US 9,812,784 B2
Planar horn array antenna
Chan Goo Park, Daejeon (KR); and Jun Hee Lee, Chungcheongbuk-do (KR)
Assigned to WIWORLD CO., LTD, Daejeon (KR)
Appl. No. 14/767,562
Filed by WIWORLD CO., LTD, Daejeon (KR)
PCT Filed Feb. 18, 2014, PCT No. PCT/KR2014/001297
§ 371(c)(1), (2) Date Aug. 12, 2015,
PCT Pub. No. WO2014/129782, PCT Pub. Date Aug. 28, 2014.
Claims priority of application No. 10-2013-0018327 (KR), filed on Feb. 20, 2013.
Prior Publication US 2016/0020519 A1, Jan. 21, 2016
Int. Cl. H01Q 13/02 (2006.01); H01Q 15/24 (2006.01); H01Q 19/08 (2006.01); H01Q 21/00 (2006.01)
CPC H01Q 13/02 (2013.01) [H01Q 15/24 (2013.01); H01Q 19/08 (2013.01); H01Q 21/0037 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A planar horn array antenna, comprising:
a waveguide part;
a horn part having one side connected to the waveguide part and the other side formed with an opening for guiding a radio wave incident or emitted thereto; and
a radio wave guide part having a dividing member coupled with the opening, the dividing member comprising circular dividing holes arranged in a matrix of n×n, the radio wave guide part further having a cover member coupled between the opening and the dividing member to cover the opening,
wherein in the cover member, when a wavelength of a radio wave incident or emitted to the dividing holes is λ, a thickness of the cover member between the opening and the dividing member is formed to be equal to or less than λ/2.