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    System and method for asset location in wireless networks
    11.
    发明申请
    System and method for asset location in wireless networks 有权
    无线网络中资产定位的系统和方法

    公开(公告)号：US20070105566A1

    公开(公告)日：2007-05-10

    申请号：US11635099

    申请日：2006-12-07

    申请人： Jacob Sharony ,  Joseph Katz

    发明人： Jacob Sharony ,  Joseph Katz

    IPC分类号： H04Q7/20

    CPC分类号： G01S5/06 ,  G01S5/0252 ,  H04W4/029 ,  H04W4/043 ,  H04W64/00

    摘要： A computing arrangement for determining a location of a wireless communications device includes a memory arrangement, a communication arrangement and a processor. The memory arrangement stores a location of each of at least three access points. The communication arrangement receives first data which includes at least one of first signal strength data and second signal strength data. The first signal strength data is indicative of a strength of a first signal transmitted by the device and received by the at least three access points. The second signal strength data is indicative of a strength of a second signal transmitted by the at least three access points and received by the device. The processor determines a location area of the device as a function of the first data and the location of each of the at least three access points, the location area being within a predetermined reception range of the at least three access points. The processor determines the location of the device within the location area as a function of second data. The second data is indicative of a travel time of a third signal from the device to each of the at least three access points.

    摘要翻译： 用于确定无线通信设备的位置的计算装置包括存储器装置，通信装置和处理器。 存储装置存储至少三个接入点中的每一个的位置。 通信装置接收包括第一信号强度数据和第二信号强度数据中的至少一个的第一数据。 第一信号强度数据指示由设备发送并由至少三个接入点接收的第一信号的强度。 第二信号强度数据指示由至少三个接入点发送并由设备接收的第二信号的强度。 所述处理器根据所述第一数据和所述至少三个接入点中的每一个的位置来确定所述设备的位置区域，所述位置区域在所述至少三个接入点的预定接收范围内。 处理器根据第二数据确定设备在位置区域内的位置。 第二数据表示从设备到至少三个接入点中的每一个的第三信号的行进时间。

    Laser projection display
    13.
    发明申请
    Laser projection display 有权
    激光投影显示

    公开(公告)号：US20050140832A1

    公开(公告)日：2005-06-30

    申请号：US10883479

    申请日：2004-06-30

    申请人： Ron Goldman ,  Paul Dvorkis ,  Joseph Katz ,  Narayan Nambudiri ,  Miklos Stern ,  Chinh Tan ,  Carl Wittenberg ,  Frederick Wood ,  Dmitry Yavid

    发明人： Ron Goldman ,  Paul Dvorkis ,  Joseph Katz ,  Narayan Nambudiri ,  Miklos Stern ,  Chinh Tan ,  Carl Wittenberg ,  Frederick Wood ,  Dmitry Yavid

    IPC分类号： G02B26/10 ,  G03B21/00 ,  H04N9/31 ,  H04N17/00 ,  H04N3/23 ,  H01S3/10

    CPC分类号： H04N9/3129

    摘要： A method and apparatus are provided for controlling the operation of a Laser Projection Display (LPD). Generally, the LPD is comprised of a laser, an optical system and a controller. The laser is adapted to emit a beam of laser light. The optical system is adapted to scan the beam of laser light on a display surface in a two-dimensional raster pattern. The controller is adapted to control the rate at which the laser beam is scanned to produce regions of varying resolution on the display surface. The controller is also adapted to present laser light onto the display surface within only selected portions of the two-dimensional raster scan pattern so that spaced apart image regions may be created.

    摘要翻译： 提供了一种用于控制激光投影显示器（LPD）的操作的方法和装置。 通常，LPD由激光器，光学系统和控制器组成。 激光器适于发射激光束。 光学系统适于以二维光栅图案扫描显示表面上的激光束。 控制器适于控制激光束被扫描的速率，以在显示表面上产生不同分辨率的区域。 该控制器还适于在仅在二维光栅扫描图案的选定部分内的显示表面上呈现激光，使得可以产生间隔开的图像区域。

    Scan module for a bar code reader with a magnifying lens
    14.
    发明授权
    Scan module for a bar code reader with a magnifying lens 失效
    具有放大镜的条形码读取器的扫描模块

    公开(公告)号：US06879418B2

    公开(公告)日：2005-04-12

    申请号：US10616363

    申请日：2003-07-09

    申请人： Jerome Swartz ,  Miklos Stern ,  Joseph Katz ,  Yajun Li

    发明人： Jerome Swartz ,  Miklos Stern ,  Joseph Katz ,  Yajun Li

    IPC分类号： G06K7/10 ,  G02B26/08

    CPC分类号： G06K7/10811 ,  G06K7/10653

    摘要： A scan module for use in a bar code reader including a base, a light source, a focusing lens, a scan mirror mounted for oscillatory motion relative to the base so as to create a scanner laser beam, and a magnifying lens for magnifying the angle of reflection of a light beam from the light source off the scan mirror.

