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Method and system for operating communications device that communicates via inductive coupling

A communication device and inductive coupling technology, applied in transmission systems, near-field transmission systems, near-field transmission systems in radio frequency identification systems, etc., can solve problems such as no detection of detuning conditions

Active Publication Date: 2018-06-26
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, typical communication devices that communicate via inductive coupling generally do not have a built-in ability to detect detuning conditions

Method used

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  • Method and system for operating communications device that communicates via inductive coupling
  • Method and system for operating communications device that communicates via inductive coupling
  • Method and system for operating communications device that communicates via inductive coupling

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Embodiment Construction

[0034] It will be readily understood that the components of the embodiments as generally described herein and illustrated in the drawings may be arranged and designed in a wide variety of different configurations. Accordingly, the following more detailed description of various embodiments as represented in the figures is not intended to limit the scope of the present invention, but merely to represent various embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0035] The present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The described embodiments should be considered in all respects as illustrative only and not restrictive. Accordingly, the scope of the invention is indicated by the appended claims rather than by this detailed description. All changes that come within the mean...

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Abstract

Embodiments of methods and systems for operating a communications device that communicates via inductive coupling are described. In an embodiment, a method for operating a communications device that communicates via inductive coupling involves obtaining transmission output power information related to the communications device and measuring a detuning condition based on the transmission output power information. Other embodiments are also described.

Description

technical field [0001] The present invention relates to methods and systems for operating a communication device that communicates via inductive coupling. Background technique [0002] The communication devices are capable of communicating with each other via inductive coupling. For example, near field communication (NFC) is a wireless technology based on radio frequency identification (RFID). NFC defines a wireless connection between two devices in close proximity to each other to exchange data between the two devices. For example, data communication between a reader and a transponder is typically bi-directional and is initiated by the reader, which generates a continuous magnetic field. RFID devices utilizing NFC can generally be configured for passive load modulation (PLM) or active load modulation (ALM). [0003] In communication devices that communicate via inductive coupling, detuning conditions may affect the performance of the communication device. For example, d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B5/00H04B17/318G01R21/06
CPCH04B17/318G01R21/06H04B5/73H04B5/24H04B5/45H04B5/26H04B5/77H04B5/79H04W4/80H04B5/72
Inventor 赫尔诺特·许贝尔约翰内斯·布鲁克鲍尔艾瑞希·梅林
Owner NXP BV