RF device comparing DAC output to incoming signal for selectively performing an action
    1.
    发明授权
    RF device comparing DAC output to incoming signal for selectively performing an action 有权
    RF器件将DAC输出与输入信号进行比较,以选择性地执行动作

    公开(公告)号:US08098159B2

    公开(公告)日:2012-01-17

    申请号:US11423411

    申请日:2006-06-09

    IPC分类号: G08B13/14

    CPC分类号: G06K19/07749 G06K19/0716

    摘要: A Radio Frequency (RF) device such as a Radio Frequency Identification (RFID) tag according to one embodiment includes a Digital to Analog Converter (DAC) for generating a reference signal based on a stored digital comparison criteria value, and a mechanism for comparing an incoming signal to the reference signal. The device performs an action such as backscattering based on the comparison. Additional systems and methods are also disclosed.

    摘要翻译: 根据一个实施例的诸如射频识别(RFID)标签的射频(RF)设备包括用于基于存储的数字比较准则值产生参考信号的数模转换器(DAC)和用于比较 输入信号到参考信号。 该装置基于比较执行诸如后向散射的动作。 还公开了附加的系统和方法。

    RFID sensor tag with manual modes and functions
    2.
    发明授权
    RFID sensor tag with manual modes and functions 有权
    具有手动模式和功能的RFID传感器标签

    公开(公告)号:US07796038B2

    公开(公告)日:2010-09-14

    申请号:US11423699

    申请日:2006-06-12

    申请人: Naresh Batra

    发明人: Naresh Batra

    IPC分类号: G08B13/14

    摘要: A Radio Frequency Identification (RFID) tag according to one embodiment includes a controller, a sensor in communication with the controller, a local power source for providing power to the controller, and a user input device for receiving manual input from a user. A function is selectable by manipulation of the user input device. An RFID tag according to another embodiment of the present invention includes a controller having activate circuitry, the activate circuitry being for detecting a valid activate command in an incoming signal and causing the tag to wake from a hibernate state. An electronic display device is in communication with the controller. A local power source provides power to the controller. A user input device receives manual input from a user. The tag is normally in a hibernate state. Manipulation of the user input device wakes the tag from the hibernate state and/or allows function selection.

    摘要翻译: 根据一个实施例的射频识别(RFID)标签包括控制器,与控制器通信的传感器,用于向控制器提供电力的本地电源以及用于从用户接收手动输入的用户输入设备。 可以通过操纵用户输入设备来选择功能。 根据本发明的另一实施例的RFID标签包括具有激活电路的控制器,所述激活电路用于检测输入信号中的有效激活命令并使标签从休眠状态唤醒。 电子显示装置与控制器通信。 本地电源为控制器提供电源。 用户输入设备从用户接收手动输入。 标签通常处于休眠状态。 操作用户输入设备将唤醒标签从休眠状态和/或允许功能选择。

    Self-charging RFID tag with long life
    3.
    发明授权
    Self-charging RFID tag with long life 有权
    自动充电RFID标签,寿命长

    公开(公告)号:US07724145B2

    公开(公告)日:2010-05-25

    申请号:US11458941

    申请日:2006-07-20

    IPC分类号: G08B13/14

    摘要: A Radio Frequency Identification (RFID) device according to one embodiment of the present invention includes a rechargeable solid state battery, control circuitry coupled to the rechargeable solid state battery, and a power source for recharging the rechargeable solid state battery.

    摘要翻译: 根据本发明的一个实施例的射频识别(RFID)装置包括可再充电固态电池,耦合到可再充电固态电池的控制电路和用于再充电可充电固态电池的电源。

    SELF-CHARGING RFID TAG WITH LONG LIFE
    4.
    发明申请
    SELF-CHARGING RFID TAG WITH LONG LIFE 有权
    自动充电RFID标签与长寿命

    公开(公告)号:US20080018466A1

    公开(公告)日:2008-01-24

    申请号:US11458941

    申请日:2006-07-20

    IPC分类号: G08B13/14

    摘要: A Radio Frequency Identification (RFID) device according to one embodiment of the present invention includes a rechargeable solid state battery, control circuitry coupled to the rechargeable solid state battery, and a power source for recharging the rechargeable solid state battery.

    摘要翻译: 根据本发明的一个实施例的射频识别(RFID)装置包括可再充电固态电池,耦合到可再充电固态电池的控制电路和用于再充电可充电固态电池的电源。

    RFID device with first clock for data acquisition and/or calibration of second clock
    6.
    发明授权
    RFID device with first clock for data acquisition and/or calibration of second clock 有权
    具有用于第二时钟的数据采集和/或校准的第一时钟的RFID设备

    公开(公告)号:US08077012B2

    公开(公告)日:2011-12-13

    申请号:US11424810

    申请日:2006-06-16

    IPC分类号: H04Q5/22

    CPC分类号: G06K19/0723 G06F1/14

    摘要: A system according to one embodiment of the present invention includes a first clock signal generator generating a first clock signal at a first frequency, and a second clock signal generator generating a second clock signal at a second frequency that is higher than the first frequency. The first clock signal is used to calibrate the second clock signal generator. An RFID device according to another embodiment of the present invention includes a crystal controlled first clock signal generator generating a first clock signal at a first frequency, a second clock signal generator generating a second clock signal at a second frequency that is higher than the first frequency, and an activate circuit. The second clock signal generator is inactive until activated by the activate circuit. The first clock signal is used to calibrate the second clock signal generator. Methods are also presented.

    摘要翻译: 根据本发明的一个实施例的系统包括产生第一频率的第一时钟信号的第一时钟信号发生器和产生高于第一频率的第二频率的第二时钟信号的第二时钟信号发生器。 第一个时钟信号用于校准第二个时钟信号发生器。 根据本发明另一实施例的RFID设备包括:晶体控制的第一时钟信号发生器,其以第一频率产生第一时钟信号;第二时钟信号发生器,其以比第一频率高的第二频率产生第二时钟信号 ,以及激活电路。 第二个时钟信号发生器无效,直到被激活电路激活。 第一个时钟信号用于校准第二个时钟信号发生器。 还提出了方法。

    RF systems and methods for tracking and singulating tagged items
    7.
    发明授权
    RF systems and methods for tracking and singulating tagged items 有权
    RF系统和跟踪和分类标签项目的方法

    公开(公告)号:US07525434B2

    公开(公告)日:2009-04-28

    申请号:US11423410

    申请日:2006-06-09

    申请人: Naresh Batra

    发明人: Naresh Batra

    IPC分类号: G08B13/14

    CPC分类号: G06K7/0008 G01S13/74

    摘要: A method for identifying an approximate location of a radio frequency tag includes scanning zones of an area in an active mode at a first power level for identifying the zone in which the tag is located, and scanning portions of the zone in which the tag is located in a passive mode at a second power level for identifying the portion of the zone in which the tag is located. An RFID system includes a plurality of RFID tags and an RFID interrogator in communication with the RFID tags.

    摘要翻译: 用于识别射频标签的近似位置的方法包括以第一功率级别的活动模式的区域扫描区域,以识别标签所位于的区域,以及扫描标签所位于的区域的部分 处于处于第二功率级的被动模式,用于识别标签所位于的区域的部分。 RFID系统包括与RFID标签通信的多个RFID标签和RFID询问器。

    LONG RANGE RFID DEVICE USED WITH DISPLAY, AND SYSTEMS AND METHODS IMPLEMENTING SAME
    8.
    发明申请
    LONG RANGE RFID DEVICE USED WITH DISPLAY, AND SYSTEMS AND METHODS IMPLEMENTING SAME 审中-公开
    使用显示器的长范围RFID设备,以及实现其的系统和方法

    公开(公告)号:US20080157925A1

    公开(公告)日:2008-07-03

    申请号:US11619582

    申请日:2007-01-03

    申请人: Naresh Batra

    发明人: Naresh Batra

    IPC分类号: H04B7/00

    CPC分类号: G06K7/0008

    摘要: A Radio Frequency Identification (RFID)-based display system according to one embodiment of the present invention includes an electronic display device having a visual display device; and an RFID device having a memory, the RFID device being in electrical communication with the electronic display device via a direct physical connection, wherein data received by the RFID device from a remote device is stored in the memory of the RFID device, the data being communicated to the electronic, display device via the direct physical connection. Methods are also presented.

    摘要翻译: 根据本发明的一个实施例的基于射频识别(RFID)的显示系统包括具有视觉显示装置的电子显示装置; 以及具有存储器的RFID装置,所述RFID装置经由直接物理连接与所述电子显示装置电连通,其中由所述RFID装置从远程装置接收的数据被存储在所述RFID装置的存储器中,所述数据为 通过直接物理连接传送到电子显示设备。 还提出了方法。

    SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR CALIBRATING INTERROGATOR SIGNAL STRENGTH AND/OR TAG RESPONSE RANGE SETTING
    9.
    发明申请
    SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR CALIBRATING INTERROGATOR SIGNAL STRENGTH AND/OR TAG RESPONSE RANGE SETTING 有权
    用于校准干涉仪信号强度和/或标签响应范围的系统,方法和计算机程序产品

    公开(公告)号:US20070290802A1

    公开(公告)日:2007-12-20

    申请号:US11423414

    申请日:2006-06-09

    IPC分类号: H04Q5/22

    摘要: A system, method and computer program product according to one embodiment are provided for calibrating an RFID interrogator. A signal is sent from an interrogator to a calibration device. A backscatter signal is received from the calibration device. The backscatter from the calibration device is analyzed. An outgoing signal strength of the interrogator is adjusted based on the analysis. In a system, method and computer program product according to another embodiment, the interrogator is set to selectively respond to tags returning a backscatter signal strength selected based on the analysis. In a system, method and computer program product according to another embodiment, comparison criteria is selected based on the analysis of the backscatter signal. An RF device is instructed to store the comparison criteria, which is then used by the RF device to selectively respond to an interrogator signal having at least a desired strength.

    摘要翻译: 提供根据一个实施例的系统,方法和计算机程序产品,用于校准RFID询问器。 信号从询问器发送到校准装置。 从校准装置接收反向散射信号。 分析来自校准装置的反向散射。 基于分析调整询问器的输出信号强度。 在根据另一实施例的系统,方法和计算机程序产品中,询问器被设置为选择性地响应返回基于分析选择的反向散射信号强度的标签。 在根据另一实施例的系统,方法和计算机程序产品中,基于后向散射信号的分析来选择比较标准。 指示RF设备存储比较标准,然后由RF设备使用该标准来选择性地响应具有至少所需强度的询问器信号。

    Long range RFID device for battery monitoring and systems implementing same
    10.
    发明授权
    Long range RFID device for battery monitoring and systems implementing same 有权
    用于电池监控的远程RFID设备及其实施的系统

    公开(公告)号:US08941496B2

    公开(公告)日:2015-01-27

    申请号:US11619581

    申请日:2007-01-03

    申请人: Naresh Batra

    发明人: Naresh Batra

    摘要: An RFID system according to one embodiment includes an electronic device being powered by a battery; an RFID device in electrical communication with the electronic device; and a mechanism for estimating a remaining potential energy of the battery, wherein a flag is set on the RFID device when an estimated remaining potential energy of the battery is below a predefined threshold. In an RFID system according to another embodiment, the RFID device stores an indication of a condition of the battery powering the electronic device. An RFID device according to yet another embodiment of the invention includes an interface for providing a direct physical connection to an electronic device that is powered by a battery; a memory for storing an indication of a condition of the battery powering the electronic device; and circuitry for sending the indication stored in the memory to a remote device via an air interface.

    摘要翻译: 根据一个实施例的RFID系统包括由电池供电的电子设备; 与所述电子设备电通信的RFID设备; 以及用于估计电池的剩余势能的机构,其中当电池的估计剩余电势低于预定阈值时,在RFID装置上设置标志。 在根据另一实施例的RFID系统中,RFID设备存储为电子设备供电的电池的状态的指示。 根据本发明的另一个实施例的RFID设备包括用于向由电池供电的电子设备提供直接物理连接的接口; 用于存储为电子设备供电的电池的状态的指示的存储器; 以及用于经由空中接口将存储在存储器中的指示发送到远程设备的电路。