Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/102773
Kind Code:
A1
Abstract:
[Problem] To suppress, in an antenna device having a plurality of antennas, the influence that the antennas have on the characteristics of one another. [Solution] An antenna device comprising: a case; a base that, together with the case, forms a housing space; and a first antenna and a second antenna that are housed in the housing space, wherein the first antenna corresponds to radio waves of a first frequency band, the second antenna has a first element and a second element that is connected to the first element, said first element having a plurality of parallel resonance units that resonate in the first frequency band and a first connection unit that connects neighboring parallel resonance units among the plurality of parallel resonance units to one another, and the second antenna corresponds to radio waves of a second frequency band that differs from the first frequency band.
Inventors:
SONE TAKAYUKI (JP)
HARA BUNPEI (JP)
HARA BUNPEI (JP)
Application Number:
PCT/JP2021/041903
Publication Date:
May 19, 2022
Filing Date:
November 15, 2021
Export Citation:
Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
H01Q1/32; H01Q5/30
Domestic Patent References:
| WO2018159668A1 | 2018-09-07 | |||
| WO2012127903A1 | 2012-09-27 | |||
| WO2019124518A1 | 2019-06-27 | |||
| WO2018164018A1 | 2018-09-13 |
Foreign References:
| JP2010021856A | 2010-01-28 |
Other References:
MACI S., GENTILI G. B.: "DUAL-FREQUENCY PATCH ANTENNAS.", IEEE ANTENNAS AND PROPAGATION MAGAZINE., IEEE SERVICE CENTER, PISCATAWAY, NJ., US, vol. 39., no. 06., 1 December 1997 (1997-12-01), US , pages 13 - 20., XP000727580, ISSN: 1045-9243, DOI: 10.1109/74.646798
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
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