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Patent Searching and Data


Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/087956
Kind Code:
A1
Abstract:
An antenna device 1E provided with a first to an n+2-th dielectric layer Sn+2 (2≤n), a first to an n-th patch electrode P1, and a ground electrode P, wherein the m-th patch electrode Pm (1≤m≤n-1) has two surfaces with a size corresponding to an m-th frequency, one surface of the two surfaces is in contact with the m-th dielectric layer Sm, the other surface of the two surfaces is in contact with the m+1-th dielectric layer Sm+1, the m+1-th patch electrode Pm+1 has two surfaces with a size corresponding to an m+1-th frequency, one surface of the two surfaces is in contact with the m+1-th dielectric layer Sm+1, the other surface of the two surfaces is in contact with the m+2-th dielectric layer Sm+2, the ground electrode P has a surface that is in contact with the n+1-th dielectric layer Sn+1 and a surface that is in contact with the n+2-th dielectric layer Sn+2, and the first dielectric layer S1 includes a dielectric substrate.

Inventors:
MATSUMOTO HISANORI (JP)
FUJIOKA TAKAYOSHI (JP)
TANIKAWARA MAKOTO (JP)
Application Number:
PCT/JP2017/024160
Publication Date:
May 17, 2018
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
H01Q5/371; H01Q1/40; H01Q13/08; H05K3/46
Domestic Patent References:
WO2014073355A12014-05-15
WO1996039728A11996-12-12
Foreign References:
JPH0629724A1994-02-04
EP3065219A12016-09-07
US20100315311A12010-12-16
US20050054317A12005-03-10
JP2002111208A2002-04-12
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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