Title:
ANTENNA DEVICE AND WIRELESS TERMINAL
Document Type and Number:
WIPO Patent Application WO/2022/259308
Kind Code:
A1
Abstract:
Provided are an antenna device having higher radiation efficiency, and a wireless terminal provided with said antenna device. This antenna device is provided with an antenna that operates at a first frequency and a second frequency that is higher than the first frequency, a first conductor plate having a feeding point for supplying electric power to the antenna, a second conductor plate, a connection part that electrically connects the first conductor plate and the second conductor plate, and a circuit element provided between the first conductor plate and the second conductor plate. A first distance from a proximate location of the first conductor that is closest to the antenna to a first distant location of the first conductor plate that is farthest from the antenna is set to be less than a second distance from the proximate location to a second distant location of the second conductor plate that is farthest from the antenna, and the circuit element electrically connects the first conductor plate and the second conductor plate at the first frequency, and electrically disconnects the first conductor plate and the second conductor plate at the second frequency.
Inventors:
KOGA YOHEI (JP)
YOSHIKAWA MANABU (JP)
TONOOKA TABITO (JP)
SAKURAI MINORU (JP)
SAKITA SATOSHI (JP)
SHINOJIMA TAKAHIRO (JP)
YOSHIKAWA MANABU (JP)
TONOOKA TABITO (JP)
SAKURAI MINORU (JP)
SAKITA SATOSHI (JP)
SHINOJIMA TAKAHIRO (JP)
Application Number:
PCT/JP2021/021560
Publication Date:
December 15, 2022
Filing Date:
June 07, 2021
Export Citation:
Assignee:
FCNT LTD (JP)
International Classes:
H01Q1/24; H01Q5/371; H01Q9/28
Domestic Patent References:
| WO2006092979A1 | 2006-09-08 |
Foreign References:
| JP2008523655A | 2008-07-03 | |||
| JP2000332530A | 2000-11-30 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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