Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/117699
Kind Code:
A1
Abstract:
This antenna device comprises: a feeding element having a feeding point to which a signal of a first frequency band and a signal of a second frequency band lower than the first frequency band are supplied; a high-bandwidth element which is connected to the feeding element and in which the signal of the first frequency band resonates; a low-bandwidth element which is connected to the feeding element and in which the signal of the second frequency band resonates; an auxiliary element that is capacitively coupled to the low-bandwidth element on the open end of the low-bandwidth element; a ground member to be grounded; and a switch for switching a conducting state and a nonconducting state between the ground member and the auxiliary element.
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Inventors:
KOSHI MASASHI
KANASAKI YOSHIHIRO
TANI KAZUYA
KANASAKI YOSHIHIRO
TANI KAZUYA
Application Number:
PCT/JP2020/045588
Publication Date:
June 17, 2021
Filing Date:
December 08, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01Q5/371; H01Q9/14; H01Q9/42
Domestic Patent References:
| WO2005109569A1 | 2005-11-17 | |||
| WO2011059088A1 | 2011-05-19 | |||
| WO2017141602A1 | 2017-08-24 |
Foreign References:
| JP2005020621A | 2005-01-20 | |||
| JP2007166615A | 2007-06-28 | |||
| JP2008067052A | 2008-03-21 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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