Title:
ANTENNA
Document Type and Number:
WIPO Patent Application WO/2021/172238
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an antenna that improves radio communication between a plurality of communication devices disposed in different locations. This antenna includes: an antenna body; a case which is formed from metal, has side surfaces disposed on the bottom surface and on the periphery of the bottom surface, and supports the antenna body by the bottom surface; and a ceiling part which is formed from a conductive material, is disposed facing the bottom surface of the case, and contacts the side surfaces. The distance between the ceiling part and the antenna body is shorter than half the wavelength of a predetermined frequency, which is a frequency to be used.
Inventors:
YOSHIKAWA HIROMICHI (JP)
ISHIKAWA SATOSHI (JP)
ISHIKAWA SATOSHI (JP)
Application Number:
PCT/JP2021/006506
Publication Date:
September 02, 2021
Filing Date:
February 19, 2021
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H01Q1/36; H01Q1/42; H01Q5/35; H01Q13/08; H01Q21/24
Foreign References:
| JP2001127523A | 2001-05-11 | |||
| JP2017220790A | 2017-12-14 | |||
| JP2019140658A | 2019-08-22 | |||
| JPS5859605A | 1983-04-08 | |||
| JP2011216939A | 2011-10-27 |
Other References:
See also references of EP 4113740A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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