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21 条记录 (耗时 0.022 秒)

    Photodetector for use in reading optical information symbols
    2.
    发明授权
    Photodetector for use in reading optical information symbols 失效
    用于读取光学信息符号的光电检测器

    公开(公告)号：US5506392A

    公开(公告)日：1996-04-09

    申请号：US314519

    申请日：1994-09-28

    申请人： Edward Barkan ,  David P. Goren ,  Joseph Katz ,  Yajun Li ,  Jerome Swartz ,  Thomas Mazz

    发明人： Edward Barkan ,  David P. Goren ,  Joseph Katz ,  Yajun Li ,  Jerome Swartz ,  Thomas Mazz

    IPC分类号： G06K7/015 ,  G06K7/10 ,  G06K7/14

    CPC分类号： G06K7/10881 ,  G06K7/10623 ,  G06K7/10801 ,  G06K7/14

    摘要： A bar code reader capable of working over a wider range of working angle and for a wider range of bar code densities, using improved optics and sensing elements. The optics and sensing elements and/or the associated circuitry are arranged to provide two channels of data derived from the scanned bar code. The two channels have differing resolutions. Analysis of the data from the two channels provides a single decoded result. As the working angle and density vary at least one of the resolutions will be appropriate for sensing all or most of the bar coded data. The data from the channel producing a valid result can be used, or if neither channel produces a valid result by itself, data from each channel can be analyzed and valid portions of the data from both channels combined to produce the single decoded result. The different resolution of the two channels can be provided using different size photodetection areas, e.g., small and large groups of active areas on a sensor array.

    摘要翻译： 使用改进的光学元件和传感元件，能够在更宽范围的工作角度和更宽范围的条形码密度下工作的条形码阅读器。 光学和感测元件和/或相关联的电路被布置成提供从扫描的条形码导出的两个通道的数据。 两个通道具有不同的分辨率。 来自两个通道的数据的分析提供单个解码结果。 由于工作角和密度变化，分辨率中的至少一个将适合于感测所有或大部分条形码数据。 可以使用来自产生有效结果的信道的数据，或者如果两个信道本身都没有产生有效结果，则可以分析来自每个信道的数据，并且将来自两个信道的数据的有效部分组合以产生单个解码结果。 可以使用不同尺寸的光电检测区域（例如传感器阵列上的小和大的有效区域组）来提供两个通道的不同分辨率。

    Maintenance termination unit
    3.
    发明授权
    Maintenance termination unit 失效
    维护终端单元

    公开(公告)号：US4626632A

    公开(公告)日：1986-12-02

    申请号：US760055

    申请日：1985-07-25

    申请人： Thomas Mazz

    发明人： Thomas Mazz

    IPC分类号： H04M3/30 ,  H04B3/46 ,  H03K17/72

    CPC分类号： H04M3/301

    摘要： An improved and simplified voltage sensitive switching unit for opening a telephone subscriber pair at the line of demarcation for purposes of conducting line tests of the pair from the telephone central office to determine the state of the line. Relatively complex prior art circuitry is replaced by a combination of inexpensive solid state devices which eliminates the need for a prior art combination of diode bridge and transistor switching network.

    摘要翻译： 一种改进和简化的电压敏感开关单元，用于在分界线处打开电话用户对，以便从电话中心局进行线对测试以确定线路的状态。 相对复杂的现有技术电路由便宜的固态器件的组合代替，这消除了对二极管电桥和晶体管交换网络的现有技术组合的需要。

    Piezoelectric motor drive circuit and method
    4.
    发明授权
    Piezoelectric motor drive circuit and method 有权
    压电电机驱动电路及方法

    公开(公告)号：US07227294B2

    公开(公告)日：2007-06-05

    申请号：US11119060

    申请日：2005-04-29

    申请人： Thomas Mazz ,  Dmitriy Yavid ,  Frederick F. Wood

    发明人： Thomas Mazz ,  Dmitriy Yavid ,  Frederick F. Wood

    IPC分类号： H01L41/09

    CPC分类号： H01L41/042 ,  G09G3/002 ,  G09G2340/145 ,  H04N9/3129

    摘要： A piezoelectric transducer is driven to mechanically oscillate a mirror at a mechanical resonant frequency with high precision despite frequency variations introduced by temperature, tolerances and ageing of components. Switches are actuated at different times in order to make the drive frequency correspond to the mechanical resonant frequency.

