NO860026L - Forbedret fiberoptisk fjernsensor. - Google Patents

Forbedret fiberoptisk fjernsensor.

Info

Publication number
NO860026L
NO860026L NO860026A NO860026A NO860026L NO 860026 L NO860026 L NO 860026L NO 860026 A NO860026 A NO 860026A NO 860026 A NO860026 A NO 860026A NO 860026 L NO860026 L NO 860026L
Authority
NO
Norway
Prior art keywords
resonant element
resonant
radiant energy
energy
oscillating
Prior art date
Application number
NO860026A
Other languages
English (en)
Norwegian (no)
Inventor
Everett O Olsen
Christopher R Brown
Gordon W Chitty
Original Assignee
Foxboro Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foxboro Co filed Critical Foxboro Co
Publication of NO860026L publication Critical patent/NO860026L/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
    • G01K11/26Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/024Means for indicating or recording specially adapted for thermometers for remote indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/10Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
    • G01L1/103Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings optical excitation or measuring of vibrations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of an element not provided for in the following subgroups of G01L9/0008
    • G01L9/0011Optical excitation or measuring
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0013Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a string
    • G01L9/0014Optical excitation or measuring of vibrations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Fluid Pressure (AREA)
  • Cable Accessories (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NO860026A 1984-05-07 1986-01-06 Forbedret fiberoptisk fjernsensor. NO860026L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60753284A 1984-05-07 1984-05-07

Publications (1)

Publication Number Publication Date
NO860026L true NO860026L (no) 1986-03-04

Family

ID=24432683

Family Applications (1)

Application Number Title Priority Date Filing Date
NO860026A NO860026L (no) 1984-05-07 1986-01-06 Forbedret fiberoptisk fjernsensor.

Country Status (7)

Country Link
EP (1) EP0181397A1 (da)
JP (1) JPS61502077A (da)
AU (1) AU575193B2 (da)
DK (1) DK4986A (da)
FI (1) FI74541C (da)
NO (1) NO860026L (da)
WO (1) WO1985005178A1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897541A (en) * 1984-05-18 1990-01-30 Luxtron Corporation Sensors for detecting electromagnetic parameters utilizing resonating elements
US4713540A (en) * 1985-07-16 1987-12-15 The Foxboro Company Method and apparatus for sensing a measurand
GB8610252D0 (en) * 1986-04-26 1986-06-25 Stc Plc Remote sensor
GB2192456B (en) * 1986-07-12 1990-07-04 Stc Plc Optical sensor
US4733561A (en) * 1986-07-21 1988-03-29 The Foxboro Company Self-oscillating, optical resonant sensor
GB8701556D0 (en) * 1987-01-24 1987-02-25 Schlumberger Electronics Uk Sensors
DE4414558C1 (de) * 1994-04-22 1995-11-09 Meyer Neontrafoproduktion Gmbh Verfahren und Anordnung zum Nachweis der Meßgenauigkeit und zur Dokumentation für die Qualitätssicherung bei der Herstellung von Leuchtröhrensystemen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521684A (en) * 1982-02-22 1985-06-04 The Foxboro Company Optical measurement system with light-driven vibrating sensor element
GB2121953B (en) * 1982-06-10 1985-09-04 Itt Ind Ltd Improvements in transducers

Also Published As

Publication number Publication date
AU4606185A (en) 1985-11-28
FI860047A (fi) 1986-01-06
EP0181397A1 (en) 1986-05-21
DK4986D0 (da) 1986-01-07
DK4986A (da) 1986-01-07
FI74541C (fi) 1988-02-08
WO1985005178A1 (en) 1985-11-21
AU575193B2 (en) 1988-07-21
JPS61502077A (ja) 1986-09-18
FI860047A0 (fi) 1986-01-06
FI74541B (fi) 1987-10-30

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