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Method and electronic device for managing communication between an electronic device and a communication device

A technology of electronic devices and communication equipment, applied in the field of management of communication protocols, to achieve the effect of easy protocol detection, fast implementation, and fast protocol detection

Active Publication Date: 2016-05-04
STMICROELECTRONICS (ROUSSET) SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The chip card will then only be able to talk with this selected protocol and will therefore not be able to talk according to other protocols

Method used

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  • Method and electronic device for managing communication between an electronic device and a communication device
  • Method and electronic device for managing communication between an electronic device and a communication device
  • Method and electronic device for managing communication between an electronic device and a communication device

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Experimental program
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Embodiment Construction

[0056] exist figure 1 Among them, the electronic device capable of communicating with the communication device is a chip card CT having an integrated circuit or a microchip PC which in a known conventional manner integrates itself processing means in particular including a microprocessor MT and communication interface INT.

[0057] The communication interface INT may include contacts, which are used for corresponding cooperation with the same type of contacts of a communication device (for example, a reader), and / or when the card CT needs to communicate with the reader within the framework of a contactless communication protocol. Input device linked to the antenna ANT in case of dialogue with the receiver.

[0058] exist figure 2 In , it is assumed that the card CT is capable of dialogue with the reader according to a communication protocol selected from three different communication protocols.

[0059] In this respect, the communication interface comprises input means BE ...

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PUM

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Abstract

The invention relates to a method and a corresponding electronic device for managing communication between an electronic device such as a contactless chip card and a communication device such as a reader. Said device is equipped with a plurality of protocol decoding means (DCDi) respectively corresponding to a plurality of communication protocols, so as to be able to communicate with said communication protocol during a transaction selectively according to one of these communication protocols The device engages in a dialogue, the method comprising automatic protocol detection comprising: a) activating (40) all of said decoding means at the start of a transaction, b) delivering signals received by said electronic device to all of said decoding means, c) analyze (41) at least one signal delivered by at least one of said decoding means, and d) select (42) one of said decoding means based on a result of said analysis, and The transaction is performed with the selected decoding device.

Description

technical field [0001] The present invention relates to communication between an electronic device and a communication device, and more particularly to the management of a communication protocol between the device, such as a chip card, and the communication device, such as a reader. Background technique [0002] There are many different communication protocols for the communication between especially the chip card and the reader. [0003] One may cite, for example, the I2C and ISO7816 protocols, which are particularly suitable for a "touch" dialogue between a chip card and a reader (that is to say when the former is in contact with the reader). Reference may also be made to the Type A and Type B protocols defined in ISO standard 14443 and are especially suitable for contactless communication between chip card and reader (that is to say when chip card and reader are spaced apart from each other). [0004] Furthermore, certain chip cards can be equipped with contacts for a co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K19/07
CPCG06K7/10138G06K19/0723G06K7/10297H04L69/18H04L69/08
Inventor F·邦塞尔N·兰克B·埃内布瓦D·肖莫
Owner STMICROELECTRONICS (ROUSSET) SAS
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