US 11,811,149 B2
Multi-band antenna
Ming-Ju Lin, New Taipei (TW); Chih-Chung Wang, New Taipei (TW); Lan-Yung Hsiao, New Taipei (TW); and Shao-Kai Sun, 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 Apr. 20, 2022, as Appl. No. 17/725,382.
Claims priority of application No. 202121081400.1 (CN), filed on May 20, 2021.
Prior Publication US 2022/0376393 A1, Nov. 24, 2022
Int. Cl. H01Q 5/371 (2015.01); H01Q 9/04 (2006.01)
CPC H01Q 5/371 (2015.01) [H01Q 9/045 (2013.01); H01Q 9/0421 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multi-band antenna, comprising:
a lower grounding portion;
a feed-in portion having a first end edge, a second end edge opposite to the first end edge, a first side edge, and a second side edge opposite to the first side edge, the first side edge being adjacent to the lower grounding portion, the first side edge being spaced from the lower grounding portion;
a feeding point disposed to the feed-in portion, the feeding point being adjacent to the first side edge;
an upper grounding portion extended frontward from the first end edge of the feed-in portion, the upper grounding portion being electrically connected between the feed-in portion and the lower grounding portion;
a first extending portion extended rearward from the second end edge of the feed-in portion;
a second extending portion extended upward from a distal end of the first extending portion;
a third extending portion extended frontward from a distal end of the second extending portion;
a fourth extending portion extended upward from a distal end of the third extending portion;
a fifth extending portion extended frontward from the distal end of the third extending portion;
a first branch extended frontward from a front of the fourth extending portion, a rear of the first branch being located above the fifth extending portion;
a second branch extended frontward from an upper portion of a distal end of the fifth extending portion, the first branch and the second branch being extended from one end of the feed-in portion, the first branch and the second branch being located at the same end of the feed-in portion;
a third branch extended upward from the distal end of the second extending portion, the third branch being located at the other end of the feed-in portion; and
a loop portion extended from a lower portion of the distal end of the fifth extending portion, a lower end of the loop portion being connected with the first end edge of the feed-in portion, an upper end of the loop portion being connected with the fifth extending portion, the loop portion being positioned under the fifth extending portion, the first branch, the second branch and the third branch being positioned at the same side of the feed-in portion, the loop portion, the first branch and the second branch being located at the same end of the feed-in portion.