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Patent Searching and Data


Title:
QUADRIFILAR ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/216692
Kind Code:
A1
Abstract:
An S-band quadrifilar antenna device having a stop band is disclosed. A quadrifilar antenna device according to an embodiment comprises: a quadrifilar antenna; and a feeding circuit for generating feeding signals from an input signal by using a coupler and a distributor, and outputting the feeding signals to the quadrifilar antenna, wherein the feeding circuit includes a filter disposed on at least one of a plurality of signal paths through which the input signal is transferred to the coupler and the distributor.

Inventors:
RYOU BYOUNG HOON (KR)
SEONG WON MO (KR)
KIM GI HO (KR)
KIM UI SHEON (KR)
JEONG HYUN SEOB (KR)
CHOI SE AH (KR)
Application Number:
PCT/KR2019/005629
Publication Date:
November 14, 2019
Filing Date:
May 10, 2019
Export Citation:
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Assignee:
EMW CO LTD (KR)
International Classes:
H01Q1/38; H01Q11/08
Foreign References:
KR101700560B12017-01-26
KR20160045650A2016-04-27
KR20100035575A2010-04-05
KR20060059162A2006-06-01
JPH05315834A1993-11-26
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