Patent · US Expired

Data processing and recording apparatus

US4414633A · kind A · utility

30Cited by
6References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 24, 1981
Grant dateNov 8, 1983
Priority date
Expiry dateFeb 24, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F15/06
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A low-cost data logging device, particularly suitable for recording gas meter performance having an electrical transducer to produce an electrical analogue of a parameter to be recorded, a calculator circuit to perform an analysis of measurements of the parameter and a plurality of memories to store the results of the analyses.

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