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Title:
ANTENNA DEVICE
Document Type and Number:
Japanese Patent JP2018007032
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To change the directivity of an antenna without increasing the number of switches according to the number of antennas.SOLUTION: The antenna device includes: a conductor ground plate; a first antenna part; a switch connected between the conductor ground plate and the first antenna part; and a plurality of second antenna parts arranged at such positions as to permit capacity coupling to the first antenna part.SELECTED DRAWING: Figure 1

Inventors:
HIGAKI MAKOTO
KISHIMOTO SEIYA
SANO MAKOTO
Application Number:
JP2016131786A
Publication Date:
January 11, 2018
Filing Date:
July 01, 2016
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
H01Q3/44
Domestic Patent References:
JP2011120071A2011-06-16
JP2007104520A2007-04-19
JP2014068233A2014-04-17
JP2013223125A2013-10-28
JP2015050669A2015-03-16
JP2008072704A2008-03-27
JP2008312263A2008-12-25
Foreign References:
US20150214612A12015-07-30
WO2014045966A12014-03-27
WO2011108228A12011-09-09
WO2010004739A12010-01-14
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Takeshi Sekine
Suzuki Junsei



 
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