    摘要翻译： 驱动压电换能器以机械振荡机械谐振频率的高精度的振荡器，尽管由温度，容差和元件老化引起的频率变化。 开关在不同时间启动，以使驱动频率对应于机械谐振频率。

    Laser scanner using two scan motors independently controlled by a single signal
    5.
    发明授权
    Laser scanner using two scan motors independently controlled by a single signal 失效
    激光扫描仪使用独立由单个信号控制的两个扫描电机

    公开(公告)号：US5266787A

    公开(公告)日：1993-11-30

    申请号：US640252

    申请日：1991-01-11

    申请人： Thomas Mazz ,  Anthony Fama ,  Frederick Helm

    发明人： Thomas Mazz ,  Anthony Fama ,  Frederick Helm

    IPC分类号： G06K7/10 ,  H02P5/46

    CPC分类号： G06K7/10851 ,  H02P5/46 ,  G06K2207/1016

    摘要： A dual motor speed control circuit for providing independent speed control of two motors in a laser scanning device is disclosed herein. This apparatus utilizes a single input signal having variable frequency and duty cycle components. The speed of the first motor is controlled by utilizing the frequency component of said input signal while the speed of the second motor is controlled by utilizing the frequency and duty cycle components of said input signal. Specifically, a DC signal is generated that is dependent upon the duty cycle component of said input signal and said DC signal is utilized to offset the speed of the second motor from the speed value as determined by the frequency component of said input signal.

    摘要翻译： 本文公开了一种用于在激光扫描装置中提供两个电动机的独立速度控制的双电动机速度控制电路。 该装置利用具有可变频率和占空比分量的单个输入信号。 通过利用所述输入信号的频率分量来控制第一电动机的速度，同时通过利用所述输入信号的频率和占空比分量来控制第二电动机的速度。 具体地说，产生依赖于所述输入信号的占空比分量的DC信号，并且利用所述DC信号将第二电动机的速度与由所述输入信号的频率分量确定的速度值相抵消。

    Scanning devices and methods using surface emitting laser diodes
    6.
    发明申请
    Scanning devices and methods using surface emitting laser diodes 审中-公开
    使用表面发射激光二极管的扫描装置和方法

    公开(公告)号：US20080308639A1

    公开(公告)日：2008-12-18

    申请号：US12221848

    申请日：2008-08-07

    申请人： Miklos Stern ,  Chinh Tan ,  Yajun Li ,  Howard Shepard ,  Thomas Mazz ,  Eric Barkan ,  Vikram Bhargava ,  Andrew Fusco ,  Mark Weitzner

    发明人： Miklos Stern ,  Chinh Tan ,  Yajun Li ,  Howard Shepard ,  Thomas Mazz ,  Eric Barkan ,  Vikram Bhargava ,  Andrew Fusco ,  Mark Weitzner

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10702 ,  G06K7/10742

    摘要： A bar code scanning device, system and method that utilizes one or more vertical cavity surface emitting laser diodes for producing at least one laser beam, where the vertical cavity surface emitting laser diodes are disposed on a substrate, and wherein the produced laser beam is substantially an essential single spatial mode laser beam. The bar code scanning device, system and method of present invention also comprise a photodiode attached to the substrate and arranged to receive at least a portion of the beam of light reflected off the scanned bar code or symbol.

    摘要翻译： 一种条形码扫描装置，系统和方法，其利用一个或多个垂直腔表面发射激光二极管来产生至少一个激光束，其中垂直腔表面发射激光二极管设置在衬底上，并且其中所产生的激光束基本上 一个基本的单一空间模式激光束。 本发明的条形码扫描装置，系统和方法还包括光电二极管，其附接到基板并被布置成接收从扫描的条形码或符号反射的光束的至少一部分。

    Automatically selectable range laser scanner
    7.
    发明授权
    Automatically selectable range laser scanner 失效
    自动选择范围激光扫描仪

    公开(公告)号：US5945658A

    公开(公告)日：1999-08-31

    申请号：US965820

    申请日：1997-11-07

    申请人： Patrick Salatto, Jr. ,  Thomas Mazz

    发明人： Patrick Salatto, Jr. ,  Thomas Mazz

    IPC分类号： G02B26/10 ,  G06K7/10

    CPC分类号： G06K7/10881 ,  G06K7/10574 ,  G06K7/10801 ,  G06K7/10811 ,  G06K2207/1013

    摘要： A combined range laser scanner and method for electro-optically reading indicia such as bar codes having parts of different light reflectivity which utilizes two laser diode optical illumination systems optimally focused for different working ranges. A first laser illumination system is optimized for contact operation and has a range extending to approximately two feet. The second laser illumination system is optimized for longer range scanning from approximately two to seventeen feet, and the two laser scanning systems are integrated into one combined range laser scanner. The combined range laser scanner incorporates therein logic circuitry which enables either laser illumination system as required for the particular scanning application. Depending upon which laser illumination system is selected, the laser spot speed (e.g. amplitude of the drive signal for the scanning motor) is controlled to limit the frequency of received light signals to that of standard signal processing and decoding circuits. Scanning is achieved with a common oscillating mirror element driven by a scanning motor, and the amplitude of the applied scanning motor driving signal is greater for the first laser illumination system optimized for contact or short range operation and less for the second laser illumination system for longer range scanning.

