US 9,866,281 B2Granted

Wireless power transmission apparatus and method therefor

AssigneeIntellectual Discovery Co., Ltd.

InventorsYun Jae Won, Seung Ok Lim

Life of this patent

Estimating the term…

Loading patent…

Abstract

The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.

Claims16

Dependent claims

A wireless power transmitter comprising:

a power transmitting module configured to transmit wireless power using one of a magnetic field of first frequency band and a magnetic field of second frequency band that is different from the first frequency band;
a first communication module;
a second communication module;
and
a controller configured to:
transmit a first magnetic field signal of the first frequency band through the power transmitting module;
detect a first response signal regarding the first magnetic field signal through the first communication module;
in response to receipt of the first response signal, search for a first wireless power receiver that transmits and receives wireless power using the first frequency band;
transmit the second magnetic field signal through the power transmitting module;
detect a second response signal regarding the second magnetic field signal through the second communication module;
and
in response to receipt of the second response signal, search for a second wireless power receiver that transmits and receives wireless power using the second frequency band.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/784,774Filed 17 Apr 2014 · us provisional application
Priority: KR 10-2013-004883930 Apr 2013
Published: US 2016/0065005 A13 Mar 2016
Granted: 9 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification12 codes

H04B 5/79
Specially adapted for specific purposes: for data transfer in combination with power transfer
H02J 7/42
Characterised by the exchange of charge or discharge related data: with electronic devices having internal batteries, e.g. mobile phones
H02J 50/10
Circuit arrangements or systems for wireless supply or distribution of electric power: using inductive coupling
H02J 50/20
Circuit arrangements or systems for wireless supply or distribution of electric power: using microwaves or radio frequency waves