US 11,888,549 B2
Antenna system
Ting-Han Shih, Hsinchu (TW); and Ching-Wen Chen, Hsinchu (TW)
Assigned to WISTRON NEWEB CORP., Hsinchu (TW)
Filed by Wistron NeWeb Corp., Hsinchu (TW)
Filed on Jan. 11, 2022, as Appl. No. 17/573,209.
Claims priority of application No. 110116552 (TW), filed on May 7, 2021.
Prior Publication US 2022/0360298 A1, Nov. 10, 2022
Int. Cl. H04B 5/00 (2006.01); H01Q 1/24 (2006.01)
CPC H04B 5/0081 (2013.01) [H01Q 1/243 (2013.01); H04B 5/0031 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An antenna system, comprising:
an NFC (Near Field Communication) antenna, comprising a metal coil and a first dielectric substrate, wherein the metal coil is disposed on the first dielectric substrate;
a coupling metal element, disposed adjacent to the metal coil, wherein the coupling metal element does not directly touch the metal coil; and
a second dielectric substrate, wherein the coupling metal element is disposed on the second dielectric substrate;
wherein the coupling metal element is configured to adjust an operational frequency of the NFC antenna.