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    • 1. 发明申请
    • System and method for interrogating a saw via direct physical connection
    • 通过直接物理连接询问锯的系统和方法
    • US20070279188A1
    • 2007-12-06
    • US11436918
    • 2006-05-18
    • Jack ThiesenThomas WolffMonika Brogle
    • Jack ThiesenThomas WolffMonika Brogle
    • H04Q5/22
    • B60C23/0408
    • Methods for determining the resonant frequency for interrogation of a resonant device include steps for generating and coupling interrogation pulses of various bandwidths to energize one or more SAW resonator elements. Initial interrogation pulses have a relatively wide bandwidth, such that the general location of a resonant device's resonant frequency can be expediently determined. Then, interrogation pulses having smaller bandwidth pulses can be coupled to the resonant device at frequencies near the determined general location of resonance to further narrow the location of resonance. In some embodiments, one or more initial interrogation pulses are coupled to the resonant device at a frequency in the center of or at an expected value within an expected range of operation of a resonant device. If the resonant frequency is not located at this initial location, then the range of operation is divided into halves (or other number of generally equal frequency range segments) and one or more interrogation pulses are coupled to the resonant device at the center of each of the new search frequency range segments. This process of partitioning the search frequency range continues until the resonant frequency is located.
    • 用于确定用于询问谐振装置的谐振频率的方法包括用于产生和耦合各种带宽的询问脉冲以激励一个或多个SAW谐振器元件的步骤。 初始询问脉冲具有相对宽的带宽,使得可以方便地确定谐振装置的谐振频率的一般位置。 然后,具有较小带宽脉冲的询问脉冲可以以接近确定的共振位置的频率耦合到谐振装置,以进一步缩小谐振位置。 在一些实施例中,一个或多个初始询问脉冲以谐振装置的预期操作范围内的中心频率处或预期值的频率耦合到谐振装置。 如果谐振频率不在这个初始位置,则操作范围被分成两半(或其他数量的大致相等的频率范围段),并且一个或多个询问脉冲耦合到谐振装置的每一个的中心 新的搜索频段范围。 分割搜索频率范围的这个过程继续进行,直到找到谐振频率。
    • 2. 发明授权
    • Method for discharging capacitive loads
    • 放电容量负载的方法
    • US08253392B2
    • 2012-08-28
    • US12526717
    • 2008-02-22
    • Jack ThiesenDan J. Clingman
    • Jack ThiesenDan J. Clingman
    • H02J7/00H03K3/00
    • H02N2/181
    • Methods for storing electrical energy discharged from a capacitive source, embodiments including developing a capacitive load in the source and closing a switch between the capacitive source and a voltage conversion block after an output voltage of the source both exceeds a threshold value and is detected to peak. The conversion block includes an inductor and the storage device connected in series and further may include a diode connected in parallel across the inductor and the storage device. Apparatus for storing electrical energy discharged from a capacitive source include embodiments having a capacitive source configured to produce an output voltage, a switch connected to the source, an inductor connected to the switch, a storage device connected to the inductor and a controller configured to close the switch after an output voltage of the source both exceeds a threshold value and is detected to peak.
    • 用于存储从电容源放出的电能的方法,包括在所述源中开发电容性负载并且在所述源的输出电压之后闭合所述电容源和电压转换块之间的开关的实施例都超过阈值并被检测到峰值 。 转换块包​​括串联连接的电感器和存储装置,并且还可以包括并联连接在电感器和存储装置上的二极管。 用于存储从电容源放出的电能的装置包括具有被配置为产生输出电压的电容源,连接到源的开关,连接到开关的电感器,连接到电感器的存储装置和被配置为闭合的控制器 源极的输出电压之间的开关都超过阈值并被检测到峰值。
    • 6. 发明授权
    • System and method for reducing search time and increasing search accuracy during interrogation of resonant devices
    • 在谐振装置询问期间减少搜索时间和提高搜索精度的系统和方法
    • US07405675B2
    • 2008-07-29
    • US11335183
    • 2006-01-19
    • Jack ThiesenGeorge P. O'Brien
    • Jack ThiesenGeorge P. O'Brien
    • G08B21/00B60C23/00
    • B60C23/0408
    • Methods for determining the resonant frequency for interrogation of a resonant device include steps for generating and transmitting RF interrogation pulses of various bandwidths to energize one or more SAW resonator elements. Initial RF interrogation pulses have a relatively wide bandwidth, such that the general location of a resonant device's resonant frequency can be expediently determined. Then, interrogation pulses having smaller bandwidth pulses can be transmitted near the determined general location of resonance to further narrow the location of resonance. In some emodiments, one or more initial interrogation pulses are transmitted in the center of or at an expected value within a range of operation of a resonant device. If the resonant frequency is not located at this initial location, then the range of operation is divided into halves (or other number of generally equal frequency range segments) and one or more interrogation pulses are transmitted at the center of each of the new search frequency range segments. This process of partitioning the search frequency range continues until the resonant frequency is located.
