利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

102 条记录 (耗时 0.032 秒)

    Compact hybrid imaging lens assembly in an imaging reader
    5.
    发明授权
    Compact hybrid imaging lens assembly in an imaging reader 有权
    成像读取器中的紧凑型混合成像透镜组件

    公开(公告)号：US08657194B2

    公开(公告)日：2014-02-25

    申请号：US13175245

    申请日：2011-07-01

    申请人： Rong Liu ,  David Tsi-Shi

    发明人： Rong Liu ,  David Tsi-Shi

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10722 ,  G06K7/10831

    摘要： A compact hybrid imaging lens assembly captures return light from a target over a field of view of a linear array of image sensors of a solid-state imager, and projects the captured return light onto the array during electro-optical reading of the target. The assembly includes a plastic lens for optical aberration correction, a glass lens spaced away from the plastic lens along an optical axis, and an aperture stop between the lenses and having an asymmetrical aperture through which the optical axis extends. The glass lens has substantially all the optical power of the imaging lens assembly for thermal stability, and the plastic lens has substantially no optical power. A holder holds the lenses and the aperture stop away from the array. Alignment elements on the plastic lens align the asymmetrical aperture relative to the linear array.

    摘要翻译： 紧凑的混合成像透镜组件在固态成像器的图像传感器的线性阵列的视野上捕获来自目标的返回光，并且在目标的电光学读取期间将捕获的返回光投射到阵列上。 该组件包括用于光学像差校正的塑料透镜，沿着光轴与塑料透镜间隔开的玻璃透镜，以及透镜之间的孔径光阑，并且具有光轴延伸穿过的不对称孔。 玻璃透镜具有用于热稳定性的成像透镜组件的基本上所有光学功率，并且塑料透镜基本上没有光学功率。 支架将透镜和孔径光阑保持在远离阵列的位置。 塑料透镜上的对准元件相对于线性阵列对准不对称孔。

    Imaging-based reader having smart illumination
    6.
    发明授权
    Imaging-based reader having smart illumination 有权

    公开(公告)号：US08430316B2

    公开(公告)日：2013-04-30

    申请号：US11998764

    申请日：2007-11-30

    申请人： Rong Liu ,  Eugene Joseph ,  Ming Yu

    发明人： Rong Liu ,  Eugene Joseph ,  Ming Yu

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10732

    摘要： A method and imaging assembly (10) are disclosed adapted for reading a target object comprising a scan engine (48) having a sensor (46), focusing optics (44), and an imager (48). The scan engine includes a field-of-view defining an area to be imaged by the imaging assembly (10). A housing (80) internally lodges the scan engine (48) and an illumination source (36). The illumination source (36) is adapted to project illumination from the housing (80). A boot (30) extends from the housing (80) for shaping the illumination as it passes through the boot to form an illumination pattern from the illumination. The illumination pattern substantially conforms to a geometrical shape of the boot (30) and is adapted to envelope the scan engine field-of-view.

    Device and method for implenting dynamic adjustmenting bandwidth of data in a transmission device
    7.
    发明授权
    Device and method for implenting dynamic adjustmenting bandwidth of data in a transmission device 有权
    用于实现传输设备中数据的动态调整带宽的设备和方法

    公开(公告)号：US07920591B2

    公开(公告)日：2011-04-05

    申请号：US10565468

    申请日：2003-12-02

    申请人： Qingliang Liu ,  Chang Zhou ,  Rong Liu

    发明人： Qingliang Liu ,  Chang Zhou ,  Rong Liu

    IPC分类号： H04J3/16 ,  H04J3/22

    CPC分类号： H04Q11/04 ,  H04J3/1629 ,  H04J3/1682 ,  H04Q2213/13204 ,  H04Q2213/13216 ,  H04Q2213/13292 ,  H04Q2213/13332 ,  H04Q2213/13337 ,  H04Q2213/13389 ,  H04Q2213/13392

    摘要： A method and a device for realizing dynamic adjustment of data bandwidth of the invention are disclosed. The method comprises adding a control channel in a PCM trunk link to describe occupancy condition of time slots for current services. The device comprises a control word process circuit, a time slot distribution circuit and a CPU interface circuit, wherein the control word process circuit is designed to complete abstraction and insertion of control information in a control channel of E1/T1 link, the time slot distribution circuit completes separating voice time slots from Ethernet data time slots and rebuilding the data, and the CPU interface circuit implements time slot distribution control. The method and the device can implement dynamic adjustment of Ethernet data bandwidth while ensuring voice services, to make effective use of trunk bandwidth and enhance user's data service bandwidth, without error code and interruption of data service during bandwidth adjustment.

