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65 条记录 (耗时 0.046 秒)

    Bar code scanner with automatic de-activation of scan upon bar code recognition
    33.
    发明授权
    Bar code scanner with automatic de-activation of scan upon bar code recognition 失效
    条形码扫描器，具有自动去激活扫描条码识别功能

    公开(公告)号：US5180904A

    公开(公告)日：1993-01-19

    申请号：US781893

    申请日：1991-10-24

    申请人： Howard M. Shepard ,  Edward D. Barkan ,  Jerome Swartz

    发明人： Howard M. Shepard ,  Edward D. Barkan ,  Jerome Swartz

    IPC分类号： G06K7/10 ,  G06K17/00

    CPC分类号： G06K7/10881 ,  G06K17/0022

    摘要： A bar code scanner employs a light source such as a laser for generating a light beam to be directed along a path toward a bar code symbol to be read. A scanner such as a mirror driven by a motor moves the light beam along a scan line across the bar code symbol. A sensor detects the intensity of reflected light from the bar code symbol, and generates an electrical signal in response to this reflected light. A signal processor receives the electrical signal and produces a digitized signal representing the bar code symbol. Control circuit automatically de-energes the scan by shutting off at least one of the light source and the motor after the signal processor has produced a digitized signal representing a valid bar code symbol.

    摘要翻译： 条形码扫描器采用诸如激光器的光源来产生沿着要被读取的条形码符号的路径被引导的光束。 诸如由电动机驱动的反射镜的扫描仪沿着扫描线移动光束穿过条形码符号。 传感器检测来自条形码符号的反射光的强度，并且响应于该反射光产生电信号。 信号处理器接收电信号并产生表示条形码符号的数字化信号。 在信号处理器产生表示有效条形码符号的数字化信号之后，控制电路通过关闭光源和电动机中的至少一个自动地对扫描进行去激活。

    Narrow-bodied, single- and twin-windowed portable scanning head for reading bar code symbols
    37.
    发明授权
    Narrow-bodied, single- and twin-windowed portable scanning head for reading bar code symbols 失效
    窄体，单窗口和双窗口便携式扫描头，用于读取条形码符号

    公开(公告)号：US4673805A

    公开(公告)日：1987-06-16

    申请号：US519523

    申请日：1983-08-01

    申请人： Howard M. Shepard ,  Edward D. Barkan ,  Jerome Swartz

    发明人： Howard M. Shepard ,  Edward D. Barkan ,  Jerome Swartz

    IPC分类号： G06K7/10 ,  G06K17/00

    CPC分类号： G06K7/10881 ,  G06K17/0022

    摘要： A narrow-bodied, single- and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected beam returning from the symbol, passes unobstructedly and exteriorly of, and past, the front and intermediate body regions of the head. A field-replaceable laser tube arrangement, a laser tube and method of making the same, an arrangement for and method of controlling a scanning system, optical passive elements for increasing the depth of field, a trigger protective device, and a one-piece support bench and method of fabricating the same by mass-production techniques are also disclosed.

    摘要翻译： 用于读取条形码符号的窄体，单和双窗口的手持式激光扫描头包括安装在头部后部区域的至少一个窗口，通过该窗口，入射光束到达符号和 /或从符号返回的反射光束通过头部的前身和中间身体区域不受阻碍地且外部通过。 现场可更换激光管装置，激光管及其制造方法，扫描系统的控制和控制方法，用于增加景深的光学无源元件，触发器保护装置和一体式支架 本发明还公开了通过批量生产技术制造其工作台及其制造方法。

    Retro-reflective laser scanning head with rear reflector
    39.
    发明授权
    Retro-reflective laser scanning head with rear reflector 失效
    后反射激光扫描头

    公开(公告)号：US06068190A

    公开(公告)日：2000-05-30

    申请号：US972285

    申请日：1997-11-18

    申请人： Howard M. Shepard ,  Edward D. Barkan ,  Jerome Swartz

    发明人： Howard M. Shepard ,  Edward D. Barkan ,  Jerome Swartz

    IPC分类号： G06K7/10 ,  G06K17/00 ,  G09C5/00

    CPC分类号： G06K17/0022 ,  G06K7/10702 ,  G06K7/10881 ,  G06K7/109

    摘要： In a system for electro-optically reading bar code symbols, a movable reflector is rearwardly positioned in a hand-held housing. A sensor receives light reflected off a bar code symbol from the reflector over a scan that extends across the entire bar code symbol. The housing has a window, a front end and a handle for enabling a user to hold and support the housing in one's hand, and to aim the front end of the housing at the bar code symbol during reading. A signal processor in the housing processes an electrical signal from the sensor to generate therefrom data descriptive of the bar code symbol being read. The reflector is positioned at a distance from the front end of the housing, and the length of the scan is proportional to that distance.

    摘要翻译： 在用于电光学读取条形码符号的系统中，可移动反射器被向后定位在手持外壳中。 传感器通过延伸穿过整个条形码符号的扫描器从反射器接收从条形码符号反射的光。 壳体具有窗口，前端和手柄，用于使用者能够握持和支撑手中的壳体，并且在读取期间将壳体的前端瞄准条形码符号。 壳体中的信号处理器处理来自传感器的电信号，从而生成描述所读取的条形码符号的数据。 反射器位于与壳体的前端一定距离处，并且扫描的长度与该距离成比例。