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    • 7. 发明授权
    • Rolling electronic length measuring device
    • 滚动电子长度测量装置
    • US07036241B2
    • 2006-05-02
    • US10894277
    • 2004-07-19
    • Michael WilliamsJeffrey L. SpanskiDerek J. NashJohn C. SmithDaily Gist
    • Michael WilliamsJeffrey L. SpanskiDerek J. NashJohn C. SmithDaily Gist
    • G01B3/12
    • G01B3/12
    • An electronic measuring device is disclosed which includes a pair of wheels connected to an axle that passes through a drive gear. The drive gear is enmeshed to a second gear which, in turn, is coaxially connected to an encoder disk. The encoder disk has spaced-apart fins around its outer periphery. As the wheels turn and the encoder disk rotates, the fins and openings between the fins pass between an emitter and a receiver. The emitter and receiver are linked to a controller which calculates the distance traversed by the wheels based upon the number of fins that pass between the emitter and receiver, or with an active counting system (ACS). The controller also includes functions to establish start and stop points for a measurement and an easy means for dividing a measured distance into equal parts or segments and a means for marking the boundary points that define the segments when the measuring device is rolled back across the measured distance. The device can be used on both planar and non-planar surfaces.
    • 公开了一种电子测量装置,其包括连接到通过驱动齿轮的轴的一对轮。 驱动齿轮被啮合到第二齿轮上,第二齿轮又与编码器盘同轴连接。 编码器盘在其外围周围具有间隔开的翅片。 当车轮转动并且编码器盘旋转时,翅片和翅片之间的开口在发射器和接收器之间通过。 发射器和接收器连接到控制器,该控制器基于在发射器和接收器之间通过的翅片的数量,或者利用主动计数系统(ACS)来计算车轮所经过的距离。 该控制器还包括用于建立测量的起点和终点的功能,以及用于将测量距离分成相等部分或部分的简易装置,以及用于标记当测量装置在测量装置上回滚时限定段的边界点的装置 距离。 该装置可以在平面和非平面的表面上使用。