US 12,444,856 B2
Microstrip antenna and radar device for vehicle including the same
Hyunseok Lee, Yongin-si (KR); and Sungjoon Heo, Seongnam-si (KR)
Assigned to HL KLEMOVE CORP., Incheon (KR)
Filed by HL Klemove Corp., Incheon (KR)
Filed on Mar. 28, 2023, as Appl. No. 18/127,057.
Claims priority of application No. 10-2022-0038085 (KR), filed on Mar. 28, 2022.
Prior Publication US 2023/0307845 A1, Sep. 28, 2023
Int. Cl. H01Q 19/00 (2006.01); H01Q 13/08 (2006.01)
CPC H01Q 19/005 (2013.01) [H01Q 13/08 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A microstrip patch antenna comprising:
a power supply element supplied with current from a current source;
a power supply line connected to the power supply element;
a plurality of radiating elements connected to one side or both sides of the power supply line and arranged in the longitudinal direction of the power supply line; and
a parasitic patch spaced apart from the radiating element and disposed around the radiating element,
wherein at least one via hole is formed in the parasitic patch, and
wherein a beam width is adjusted according to a number, location, length, and width of the via hole.