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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 (111dong 1501ho, 270 Sinbanpo-ro,Seocho-gu, Seoul, 06544, KR)
SEONG, Won Mo (204dong 601ho, 68 Gwanpyeong-ro,Dongan-gu, Anyang-si, Gyeonggi-do, 14101, KR)
KIM, Gi Ho (915dong 402ho, 364 Haan-ro,Gwangmyeong-si, Gyeonggi-do, 14246, KR)
KIM, Ui Sheon (709-1902, 33 Sanboncheonro,Gunpo-si, Gyeonggi-do, 15825, KR)
JEONG, Hyun Seob (101ho 17-3, Seongdae-ro 11ga-gilDongjak-gu, Seoul, 06960, KR)
CHOI, Se Ah (602ho, 94 Gasan-ro,Geumcheon-gu, Seoul, 08533, KR)
Application Number:
KR2019/005629
Publication Date:
November 14, 2019
Filing Date:
May 10, 2019
Export Citation:
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Assignee:
EMW CO., LTD. (155 Namdongseo-ro, Namdong-gu, Incheon, 21695, 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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