US 12,130,980 B2
Input device with near-field communication
Wei Ding, Shanghai (CN)
Assigned to Synaptics Incorporated, San Jose, CA (US)
Filed by SYNAPTICS INCORPORATED, San Jose, CA (US)
Filed on May 12, 2023, as Appl. No. 18/197,027.
Application 18/197,027 is a division of application No. 17/483,781, filed on Sep. 23, 2021, granted, now 11,687,188.
Prior Publication US 2023/0280860 A1, Sep. 7, 2023
Int. Cl. G06F 3/01 (2006.01); G06F 3/0354 (2013.01); G06F 3/041 (2006.01); G06F 3/04883 (2022.01); H04B 5/73 (2024.01)
CPC G06F 3/04164 (2019.05) [G06F 3/03547 (2013.01); G06F 3/04883 (2013.01); H04B 5/73 (2024.01)] 18 Claims
OG exemplary drawing
 
1. An input device, comprising:
a printed circuit board (PCB);
a touchpad having sensor electrodes disposed on a top layer of the PCB;
a near field communication (NFC) controller mounted on a bottom layer of the PCB; and
an antenna electrically interfaced with the NFC controller, the antenna comprising an antenna rod, wherein the antenna rod is straight and disposed on the top layer of the PCB outside a perimeter of the touchpad.