Patent · US Expired

Method and apparatus for controlling a stepping motor

US5164649A · kind A · utility

4Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1990
Grant dateNov 17, 1992
Priority date
Expiry dateJun 4, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P8/36
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A control system for a stepping motor includes at least one terminal which is adapted to be connected to at least one of the outputs of the power circuit supplying the stepping motor from a direct current voltage which is chopped by a clock signal, together with a filtering means for the potential of this output.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.