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Wireless power and data apparatus, system and method

A wireless, high-power technology, used in transmission systems, instruments, electrical components, etc.

Active Publication Date: 2013-09-11
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although useful in many applications, these systems are often limited to applications related to wireless
These and other issues present challenges to the design and implementation of wireless systems for many applications

Method used

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  • Wireless power and data apparatus, system and method
  • Wireless power and data apparatus, system and method
  • Wireless power and data apparatus, system and method

Examples

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Embodiment Construction

[0014] While the invention is amenable to various modifications and alternative forms, details thereof have been shown by way of example and will be described in detail. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the invention, including aspects defined in the claims. Furthermore, the term "example" is used throughout the application for illustration only and not for limitation.

[0015] Aspects of the present invention are believed to be applicable to many different types of devices, systems and structures involving transponder-base coupling and powering wireless devices, including those involving automotive applications. Although the invention is not necessarily limited thereto, various aspects of the invention can be understood through a discussion using the examples herein. ...

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Abstract

Wireless charging and data communication are realized. In accordance with various example embodiments, a transceiver-type circuit wirelessly charges portable devices, such as hand-held telephones via wireless signals, and also wirelessly communicates data with remote transponders. The data communication is carried out to facilitate authentication of the remote transponders and may, for example, be limited relative to a power-carrying capability of the transponders. Such aspects may be implemented, for example, in a transceiver for both transponder-based operation and (high-power) wireless charging applications in vehicle-based circuits.

Description

technical field [0001] Aspects of various embodiments of the invention relate to wireless power and data applications. Background technique [0002] Many wireless communication systems employ transponders and base stations that communicate with each other. For example, transponders may be used in automotive applications for anti-theft circuits or other circuits that enable ignition circuits. Typically, the transponder communicates with the base station to unlock the doors and / or the ignition of the car, or otherwise enable associated circuitry. Many such circuits use the ISM (Industrial Scientific Medical) band around 125 kHz, which can be used in metallic environments such as automobiles and is relatively insensitive to detuning (eg by touch). [0003] In some embodiments, including most transponder applications for vehicle access / braking, the energy to operate such transponders may also be provided wirelessly. For example, a low frequency electric field may be provided ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/59H04B7/26
CPCG07C9/00309G07C2009/00793H02J50/80H02J50/90
Inventor 伊尔根·诺沃特尼克
Owner NXP BV
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