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FI860047A - OPTISKT STYRT RESONANSELEMENT SAMT KRAFTMAETNINGSFOERFARANDE. - Google Patents

OPTISKT STYRT RESONANSELEMENT SAMT KRAFTMAETNINGSFOERFARANDE. Download PDF

Info

Publication number
FI860047A
FI860047A FI860047A FI860047A FI860047A FI 860047 A FI860047 A FI 860047A FI 860047 A FI860047 A FI 860047A FI 860047 A FI860047 A FI 860047A FI 860047 A FI860047 A FI 860047A
Authority
FI
Finland
Prior art keywords
styrt
resonanselement
kraftmaetningsfoerfarande
optiskt
samt
Prior art date
Application number
FI860047A
Other languages
Finnish (fi)
Other versions
FI74541C (en
FI860047A0 (en
FI74541B (en
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 FI860047A0 publication Critical patent/FI860047A0/en
Publication of FI860047A publication Critical patent/FI860047A/en
Application granted granted Critical
Publication of FI74541B publication Critical patent/FI74541B/en
Publication of FI74541C publication Critical patent/FI74541C/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22—Measuring 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
    • G01K11/26—Measuring 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/26—Mechanical 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
    • G01D5/268—Mechanical 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
    • G01L1/103—Measuring 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/001—Transmitting 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
    • G01L9/0011—Optical excitation or measuring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0013—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a string
    • G01L9/0014—Optical excitation or measuring of vibrations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Fluid Pressure (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Cable Accessories (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)
FI860047A 1984-05-07 1986-01-06 Method for sensing a force in an optically controlled resonant element device and resonant element device for carrying out the method. FI74541C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US60753284A 1984-05-07 1984-05-07
US60753284 1984-05-07
US8500808 1985-05-03
PCT/US1985/000808 WO1985005178A1 (en) 1984-05-07 1985-05-03 Improved fiber optic remote sensor

Publications (4)

Publication Number Publication Date
FI860047A0 FI860047A0 (en) 1986-01-06
FI860047A true FI860047A (en) 1986-01-06
FI74541B FI74541B (en) 1987-10-30
FI74541C FI74541C (en) 1988-02-08

Family

ID=24432683

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860047A FI74541C (en) 1984-05-07 1986-01-06 Method for sensing a force in an optically controlled resonant element device and resonant element device for carrying out the method.

Country Status (7)

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

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 (en) * 1994-04-22 1995-11-09 Meyer Neontrafoproduktion Gmbh Process and arrangement for the verification of measurement accuracy and for documentation for quality assurance in the manufacture of fluorescent tube systems

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
WO1985005178A1 (en) 1985-11-21
NO860026L (en) 1986-03-04
EP0181397A1 (en) 1986-05-21
FI74541C (en) 1988-02-08
FI860047A0 (en) 1986-01-06
FI74541B (en) 1987-10-30
JPS61502077A (en) 1986-09-18
DK4986D0 (en) 1986-01-07
DK4986A (en) 1986-01-07
AU575193B2 (en) 1988-07-21
AU4606185A (en) 1985-11-28

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: THE FOXBORO COMPANY