Title:
WAVEGUIDE SLOT ANTENNA AND WARNING SYSTEM USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/203859
Kind Code:
A1
Abstract:
Provided is a waveguide slot antenna (A) wherein a plurality of radiation slots (3) are formed, at predetermined intervals, in a waveguide (10) that has a rectangular cross-section at every portion thereof in the direction in which a wave-guiding path (2) extends. The waveguide (10) consists of first and second waveguide forming members (11, 12) the cross-sections of which have ends and which are joined to each other, thereby defining the wave-guiding path (2). The first waveguide forming member (11) is flat-shaped and has the plurality of radiation slots (3) therein.
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Inventors:
SONOZAKI TOMOKAZU (JP)
NODA HIROYUKI (JP)
MORI NATSUHIKO (JP)
NODA HIROYUKI (JP)
MORI NATSUHIKO (JP)
Application Number:
PCT/JP2014/065901
Publication Date:
December 24, 2014
Filing Date:
June 16, 2014
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
SONOZAKI TOMOKAZU (JP)
NODA HIROYUKI (JP)
MORI NATSUHIKO (JP)
SONOZAKI TOMOKAZU (JP)
NODA HIROYUKI (JP)
MORI NATSUHIKO (JP)
International Classes:
H01Q13/22; H01Q21/06
Foreign References:
| JPH037406A | 1991-01-14 | |||
| JP2007228313A | 2007-09-06 | |||
| JP2000341030A | 2000-12-08 | |||
| JP2008205588A | 2008-09-04 | |||
| JP2000341030A | 2000-12-08 |
Other References:
See also references of EP 3012915A4
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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