CPC H02J 7/0047 (2013.01) [G01R 31/382 (2019.01); G06F 1/163 (2013.01); H01M 10/425 (2013.01); H02J 7/0048 (2020.01); H02J 50/10 (2016.02); H02J 50/80 (2016.02); H01M 2010/4278 (2013.01); H02J 7/00034 (2020.01); H02J 7/0049 (2020.01)] | 20 Claims |
1. A wearable electronic device, comprising:
a rechargeable battery;
charging means for wireless charging of the rechargeable battery when the wearable electronic device is connected to a charging unit; and
wireless communication means for communication with the charging unit, the wireless communication means comprising an optical sensor, wherein the wireless communication means is operable to:
detect information representing a battery status of the wearable electronic device; and
communicate, to the charging unit, the detected information representing the battery status by pulsing the optical sensor in accordance with a frequency associated with the battery status.
|