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    Method and system for communicating with and tracking rfid transponders
    3.
    发明公开
    Method and system for communicating with and tracking rfid transponders 有权
    RFID Kommunikationsverfahren，系统和应答器

    公开(公告)号：EP1211630A3

    公开(公告)日：2002-07-31

    申请号：EP01308754.9

    申请日：2001-10-15

    申请人： Kipp, Ludwig

    发明人： Armstrong, John T. ,  Richert, John D. ,  Palmer, John P.

    IPC分类号： G06K7/00 ,  G06K19/077

    CPC分类号： G08B13/2488 ,  G06K7/0008 ,  G06K7/10039 ,  G06K7/10316 ,  G06K7/10356 ,  G06K2017/007 ,  G08B13/2417

    摘要： An RFID system and method for communicating between a host computer, one or more interrogators connected to the host computer (100), and a large body of transponders (150) distributed within an area covered by the interrogators (190). Each transponder originally has a common identification code, and upon initialization by the host computer internally generates a unique identification code based upon an internally generated random number. The host, through the interrogators, reads each of the identification codes associated with each transponder by iteratively transmitting a read identification code command along with a controlled variable. Each transponder compares the received controlled variable to an internally generated random number, and selectively transmits its identification code based upon the outcome of this comparison. After the completion of each read identification code iteration, the host adjusts the controlled variable based upon the responses received in the previous iteration. Preferably, communications between the interrogators and the transponders are DSSS signals in TDMA format, and the transponders use the random number generator to assign a time slot for transmission of their response. Each interrogator includes an antenna system utilizing a switch matrix to connect multiple antennas having different polarizations, which ensures that all transponders within the range of the interrogator receive the signals from the interrogator. In a further aspect, the interrogators are arranged in groups, each group in nearest neighbor format, to reduce the time for reading the transponders and the emissions generated when more than one interrogator is active at the same time.

    摘要翻译： 用于在主计算机，连接到主计算机（100）的一个或多个询问器和分布在由询问器（190）覆盖的区域内的大量应答器（150）之间进行通信的RFID系统和方法。 每个应答器最初具有公共识别码，并且在主计算机初始化之后，内部基于内部生成的随机数来生成唯一的识别码。 主机通过询问器通过迭代地发送读取的识别代码命令以及受控变量来读取与每个转发器相关联的每个识别代码。 每个转发器将接收的受控变量与内部产生的随机数进行比较，并且基于该比较的结果选择性地发送其识别码。 在每次读取识别代码迭代完成之后，主机根据在先前迭代中接收到的响应来调整受控变量。 优选地，询问器和应答器之间的通信是TDMA格式的DSSS信号，并且应答器使用随机数发生器分配用于其响应的传输的时隙。 每个询问器包括利用开关矩阵连接具有不同极化的多个天线的天线系统，这确保询问器范围内的所有应答器接收来自询问器的信号。 在另一方面，询问器被分组布置，每组以最邻近的格式排列，以减少用于读取应答器的时间和当多个询问器同时处于活动状态时产生的排放。

    METHOD OF REGISTERING, TRANSFERRING AND STORING INFORMATION
    4.
    发明授权
    METHOD OF REGISTERING, TRANSFERRING AND STORING INFORMATION 失效
    方法用于记录，传输和存储信息

    公开(公告)号：EP0523049B1

    公开(公告)日：1998-01-14

    申请号：EP91901625.3

    申请日：1990-11-23

    申请人： RENVALL, Henrik Gerhard

    发明人： RENVALL, Henrik Gerhard

    IPC分类号： G06K7/00

    CPC分类号： G06K1/14 ,  G06K17/00 ,  G06K17/0022 ,  G06K19/08 ,  G06K2017/007 ,  G06K2017/0087

    摘要： If each part information, such as a product, a measure, a routine, a text portion etc. in an information handling system is given a bar code (2), and if these items of part information are stored in clear (3) together with their bar codes in bar code tables (1) and in the computers (6) included in the system, simple and rational registering, transferring and storing of information can be carried out as follows. Selected items of part information which together form information to be registered, transferred and stored, are registered in that the corresponding bar codes are read by means of a bar code reader (4) and are entered into a computer (6). The computer is caused to print the inputted bar codes and the corresponding items of part information in clear on a sheet of paper (8).

    Flexible merchandise checkout and inventory management system
    9.
    发明公开
    Flexible merchandise checkout and inventory management system 失效
    Flexibles Warenauszahl- und Inventarverwaltungssystem。

    公开(公告)号：EP0485996A2

    公开(公告)日：1992-05-20

    申请号：EP91119370.4

    申请日：1991-11-13

    申请人： SYMBOL TECHNOLOGIES, INC.

    发明人： Bravman, Richard ,  Toedt III, D.C.

    IPC分类号： G07G1/00

    CPC分类号： G07G1/0045 ,  G06K7/1486 ,  G06K2017/007 ,  G07G1/0036

    摘要： A flexible merchandise check-out system utilizes a portable bar code scanner/data terminal as part of an auxiliary check-out station for use during times of peak customer traffic, permitting two or more checkers to empty a shopping cart at once for higher throughput. The check-out system includes separable modules for scanning purchased items and for receiving customer payments, respectively. Customer checks tendered in payment are processable in real time via electronic funds transaction (EFT) orders. Depleted inventory is replaceable using a system wherein replacement inventory items are labeled with bar-coded ultimate-destination information and packed into a container for shipment to a receiving/redistribution center, at which the ultimate-destination information is scanned and decoded to enable proper routing of the replacement inventory items.

    摘要翻译： 灵活的商品退房系统使用便携式条形码扫描器/数据终端作为在客户高峰期间使用的辅助检查站的一部分，允许两个或更多个检验员一次清空购物车以获得更高的吞吐量。 退房系统包括可分离的模块，用于扫描购买的物品和分别接收客户付款。 支付中的客户支票可以通过电子资金交易（EFT）订单实时处理。 使用系统替换耗尽的库存，其中替换库存物品被标记有条形码的最终目的地信息并且被包装到容器中以便运送到接收/再分发中心，在该接收/重新分发中心处扫描和解码最终目的地信息以使得能够进行适当的路由 的替换库存项目。