    摘要翻译： 公开了一种用于实现本发明的数据带宽的动态调整的方法和装置。 该方法包括在PCM中继链路中添加控制信道，以描述当前业务的时隙的占用情况。 该装置包括控制字处理电路，时隙分配电路和CPU接口电路，其中控制字处理电路被设计为完成控制信息在E1 / T1链路的控制信道中的抽象和插入，时隙分布 电路完成了语音时隙与以太网数据时隙的分离和重建，CPU接口电路实现了时隙分配控制。 该方法和设备可以在确保语音业务的同时，实现以太网数据带宽的动态调整，有效利用中继带宽，提高用户数据业务带宽，带宽调整时无错误代码和数据业务中断。

    Arrangement for and method of generating uniform distributed line pattern for imaging reader
    8.
    发明申请
    Arrangement for and method of generating uniform distributed line pattern for imaging reader 有权
    为成像读取器生成均匀分布线图的布置和方法

    公开(公告)号：US20100213258A1

    公开(公告)日：2010-08-26

    申请号：US12380142

    申请日：2009-02-24

    申请人： Rong Liu ,  Vladimir Gurevich

    发明人： Rong Liu ,  Vladimir Gurevich

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10732

    摘要： A module and an arrangement for, as well as a method of, generating a generally uniform distributed line pattern of light on a symbol to be read by image capture, include a light source for generating light along an optical axis in a distribution having different extents along intersecting directions generally perpendicular to the axis, and an optical component for receiving, and for optically modifying, the light from the light source to generate the gene rally uniform distributed line pattern of light on the symbol. The optical component includes a plurality of compound conic elements spaced apart from one another along one of the directions. Each compound conic element has a pair of conic segments for modifying the light along the one direction. A collimating lens modifies the light along the other of the directions. A solid-state imager has an array of image sensors for capturing return light from the symbol over a field of view having different extents along the intersecting directions.

    摘要翻译： 在通过图像捕获读取的符号上产生大致均匀的分布线型图案的模块和方法包括：用于沿着具有不同程度的分布中的光轴产生光的光源 沿着与轴垂直的相交方向，以及光学部件，用于接收来自光源的光并用于光学修饰，以在符号上产生基本均匀分布的线状图案。 光学部件包括沿着其中一个方向彼此间隔开的多个复合圆锥元件。 每个复合圆锥元件具有一对锥形段，用于沿一个方向修改光。 准直透镜沿着另一个方向修改光。 固态成像器具有一组图像传感器，用于在沿着相交方向具有不同程度的视场上从符号捕获返回光。

    Laser power control arrangements in electro-optical readers
    9.
    发明申请
    Laser power control arrangements in electro-optical readers 有权
    电光读取器中的激光功率控制装置

    公开(公告)号：US20100102128A1

    公开(公告)日：2010-04-29

    申请号：US12288803

    申请日：2008-10-23

    申请人： Igor Vinogradov ,  Mark Drzymala ,  Darren Handshaw ,  Yuly Mitelman ,  Rong Liu

    发明人： Igor Vinogradov ,  Mark Drzymala ,  Darren Handshaw ,  Yuly Mitelman ,  Rong Liu

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10584 ,  G06K7/10702 ,  G06K7/10851

    摘要： A laser power control arrangement and method in an electro-optical reader for reading indicia includes an energizable laser for emitting a laser beam having an output power along a path. An internal light detector, e.g., a monitor photodiode, is mounted inside the laser for monitoring the output power of the laser. An external light detector, e.g., an auxiliary photodiode, is mounted outside the laser for monitoring the output power of the laser independently of the internal light detector. A guide, advantageously a light pipe or a diffuser, is positioned outside the laser in the path of the laser beam for guiding the laser beam from the laser to the external light detector. A controller is operatively connected to each light detector, for controlling a monitored output power of the laser beam by deenergizing the laser when the monitored output power of the laser beam exceeds a safe power level limit.

    摘要翻译： 用于读取标记的电光读取器中的激光功率控制装置和方法包括用于发射具有沿着路径的输出功率的激光束的可激励激光器。 内部光检测器，例如监视器光电二极管，安装在激光器的内部，用于监视激光器的输出功率。 外部光检测器（例如辅助光电二极管）安装在激光器的外部，用于独立于内部光检测器监视激光器的输出功率。 引导件，有利地是光管或扩散器，位于激光束的路径内，用于将激光束从激光器引导到外部光检测器。 控制器可操作地连接到每个光检测器，用于当激光束的监视的输出功率超过安全功率电平限制时，通过对激光器进行去激励来控制激光束的监视的输出功率。