| 摘要 |
PURPOSE:To minimally restrain the numbers of power amplifying means, by polyphase connecting a plurality of step-motors to a drive circuit. CONSTITUTION:When one is driven by means of power amplifying means (In this case, inverters) 22, 23 and the other one by means of inverters 23, 24 in the drive of two step-motors, the drive timing pulses 37', 38' of separate step-motor input to signal input terminals 37, 38 are changed into wave forms 27'-30' by means of D type filp-flops 25, 26 performing frequency division action, and appear to and gates 27-30. These pulses are compounded by means of or gates 31-33, and used as the input of the inverters 22-24, and the step-motors connected to each inverter 22, 23 and inverter 23, 24 are driven by the output pulses of each inverter. The timing of the drive of said two motors does not agree. |
