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    • 5. 发明授权
    • Scanner with vertical plate force detection and compensation
    • 扫描仪具有垂直板力检测和补偿
    • US07491905B2
    • 2009-02-17
    • US12061422
    • 2008-04-02
    • Chin-Hung Jwo
    • Chin-Hung Jwo
    • G06K15/00
    • G06K7/1096G01G19/4144
    • Described is a multi-optic scanner that can detect and/or measure weight placed on its vertical plate. In one embodiment, a portion of the vertical plate is positioned under a portion of a horizontal plate so that a force exerted on the vertical plate is transferred, whole or in part, to the horizontal plate. In alternate embodiments, one or more sensors are coupled to the vertical plate for detecting a force on the plate. The sensors can be coupled to an alert, such as an audible signal, to warn an operator of a misread weight.
    • 描述了可以检测和/或测量放置在其垂直板上的重量的多光学扫描仪。 在一个实施例中,垂直板的一部分位于水平板的一部分下方,使得施加在垂直板上的力全部或部分地被转移到水平板。 在替代实施例中,一个或多个传感器联接到垂直板,用于检测板上的力。 传感器可以耦合到警报,例如可听见的信号,以警告操作者误读重量。
    • 7. 发明授权
    • Compact optical scanning system
    • 精密光学扫描系统
    • US5115122A
    • 1992-05-19
    • US626156
    • 1990-12-12
    • Chin-Hung JwoPaul S. Wu
    • Chin-Hung JwoPaul S. Wu
    • G06K7/10
    • G06K7/10871
    • A portable, stand-alone compact optical scanning apparatus includes a housing member in which is mounted a printed circuit board, a semicircular mirror member mounted on the printed circuit board having a cone shaped edge portion, a light emitting element mounted on the mirror member for projecting scanning light beams within the housing member, a multifaceted rotating spinner mounted on said printed circuit board extending through said mirror member for directing the light beams at a plurality of pattern forming mirror members which reflect the light beams at the edge portion of the mirror member which in turn reflects the light beams through an aperture in the cover portion of the housing member, the scan pattern scanning a bar code label on a merchandise item positioned on top of the housing adjacent the aperture. A collection system is mounted on the mirror member for generating electrical signals in response to detecting the reflected light beams from the scanned bar code label.