    摘要翻译： 用于电光学读取标记的组合范围激光扫描器和方法，例如具有不同光反射率的部分的条形码，其利用两个激光二极管光学照明系统优化地针对不同的工作范围。 第一激光照明系统针对接触操作进行了优化，并且具有延伸到大约两英尺的范围。 第二激光照明系统针对从大约两到十七英尺的较长距离扫描进行了优化，两个激光扫描系统集成在一个组合范围的激光扫描仪中。 组合范围的激光扫描器结合有逻辑电路，其能够根据特定扫描应用所需的激光照明系统。 根据选择哪种激光照明系统，控制激光点速度（例如扫描电机的驱动信号的振幅），以将接收的光信号的频率限制为标准信号处理和解码电路的频率。 通过扫描电机驱动的共同的振荡镜元件实现扫描，对于针对接触或短距离操作而优化的第一激光照明系统，施加的扫描电动机驱动信号的振幅较大，对于第二激光照明系统较长 范围扫描。

    Combined range laser scanner
    8.
    发明授权
    Combined range laser scanner 失效
    组合范围激光扫描仪

    公开(公告)号：US5420411A

    公开(公告)日：1995-05-30

    申请号：US98243

    申请日：1993-07-29

    申请人： Patrick Salatto, Jr. ,  Thomas Mazz

    发明人： Patrick Salatto, Jr. ,  Thomas Mazz

    IPC分类号： G02B26/10 ,  G06K7/10

    CPC分类号： G06K7/10881 ,  G06K7/10574 ,  G06K7/10801 ,  G06K7/10811 ,  G06K2207/1013

    摘要： A combined range laser scanner and method for electro-optically reading indicia such as bar codes having parts of different light reflectivity which utilizes two laser diode optical illumination systems optimally focused for different working ranges. A first laser illumination system is optimized for contact operation and has a range extending to approximately two feet. The second laser illumination system is optimized for longer range scanning from approximately two to seventeen feet, and the two laser scanning systems are integrated into one combined range laser scanner. The combined range laser scanner incorporates therein logic circuitry which enables either laser illumination system as required from the particular scanning application. Depending upon which laser illumination system is selected, the laser spot speed (e.g. amplitude of the drive signal for the scanning motor) is controlled to limit the frequency of received light signals to that of standard signal processing and decoding circuits. Scanning is achieved with a common oscillating mirror element driven by a scanning motor, and the amplitude of the applied scanning motor driving signal is greater for the first laser illumination system optimized for contact or short range operation and less for the second laser illumination system for longer range scanning.

    摘要翻译： 用于电光学读取标记的组合范围激光扫描器和方法，例如具有不同光反射率的部分的条形码，其利用两个激光二极管光学照明系统优化地针对不同的工作范围。 第一激光照明系统针对接触操作进行了优化，并且具有延伸到大约两英尺的范围。 第二激光照明系统针对从大约两到十七英尺的较长距离扫描进行了优化，两个激光扫描系统集成在一个组合范围的激光扫描仪中。 组合范围的激光扫描仪结合有逻辑电路，其可以根据需要从特定扫描应用激活照明系统。 根据选择哪种激光照明系统，控制激光点速度（例如扫描电机的驱动信号的振幅），以将接收到的光信号的频率限制为标准信号处理和解码电路的频率。 通过扫描电机驱动的共同的振荡镜元件实现扫描，对于针对接触或短距离操作而优化的第一激光照明系统，施加的扫描电动机驱动信号的振幅较大，对于第二激光照明系统较长 范围扫描。

    Line condition reporting system
    9.
    发明授权
    Line condition reporting system 失效
    线路状况报告系统

    公开(公告)号：US4581493A

    公开(公告)日：1986-04-08

    申请号：US559102

    申请日：1983-12-07

    申请人： John Gazzo ,  Carmine Cupani ,  Edward Chiodo ,  Thomas Mazz

    发明人： John Gazzo ,  Carmine Cupani ,  Edward Chiodo ,  Thomas Mazz

    IPC分类号： H04M3/28 ,  H04M3/30 ,  H04M3/26

    CPC分类号： H04M3/30 ,  H04M3/28

    摘要： An improved testing and reporting system for individual telephone subscriber circuits providing improved fault location technology together with major reduction in subscriber loop maintenance and repair operating costs. Provision is made for the testing of lines too remote for direct testing by resort to distally located test units controlled from a central office.

    摘要翻译： 改进的个人电话用户电路的测试和报告系统，提供改进的故障定位技术，同时大大减少用户回路维护和修理运营成本。 经费用于对远程测试线路进行直接测试，通过中央办公室控制的远程测试单元。