Patent · US Expired

Pulse width modulated servo circuit

US4295082A · kind A · utility

15Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1980
Grant dateOct 13, 1981
Priority date
Expiry dateMar 6, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P7/00
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A motor servo circuit is disclosed. The motor in the motor servo circuit is driven by an output which is obtained by logically adding output pulses of a pulse stretcher circuit which stretches a pulse width of error pulses generated from an OR circuit when pulses inputted to the motor servo circuit and pulses outputted from a pulse generator in response to the input pulses are different in the pulse width to pulses having a predetermined pulse width which are generated at intervals of a predetermined member of the error pulses synchronizing therewith.

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