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    Bar code readers using surface emitting laser diode
    5.
    发明授权
    Bar code readers using surface emitting laser diode 失效
    条码阅读器采用表面发射激光二极管

    公开(公告)号：US06543693B1

    公开(公告)日：2003-04-08

    申请号：US09558374

    申请日：2000-04-26

    申请人： Miklos Stern ,  Vladimir Gurevich ,  Mark Krichever

    发明人： Miklos Stern ,  Vladimir Gurevich ,  Mark Krichever

    IPC分类号： G06K0710

    CPC分类号： G06K7/10742 ,  G06K7/10574 ,  G06K7/10643 ,  G06K7/10811 ,  H01S5/183 ,  H01S5/423

    摘要： A scanning device incorporates a vertical cavity surface emitting laser (VCSEL). The laser diode may be mounted directly on an Si substrate which is adapted for movement to produce a scan pattern. A collimating lens may be directly mounted on the emitting surface of the laser. A plurality of lasers may be mounted on the substrate and operated in sequence without movement of the substrate to produce the effect of a scan. A single, variable-focal length lens is employed to focus each beam of the VCSEL at a different distance. The scanning device emits visible or invisible light towards a target such as a bar code and a detector (mounted on the same or an adjacent substrate) senses the light reflected by the target to produce data which is decoded for further processing. A VCSEL uses low current and emits light from a relatively large area so that a relatively large amount of light is emitted for relatively small heat generation.

    摘要翻译： 扫描装置包括垂直腔表面发射激光器（VCSEL）。 激光二极管可以直接安装在适于移动以产生扫描图案的Si衬底上。 准直透镜可以直接安装在激光器的发射表面上。 多个激光器可以安装在基板上并且依次操作，而不会移动基板以产生扫描的效果。 采用单个可变焦距透镜将VCSEL的每个光束聚焦在不同的距离处。 扫描装置朝向诸如条形码的目标物发射可见光或不可见光，并且检测器（安装在相同或相邻的基板上）感测由目标反射的光以产生被解码以供进一步处理的数据。 VCSEL使用低电流并从相对较大的区域发射光，以便相对较少量的光被发射用于较小的发热。

    Retro-reflective scan module for electro-optical readers
    7.
    发明授权
    Retro-reflective scan module for electro-optical readers 失效
    电光读取器的反光扫描模块

    公开(公告)号：US06360949B1

    公开(公告)日：2002-03-26

    申请号：US09275858

    申请日：1999-03-24

    申请人： Howard Shepard ,  Edward D. Barkan ,  Paul Dvorkis ,  Boris Metlitsky ,  Raj Bridgelall ,  Vladimir Gurevich ,  Mark Krichever ,  Yajun Li ,  Joseph Katz ,  Vincent Luciano

    发明人： Howard Shepard ,  Edward D. Barkan ,  Paul Dvorkis ,  Boris Metlitsky ,  Raj Bridgelall ,  Vladimir Gurevich ,  Mark Krichever ,  Yajun Li ,  Joseph Katz ,  Vincent Luciano

    IPC分类号： G06K710

    CPC分类号： G06K7/10653 ,  G06K7/10683

    摘要： A miniaturized electro-optical, retro-reflective scanning module. The module has a base, a first circuit board, and a second circuit board mounted substantially orthogonal to the first circuit board. The base supports a light emitter for producing a scanning beam and optical elements for directing and collecting light energy. The emitted beam reflects off a fold mirror onto a reflector mounted on a drive for oscillation. The oscillating reflector, in turn, redirects the beam onto an indicia being read. The reflected light is reflected off the oscillating reflector and directed to the collection mirror before reaching a detector. The detector included in the module senses light reflected from an indicia scanned by the beam. The reflector is driven by an electro-magnetiz driven system, including a flexure and an actuation arm.

    摘要翻译： 小型化的电光反光扫描模块。 模块具有底座，第一电路板和大致正交于第一电路板安装的第二电路板。 基座支撑用于产生扫描光束的光发射器和用于引导和收集光能的光学元件。 发射的光束从折叠镜反射到安装在用于振荡的驱动器上的反射器上。 振荡反射器又将光束重定向到被读取的标记上。 反射光从振荡反射器反射并在到达检测器之前被引导到收集镜。 包括在模块中的检测器感测由光束扫描的标记反射的光。 反射器由电磁驱动系统驱动，包括挠曲件和致动臂。