electrically conductive surface, and an artificial magnetic conductor extending on both sides of the waveguide member. The waveguide member includes: a first portion extending in one direction; and at least two branches extending from one end of the first portion, the at least two branches including a second portion and a third portion that extend in mutually different directions. A waveguide which is defined by the electrically conductive surface, the waveguide face, and the artificial magnetic conductor includes a gap enlargement at which a gap between the electrically conductive surface and the waveguide face is locally enlarged. At least a part of a junction at which the first portion of the waveguide member becomes jointed with the at least two branches overlaps the gap enlargement, as seen through in a direction perpendicular to the electrically conductive surface.
Inventors:
KAMO HIROYUKI (JP)
KIRINO HIDEKI (JP)
KIRINO HIDEKI (JP)
Application Number:
PCT/JP2018/017976
Publication Date:
November 15, 2018
Filing Date:
May 09, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
WGR CO LTD (JP)
WGR CO LTD (JP)
International Classes:
H01P5/12; H01P3/123; H01Q13/10; H01Q21/06
Domestic Patent References:
| WO2017050817A1 | 2017-03-30 |
Foreign References:
| US20170110802A1 | 2017-04-20 | |||
| US20160254582A1 | 2016-09-01 | |||
| US20110181373A1 | 2011-07-28 |
Other References:
KIRINO ET AL.: "A 76 GHz Multi-Layered Phased Array Antenna Using a Non-Metal Contact Metamaterial Waveguide", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 60, no. 2, February 2012 (2012-02-01), pages 840 - 853, XP055545959
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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