US 11,894,624 B2
Slotted patch antenna
Takeshi Sampo, Tomioka (JP)
Assigned to YOKOWO CO., LTD., Tokyo (JP)
Filed by YOKOWO CO., LTD., Tokyo (JP)
Filed on Oct. 27, 2021, as Appl. No. 17/511,585.
Application 17/511,585 is a continuation of application No. 16/491,776, granted, now 11,233,329, previously published as PCT/JP2018/008168, filed on Mar. 2, 2018.
Claims priority of application No. 2017-043786 (JP), filed on Mar. 8, 2017.
Prior Publication US 2022/0052456 A1, Feb. 17, 2022
Int. Cl. H01Q 9/04 (2006.01); H01Q 5/35 (2015.01); H01Q 1/28 (2006.01); H01Q 13/10 (2006.01)
CPC H01Q 9/0435 (2013.01) [H01Q 1/288 (2013.01); H01Q 5/35 (2015.01); H01Q 13/10 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A slotted patch antenna comprising: a dielectric substrate;
a radiation electrode which is provided on a major surface of the dielectric substrate; and
a ground conductor which is disposed on a surface that is opposite to the major surface, wherein
the radiation electrode is formed with a plurality of slots including a meandering portion, and is fed with power at a plurality of feeding points,
each of the slots includes one protrusion at the meandering portion,
each of the feeding points is positioned close to a tip end of the protrusion of each of the slots, and
a distance from each of the feeding points to the tip end of the protrusion of each of the slots is shorter than a length of the protrusion.