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1. WO2012135139 - SYSTEMS AND METHODS FOR DETECTING AND PROTECTING A WIRELESS POWER COMMUNICATION DEVICE IN A WIRELESS POWER SYSTEM

Publication Number WO/2012/135139
Publication Date 04.10.2012
International Application No. PCT/US2012/030605
International Filing Date 26.03.2012
IPC
H04B 5/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
H02J 5/00 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
5Circuit arrangements for transfer of electric power between ac networks and dc networks
H02J 17/00 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
17Systems for supplying or distributing electric power by electromagnetic waves
CPC
H02J 5/005
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
5Circuit arrangements for transfer of electric power between ac networks and dc networks
005with inductive power transfer
H02J 50/12
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
10using inductive coupling
12of the resonant type
H02J 50/40
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
40using two or more transmitting or receiving devices
H02J 50/80
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
80involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 50/90
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
90involving detection or optimisation of position, e.g. alignment
H02J 7/00034
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
00032characterised by data exchange
00034Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
Applicants
  • QUALCOMM INCORPORATED [US]/[US] (AllExceptUS)
  • DRENNEN, William Anthony [US]/[US] (UsOnly)
Inventors
  • DRENNEN, William Anthony
Agents
  • ABUMERI, Mark M.
Priority Data
13/352,18617.01.2012US
61/470,38031.03.2011US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR DETECTING AND PROTECTING A WIRELESS POWER COMMUNICATION DEVICE IN A WIRELESS POWER SYSTEM
(FR) SYSTÈMES ET PROCÉDÉS POUR DÉTECTER ET PROTÉGER UN DISPOSITIF DE TRANSMISSION D'ÉNERGIE SANS FIL DANS UN SYSTÈME DE TRANSMISSION D'ÉNERGIE SANS FIL
Abstract
(EN)
Embodiments are directed to detecting and limiting power transfer to communication device, such as NFC and RFID cards. A method may include detecting one or more communication devices positioned within a wireless power transfer region of a wireless power transmitter. The method may further include limiting an amount of power transmitted by a transmitter in response to the detection.
(FR)
Dans ses modes de réalisation, la présente invention se rapporte à la détection et à la limitation d'un transfert d'énergie à des dispositifs de communication comme, par exemple, des cartes NFC et RFID. Un procédé selon l'invention peut consister à détecter un ou plusieurs dispositifs de communication positionnés à l'intérieur d'une zone de transfert d'énergie sans fil d'un transmetteur d'énergie sans fil. Le procédé peut en outre consister à limiter une quantité d'énergie transmise par un transmetteur en réponse à la détection.
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