Patent · US Expired

Method and an apparatus for detecting and recording the number of phenomena

US3977008A · kind A · utility

2Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 16, 1974
Grant dateAug 24, 1976
Priority date
Expiry dateDec 16, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C3/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method and an apparatus for detecting and recording the number of phenomena, for instance of defects of a product continuously manufactured, wherein a graphic record is made on a recording tape in a direction transverse to the advancing direction of said recording tape and at a length corresponding to the sum of unit steps of which the number is equal to the number of phenomena occurring during a measuring or counting period, a fixed limited number of unit steps being executed and thereby a record of a fixed length produced upon failure of detecting means for said phenomena.

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