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1. 发明申请

US20120223814A1 RFID DEVICES, SYSTEMS AND METHODS FOR ACCURATE EQUIPMENT AND ASSET TRACKING 有权
标题翻译： RFID设备，系统和方法，用于精确设备和资产跟踪
公开(公告)号：US20120223814A1
公开(公告)日：2012-09-06
申请号：US13411406
申请日：2012-03-02
申请人： Dean Kawaguchi , Edward M. Farrell , Edmond Sardariani , Peter Arnold Mehring
发明人： Dean Kawaguchi , Edward M. Farrell , Edmond Sardariani , Peter Arnold Mehring
IPC分类号： G06K7/01
CPC分类号： G06Q10/0833 , G06K2017/0051 , G06Q50/28
摘要： A method according to one embodiment includes conummicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and determining whether the RTI has passed a predetermined useful lifetime thereof based on information received from the RFID tag. A method according to one embodiment includes conummicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and determining both a horizontal and vertical position of the RTI. A method according to yet another embodiment includes communicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and performing an action based at least in part on at least one of a location and a determined inactivity of the RTI.
摘要翻译：根据一个实施例的方法包括使用耦合到可重用传输物品（RTI）的射频识别（RFID）标签进行修复; 以及基于从RFID标签接收到的信息来确定RTI是否已经过了其预定的有用寿命。根据一个实施例的方法包括使用耦合到可重用传输物品（RTI）的射频识别（RFID）标签进行修复; 并确定RTI的水平和垂直位置。根据又一实施例的方法包括与耦合到可重用传输物品（RTI）的射频识别（RFID）标签通信; 以及至少部分地基于所述RTI的位置和确定的不活动中的至少一个来执行动作。

2. 发明申请

US20090267737A1 RFID SYSTEM WITH DISTRIBUTED READERS 有权
标题翻译：具有分布式读取器的RFID系统
公开(公告)号：US20090267737A1
公开(公告)日：2009-10-29
申请号：US12111808
申请日：2008-04-29
申请人： Dean Kawaguchi , Edward M. Farrell
发明人： Dean Kawaguchi , Edward M. Farrell
IPC分类号： H04Q5/22
CPC分类号： H04Q9/00 , H04Q2209/47 , H04Q2209/886
摘要： A system in one embodiment includes a plurality of Radio Frequency Identification (RFID) readers, each reader being capable of using a single antenna for both transmit and receive functions, wherein, during operation, one of the readers transmits and at least another of the readers receives a response to the transmission from an RFID device. A system in another embodiment includes a plurality of Radio Frequency Identification (RFID) readers, each reader having at least one antenna mounted on a housing thereof, wherein, during operation, the reader transmitting emits a signal sufficient to communicate with a battery assisted passive RFID device at a range of at least 20 meters. Additional systems and methods are also presented.
摘要翻译：一个实施例中的系统包括多个射频识别（RFID）读取器，每个读取器能够使用单个天线用于发射和接收功能，其中，在操作期间，读取器之一传输和至少另一个读取器从RFID设备接收对传输的响应。另一实施例中的系统包括多个射频识别（RFID）读取器，每个读取器具有安装在其外壳上的至少一个天线，其中在操作期间，读取器发射发出足以与电池辅助无源RFID通信的信号设备在至少20米的范围内。还介绍了其他系统和方法。

3. 发明授权

US08717144B2 RFID system with distributed readers 有权
标题翻译：具有分布式读取器的RFID系统
公开(公告)号：US08717144B2
公开(公告)日：2014-05-06
申请号：US12111808
申请日：2008-04-29
申请人： Dean Kawaguchi , Edward M. Farrell
发明人： Dean Kawaguchi , Edward M. Farrell
IPC分类号： H04Q5/22
CPC分类号： H04Q9/00 , H04Q2209/47 , H04Q2209/886
摘要： A system in one embodiment includes a plurality of Radio Frequency Identification (RFID) readers, each reader being capable of using a single antenna for both transmit and receive functions, wherein, during operation, one of the readers transmits and at least another of the readers receives a response to the transmission from an RFID device. A system in another embodiment includes a plurality of Radio Frequency Identification (RFID) readers, each reader having at least one antenna mounted on a housing thereof, wherein, during operation, the reader transmitting emits a signal sufficient to communicate with a battery assisted passive RFID device at a range of at least 20 meters. Additional systems and methods are also presented.
摘要翻译：一个实施例中的系统包括多个射频识别（RFID）读取器，每个读取器能够使用单个天线用于发射和接收功能，其中，在操作期间，读取器之一传输和至少另一个读取器从RFID设备接收对传输的响应。另一实施例中的系统包括多个射频识别（RFID）读取器，每个读取器具有安装在其外壳上的至少一个天线，其中在操作期间，读取器发射发出足以与电池辅助无源RFID通信的信号设备在至少20米的范围内。还介绍了其他系统和方法。

