Patent · US Expired

Liquid gauging apparatus and remote sensor interrogation

US5399875A · kind A · utility

5Cited by
12References
39Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 1993
Grant dateMar 21, 1995
Priority date
Expiry dateMay 28, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S250/904
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A liquid gauging system for a liquid container, the system comprising sensor means for producing a first electromagnetic signal that corresponds to liquid quantity in the container, and remote interrogation means for receiving the first electromagnetic signal and producing a system output that corresponds to the liquid quantity; the sensor means being energized by a second electromagnetic signal transmitted by the remote interrogation means.

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