Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/171650
Kind Code:
A1
Abstract:
An antenna device (1) is provided with: a first ground member (15); one or more first antennas (11) connected to the first ground member (15) and resonating in a first frequency band; a second ground member (25) disposed in a position adjacent to the first ground member (15) with a gap (60) therebetween, and connected to a ground different from the first ground member (15); one or more second antennas (21) connected to the second ground member (25) and resonating in a second frequency band; one or more first filters (31) connecting the first ground member (15) and the second ground member (25), and attenuating a signal of the first frequency band; and one or more second filters (32) connecting the first ground member (15) and the second ground member (25) in a position different from the one or more first filters (31) and attenuating the signal of the first frequency band less than the one or more first filters (31).
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Inventors:
NOGUCHI WATARU
Application Number:
PCT/JP2020/029741
Publication Date:
September 02, 2021
Filing Date:
August 04, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01P1/20; H01Q1/52; H01Q13/08; H01Q21/30
Domestic Patent References:
| WO2008049354A1 | 2008-05-02 |
Foreign References:
| US8884835B2 | 2014-11-11 | |||
| JPS61285802A | 1986-12-16 | |||
| JP2000059130A | 2000-02-25 |
Other References:
See also references of EP 4113736A4
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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