Patent · US Expired

Pulse motor driving system

US4417188A · kind A · utility

7Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 1981
Grant dateNov 22, 1983
Priority date
Expiry dateOct 14, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/43006
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A driving system for a pulse motor, particularly of a sewing machine, includes an electronic memory for determining the time series of drive pulses to control the speed of the pulse motor according to a number of moving steps. The system is provided with a number of calculating devices operated in accordance with calculating formulas reflecting the functions of the number of stepping pulses to control the stepping speed of the pulse motor in accordance with the number of steps needed by the pulse motor to move a given distance.

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