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    • 5. 发明申请
    • UTILITY DEVICE INTERFACE
    • 实用设备接口
    • WO2014144635A1
    • 2014-09-18
    • PCT/US2014/029131
    • 2014-03-14
    • NEPTUNE TECHNOLOGY GROUP INC.
    • HAMILTON, DavidBRENNAN, William J., Jr.WILSON, Michael, A.
    • G01D4/00
    • G01D4/002G01D4/00G06F12/14G06F12/145G06F21/62G06K19/0723G06K19/07749H04Q2209/47Y02B90/248Y04S20/52
    • A meter interface unit (MIU) is provided for a utility meter that uses RFID technology as both a source of backup power and as a means of transmitting utility usage data. Usage data is stored in non-volatile memory that will persist even if the main power source of the MIU is lost. Because an RFID generates electric current when it receives an electromagnetic signal from an interrogator, the RFID can provide power to the memory, read the usage data from the memory, and wirelessly transmit the usage data back to the interrogator without any other source of power. This can prevent data loss when the MIU runs out of power; for example, when its battery is expended. RFID technology can also provide many other benefits and uses when coupled with an MIU, in addition to serving as backup power and communication.
    • 为使用RFID技术作为备用电源和作为发送实用程序使用数据的手段的公用事业仪表提供了仪表接口单元(MIU)。 使用数据存储在非易失性存储器中,即使MIU的主电源丢失,它也会持续使用。 因为RFID在从询问器接收到电磁信号时产生电流,所以RFID可以向存储器提供电力,从存储器读取使用数据,并将使用数据无线传送回询问器,而无需任何其他电源。 这可以防止MIU断电时的数据丢失; 例如,当其电池消耗时。 除了作为备用电源和通信之外,RFID技术还可以与MIU配合提供许多其他优点和用途。