US Patent No. 10,050,350

DIFFERENTIAL PLANAR APERTURE ANTENNA


Patent No. 10,050,350
Issue Date August 14, 2018
Title Differential Planar Aperture Antenna
Inventorship Quan Xue, New Territories (HK)
Shaowei Liao, New Territories (HK)
Peng Wu, Kowloon (HK)
Assignee CITY UNIVERSITY OF HONG KONG, Kowloon (HK)

Claim of US Patent No. 10,050,350

1. A differential aperture antenna, comprising:an H-shaped cavity formed on a ground surface between a pair of grounded coplanar waveguides, and a surface metal strip, wherein the H-shaped cavity comprises lobes, wherein the lobes are substantially symmetric across an axis between a first port and a second port; and
a cross shaped patch within the H-shaped cavity and above the ground surface comprising a pair of first arms that extends into the lobes, respectively, and a pair of second arms that extend towards and connect to the first port and the second port, respectively, wherein the cross shaped patch is symmetric across the first axis and across a second axis between respective ends of the lobes, and wherein the first arms are longer than the second arms.