4. 发明授权

US08994502B2 RFID devices, systems and methods for accurate equipment and asset tracking 有权
标题翻译： RFID设备，系统和方法，用于准确的设备和资产跟踪
公开(公告)号：US08994502B2
公开(公告)日：2015-03-31
申请号：US13411406
申请日：2012-03-02
申请人： Dean Kawaguchi , Edward M. Farrell , Edmond Sardariani , Peter Arnold Mehring
发明人： Dean Kawaguchi , Edward M. Farrell , Edmond Sardariani , Peter Arnold Mehring
IPC分类号： G06K7/01 , G06Q10/08 , G06Q50/28 , G06K17/00
CPC分类号： G06Q10/0833 , G06K2017/0051 , G06Q50/28
摘要： A method according to one embodiment includes conummicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and determining whether the RTI has passed a predetermined useful lifetime thereof based on information received from the RFID tag. A method according to one embodiment includes conummicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and determining both a horizontal and vertical position of the RTI. A method according to yet another embodiment includes communicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and performing an action based at least in part on at least one of a location and a determined inactivity of the RTI.
摘要翻译：根据一个实施例的方法包括使用耦合到可重用传输物品（RTI）的射频识别（RFID）标签进行修复; 以及基于从RFID标签接收到的信息来确定RTI是否已经过了其预定的有用寿命。根据一个实施例的方法包括使用耦合到可重用传输物品（RTI）的射频识别（RFID）标签进行修复; 并确定RTI的水平和垂直位置。根据又一实施例的方法包括与耦合到可重用传输物品（RTI）的射频识别（RFID）标签通信; 以及至少部分地基于所述RTI的位置和确定的不活动中的至少一个来执行动作。

5. 发明授权

US08731118B2 Data clock recovery loop jam set using subcarrier frequency estimate 有权
标题翻译：数据时钟恢复环路阻塞设置使用子载波频率估计
公开(公告)号：US08731118B2
公开(公告)日：2014-05-20
申请号：US13165720
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04B1/10
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for jam setting an initial frequency of a data clock recovery loop according to one embodiment includes generating a frequency error signal in a frequency error detector from sideband signals within a backscattered radio frequency signal, wherein the frequency error accumulates in a frequency error filter coupled to an output of the frequency error detector; at about an end of an acquisition period, freezing the accumulated frequency error in the frequency error filter; and using the frozen accumulated frequency error to jam set an initial frequency of a data clock recovery loop. Such methodology may also be implemented as a system using logic for performing the various operations. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于阻塞设置数据时钟恢复环路的初始频率的方法包括在反向散射射频信号中的边带信号中产生频率误差检测器中的频率误差信号，其中频率误差累积在耦合的频率误差滤波器到频率误差检测器的输出; 在收集周期结束时，冻结频率误差滤波器中的累积频率误差; 并使用冻结的累积频率误差来设定数据时钟恢复循环的初始频率。这种方法也可以被实现为使用用于执行各种操作的逻辑的系统。还介绍了其他系统和方法。

6. 发明授权

US08391824B2 End of modulation detection 有权
标题翻译：结束调制检测
公开(公告)号：US08391824B2
公开(公告)日：2013-03-05
申请号：US13165745
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04B1/16 , H04L27/00 , H04Q5/22
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for detecting an end of modulation in a backscattered radio frequency signal according to one embodiment includes generating a fast average of a magnitude or power of an incoming signal; generating a slow average of the magnitude or power of the incoming signal; determining an end of modulation based on a relationship between the fast and slow averages; and outputting an end of modulation signal upon determining the end of modulation. A system for detecting an end of modulation in a backscattered radio frequency signal according to one embodiment includes a window integrator for generating a fast moving average of a magnitude or power of an incoming signal; a leaky integrator for generating a slow moving average of the magnitude or power of the incoming signal; logic for determining an end of modulation when the fast moving average crosses below the slow moving average; and logic for outputting an end of modulation signal. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于检测反向散射射频信号中的调制结束的方法包括产生输入信号的幅度或功率的快速平均值; 产生进入信号的幅度或功率的缓慢平均值; 基于快速和慢速平均值之间的关系确定调制结束; 并且在确定调制结束时输出调制信号的结束。根据一个实施例的用于检测反向散射射频信号中的调制结束的系统包括：窗口积分器，用于产生输入信号的幅度或功率的快速移动平均值; 用于产生输入信号的幅度或功率的缓慢移动平均值的泄漏积分器; 当快速移动平均线越过低速移动平均线时，确定调制结束的逻辑; 以及用于输出调制信号的结束的逻辑。还介绍了其他系统和方法。

