	US 11,996,702 B2
	Resonator control techniques for wireless power transmitting units
Hooman Shirani-Mehr, Portland, OR (US); and Ahmad Khoshnevis, Portland, OR (US)
Assigned to INTEL CORPORATION, Santa Clara, CA (US)
Appl. No. 15/760,138
Filed by Intel Corporation, Santa Clara, CA (US)
PCT Filed Jul. 1, 2016, PCT No. PCT/US2016/040811 § 371(c)(1), (2) Date Mar. 14, 2018, PCT Pub. No. WO2017/065851, PCT Pub. Date Apr. 20, 2017.
Claims priority of provisional application 62/241,591, filed on Oct. 14, 2015.
Prior Publication US 2018/0248407 A1, Aug. 30, 2018
Int. Cl. H02J 50/12 (2016.01); H02J 50/20 (2016.01); H02J 50/40 (2016.01)

CPC H02J 50/12 (2016.02) [H02J 50/20 (2016.02); H02J 50/40 (2016.02)]

23 Claims

1. An apparatus, comprising:

a memory; and

logic for a power transmitting unit (PTU), at least a portion of the logic implemented in circuitry coupled to the memory, the logic to:

determine a respective value of a dominant power receiving unit (PRU) selection parameter for each of a plurality of PRUs;

identify one of the plurality of PRUs as a dominant PRU of the PTU for simultaneous power transfer to the plurality of PRUs based on a dominant PRU selection parameter value associated with that one of the plurality of PRUs; and

transmit power to the plurality of PRUs simultaneously via control of a resonator coil current of a resonator coil of the PTU to minimize a difference between a direct current (DC) voltage at an output of a rectifier of the dominant PRU and a preferred rectifier output voltage of the dominant PRU.