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Patent Searching and Data


Title:
ARRAY ANTENNA
Document Type and Number:
WIPO Patent Application WO/2019/187758
Kind Code:
A1
Abstract:
The present invention makes it possible to supply power to antenna elements with low loss, even in a case where a plurality of antenna elements are arranged at narrow intervals. A waveguide branching circuit (12) includes a waveguide and branches a signal input from an external port (11) into two or more signals. A microstrip line branching circuit (14) includes a microstrip line and further branches, into two or more signals, the signals that have been branched by the waveguide branching circuit (12). A conversion means (13) performs signal conversion between the waveguide and the microstrip line. The signals branched by the microstrip line are respectively input to the plurality of antenna elements (15).

Inventors:
KUWABARA Toshihide (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2019/005696
Publication Date:
October 03, 2019
Filing Date:
February 15, 2019
Export Citation:
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Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
International Classes:
H01Q3/36; H01P5/12; H01Q21/06; H01Q23/00
Foreign References:
US20060256016A12006-11-16
JP2005341443A2005-12-08
JP2005102024A2005-04-14
US20160218438A12016-07-28
US5426441A1995-06-20
Attorney, Agent or Firm:
IEIRI Takeshi (HIBIKI IP Law Firm, Asahi Bldg. 5th Floor 3-33-8, Tsuruya-cho, Kanagawa-ku, Yokohama-sh, Kanagawa 35, 〒2210835, JP)
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