US 12,170,446 B2
Power control method and device in wireless power transmission system
Chun Kil Jung, Seoul (KR); and Soon Sang Kwon, Siheung-si (KR)
Assigned to GE Hybrid Technologies, LLC, Niskayuna, NY (US)
Filed by GE Hybrid Technologies, LLC, Niskayuna, NY (US)
Filed on Aug. 7, 2023, as Appl. No. 18/366,162.
Application 18/366,162 is a continuation of application No. 17/150,052, filed on Jan. 15, 2021, granted, now 11,722,006.
Application 17/150,052 is a continuation of application No. 16/905,622, filed on Jun. 18, 2020, granted, now 10,938,240, issued on Mar. 2, 2021.
Application 16/905,622 is a continuation of application No. 16/710,234, filed on Dec. 11, 2019, granted, now 10,727,696, issued on Jul. 28, 2020.
Application 16/710,234 is a continuation of application No. 16/266,903, filed on Feb. 4, 2019, granted, now 10,541,560, issued on Jan. 21, 2020.
Application 16/266,903 is a continuation of application No. 15/844,624, filed on Dec. 18, 2017, granted, now 10,236,719, issued on Mar. 19, 2019.
Application 15/844,624 is a continuation of application No. 15/036,689, granted, now 9,871,400, issued on Jan. 16, 2018, previously published as PCT/KR2014/010952, filed on Nov. 14, 2014.
Claims priority of application No. 10-2013-0139258 (KR), filed on Nov. 15, 2013.
Prior Publication US 2023/0378810 A1, Nov. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 50/10 (2016.01); H02J 7/00 (2006.01); H02J 50/12 (2016.01); H02J 50/40 (2016.01); H02J 50/80 (2016.01)
CPC H02J 50/10 (2016.02) [H02J 7/00036 (2020.01); H02J 7/00047 (2020.01); H02J 7/0071 (2020.01); H02J 50/12 (2016.02); H02J 50/402 (2020.01); H02J 50/80 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A wireless power reception device comprising:
at least one secondary coil configured to receive wireless power from a wireless power transmission device;
a control unit configured to generate power control information for controlling an amount of wireless power from the wireless power transmission device; and
a communication unit configured to:
receive, from the wireless power transmission device, a data packet message including a request for information from the wireless power reception device;
communicate the information to the wireless power transmission device in response to the request, and
communicate the power control information to the wireless power transmission device during a power transfer phase.