US 12,407,108 B2
Multi-band patch antenna
Chul Hwang, Incheon (KR)
Assigned to AMOTECH CO., LTD., Incheon (KR)
Appl. No. 18/283,783
Filed by AMOTECH CO., LTD., Incheon (KR)
PCT Filed Mar. 17, 2022, PCT No. PCT/KR2022/003740
§ 371(c)(1), (2) Date Sep. 22, 2023,
PCT Pub. No. WO2022/203280, PCT Pub. Date Sep. 29, 2022.
Claims priority of application No. 10-2021-0036391 (KR), filed on Mar. 22, 2021.
Prior Publication US 2024/0186706 A1, Jun. 6, 2024
Int. Cl. H01Q 9/04 (2006.01); H01Q 1/38 (2006.01); H01Q 1/48 (2006.01); H01Q 5/25 (2015.01)
CPC H01Q 9/0457 (2013.01) [H01Q 5/25 (2015.01)] 10 Claims
OG exemplary drawing
 
1. A multi-band patch antenna comprising:
a base substrate having an upper surface, a lower surface, and a plurality of lateral surfaces;
an upper patch arranged on the upper surface of the base substrate;
a lower patch arranged on the lower surface of the base substrate;
a feeding patch arranged on the upper surface of the base substrate and a first lateral surface thereof, and spaced apart from the upper patch on the upper surface of the base substrate; and
a first radiation patch arranged on the upper surface of the base substrate and a second lateral surface thereof, and spaced apart from the upper patch and the feeding patch on the upper surface of the base substrate, and
wherein an accommodation groove is formed in the upper patch to accommodate a portion of the feeding patch arranged on the upper surface of the base substrate, and another accommodation groove is formed in the upper patch to accommodate a portion of the first radiation patch arranged on the upper surface of the base substrate.