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    • 13. 发明专利
    • Non-contact proximity automated data collection system and method
    • 非接触式自动数据采集系统和方法
    • JP2005136972A
    • 2005-05-26
    • JP2004294100
    • 2004-10-06
    • Cubic Corpキュービック コーポレイションCubic Corporation
    • KELLY GUY MPAGE KEVIN JPLUM DON PRAVENIS JOSEPH V J II
    • G06F12/14G06F21/24G06K7/00G06K17/00G06K19/07G06K19/073H04B5/02
    • G06K19/0701G06K7/0008G06K7/10059G06K19/0723
    • PROBLEM TO BE SOLVED: To prevent the communication collision problem that occurs when two tags enter simultaneously an RF field in a non-contact proximity automated data collection system, including tags, targets and hosts. SOLUTION: Each time a first response from a tag is received, a target checks whether the response has an appropriate message format. First responses from a plurality of tags are designed to generate an inappropriate message format, when they interfere with each other. When the inappropriate message format is received, the target notifies to the tag that the message is invalid. The tag then performs retry, after a while. Although it is rare, the target may not be able to detect collision, even though a collision exists. At such a time, the host executes collision detection of a second level. This surely prevents two or more tags from simultaneously accessing the same target. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了防止两个标签同时进入包括标签,目标和主机在内的非接触式自动数据收集系统中的RF场发生的通信冲突问题。

      解决方案:每当接收到来自标签的第一个响应时,目标将检查响应是否具有适当的消息格式。 来自多个标签的第一响应被设计成当它们彼此干扰时产生不适当的消息格式。 当接收到不适当的消息格式时,目标通知该标签该消息是无效的。 标签然后执行一段时间后重试。 虽然很少见,但即使存在碰撞,目标也可能无法检测到碰撞。 在这样的时间,主机执行第二级别的冲突检测。 这可以防止两个或更多的标签同时访问同一个目标。 版权所有(C)2005,JPO&NCIPI

    • 14. 发明专利
    • Contactless proximity type automated data collection system and method
    • 无连续接近型自动数据采集系统及方法
    • JP2005100424A
    • 2005-04-14
    • JP2004294121
    • 2004-10-06
    • Cubic Corpキュービック コーポレイションCubic Corporation
    • KELLY GUY MPAGE KEVIN JPLUM DON PRAVENIS JOSEPH V J II
    • G06F12/14G06F21/24G06K7/00G06K17/00G06K19/07G06K19/073H04B5/02
    • G06K19/0701G06K7/0008G06K7/10059G06K19/0723
    • PROBLEM TO BE SOLVED: To provide a fast data transfer collection system using message authentication and contactless radio frequency proximity card technology in non-contact storage and retrieval of data. SOLUTION: A host provides a specific application function to a tag holder. The function is extremely secure against fraudulent use. A target controls an RF antenna and avoids collisions between multiple tags in the RF field. A tag provides reliable, high speed, and well authenticated secure exchanges of data/information with the host. This can be realized by using specially manufactured custom ASIC design for the tag. The tag includes special analog and digital circuits, a nonvolatile memory and a status logic. Each tag engages in a transaction with the target. Data of the tag are read and written by exchanging a series of messages. These exchanges establish the RF communication link, avoid communication collisions with other tags, mutually authenticate both parties, rapidly and robustly relay information through the RF communication link, and ensure the integrity and incorruptibility of the transaction. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种使用消息认证和非接触式射频感应卡技术在非接触式存储和数据检索中的快速数据传输收集系统。

      解决方案:主机为标签架提供特定的应用功能。 该功能是非常安全的,以防欺诈使用。 目标控制射频天线,避免RF场中多个标签之间的碰撞。 标签提供与主机的可靠,高速度和良好认证的数据/信息安全交换。 这可以通过使用专门制造的定制ASIC设计来实现。 该标签包括特殊的模拟和数字电路,非易失性存储器和状态逻辑。 每个标签都与目标进行交易。 通过交换一系列消息来读取和写入标签的数据。 这些交换机建立了RF通信链路,避免与其他标签的通信冲突,双方相互认证,通过RF通信链路快速,鲁棒地中继信息,确保交易的完整性和不可破坏性。 版权所有(C)2005,JPO&NCIPI