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    • 4. 发明授权
    • Item checkout device including a bar code data collector and a produce data collector
    • 物品结帐装置,包括条形码数据收集器和产品数据收集器
    • US06457644B1
    • 2002-10-01
    • US09672327
    • 2000-09-29
    • Donald A. Collins, Jr.Jeffrey P. TreptauMichael A. SpencerDaniel B. Seevers
    • Donald A. Collins, Jr.Jeffrey P. TreptauMichael A. SpencerDaniel B. Seevers
    • G06K710
    • G07G1/0045G01G19/4144
    • An item checkout device which combines a produce data collector with an optical bar code data collector. The item checkout device includes a housing, a bar code data collector within the housing, and a produce data collector within the housing. In a preferred embodiment, the item checkout device includes an optical bar code data collector including a first housing, a scale within the first housing, a weigh plate on the scale including a first window for allowing scanning light beams from optical bar code data collector to pass and a second window, and a produce data collector within the first housing including a second housing containing an aperture adjacent the second window, a light source for illuminating a produce item on the second window with substantially uniform light, a light separating element for splitting light collected from the produce item into a plurality of different light portions having different wavelengths, a detector for converting energy in the plurality of light portions into a plurality of electrical signals, and control circuitry which digitizes the plurality of electrical signals to produce a digital spectrum from the produce item which contains information to identify the produce item for the purpose of determining its unit price.
    • 一种将产品数据采集器与光学条形码数据采集器组合的物品检验装置。 物品结帐装置包括壳体,壳体内的条形码数据收集器以及壳体内的产品数据收集器。 在优选实施例中,项目检验装置包括光学条形码数据收集器,该光学条形码数据收集器包括第一外壳,第一外壳内的标尺,标尺上的称重板,包括用于允许从光学条形码数据收集器扫描光束的第一窗口 通过和第二窗口,以及在所述第一壳体内的产品数据收集器,包括包含邻近所述第二窗口的孔的第二壳体,用于以基本均匀的光照亮所述第二窗口上的产品的光源,用于分离的光分离元件 从产品收集的光到具有不同波长的多个不同的光部分中,用于将多个光部分中的能量转换为多个电信号的检测器,以及将多个电信号数字化以产生数字频谱的控制电路 从包含信息的产品中识别产品的产品 确定其单价。
    • 6. 发明授权
    • Optical device for compensation of multiple wavelengths and working distances in dual-fiber collimators
    • 用于补偿双光纤准直器中多个波长和工作距离的光学装置
    • US06839485B2
    • 2005-01-04
    • US10207564
    • 2002-08-29
    • Timothy S. GardnerRonald E. GerberJeffrey P. Treptau
    • Timothy S. GardnerRonald E. GerberJeffrey P. Treptau
    • G02B6/32G02B6/34
    • G02B6/29383G02B6/29361G02B6/32
    • A particular focusing arrangement in a dual fiber collimator improves the transmission efficiency and ease of alignment of the collimator. In particular, the collimator includes two optical fibers mounted in a dual-fiber ferrule. The fiber end-faces are co-planar with the angle-polished end-face of the ferrule and displaced along the optical axis of the ferrule. The collimator unit also includes a first focusing element centered along the optical axis of the ferrule and positioned such that its back front focal point is between the two end faces of the fibers. An advantage provided by this arrangement is that by changing the fiber polish angle and polish azimuth, relative to a line connecting the fiber centers, superior coupling from one fiber to the other can be achieved, even with different working distances and at various wavelengths.
    • 双光纤准直仪中的特定聚焦装置提高了准直仪的传输效率和对准方便性。 特别地,准直器包括安装在双光纤套圈中的两根光纤。 纤维端面与套圈的角度抛光端面共面并且沿着套圈的光轴移位。 准直器单元还包括沿着套圈的光轴居中的第一聚焦元件并且被定位成使得其后前焦点位于光纤的两个端面之间。 通过这种布置提供的优点是,通过相对于连接纤维中心的线改变纤维抛光角度和抛光方位角,即使具有不同的工作距离和各种波长,也可以实现从一个光纤到另一个光纤的优良耦合。