Patent · US Expired

Circuit for controlling the drive of motor

US4272709A · kind A · utility

3Cited by
7References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 18, 1979
Grant dateJun 9, 1981
Priority date
Expiry dateJul 18, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S388/934
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention is related to a temperature-compensated circuit for controlling the drive of a motor, comprising a differential comparator for comparing a running-speed signal of a motor with a reference signal, and a feedback amplifier having a differential amplifier to which is given an input offset.

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