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88 条记录 (耗时 0.02 秒)

    Retro-reflective scan module for electro-optical readers
    4.
    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。

    Miniature laser diode focusing module using micro-optics
    6.
    发明授权
    Miniature laser diode focusing module using micro-optics 失效
    微型激光二极管聚焦模块采用微光学

    公开(公告)号：US6092728A

    公开(公告)日：2000-07-25

    申请号：US352542

    申请日：1999-07-12

    申请人： Yajun Li ,  Simon Bard ,  Mark Krichever ,  Joseph Katz ,  Chin Tan

    发明人： Yajun Li ,  Simon Bard ,  Mark Krichever ,  Joseph Katz ,  Chin Tan

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10811

    摘要： A miniature module emits and focuses a divergent light beam. The focusing module consists of a small-sized light emitter, such as a laser diode, and a micro-optical element seated in a lens holder. The outside diameter of the micro-optical element is 4 mm or less and preferably less than or equal to 2.5 mm. The micro-optical element may be a small conventional lens, a gradient index lens, or one of several types of diffractive optical element. The focal length of the module relative to the light from the emitter is set by sliding the lens holder along its central axis and permanently adhering it in place with respect to the emitter after focusing. During focal adjustment, axial rotation between the lens holder and between the base of the emitter is prevented by a series of notches. The miniature focusing module is smaller, lighter, costs less and may provide a larger relative aperture than the conventional structures currently used for example in solid state laser scanners.

    摘要翻译： 微型模块发射和聚焦发散光束。 聚焦模块由诸如激光二极管的小尺寸光发射器和坐在透镜架中的微光学元件组成。 微型光学元件的外径为4mm以下，优选为2.5mm以下。 微型光学元件可以是小型常规透镜，梯度折射率透镜或几种衍射光学元件中的一种。 模块相对于来自发射器的光的焦距通过沿着其中心轴滑动透镜夹持器来设定，并且在聚焦之后相对于发射器永久地将其固定在适当的位置。 在焦距调整期间，通过一系列凹口来防止透镜保持器和发射器的基座之间的轴向旋转。 微型聚焦模块更小，更轻，成本更低，并且可以提供比目前用于例如固态激光扫描仪的常规结构更大的相对孔径。