Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/180627
Kind Code:
A1
Abstract:
Provided is an antenna device having a plurality of antennas in a common case, and capable of being miniaturized while suppressing the deterioration of antenna gain. An antenna device 1 is provided with: an AM/FM capacitive loading element 3 and an AM/FM helical element 5 as a first antenna; and a Band III capacitive loading element 8 and a Band III helical element 10 as a second antenna. The Band III capacitive loading element 8 is positioned in front of the AM/FM capacitive loading element 3. The ranges in which the Band III capacitive loading element 8 and the AM/FM capacitive loading element 3 are present in the front-rear direction do not overlap.
Inventors:
TERASHITA NORITAKA (JP)
YOKOTA YUSUKE (JP)
YOKOTA YUSUKE (JP)
Application Number:
PCT/JP2018/010550
Publication Date:
October 04, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
H01Q21/28; H01Q9/36; H01Q11/08; H01Q1/22; H01Q1/52
Foreign References:
| JP2016208383A | 2016-12-08 | |||
| US20120188143A1 | 2012-07-26 | |||
| JP2015115742A | 2015-06-22 |
Attorney, Agent or Firm:
MURAI, Takashi et al. (JP)
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