Patent · US Expired

Electronic system for process instrumentation and control

US4085334A · kind A · utility

5Cited by
4References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1975
Grant dateApr 18, 1978
Priority date
Expiry dateOct 8, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F15/068
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An electronic system for process instrumentation and control or a power supply system with a high reliability. In a plurality of instrumentation and control systems each including a plurality of measuring instruments and apparatus connected to a common DC power supply, a DC voltage is supplied to the plurality of instruments and apparatus from the DC power supply, through a current limiter and an apparatus having a DC-wise insulating function which are provided for each of the instrumentation and control systems.

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