7. 发明申请

US20120002763A1 HALF BIT CORRELATOR COMBINING FOR DATA DEMODULATION 有权
标题翻译：组合数据解调器的半双工相关器
公开(公告)号：US20120002763A1
公开(公告)日：2012-01-05
申请号：US13165734
申请日：2011-06-21
申请人： Dean Kawaguchi
发明人： Dean Kawaguchi
IPC分类号： H04L27/06
CPC分类号： G06K7/0008 , G06K19/0723 , H04Q2213/13095
摘要： A method for demodulating a data signal according to one embodiment includes processing baseband signals using multiple complex correlators each having a half-Tbit length; summing outputs of the complex correlators for a first data state; and differencing outputs of the complex correlators for a second data state. A system for demodulating a data signal according to one embodiment includes a correlator module having logic for: processing baseband signals using multiple complex correlators each having a half-Tbit length; summing outputs of the complex correlators for a first data state; and differencing outputs of the complex correlators for a second data state. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的用于解调数据信号的方法包括：使用具有半Tbit长度的多个复相关器处理基带信号; 对第一数据状态的复相关器的输出求和; 以及用于第二数据状态的复数相关器的差分输出。根据一个实施例的用于解调数据信号的系统包括具有逻辑的相关器模块，用于：使用具有半Tbit长度的多个复相关器来处理基带信号; 对第一数据状态的复相关器的输出求和; 以及用于第二数据状态的复数相关器的差分输出。还介绍了其他系统和方法。

8. 发明授权

US07250906B2 Methods and apparatus for identifying asset location in communication networks 有权
标题翻译：用于识别通信网络中的资产位置的方法和装置
公开(公告)号：US07250906B2
公开(公告)日：2007-07-31
申请号：US11347095
申请日：2006-02-03
申请人： David P. Goren , Dean Kawaguchi , Raj Bridgelall , Benjamin J. Bekritsky , Chris Zegelin
发明人： David P. Goren , Dean Kawaguchi , Raj Bridgelall , Benjamin J. Bekritsky , Chris Zegelin
IPC分类号： G01S1/24
CPC分类号： H04L65/1043 , G01S1/026 , G01S5/021 , G01S5/06 , G06F1/1626 , G06F1/1639 , G06F3/0481 , G06F21/305 , G06F21/6209 , G06F21/74 , G06F21/88 , G06F2221/2105 , G06F2221/2115 , G11B20/10009 , G11B20/10425 , G11B20/22 , H03L7/091 , H04B7/2628 , H04B7/2687 , H04B10/25754 , H04J3/0658 , H04J13/0077 , H04J13/16 , H04L1/0066 , H04L1/0068 , H04L1/1685 , H04L1/1841 , H04L9/085 , H04L9/304 , H04L12/4641 , H04L25/03038 , H04L25/4902 , H04L25/4904 , H04L25/497 , H04L27/156 , H04L29/06027 , H04L29/12471 , H04L41/06 , H04L41/5009 , H04L43/0829 , H04L47/15 , H04L47/70 , H04L47/72 , H04L47/745 , H04L47/765 , H04L47/822 , H04L47/824 , H04L51/04 , H04L51/28 , H04L51/38 , H04L61/2553 , H04L63/126 , H04L65/1006 , H04L65/1016 , H04L65/4061 , H04M1/72519 , H04M1/72533 , H04M3/42221 , H04M7/0057 , H04M7/1295 , H04N1/00957 , H04N1/32106 , H04N1/40 , H04N5/2251 , H04N5/2257 , H04N5/38 , H04N5/4401 , H04N5/4448 , H04N5/445 , H04N5/45 , H04N5/46 , H04N5/64 , H04N5/66 , H04N5/76 , H04N5/775 , H04N5/85 , H04N5/907 , H04N7/0112 , H04N7/0122 , H04N7/163 , H04N7/17327 , H04N9/3129 , H04N9/642 , H04N9/7925 , H04N9/8042 , H04N19/109 , H04N19/139 , H04N19/51 , H04N19/517 , H04N19/527 , H04N19/625 , H04N19/70 , H04N19/91 , H04N21/2543 , H04N21/4181 , H04N21/433 , H04N21/4623 , H04N21/47211 , H04N21/6175 , H04N21/6187 , H04N21/6582 , H04N2201/0094 , H04N2201/3212 , H04N2201/3222 , H04N2201/3274 , H04Q3/0025 , H04W4/10 , H04W4/12 , H04W4/14 , H04W8/245 , H04W8/26 , H04W8/265 , H04W12/10 , H04W24/00 , H04W28/00 , H04W28/18 , H04W28/26 , H04W36/02 , H04W40/00 , H04W48/08 , H04W52/30 , H04W56/00 , H04W64/00 , H04W72/042 , H04W74/008 , H04W74/0833 , H04W76/10 , H04W76/12 , H04W76/18 , H04W76/30 , H04W76/34 , H04W76/45 , H04W84/042 , H04W84/08 , H04W84/12 , H04W88/06 , H04W88/085 , H04W88/16 , Y10S370/906 , Y10S370/907 , Y10S707/99943
摘要： The location of unmodified wireless assets in a wireless communication network may be identified using time differences of arrivals of a communication sequence at different network receivers. Time-stamping devices may include correlator circuits in parallel with signal decoders to time-stamp communication sequences. Cellular wireless networks may be frequency-multiplexed to increase spatial time-stamping density. Tags may be attached to passive assets to provide location identification information to network devices. Locations of assets broadcasting standard 802.11 radio frequency structures may be identified. Noise inherent in correlating a communication sequence may be reduced by using a selected correlation function.
摘要翻译：可以使用在不同网络接收机处的通信序列的到达时间差来识别未修改的无线资产在无线通信网络中的位置。时间戳装置可以包括与信号解码器并行的相关器电路以对通信序列进行时间戳。蜂窝无线网络可以被频率复用以增加空间时间戳密度。标签可以附加到被动资产，以向网络设备提供位置识别信息。可以识别广播标准802.11射频结构的资产的位置。可以通过使用所选择的相关函数来减少关联通信序列固有的噪声。

