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Stepping motor controller

  • US 4,510,266 A
  • Filed: 10/04/1982
  • Issued: 04/09/1985
  • Est. Priority Date: 10/08/1981
  • Status: Expired due to Fees
First Claim
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1. Apparatus for generating signal pulses for controlling a stepping motor, comprising:

  • a pulse generator effective for producing a substantially constant frequency pulse signal;

    a memory having a multiplicity of successively addressable memory locations, each of said memory locations having a content;

    addressing means responsive to said pulse signal for successively addressing said memory locations;

    said memory comprising output means responsive to the respective contents of said memory locations as they are addressed successively by said addressing means for producing electrical signals having frequencies to control said stepping motor; and

    said contents being arranged to produce in response to said addressing at least one of an increase in the frequency of said electrical signals for starting of said stepping motor and a decrease in said frequency thereof for stopping of said stepping motor.

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