US 12,470,251 B2
Mobile devices, mobile systems and operating methods thereof
Sungwoo Lee, Hwaseong-si (KR); Hyoungseok Oh, Seoul (KR); Minkyu Kwon, Hwaseong-si (KR); and Sungkyu Cho, Hwaseong-si (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Nov. 8, 2023, as Appl. No. 18/504,820.
Application 18/504,820 is a continuation of application No. 17/739,342, filed on May 9, 2022, granted, now 11,848,690.
Application 17/739,342 is a continuation of application No. 17/001,988, filed on Aug. 25, 2020, granted, now 11,329,694, issued on May 10, 2022.
Claims priority of application No. 10-2019-0175501 (KR), filed on Dec. 26, 2019.
Prior Publication US 2024/0072845 A1, Feb. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 3/56 (2006.01); H04B 3/02 (2006.01)
CPC H04B 3/56 (2013.01) [H04B 3/02 (2013.01); H04B 2203/5425 (2013.01); H04B 2203/5483 (2013.01); H04B 2203/5491 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A first mobile device comprising:
a connection terminal configured to electrically connect to a second mobile device; and
a power line communication (PLC) modem configured to receive power from the second mobile device or communicate data with the second mobile device based on a PLC mode between the first mobile device and the second mobile device,
wherein
the PLC mode is changeable between a high-speed PLC mode and a low-speed PLC mode in response to a host request received from the second mobile device,
the PLC modem is further configured to communicate the data with the second mobile device in the high-speed PLC mode, and
the PLC modem is further configured to receive the power from the second mobile device in the low-speed PLC mode, or receive the power from the second mobile device and communicate the data with the second mobile device in the low-speed PLC mode, and
wherein
the PLC mode is changed from the low-speed PLC mode to the high-speed PLC mode in response to sending a client response with respect to the host request to the second mobile device, and
the PLC mode is changed from the high-speed PLC mode to the low-speed PLC mode based on completion of a data reception from the second mobile device.