US 12,015,199 B2
Antenna structure
Ming-Ju Lin, New Taipei (TW); Chih-Chung Wang, New Taipei (TW); Shao-Kai Sun, New Taipei (TW); and Lan-Yung Hsiao, New Taipei (TW)
Assigned to CHENG UEI PRECISION INDUSTRY CO., LTD., New Taipei (TW)
Filed by Cheng Uei Precision Industry Co., LTD., New Taipei (TW)
Filed on Oct. 18, 2022, as Appl. No. 17/967,891.
Claims priority of application No. 202220022704.9 (CN), filed on Jan. 6, 2022.
Prior Publication US 2023/0216183 A1, Jul. 6, 2023
Int. Cl. H01Q 1/38 (2006.01); H01Q 1/48 (2006.01); H01Q 1/50 (2006.01)
CPC H01Q 1/38 (2013.01) [H01Q 1/48 (2013.01); H01Q 1/50 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An antenna structure, comprising:
a substrate;
a radiator mounted at one end of a front surface of the substrate, the radiator having a first radiating portion, two portions of a middle of one end edge of the first radiating portion extending horizontally to form a second radiating portion and a feeding portion, the feeding portion being located above the second radiating portion, a free end of the feeding portion being a feeding end, an upper portion of the other end edge of the first radiating portion extending opposite to the one end edge of the first radiating portion and extending along a rectangular spiral path to form a rectangular spiral third radiating portion; and
a grounding element mounted at the other end of the front surface of the substrate, the grounding element having a first grounding portion, a second grounding portion and a connecting portion, the connecting portion having a connecting edge facing towards the one end edge of the first radiating portion and extending along a vertical direction, the connecting edge being spaced from the one end edge of the first radiating portion, an upper portion and a lower portion of the connecting edge extending horizontally and towards the one end edge of the first radiating portion to form the first grounding portion and the second grounding portion, the first grounding portion being located above the feeding portion, and the second grounding portion being located below the feeding portion.