US 11,894,622 B2
Antenna structure with double-slotted loop and associated methods
Tuomas Hänninen, Helsinki (FI); Pasi Rahikkala, Vihti (FI); and Attila Zolomy, Budapest (HU)
Assigned to Silicon Laboratories Inc., Austin, TX (US)
Filed by Silicon Laboratories Inc., Austin, TX (US)
Filed on Sep. 30, 2021, as Appl. No. 17/491,195.
Application 17/491,195 is a continuation in part of application No. 16/237,511, filed on Dec. 31, 2018.
Application 16/237,511 is a continuation in part of application No. 16/724,160, filed on Dec. 20, 2019, granted, now 11,764,749.
Application 16/724,160 is a continuation in part of application No. 16/237,583, filed on Dec. 31, 2018, granted, now 11,769,949.
Application 16/237,583 is a continuation in part of application No. 15/250,719, filed on Aug. 29, 2016, granted, now 10,374,300, issued on Aug. 6, 2019.
Prior Publication US 2022/0131271 A1, Apr. 28, 2022
Int. Cl. H01Q 7/00 (2006.01); H03H 7/38 (2006.01); H01Q 1/38 (2006.01)
CPC H01Q 7/00 (2013.01) [H01Q 1/38 (2013.01); H03H 7/38 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a module comprising an antenna structure, the antenna structure comprising:
a printed monopole antenna;
first and second inductive-capacitive (LC) resonant networks coupled to the printed monopole antenna; and
a double slotted loop coupled to the first and second LC resonant networks.