    摘要翻译： 一种用于条形码读取器的扫描模块，包括基座，光源，聚焦透镜，安装成相对于基座摆动的扫描镜，以便产生扫描仪激光束;以及放大镜，用于放大角度 反射来自光源的光束离开扫描镜。

    Porous, lubricated nozzle for abrasive fluid suspension jet
    15.
    发明授权
    Porous, lubricated nozzle for abrasive fluid suspension jet 失效
    用于研磨液悬浮喷嘴的多孔润滑喷嘴

    公开(公告)号：US06688947B2

    公开(公告)日：2004-02-10

    申请号：US10067591

    申请日：2002-02-05

    申请人： Umang Anand ,  Joseph Katz

    发明人： Umang Anand ,  Joseph Katz

    IPC分类号： B24B100

    CPC分类号： B24C1/045 ,  Y10T83/0591 ,  Y10T137/0469

    摘要： A nozzle apparatus for use with an abrasive fluid jet cutting system, and its method of construction and operation, are disclosed that reduce the wear and erosion problems typically experienced in the cutting jet's nozzle. This improved nozzle apparatus comprises (a) a nozzle having an entry port for receiving a slurry consisting of a carrier fluid and abrasive particles, an inner wall for directing the flow of the slurry, and an outlet port through which the slurry exits the nozzle, (b) wherein at least a portion of the nozzle wall is porous, and (c) a lubricating fluid chamber that surrounds the porous portion of the outer wall of the nozzle, the chamber having a port where a lubricating fluid enters the chamber, with the chamber port connecting to an input pipe which connects to a filter for filtering contaminants that might clog the pores of the porous portion of the nozzle. The nozzle operates by having the lubricating fluid pass from the lubricating reservoir and through the porous wall to lubricate at least a portion of the surface of the nozzle inner wall so as to resist erosion of the wall, as well as result in an abrasive slurry jet with improved coherence and cutting efficiency.

    摘要翻译： 公开了一种用于磨料流体射流切割系统的喷嘴装置及其结构和操作方法，其减少了切割喷嘴喷嘴中通常经历的磨损和侵蚀问题。 这种改进的喷嘴装置包括（a）喷嘴，其具有用于接收由载体流体和磨料颗粒组成的浆料的入口，用于引导浆料流动的内壁和浆料离开喷嘴的出口， （b）其中所述喷嘴壁的至少一部分是多孔的，以及（c）围绕所述喷嘴的外壁的多孔部分的润滑流体室，所述室具有润滑流体进入所述室的端口， 连接到输入管的室口连接到过滤器，用于过滤可能堵塞喷嘴的多孔部分的孔的污染物。 喷嘴通过使润滑流体从润滑储存器通过并穿过多孔壁以润滑喷嘴内壁的表面的至少一部分以便抵抗壁的侵蚀，并且导致磨料浆料喷射 具有改进的一致性和切割效率。

    Statistical sampling security methodology for self-scanning checkout system
    16.
    发明授权
    Statistical sampling security methodology for self-scanning checkout system 有权
    自动扫描结帐系统的统计抽样安全方法

    公开(公告)号：US06672506B2

    公开(公告)日：2004-01-06

    申请号：US09977477

    申请日：2001-10-15

    申请人： Jerome Swartz ,  Stephen J. Shellhammer ,  Joseph Katz ,  Theo Pavlidis ,  John Woffinden ,  Judith Murrah ,  Edward Beadle ,  Raj Bridgelall

    发明人： Jerome Swartz ,  Stephen J. Shellhammer ,  Joseph Katz ,  Theo Pavlidis ,  John Woffinden ,  Judith Murrah ,  Edward Beadle ,  Raj Bridgelall

    IPC分类号： G06K1500

    CPC分类号： G06Q30/06 ,  G07G1/0054 ,  G07G3/003

    摘要： A statistical basis for use in a self-scanning checkout system determines how many items to check in a shopper's shopping cart for incorrect or missing scans as well as which particular or types of items to check to determine if they were properly scanned, if the shopper is determined to be audited. The present invention does not audit every customer, but rather determines whether a given shopper or customer is to be audited on a given shopping trip based upon obtaining a minimum checkout loss for such customer. The methodology determines how many items to check for a given shopper as well as which particular items to check for that shopper. The following factors attempt to model the real world of shopping and may be considered, alone or in varying combinations, in determining the number of items to check for a particular shopping transaction: shopper frequency; queue length; prior audit history; store location; time of day, day of week, date of year; number of times items are returned to shelf during shopping; dwell time between scans; customer loyalty; store shopping activity and other factors. Using statistical decision theory for auditing policies a minimum loss per shopper transaction improves the security and reduces the labor of self-check out without being too intrusive to customers.

