US 12,237,691 B2
Aggregated wireless power transfer with multiple coils and communication channels
Jayanti Ganesh, Bangalore (IN); and Viswanathan Kanakasabai, Bangalore (IN)
Assigned to Dolby Laboratories Inc., San Francisco, CA (US)
Appl. No. 17/755,978
Filed by GE Hybrid Technologies, LLC, Niskayuna, NY (US)
PCT Filed Nov. 20, 2020, PCT No. PCT/US2020/061581
§ 371(c)(1), (2) Date May 13, 2022,
PCT Pub. No. WO2021/102310, PCT Pub. Date May 27, 2021.
Claims priority of application No. 201911047528 (IN), filed on Nov. 21, 2019.
Prior Publication US 2022/0416581 A1, Dec. 29, 2022
Int. Cl. H02J 50/10 (2016.01); H02J 50/40 (2016.01); H02J 50/60 (2016.01); H02J 50/80 (2016.01)
CPC H02J 50/10 (2016.02) [H02J 50/40 (2016.02); H02J 50/60 (2016.02); H02J 50/80 (2016.02)] 31 Claims
OG exemplary drawing
 
1. A wireless power transmission apparatus, comprising:
a plurality of primary coils for transmission of wireless power to different secondary coils of a wireless power reception apparatus, the plurality of primary coils including at least a first primary coil and a second primary coil;
a power signal generator electrically connected to the plurality of primary coils and configured to selectively provide power to the plurality of primary coils;
at least one transmission (TX) controller coupled with the power signal generator and the plurality of primary coils, wherein the at least one TX controller is configured to control an amount of power provided by the power signal generator to the plurality of primary coils; and
a plurality of communication units communicatively coupled with the at least one TX controller and configured to communicate with the wireless power reception apparatus, wherein each of the plurality of communication units correspond to a different one of the plurality of primary coils, and wherein a first communication unit of the plurality of communication units enables communication via at least a first communication channel at the first primary coil and a second communication unit of the plurality of communication units enables communication via a second communication channel at the second primary coil.