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Patent Searching and Data


Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/101104
Kind Code:
A1
Abstract:
The antenna device according to the present invention that can be designed easily comprises a flat antenna of which communication characteristics do not change significantly even when there exist metallic objects or the like in the surroundings, the flat antenna being provided with an antenna-side signal line conductor, an antenna-side first ground conductor, a matching circuit, and an antenna-side connector part which are provided in an antenna-side insulator, the antenna device further comprising a signal transmission cable that is provided with a radiation region setting part in the vicinity of a cable-side connector part, and the antenna device being configured such that, by connecting the antenna-side connector part and the cable-side connector part to each other, substantially the entire surface of the flat antenna serves as a radiation unit that radiates electromagnetic waves.

Inventors:
KATO, Noboru (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
OZAWA, Masahiro (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2017/041679
Publication Date:
June 07, 2018
Filing Date:
November 20, 2017
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H01Q11/12; G06K7/10; H01Q1/24; H01Q1/38; H01Q1/50; H04B5/02
Domestic Patent References:
WO2004068737A12004-08-12
WO2011142231A12011-11-17
Foreign References:
JP2014143593A2014-08-07
JP2014179671A2014-09-25
JP2002228698A2002-08-14
JP2004311334A2004-11-04
US5825334A1998-10-20
JP2011182380A2011-09-15
US20080284654A12008-11-20
JP2007306438A2007-11-22
US2039988A1936-05-05
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (AOYAMA & PARTNERS, Umeda Hankyu Bldg. Office Tower 8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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