9. 发明申请

US20070121558A1 System and method for data communication in a wireless network 有权
标题翻译：无线网络中数据通信的系统和方法
公开(公告)号：US20070121558A1
公开(公告)日：2007-05-31
申请号：US11290920
申请日：2005-11-30
申请人： Robert Beach , Dean Kawaguchi , Ramesh Sekhar
发明人： Robert Beach , Dean Kawaguchi , Ramesh Sekhar
IPC分类号： H04Q7/24
CPC分类号： H04L63/0428 , H04L45/02
摘要： Described is a system comprising a first wireless device and a second wireless device. The first device has access to a packet routing table which includes data indicative of a packet transmission path in a wireless mesh communications network. The second wireless device is communicatively coupled to the first device and has access to the routing table. Upon receipt of a packet by the first device which is addressed to the second device, the first device determines, as a function of at least one of (i) the routing table and (ii) a first identifier of the second device, a second identifier of a third wireless device to receive the packet directly from the first device. At least one of the first, second and third devices updates the routing table.
摘要翻译：描述了包括第一无线设备和第二无线设备的系统。第一设备可访问分组路由表，其包括指示无线网状通信网络中的分组传输路径的数据。第二无线设备通信地耦合到第一设备并且具有对路由表的访问。在由第一设备接收到分组到第二设备时，第一设备根据（i）路由表和（ii）第二设备的第一标识符中的至少一个确定第二设备的第二标识符，用于从第一设备直接接收分组的第三无线设备的标识符。第一，第二和第三设备中的至少一个更新路由表。

10. 发明申请

US20070097912A1 Method and system for managing multi-channel communication 有权
标题翻译：多通道通讯管理方法及系统
公开(公告)号：US20070097912A1
公开(公告)日：2007-05-03
申请号：US11267696
申请日：2005-11-03
申请人： Dean Kawaguchi , Vinh-Phuong Tra Le
发明人： Dean Kawaguchi , Vinh-Phuong Tra Le
IPC分类号： H04Q7/00 , H04Q7/24
CPC分类号： H04W72/06 , H04W84/12
摘要： Described is a system and method for managing multi-channel communication. The system includes a plurality of wireless devices communicating by utilizing at least one wireless communications channels. A network management arrangement controls allocation of the wireless communications channels and divides the wireless channels into a first channel pool and a second channel pool. The second pool including at least one channel. The arrangement utilizes the second pool only upon detection of a predetermined condition.
摘要翻译：描述了一种用于管理多信道通信的系统和方法。该系统包括通过利用至少一个无线通信信道进行通信的多个无线设备。网络管理装置控制无线通信信道的分配，并将无线信道划分成第一信道池和第二信道池。第二个池包括至少一个通道。该装置仅在检测到预定条件时才利用第二池。

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