US 11,901,624 B1
Wideband high-gain omnidirectional biconical antenna for millimeter-wave applications
Kwok Wa Leung, Kowloon Tong (HK); Zhiyi Zhang, Kowloon Tong (HK); and Kai Lu, Guangzhou (CN)
Assigned to City University of Hong Kong, Kowloon (HK)
Filed by City University of Hong Kong, Kowloon (HK)
Filed on Oct. 6, 2022, as Appl. No. 17/938,429.
Int. Cl. H01Q 13/04 (2006.01)
CPC H01Q 13/04 (2013.01) 11 Claims
OG exemplary drawing
 
1. An omnidirectional biconical antenna, comprising:
a) a first funnel-shaped plate having a wide end and a narrow end;
b) a second funnel-shaped plate having a wide end and a narrow end; the second funnel-shaped plate inversely positioned relative to the first funnel-shaped plate, such that the narrow ends of the second funnel-shaped plate and the first funnel-shaped plate point to each other; and
c) an annular metal lens delimited by the second funnel-shaped plate and the first funnel-shaped plate.