Patent · US Active

Standard-moisture generator, system using the standard-moisture generator, method for detecting abnormality in standard-moisture and computer program product for detecting the abnormality

US11307176B2 · kind B2 · utility

1Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 2019
Grant dateApr 19, 2022
Priority date
Expiry dateMar 4, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2291/0423
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A standard-moisture generator includes a flow controller configured to control a flow of a gas, a dryer connected to the flow controller, configured to absorb water molecules in the gas and to generate a dry gas having a background moisture, a moisture cell connected to the dryer, configured to add an object moisture to the dry gas, and a delay member connected to the moisture cell, configured to pass the dry gas with a delay time depending on a concentration of the background moisture in the dry gas.

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