Optical system of laser beam reader
    1.
    发明授权
    Optical system of laser beam reader 失效
    激光束读取器光学系统

    公开(公告)号:US5043569A

    公开(公告)日:1991-08-27

    申请号:US470737

    申请日:1990-01-26

    IPC分类号: G06K7/10 H04N1/029

    CPC分类号: H04N1/029 G06K7/10762

    摘要: An optical system of a laser reader has a light projecting portion for emitting a laser beam of light converging toward an object, a condenser lens for condensing a reflecting light from the object and a light receiving element for detecting light quantity of the reflecting light condensed by the condenser lens. The optical axis of the light projecting portion and that of the condenser lens are substantially parallel within a readable range which is established by a relation between a spatial frequency of the object and a spot diameter of the laser beam of light. The laser emits infrared radiation and a light emitting diode emits a visible guide light to confirm the position of the infrared laser spot.

    摘要翻译: 激光读取器的光学系统具有用于发射朝向物体会聚的光的激光束的光投射部,用于聚集来自物体的反射光的聚光透镜和用于检测由物体聚光的反射光的光量的光接收元件 聚光镜。 光投射部分和聚光透镜的光轴在通过物体的空间频率与激光束的光斑直径之间的关系建立的可读范围内基本平行。 激光发射红外辐射,发光二极管发出可见的引导光,以确认红外激光光斑的位置。

    Bar code reader having an automatically actuated visible light laser beam
    2.
    发明授权
    Bar code reader having an automatically actuated visible light laser beam 失效
    具有自动激活的可见光激光束的条形码阅读器

    公开(公告)号:US5179269A

    公开(公告)日:1993-01-12

    申请号:US485511

    申请日:1990-02-27

    IPC分类号: G06K7/10

    CPC分类号: G06K7/10881 G06K2207/1018

    摘要: A wand type bar code reader has a semiconductor laser which emits a visible laser beam in order to read bar code information of an object based on scanning of the visible laser beam and a control and drive circuit which controls the semiconductor laser, whereby the semiconductor laser is automatically repeated ON and OFF at predetermined time intervals.

    摘要翻译: 棒型条形码读取器具有发射可见激光束的半导体激光器,以便基于可见激光束的扫描和控制半导体激光器的控制和驱动电路来读取物体的条形码信息,由此半导体激光器 以预定的时间间隔自动重复ON和OFF。

    Image scanning device
    7.
    发明授权
    Image scanning device 失效
    图像扫描装置

    公开(公告)号:US5859427A

    公开(公告)日:1999-01-12

    申请号:US879142

    申请日:1997-06-19

    摘要: An image scanning device is provided for reading an image of an object. The image scanning device includes: a linear image sensor outputting an image signal corresponding to a received image; an imaging lens positioned between the object and the image sensor; a scanning system rotatable through a predetermined scanning range around a predetermined axis parallel to the line of image receiving elements to scan an image of the object onto the image sensor; a focusing system for adjusting a focusing condition of the image scanning device; and a controller which, based on an image signal from the image sensor, adjusts the focusing system to set an in-focus focusing condition for a portion of the object located at a substantially central portion of the scanning range. The image scanning system may be set to the center of the scanning range and the controller, using image signals from the image sensor, may monitor the contrast of the image while adjusting the position of the imaging lens until the contrast is maximum.

    摘要翻译: 提供用于读取对象的图像的图像扫描装置。 图像扫描装置包括:线性图像传感器,输出与接收图像对应的图像信号; 位于物体和图像传感器之间的成像透镜; 扫描系统,其绕预定轴线旋转,围绕与图像接收元件线平行的预定轴扫描,以将物体的图像扫描到图像传感器上; 用于调整图像扫描装置的聚焦状态的聚焦系统; 以及控制器,其基于来自图像传感器的图像信号调整聚焦系统以对位于扫描范围的大致中心部分的物体的一部分设置对焦聚焦条件。 图像扫描系统可以设置为扫描范围的中心,并且使用来自图像传感器的图像信号的控制器可以在调整成像透镜的位置直到对比度最大时监视图像的对比度。

    Thermal printer and thermal printer head driving system
    8.
    发明授权
    Thermal printer and thermal printer head driving system 失效
    热敏打印机和热敏打印头驱动系统

    公开(公告)号:US5717837A

    公开(公告)日:1998-02-10

    申请号:US473918

    申请日:1995-06-07

    IPC分类号: B41J2/355 G06K15/02 G06F15/00

    CPC分类号: B41J2/355 G06K15/028

    摘要: A thermal printer for forming an image on a sheet, with the image having a plurality of line image data. The thermal printer includes a thermal head having a plurality of linearly arranged thermal elements for forming the image. The total number of the thermal elements to be driven is determined. The thermal elements are driven for a predetermined time period in accordance with the line image data if the number of thermal elements to be driven is not greater than a predetermined value. If the total number of the thermal elements to be driven is greater than the predetermined value, then the predetermined time period is divided into a number of fractional time periods and the thermal elements are intermittently driven for each of the fractional time periods. The predetermined value is determined to avoid sticking between the thermal head and a thermosensitive sheet due to excess heat.

    摘要翻译: 一种用于在片材上形成图像的热敏打印机,其中图像具有多个线图像数据。 热敏打印机包括具有用于形成图像的多个线性排列的热元件的热​​敏头。 确定要驱动的热元件的总数。 如果要驱动的热元件的数量不大于预定值,则热元件根据线图像数据被驱动预定时间段。 如果要驱动的热元件的总数大于预定值,则将预定时间段分成多个分数时间段,并且对于每个分数时间段间歇地驱动热元件。 确定预定值以避免由于过热而在热敏头和热敏片之间粘附。

    Micro-manipulator
    10.
    发明授权
    Micro-manipulator 失效
    微机械手

    公开(公告)号:US07390041B2

    公开(公告)日:2008-06-24

    申请号:US11142381

    申请日:2005-06-02

    IPC分类号: B25J7/00

    CPC分类号: B25J15/0206 B25J7/00

    摘要: A micro-manipulator includes a gripping device having two gripping fingers for gripping a micro-material, and a gripping finger moving device for moving at least one of the gripping fingers of the gripping device. An exciting device vibrates the gripping fingers when the gripping fingers of the gripping device are opened to release the micro-material.

    摘要翻译: 微机械手包括具有用于夹紧微材料的两个夹紧指状物的夹持装置和用于移动夹持装置的至少一个夹紧指的夹持指状物移动装置。 当打开夹持装置的夹持指针以释放微量材料时,令人兴奋的装置振动夹持指状物。