    • 用于确定用于询问谐振装置的谐振频率的方法包括用于产生和发送各种带宽的RF询问脉冲以激励一个或多个SAW谐振器元件的步骤。 初始RF询问脉冲具有相对宽的带宽,使得可以方便地确定谐振装置的谐振频率的一般位置。 然后,具有较小带宽脉冲的询问脉冲可以在确定的共振位置附近传输,以进一步缩小谐振位置。 在一些实例中,一个或多个初始询问脉冲在谐振装置的操作范围内的中心或期望值处发送。 如果谐振频率不位于该初始位置,则操作范围被分成两半(或其他数量的大致相等的频率范围段),并且一个或多个询问脉冲在每个新的搜索频率的中心发送 范围段。 分割搜索频率范围的这个过程继续进行,直到找到谐振频率。
    • 7. 发明授权
    • RF calibration of saw interrogators
    • 锯式询问器的射频校准
    • US07265478B2
    • 2007-09-04
    • US10861663
    • 2004-06-04
    • Jack Thiesen
    • Jack Thiesen
    • H01L41/08
    • B60C23/0479B60C23/0449
    • Disclosed is an apparatus and methodology for insuring measurement accuracy and performance reliability in the operation of devices employed to interrogate SAW devices. The present subject matter relates to an arrangement and methodology that provides an interrogator paired together with a separate receiver, which may comprise a second interrogator, functioning together to perform a self-testing operation. The interrogator may be a handheld device that is temporarily paired with a separate receiver or a like device or the interrogator may correspond to more or less permanently paired set of devices physically placed in an array.
    • 公开了一种用于在用于询问SAW器件的装置的操作中确保测量精度和性能可靠性的装置和方法。 本主题涉及一种布置和方法,其提供与单独的接收器配对的询问器,单独的接收器可以包括第二询问器,一起起作用以执行自检操作。 询问器可以是与单独的接收器或类似设备暂时配对的手持设备,或者询问器可以对应于物理上放置在阵列中的更多或更少的永久成对的设备组。
    • 8. 发明申请
    • Piezoelectric ceramic fibers having metallic cores
    • 具有金属芯的压电陶瓷纤维
    • US20050274176A1
    • 2005-12-15
    • US10865305
    • 2004-06-10
    • Jack ThiesenJohn Adamson
    • Jack ThiesenJohn Adamson
    • B60C23/04H01L41/087H01L41/113G01M17/02E01C23/00
    • H01L41/087B60C23/0411H01L41/113
    • An enhanced piezoelectric wire structure includes an elongated portion of piezoelectric material, a metallic core, and an outer conductive sheath. The metallic core is substantially surrounded by the elongated portion of piezoelectric material and configured to function as a first electrode for the piezoelectric structure. The conductive outer sheath preferably covers selected areas of the elongated portion of piezoelectric material and functions as a second electrode for the structure. The piezoelectric material may correspond to barium titanate ceramic fibers, such that a lead-free structure is effected, however other piezoelectric materials may also be utilized. The disclosed structure can be poled with a reduced poling voltage and lower temperature level, and also requires a reduced voltage potential level required for mechanical actuation. A collection of such piezoelectric structures can be provided together in a modular patch assembly that may be formed in a variety of customized configurations for integration with various environments, and can function as a mechanical actuator device, a condition-responsive device (e.g., a sensor) and/or as a power generation device. When utilized as a power generation device, the subject piezoelectric assembly can power tire electronics components such as a revolution counter, a sensor, a rechargeable battery, a flashing light assembly, a microcontroller, a global positioning system (GPS), and a radio frequency (RF) device.
    • 增强的压电线结构包括压电材料的细长部分,金属芯和外导电护套。 金属芯基本上被压电材料的细长部分包围,并被配置为用作压电结构的第一电极。 导电外护套优选地覆盖压电材料的细长部分的选定区域并且用作该结构的第二电极。 压电材料可以对应于钛酸钡陶瓷纤维,使得实现无铅结构,然而也可以使用其它压电材料。 所公开的结构可以以降低的极化电压和较低的温度水平极化,并且还需要机械致动所需的降低的电压电位。 这样的压电结构的集合可以一起提供在模块化贴片组件中,其可以形成为用于与各种环境集成的各种定制配置,并且可以用作机械致动器装置,状态响应装置(例如,传感器 )和/或作为发电装置。 当用作发电装置时,本发明的压电组件可以为轮胎电子部件(例如转数计数器,传感器,可充电电池,闪光组件,微控制器,全球定位系统(GPS)和射频 (RF)设备。
    • 9. 发明申请
    • RF calibration of SAW interrogators
    • SAW询问器的RF校准
    • US20050273289A1
    • 2005-12-08
    • US10861663
    • 2004-06-04
    • Jack Thiesen
    • Jack Thiesen
    • G01L27/00H01L41/107H04Q5/22
    • B60C23/0479B60C23/0449
    • Disclosed is an apparatus and methodology for insuring measurement accuracy and performance reliability in the operation of devices employed to interrogate SAW devices. The present subject matter relates to an arrangement and methodology that provides an interrogator paired together with a separate receiver, which may comprise a second interrogator, functioning together to perform a self-testing operation. The interrogator may be a handheld device that is temporarily paired with a separate receiver or a like device or the interrogator may correspond to more or less permanently paired set of devices physically placed in an array.
    • 公开了一种用于在用于询问SAW器件的装置的操作中确保测量精度和性能可靠性的装置和方法。 本主题涉及一种布置和方法,其提供与单独的接收器配对的询问器,单独的接收器可以包括第二询问器,一起起作用以执行自检操作。 询问器可以是与单独的接收器或类似设备暂时配对的手持设备,或者询问器可以对应于物理上放置在阵列中的更多或更少的永久成对的设备组。