Title:
ANTENNA DEVICE AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/176637
Kind Code:
A1
Abstract:
Provided are: an antenna device having a smaller number of frequency adjustment elements as compared to the number of antennas; and a communication apparatus using the antenna device. The antenna device (100) according to the present disclosure comprises: a first radiation element (11); a second radiation element (21); a frequency adjustment element (23); a first power feeder circuit (12); and a second power feeder circuit (22). The second radiation element (21) is disposed at a position that allows electric field coupling and/or magnetic field coupling with the first radiation element (11). The frequency adjustment element (23) is connected to the first radiation element (11) or a second radiation element (21, 21A). The first power feeder circuit (12) supplies a high-frequency signal to the first radiation element (11). The second power feeder circuit (22) supplies a high-frequency signal to the second radiation element (21, 21A).
Inventors:
TANABE TOUMU (JP)
Application Number:
PCT/JP2023/008831
Publication Date:
September 21, 2023
Filing Date:
March 08, 2023
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01Q5/314; H01Q1/50; H01Q7/00; H01Q9/30; H01Q13/08
Domestic Patent References:
| WO2013008356A1 | 2013-01-17 | |||
| WO2020090184A1 | 2020-05-07 |
Foreign References:
| JP2012100221A | 2012-05-24 | |||
| JP2014075773A | 2014-04-24 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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