Patent · US Expired

Optical pressure transducer

US5127269A · kind A · utility

11Cited by
4References
50Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 2, 1990
Grant dateJul 7, 1992
Priority date
Expiry dateMay 2, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49007
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An optical pressure transducer employing input and output optical fibers defining therebetween an optical path. The optical path is interrupted by a fixed reflector and a moveable reflector. The moveable reflector is secured by adjustment means to the diaphragm that is responsive to pressure being measured.

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