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    • 9. 发明授权
    • Method for recognizing identification media
    • 识别识别媒体的方法
    • US07598872B2
    • 2009-10-06
    • US10591415
    • 2005-02-28
    • Marcel PlūssAndreas KochPeter Hausmann
    • Marcel PlūssAndreas KochPeter Hausmann
    • H04Q5/22G08B13/14
    • G06K7/0008G06K7/10039G06K7/10128
    • The invention relates to a method for recognizing identification media in the communication area of a write/read device functioning according to the principle of inductive coupling in the MHz range, wherein an antenna is used for transmitting and receiving HF signals, in addition to a circuit for transmitting HF signals with a standard transmitter power output and a logic circuit for evaluating communication between a write/read device and an identification medium. A short inquiry signal consisting of several fundamental components of the HF field and having a standard transmission power output is periodically transmitted via a transmission path and the antenna and a response signal is detected on the antenna. The response signal is compared to a reference signal and a communication signal is transmitted in order to recognize an identification medium in the event that the response signal is different from the reference signal. This enables energy-saving, reliable recognition of identification media occurring in the field of communications for subsequent communication with the write/read device, particularly with respect to battery-operated write/read devices.
    • 本发明涉及一种用于识别根据在MHz范围内的电感耦合原理起作用的写/读设备的通信区域中的识别介质的方法,其中天线用于发送和接收HF信号,除了电路 用于发送具有标准发射机功率输出的HF信号和用于评估写/读设备和识别介质之间的通信的逻辑电路。 由HF场的几个基本组成部分和具有标准传输功率输出的短询问信号通过传输路径周期性地发送,并且在天线上检测到响应信号。 将响应信号与参考信号进行比较,并且在响应信号与参考信号不同的情况下,传送通信信号以识别识别介质。 这使得能够对通信领域中出现的识别介质进行节能,可靠的识别,以便随后与写/读设备进行通信,特别是关于电池供电的写/读设备。