Patent · US Expired

Programmable controller interface apparatus

US4378502A · kind A · utility

4Cited by
0References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1980
Grant dateMar 29, 1983
Priority date
Expiry dateApr 10, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/10689
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An interfacing apparatus for a programmable controller having input modules of limited input compatibility and an input signal adjusting circuit for adjusting the input signals to make them compatible with the input modules.

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