| 摘要 |
PURPOSE: A near field communication (NFC) device is provided to communicate with a portable device by using an NFC antenna. CONSTITUTION: A printed circuit includes an NFC antenna (20). The printed circuit includes a microcontroller and a detection module. The NFC antenna is connected to a near field reader (60). A plurality of resonators (40a, 40b, 40c, 40d) is formed with copper wire windings. The resonators are connected to the detection module. |
