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    • 51. 发明申请
    • Method and device for data transmission
    • 用于数据传输的方法和装置
    • US20060153123A1
    • 2006-07-13
    • US11281542
    • 2005-11-18
    • Ulrich Friedrich
    • Ulrich Friedrich
    • H04Q7/00
    • G06K19/0723G06K7/0008
    • A method for transmitting data between a base station and at least one remote unit is provided. Conventional approaches to communication based on a predefined uniform transmission protocol do not function especially in open RFID systems with at least one base station and tags of a different (and variable) type and number, in which different customers are provided with one and the same tag solution. Primarily if several customers each wish to use a customer-specific solution, this can no longer be represented by a single uniform code. The method of the present invention makes it possible to introduce new, protocol-extending instruction sequences (protocol extensions) and to recognize these reliably as such, whereby these are not in conflict with the existing protocol.
    • 提供了一种用于在基站和至少一个远程单元之间传送数据的方法。 基于预定义的统一传输协议的传统通信方法在具有至少一个基站和不同(和可变)类型和数量的标签的开放RFID系统中不起作用,其中不同的客户被提供有相同的标签 解。 主要是如果几个客户都希望使用特定于客户的解决方案,则这不能再由一个统一的代码表示。 本发明的方法使得可以引入新的协议扩展指令序列(协议扩展),并且可靠地识别这些序列,由此这些不与现有协议相冲突。
    • 52. 发明申请
    • Method for selecting one or more transponders
    • 选择一个或多个转发器的方法
    • US20060044114A1
    • 2006-03-02
    • US11210896
    • 2005-08-25
    • Ulrich FriedrichMichael Pangels
    • Ulrich FriedrichMichael Pangels
    • H04Q5/22G08B13/14
    • G06K7/10059G06K7/0008G06K7/10039G06K19/0723
    • A method and device for selecting one or more transponders, in particular backscatter-based transponders, from a plurality of transponders by a base station, which method is based on a slotted ALOHA method, in which the base station defines numbered time slots and a random number generated in a given transponder determines a time slot when the transponder transmits its transponder-specific identification to the base station. The random number is generated in a given transponder with the aid of a random number generator, the relevant random number generator is switched into a counter operating mode after reception of a selection command transmitted by the base station, while a count state of the random number generator is decremented or incremented when the base station transmits the start of a time slot, the relevant transponder transmits a transponder-specific identification to the base station if the count state of its random number generator is equal to a predetermined value, and the relevant random number generator is then switched back into the operating mode for random number generation.
    • 一种用于从基站从多个转发器中选择一个或多个转发器,特别是基于后向散射的应答器的方法和设备,该方法基于时隙ALOHA方法,其中基站定义编号的时隙和随机 在给定的转发器中产生的号码确定应答器向基站发送其应答器特定标识的时隙。 随机数在随机数发生器的帮助下在给定的转发器中产生,相关随机数发生器在接收到基站发送的选择命令之后切换到计数器操作模式,而随机数的计数状态 当基站发送时隙的开始时,发生器递减或增加,如果其随机数发生器的计数状态等于预定值,则相关的应答器向基站发送应答器特定标识,并且相关随机 然后,数字发生器切换回到用于随机数生成的操作模式。
    • 54. 发明申请
    • Method For Data Communication Between A Base Station And A Transponder
    • 基站与应答器之间数据通信的方法
    • US20140132396A1
    • 2014-05-15
    • US14158528
    • 2014-01-17
    • Ulrich Friedrich
    • Ulrich Friedrich
    • G06K7/10
    • G06K7/10019G06K7/0008G06K7/10297
    • A method for data communication between a base station and at least one transponder by a high-frequency electromagnetic carrier signal is disclosed, onto which information packets are modulated, whereby each information packet has a header section, a middle section, and an end section and whereby the middle section has a data field for the transmission of data and/or address information and a protection field placed thereafter for the correction of errors in the transmission of the data and/or address information, whereby after the data field the base station inserts at least one control field, by which the protection field following the inserted control field can be changed in such a way that the duration of an information packet is set variably. The invention relates further to a base station for carrying out this method, to a data communication system containing a base station and at least one transponder in communicative wireless contact with the base station.
    • 公开了一种通过高频电磁载波信号在基站与至少一个应答器之间进行数据通信的方法,在其上调制信息分组,由此每个信息分组具有报头部分,中间部分和端部部分, 由此中间部分具有用于传输数据和/或地址信息的数据字段和其后放置用于校正数据和/或地址信息的传输中的错误的保护字段,由此在数据字段之后,基站插入 至少一个控制字段,通过该控制字段,可以以可变地设置信息包的持续时间的方式改变插入的控制字段之后的保护字段。 本发明还涉及一种用于执行该方法的基站,包括基站和与该基站通信无线接触的至少一个应答器的数据通信系统。
    • 55. 发明申请
    • Method for Selecting One or More Transponders
    • 选择一个或多个转发器的方法
    • US20140111309A1
    • 2014-04-24
    • US14145139
    • 2013-12-31
    • Ulrich FriedrichMichael Pangela
    • Ulrich FriedrichMichael Pangela
    • G06K7/10
    • G06K7/10059G06K7/0008G06K7/10039G06K19/0723
    • A method and device for selecting one or more transponders, in particular backscatter-based transponders, from a plurality of transponders by a base station, which method is based on a slotted ALOHA method, in which the base station defines numbered time slots and a random number generated in a given transponder determines a time slot when the transponder transmits its transponder-specific identification to the base station. The random number is generated in a given transponder with the aid of a random number generator, the relevant random number generator is switched into a counter operating mode after reception of a selection command transmitted by the base station, while a count state of the random number generator is decremented or incremented when the base station transmits the start of a time slot, the relevant transponder transmits a transponder-specific identification to the base station if the count state of its random number generator is equal to a predetermined value, and the relevant random number generator is then switched back into the operating mode for random number generation.
