Patent 10441878 was granted and assigned to Nintendo on October, 2019 by the United States Patent and Trademark Office.
An example of a game controller includes within a housing a first substrate on a front surface and a second substrate on a back surface. On a front surface of the first substrate, switches for various operation buttons are provided, and on a back surface of the first substrate, an NFC antenna is provided. Further, on a second substrate, a control circuit for controlling contactless communication performed using the NFC antenna, a control circuit for controlling operation data indicating whether or not the operation buttons are pressed, and the like are placed.