US 11,451,074 B2 · Wireless charging method and apparatus thereof

Abstract

An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.

Claims21

Dependent claims

An electronic device comprising:

a housing including an upper cover and a lower cover;
a bracket disposed between the upper cover and the lower cover;
a wireless charging coil positioned between the bracket and the upper cover;
a heat radiation member disposed between the wireless charging coil and the bracket;
an air circulation member disposed under the bracket;
a printed board assembly (PBA) disposed under the air circulation member;
and
a shield member disposed between the wireless charging coil and the heat radiation member,
wherein the PBA includes a control circuit electronically connected to the wireless charging coil and the air circulation member, and
wherein the control circuit is configured to control the air circulation member to generate air flow.

7 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/880,260Filed 21 May 2020 · continuation

Priority

KR 10-2015-011496413 Aug 2015

Published

US 2020/0280212 A13 Sep 2020

Granted

20 Sep 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

H02J 50/80
Circuit arrangements or systems for wireless supply or distribution of electric power: involving the exchange of data, concerning supply or…
H02J 7/60
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: including safety or protection arrangements
H02J 7/65
Including safety or protection arrangements: against overtemperature
H02J 7/70
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: characterised by the mechanical construction

Family

Application15/202,171Parent of this continuation · filed 5 Jul 2016

Application16/371,690Parent of this continuation · filed 1 Apr 2019

US 10,270,276 B2Parent of this continuation · filed 23 Apr 2019

US 2020/0280212 A1Pre-grant publication · published 3 Sep 2020

US 10,938,239 B2Parent of this continuation

US 2017/0047769 A1Published application

US 2019/0229550 A1Published application

US 11,451,074 B2This patent

From the US filing history. Foreign family members aren’t listed.

Wireless charging method and apparatus thereof

Life of this patent

Wireless charging method and apparatus thereof

Life of this patent

Abstract

Claims21