    • 一种用于从基站从多个转发器中选择一个或多个转发器,特别是基于后向散射的应答器的方法和设备,该方法基于时隙ALOHA方法,其中基站定义编号的时隙和随机 在给定的转发器中产生的号码确定应答器向基站发送其应答器特定标识的时隙。 随机数在随机数发生器的帮助下在给定的转发器中产生,相关随机数发生器在接收到基站发送的选择命令之后切换到计数器操作模式,而随机数的计数状态 当基站发送时隙的开始时,发生器递减或增加,如果其随机数发生器的计数状态等于预定值,则相关的应答器向基站发送应答器特定标识,并且相关随机 然后,数字发生器切换回到用于随机数生成的操作模式。
    • 56. 发明授权
    • Method, transponder, and circuit for selecting one or more transponders
    • 用于选择一个或多个转发器的方法,应答器和电路
    • US08638195B2
    • 2014-01-28
    • US13051797
    • 2011-03-18
    • Ulrich FriedrichMichael Pangels
    • Ulrich FriedrichMichael Pangels
    • G06K7/01
    • G06K7/10059G06K7/0008G06K7/10039G06K19/0723
    • A method and device for selecting one or more transponders, in particular backscatter-based transponders, from a plurality of transponders by a base station, which method is based on a slotted ALOHA method, in which the base station defines numbered time slots and a random number generated in a given transponder determines a time slot when the transponder transmits its transponder-specific identification to the base station. The random number is generated in a given transponder with the aid of a random number generator, the relevant random number generator is switched into a counter operating mode after reception of a selection command transmitted by the base station, while a count state of the random number generator is decremented or incremented when the base station transmits the start of a time slot, the relevant transponder transmits a transponder-specific identification to the base station if the count state of its random number generator is equal to a predetermined value, and the relevant random number generator is then switched back into the operating mode for random number generation.
    • 一种用于从基站从多个转发器中选择一个或多个转发器,特别是基于后向散射的应答器的方法和设备,该方法基于时隙ALOHA方法,其中基站定义编号的时隙和随机 在给定的转发器中产生的号码确定应答器向基站发送其应答器特定标识的时隙。 随机数在随机数发生器的帮助下在给定的转发器中产生,相关随机数发生器在接收到基站发送的选择命令之后切换到计数器操作模式,而随机数的计数状态 当基站发送时隙的开始时,发生器递减或增加,如果其随机数发生器的计数状态等于预定值,则相关的应答器向基站发送应答器特定标识,并且相关随机 然后,数字发生器切换回到用于随机数生成的操作模式。
    • 60. 发明申请
    • Method and Device for Recognizing Functional States in RFID or Remote Sensor Systems
    • 识别RFID或远程传感器系统功能状态的方法和设备
    • US20110156876A1
    • 2011-06-30
    • US13046591
    • 2011-03-11
    • Ulrich Friedrich
    • Ulrich Friedrich
    • H04Q5/22
    • G06K19/0716G06K7/0008G06K19/07G06K19/0724G06K19/07758
    • A method for recognizing time-variable functional states, e.g., in the course of a programming process, in RFID systems is disclosed, which includes at least one transponder or remote sensor and at least one base station, which transmits data and/or power to the transponder or sensor by a carrier signal. According to the invention, after a specified process state is attained at least one confirmation symbol is transmitted by the transponder or sensor to the base station. As a result, no unfavorable “worst case” scenario has to be provided for chronologically controlling time-variable processes because the base station is able to clearly recognize the beginning and end of the process, as well as the state thereof. RFID systems or remote sensor systems can thus be controlled more quickly and more reliably, resulting especially in reduced costs.
    • 公开了一种在RFID系统中识别时间可变功能状态的方法,例如在编程过程中,其包括至少一个应答器或远程传感器以及至少一个基站,其将数据和/或功率发送到 应答器或传感器通过载波信号。 根据本发明,在达到指定的处理状态之后,应答器或传感器将至少一个确认符号发送到基站。 因此,由于基站能够清楚地识别过程的开始和结束以及其状态,因此不得不按时间顺序控制时变过程来提供不利的“最坏情况”场景。 因此RFID系统或远程传感器系统可以被更快速和更可靠地控制,特别是降低成本。