Title:
ANTENNA DEVICE AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/208682
Kind Code:
A1
Abstract:
An antenna device (1) is configured so as to be provided with: a conductive bottom board (11); an antenna (13) disposed, out of two surfaces (11a), (11b) of the bottom board (11), on the side of the surface (11a) on which radio waves are incident; and a dielectric permittivity variable unit (14) which is disposed between the bottom board (11) and the antenna (13) and in which the dielectric permittivity is varied in accordance with an incoming direction of the incident radio waves.
Inventors:
TANAKA TAI (JP)
TAKIKAWA MICHIO (JP)
SUZUKI KENTA (JP)
TAKIKAWA MICHIO (JP)
SUZUKI KENTA (JP)
Application Number:
PCT/JP2019/015322
Publication Date:
October 15, 2020
Filing Date:
April 08, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01Q1/38; H01Q17/00
Foreign References:
| JP2016139913A | 2016-08-04 | |||
| JP2016032164A | 2016-03-07 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
Download PDF: