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    • 1. 发明申请
    • SINGLE FREQUENCY LOW POWER RFID DEVICE
    • 单频低功率RFID设备
    • US20100001842A1
    • 2010-01-07
    • US12498884
    • 2009-07-07
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. Knadle, JR.Christopher Brock
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. Knadle, JR.Christopher Brock
    • H04Q5/22
    • G06K7/0008
    • Methods, systems, and apparatuses for a reader transceiver circuit are described. The reader transceiver circuit incorporates a frequency generator, such as a surface acoustic wave (SAW) oscillator. A reader incorporating the reader transceiver circuit is configured to read a tag at very close range, including while being in contact with the tag. The transceiver can be coupled to various host devices in a variety of ways, including being located in a RFID reader (e.g., mobile or fixed position), a computing device, a barcode reader, etc. The transceiver can be located in an RFID module that is attachable to a host device, can be configured in the host device, or can be configured to communicate with the host device over a distance. The RFID module may include one or more antennas, such as a first antenna configured to receive a magnetic field component of an electromagnetic wave and a second antenna configured to receive an electric field component of an electromagnetic wave. The RFID module may include a detector that is configured to determine if the RFID module is positioned in proximity to an object, such as a RFID tag. The detector may operate as a trigger for the RFID module, to enable or trigger a function of the RFID module.
    • 描述了用于读取器收发器电路的方法,系统和装置。 读取器收发器电路包括频率发生器,例如表面声波(SAW)振荡器。 包括读取器收发器电路的读取器被配置为在非常接近的范围内读取标签,包括在与标签接触的同时。 收发器可以以各种方式耦合到各种主机设备,包括位于RFID读取器(例如,移动或固定位置),计算设备,条形码读取器等中。收发器可以位于RFID模块中 可附接到主机设备,可以在主机设备中配置,或者可以被配置为在一定距离上与主机设备进行通信。 RFID模块可以包括一个或多个天线,诸如被配置为接收电磁波的磁场分量的第一天线和被配置为接收电磁波的电场分量的第二天线。 RFID模块可以包括被配置为确定RFID模块是否位于诸如RFID标签之类的物体附近的检测器。 检测器可以用作RFID​​模块的触发器,以实现或触发RFID模块的功能。
    • 2. 发明授权
    • Single frequency low power RFID device
    • 单频低功率RFID设备
    • US07902984B2
    • 2011-03-08
    • US12498884
    • 2009-07-07
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. Knadle, Jr.Christopher Brock
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. Knadle, Jr.Christopher Brock
    • G08B13/14
    • G06K7/0008
    • Methods, systems, and apparatuses for a reader transceiver circuit are described. The reader transceiver circuit incorporates a frequency generator, such as a surface acoustic wave (SAW) oscillator. A reader incorporating the reader transceiver circuit is configured to read a tag at very close range, including while being in contact with the tag. The transceiver can be coupled to various host devices in a variety of ways, including being located in a RFID reader (e.g., mobile or fixed position), a computing device, a barcode reader, etc. The transceiver can be located in an RFID module that is attachable to a host device, can be configured in the host device, or can be configured to communicate with the host device over a distance. The RFID module may include one or more antennas, such as a first antenna configured to receive a magnetic field component of an electromagnetic wave and a second antenna configured to receive an electric field component of an electromagnetic wave. The RFID module may include a detector that is configured to determine if the RFID module is positioned in proximity to an object, such as a RFID tag. The detector may operate as a trigger for the RFID module, to enable or trigger a function of the RFID module.
    • 描述了用于读取器收发器电路的方法,系统和装置。 读取器收发器电路包括频率发生器,例如表面声波(SAW)振荡器。 包括读取器收发器电路的读取器被配置为在非常接近的范围内读取标签,包括在与标签接触的同时。 收发器可以以各种方式耦合到各种主机设备,包括位于RFID读取器(例如,移动或固定位置),计算设备,条形码读取器等中。收发器可以位于RFID模块中 可附接到主机设备,可以在主机设备中配置,或者可以被配置为在一定距离上与主机设备进行通信。 RFID模块可以包括一个或多个天线,诸如被配置为接收电磁波的磁场分量的第一天线和被配置为接收电磁波的电场分量的第二天线。 RFID模块可以包括被配置为确定RFID模块是否位于诸如RFID标签之类的物体附近的检测器。 检测器可以用作RFID​​模块的触发器,以实现或触发RFID模块的功能。
    • 3. 发明授权
    • Single frequency low power RFID device
    • 单频低功率RFID设备
    • US07576657B2
    • 2009-08-18
    • US11529733
    • 2006-09-29
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. Knadle, Jr.Christopher Brock
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. Knadle, Jr.Christopher Brock
    • G08B13/14
    • G06K7/0008
    • Methods, systems, and apparatuses for a reader transceiver circuit are described. The reader transceiver circuit incorporates a frequency generator, such as a surface acoustic wave (SAW) oscillator. A reader incorporating the reader transceiver circuit is configured to read a tag at very close range, including while being in contact with the tag. The transceiver can be coupled to various host devices in a variety of ways, including being located in a RFID reader (e.g., mobile or fixed position), a computing device, a barcode reader, etc. The transceiver can be located in an RFID module that is attachable to a host device, can be configured in the host device, or can be configured to communicate with the host device over a distance. The RFID module may include one or more antennas, such as a first antenna configured to receive a magnetic field component of an electromagnetic wave and a second antenna configured to receive an electric field component of an electromagnetic wave. The RFID module may include a detector that is configured to determine if the RFID module is positioned in proximity to an object, such as a RFID tag. The detector may operate as a trigger for the RFID module, to enable or trigger a function of the RFID module.
    • 描述了用于读取器收发器电路的方法,系统和装置。 读取器收发器电路包括频率发生器,例如表面声波(SAW)振荡器。 包括读取器收发器电路的读取器被配置为在非常接近的范围内读取标签,包括在与标签接触的同时。 收发器可以以各种方式耦合到各种主机设备,包括位于RFID读取器(例如,移动或固定位置),计算设备,条形码读取器等中。收发器可以位于RFID模块中 可附接到主机设备,可以在主机设备中配置,或者可以被配置为在一定距离上与主机设备进行通信。 RFID模块可以包括一个或多个天线,诸如被配置为接收电磁波的磁场分量的第一天线和被配置为接收电磁波的电场分量的第二天线。 RFID模块可以包括被配置为确定RFID模块是否位于诸如RFID标签之类的物体附近的检测器。 检测器可以用作RFID​​模块的触发器,以实现或触发RFID模块的功能。
    • 4. 发明申请
    • Single frequency low power RFID device
    • 单频低功率RFID设备
    • US20070222609A1
    • 2007-09-27
    • US11529733
    • 2006-09-29
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. KnadleChristopher Brock
    • Mark DuronJames GiebelDavid GorenThomas WulffRichard T. KnadleChristopher Brock
    • G08B13/14
    • G06K7/0008
    • Methods, systems, and apparatuses for a reader transceiver circuit are described. The reader transceiver circuit incorporates a frequency generator, such as a surface acoustic wave (SAW) oscillator. A reader incorporating the reader transceiver circuit is configured to read a tag at very close range, including while being in contact with the tag. The transceiver can be coupled to various host devices in a variety of ways, including being located in a RFID reader (e.g., mobile or fixed position), a computing device, a barcode reader, etc. The transceiver can be located in an RFID module that is attachable to a host device, can be configured in the host device, or can be configured to communicate with the host device over a distance. The RFID module may include one or more antennas, such as a first antenna configured to receive a magnetic field component of an electromagnetic wave and a second antenna configured to receive an electric field component of an electromagnetic wave. The RFID module may include a detector that is configured to determine if the RFID module is positioned in proximity to an object, such as a RFID tag. The detector may operate as a trigger for the RFID module, to enable or trigger a function of the RFID module.
    • 描述了用于读取器收发器电路的方法,系统和装置。 读取器收发器电路包括频率发生器,例如表面声波(SAW)振荡器。 包括读取器收发器电路的读取器被配置为在非常接近的范围内读取标签,包括在与标签接触的同时。 收发器可以以各种方式耦合到各种主机设备,包括位于RFID读取器(例如,移动或固定位置),计算设备,条形码读取器等中。收发器可以位于RFID模块中 可附接到主机设备,可以在主机设备中配置,或者可以被配置为在一定距离上与主机设备进行通信。 RFID模块可以包括一个或多个天线,诸如被配置为接收电磁波的磁场分量的第一天线和被配置为接收电磁波的电场分量的第二天线。 RFID模块可以包括被配置为确定RFID模块是否位于诸如RFID标签之类的物体附近的检测器。 检测器可以用作RFID​​模块的触发器,以实现或触发RFID模块的功能。
    • 10. 发明授权
    • Method and apparatus for providing current pulses to illumination source in imaging scanner
    • 在成像扫描仪中向照明源提供电流脉冲的方法和装置
    • US08411177B2
    • 2013-04-02
    • US12490627
    • 2009-06-24
    • James Giebel
    • James Giebel
    • H04N5/335G06K7/10
    • H05B33/0851G06K7/10732H05B33/0818
    • A method and apparatus for providing current pulses to the illumination source in an imaging scanner. The method includes: (1) sensing a current supplied from a current port to obtain a current-monitoring signal; (2) controlling a charge current provided to a storage capacitor based on the current-monitoring signal; (3) measuring a parameter related to a voltage across the storage capacitor; and (4) generating a driving current for the illumination source by the illumination driver circuit, if the parameter is above a predetermined threshold value, to provide a driving current for a illumination source in an imaging scanner.
    • 一种用于在成像扫描器中向照明源提供电流脉冲的方法和装置。 该方法包括:(1)感测从当前端口提供的电流以获得电流监测信号; (2)基于电流监视信号控制提供给存储电容器的充电电流; (3)测量与存储电容器两端的电压有关的参数; 以及(4)如果所述参数高于预定阈值,则由所述照明驱动器电路产生用于所述照明源的驱动电流,以提供成像扫描器中的照明源的驱动电流。