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Method of reading a plurality of non-contact data carriers, including an anti-collision scheme

机译:读取多个非接触式数据载体的方法,包括防冲突方案

摘要

In a method of inventorying data carriers (2) by means of a communication station, whereby the communication station and each data carrier (2) are brought into communicative connection, and each data carrier (2) brought into communicative connection with the communication station is capable of generating a response signal (IDS) that renders possible an inventorying of the data carrier and is capable of delivering a generated response signal (IDS) with the use of a transmission start moment that can be selected from a plurality of transmission start moments (t5, t6), each data carrier tests whether another data carrier (2) is already giving its response signal (IDS). Each data carrier (2) gives only the response signal if no other data carrier is already giving a response signal at its transmission start moment.
机译:在通过通信站盘存数据载体(2)的方法中,使通信站和每个数据载体(2)建立通信连接,并且使每个数据载体(2)与通信站建立通信连接。能够生成响应信号(IDS),该响应信号使数据载体的清单成为可能,并且能够使用可以从多个传输开始时刻中选择的传输开始时刻来传递所生成的响应信号(IDS)( t5,t6),每个数据载体测试另一个数据载体(2)是否已经给出了其响应信号(IDS)。如果没有其他数据载体在其传输开始时刻已经在发出响应信号,则每个数据载体(2)仅给出响应信号。

著录项

  • 公开/公告号EP1873683A2

    专利类型

  • 公开/公告日2008-01-02

    原文格式PDF

  • 申请/专利权人 NXP B.V.;

    申请/专利号EP20070117625

  • 发明设计人 BREITFUSS KLEMENS;THUERINGER PETER;

    申请日2003-08-29

  • 分类号G06K7/00;

  • 国家 EP

  • 入库时间 2022-08-21 19:57:18

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