Method for wireless charging power control

N Khlat - US Patent 10,559,970, 2020 - Google Patents
(57) ABSTRACT A method for wireless charging power control is disclosed. In a wireless
charging system, a wireless radio frequency (RF) charging signal transmitted by a wireless …

Shared antenna structures for near-field communications and non-near-field communications circuitry

Y Ouyang, RW Schlub, N **, M Pascolini - US Patent 9,793,616, 2017 - Google Patents
Electronic devices may be provided that contain wireless communications circuitry. The
wireless communications circuitry may include radio-frequency transceiver circuitry and …

Card reader

AP Nguyen - US Patent App. 29/575,535, 2017 - Google Patents
D766, 901 S* 9/2016 Nguyen............... D14/385 9, 438, 300 B1 9/2016 Oliaei D774, 510 S*
12/2016 Rotsaert... D14/385 D776, 658 S* 1/2017 Zhu............. D14/385 D780, 731 S* 3/2017 …

Electronic device with millimeter wave antenna arrays

MA Mow, BH Noori, M Pascolini, X Han… - US Patent …, 2019 - Google Patents
An electronic device may be provided with wireless cir cuitry. The wireless circuitry may
include one or more antennas. The antennas may include millimeter wave antenna arrays …

Point of sale (POS) device responsive to detected interference with antenna

MH Maibach, MC Lamfalusi, C Douthat… - US Patent …, 2019 - Google Patents
2010/0308976 AL 12/2010 Seban et al. 2011/0070834 Al 3/2011 Griffin et al. 2012/0126011
A1 5/2012 Lamba et al. 2013/0035051 A1 2/2013 Mujtaba et al. 2013/0040560 A1 2/2013 …

Electromagnetic coupler arrangements for multi-frequency power detection, and devices including same

N Srirattana, DR Story - US Patent 10,403,955, 2019 - Google Patents
A coupling methodology and circuit arrangements to provide multi-frequency simultaneous
power measurement. In one example, a wireless device front-end apparatus includes a …

Electronic device with shared antenna structures and balun

Y Ouyang, DF Darnell, EA Vazquez, EJ Tong… - US Patent …, 2016 - Google Patents
An electronic device may be provided with shared antenna structures that can be used to
form both a near-field-commu nications antenna such as a loop antenna and a non-near …

Wireless charging circuit

N Khlat - US Patent 10,566,843, 2020 - Google Patents
A wireless charging circuit is disclosed. In this regard, a wireless charging circuit is
configured to charge a battery by harvesting radio frequency (RF) power from a wireless RF …

NFC base station and passive transmitter device

J Wade, MH Maibach - US Patent 10,318,952, 2019 - Google Patents
A payment device for a point-of-sale system that is configured to operate in a reader mode
and in a transmitter mode. When in a first (reader) mode of operation as a seller device, the …

Electronic device antennas having split return paths

Y Zhou, Y Wang, JM Edwards, H Xu… - US Patent …, 2020 - Google Patents
An electronic device may be provided with wireless circuitry and control circuitry. The
wireless circuitry may include multiple antennas and transceiver circuitry. An antenna in the …