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    • 50. 发明专利
    • Speed display device of bicycle
    • 速度显示设备的自行车
    • JPS59192964A
    • 1984-11-01
    • JP5664984
    • 1984-03-23
    • Matsushita Electric Ind Co Ltd
    • HATA KOUTAROUFUJII TOSHIKAZUSASAGAWA KAZUMASAKUBOTA SHIGERUKUSHIDA KEIZOU
    • B60K23/00B62M9/12B62M25/00G01P1/07
    • B62M9/12G01P1/07
    • PURPOSE:To select an optimum number of change gear stages and to obtain an efficient bicycle driving by displaying the current speed and number of change gear stages by using the characteristic curve of optimum numbers of change gear stages versus speed. CONSTITUTION:A driver 3 is controlled according to the current speed signal of a bicycle which is generated by a speed detection sensor 1, waveform shaping circuit 2, etc., to turn on an LED4 on the characteristic curve of optimum numbers of change gear stages versus speed selectively, and the current speed and the optimum number of change gear stages are displayed on the basis of a characteristic figure. Therefore, the optimum number of change gear stages is selected easily to realize an efficient bicycle driving.
    • 目的:通过使用最佳齿轮档次数与速度的特征曲线,通过显示当前速度和变速级数,来选择最佳数量的换档档,并获得高效的自行车驾驶。 构成:驱动器3根据由速度检测传感器1,波形整形电路2等产生的自行车的当前速度信号进行控制,以在最佳数量的变速级的特性曲线上接通LED4 相对于速度选择性地,并且基于特征图显示当前速度和变速齿轮级的最佳数量。 因此,为了实现高效的自行车行驶,容易选择最佳变速级数。