    摘要翻译： 用于自动扫描结帐系统的统计基础确定购物者购物车中检查不正确或缺少扫描的物品以及要检查的哪些特定或类型的物品，以确定它们是否被正确扫描，如果购物者 决定被审计。 本发明不审核每个客户，而是基于获得这样的客户的最小结账损失来确定给定的购物者或客户是否将在给定的购物行程上被审核。 该方法确定了为特定购物者检查多少项目，以及哪些特定项目来检查购物者。 以下因素试图建模购物的真实世界，并且可以单独地或以不同的组合来考虑确定特定购物交易的项目数量：购物者频率; 队列长度 以前的审计历史; 商店位置; 时间，星期几，日期; 商品在购物时返回货架的次数; 停留扫描之间的时间; 客户忠诚度; 商店购物活动等因素。 使用统计决策理论对审计政策，每个购物者交易的最小损失提高了安全性，减少了自我检查的劳动，而不会太多侵入客户。

    Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology
    18.
    发明授权
    Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology 失效
    使用电荷耦合器件和扫描激光束技术读取标记的装置和方法

    公开(公告)号：US06398112B1

    公开(公告)日：2002-06-04

    申请号：US09540404

    申请日：2000-03-31

    申请人： Yajun Li ,  Joseph Katz ,  Jerome Swartz ,  Edward Barkan

    发明人： Yajun Li ,  Joseph Katz ,  Jerome Swartz ,  Edward Barkan

    IPC分类号： G06K710

    CPC分类号： G06K7/1092 ,  G06K7/10811 ,  G06K2207/1011 ,  G06K2207/1018

    摘要： A scanning device for reading indicia of differing light reflectivity, including bar code or matrix array symbols, has a single light emitter, such as a laser or light emitting diode, for generating a scanning light beam to visually illuminate sequential portions of the indicia. A sensor, such as a charge coupled or other solid state imaging device, simultaneously detects light reflected from portions of the indicia and generates an electrical signal representative of the spacial intensity variations the portions of the indicia. The scanning device may also include an ambient light sensor, and a second light emitter for use only in aiming or orienting the scanning device. A photodetector may also be provided to separately detect one symbol virtually simultaneous with the detection of another symbol by the sensor or to provide dual modalities. A method for reading indicia is also provided.

    摘要翻译： 用于读取不同光反射率的标记（包括条形码或矩阵阵列符号）的扫描装置具有用于产生扫描光束以目视照亮标记的顺序部分的单个光发射器，例如激光或发光二极管。 诸如电荷耦合或其它固态成像装置的传感器同时检测从标记的部分反射的光，并产生代表标记部分的空间强度变化的电信号。 扫描装置还可以包括环境光传感器和仅用于瞄准或定向扫描装置的第二光发射器。 还可以提供光电检测器以与传感器检测另一个符号同时检测一个符号，或提供双重方式。 还提供了读取标记的方法。

    Bar code scanner utilizing multiple light beams output by a light beam splitter
    19.
    发明授权
    Bar code scanner utilizing multiple light beams output by a light beam splitter 有权
    条形码扫描器利用由光束分离器输出的多个光束

    公开(公告)号：US06247648B1

    公开(公告)日：2001-06-19

    申请号：US09301633

    申请日：1999-04-29

    申请人： Joseph Katz ,  Boris Metlitsky ,  Emanuel Marom

    发明人： Joseph Katz ,  Boris Metlitsky ,  Emanuel Marom

    IPC分类号： G06K710

    CPC分类号： G06K7/10831

    摘要： A bar code scanner and method for scanning a bar code symbol that splits a light beam using a liquid crystal device and directs the split light beams toward a bar code symbol using a moveable mirror. The light reflected by the symbol from each of the split light beams is summed and converted to an electrical signal indicative of the bar code symbol. The electrical signal is processed to decode the bar code symbol, but, if decoding is unsuccessful, the liquid crystal device is changed to affect the number of split light beams incident on the bar code symbol.

    摘要翻译： 一种条形码扫描器和方法，用于扫描使用液晶装置分割光束的条形码符号，并使用可移动反射镜将分束光束引向条形码符号。 从每个分束光束的符号反射的光被相加并转换成指示条形码符号的电信号。 处理电信号以解码条形码符号，但是如果解码不成功，则改变液晶装置以影响入射在条形码符号上的分束光束的数量。