Patent · US Expired

Water content metering apparatus

US6169407A · kind A · utility

4Cited by
17References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1998
Grant dateJan 2, 2001
Priority date
Expiry dateMar 30, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/226
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A water metering apparatus for measuring water concentrations in a water-ink emulsion used in a printing press is provided. The apparatus develops a substantially linear output for water concentrations ranging from 0% to approximately 50% without employing a logarithmic amplifier. In addition, an improved sensor for use in the water metering apparatus is provided.

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