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Patent Searching and Data


Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/159668
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a technique for an antenna device, in which the transmission and reception of a circular polarized wave can be favorably performed by means of a patch antenna even in the presence of a capacitance loading element. This antenna device is provided with: a patch antenna 20 as a first antenna; and an AM/FM broadcast receiving antenna 30 as a second antenna, the AM/FM broadcast receiving antenna having divided capacitance loading elements 41, 42, 43 and being positioned over the patch antenna. The capacitance loading elements 41, 42, 43 are disposed divided in the front-back direction. The capacitance loading elements are connected to each other by means of filters 60.

Inventors:
SONE Takayuki (TOMIOKA PLANT, 1112, Kanohara, Tomioka-Sh, Gunma 95, 〒3702495, JP)
Application Number:
JP2018/007479
Publication Date:
September 07, 2018
Filing Date:
February 28, 2018
Export Citation:
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Assignee:
YOKOWO CO., LTD. (5-11, Takinogawa 7-Chome Kita-K, Tokyo 15, 〒1148515, JP)
International Classes:
H01Q13/08; H01Q5/385; H01Q9/36; H01Q11/08; H01Q1/22; H01Q21/28
Foreign References:
JP2015084575A2015-04-30
JP2014112828A2014-06-19
JP2016032165A2016-03-07
Attorney, Agent or Firm:
KURODA Yasushi et al. (3rd Fl, Prostech Awajicho 2-8, Kanda Awajicho, Chiyoda-k, Tokyo 63, 〒1010063, JP)
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