US 12,302,053 B2
Mobile device, electronic device and electronic system for power line communication
Sang Un Bang, Seongnam-si (KR); Yong Hwan Kim, Suwon-si (KR); and Arom Lee, Seoul (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 2, 2023, as Appl. No. 18/479,730.
Application 18/479,730 is a continuation of application No. 17/584,888, filed on Jan. 26, 2022, granted, now 11,818,531.
Claims priority of application No. 10-2021-0037771 (KR), filed on Mar. 24, 2021; and application No. 10-2021-0094596 (KR), filed on Jul. 20, 2021.
Prior Publication US 2024/0031717 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 1/10 (2006.01)
CPC H04R 1/1025 (2013.01) 20 Claims
OG exemplary drawing
 
1. An electronic system comprising:
an ear bud including a first battery;
a cradle directly connected with the ear bud through a power line, the cradle including a second battery; and
a charging pad adjacent to the cradle,
wherein the cradle is configured to,
provide an amplitude shift keying (ASK) signal to the charging pad for a first time period, the ASK signal being generated using a voltage of the second battery, and
provide a pogo voltage to the ear bud through the power line for a second time period, the pogo voltage including a data signal generated using the voltage of the second battery, and the first time period not overlapping the second time period.