DE3687966D1 - Verfahren und apparat zur bestimmung einer messgroesse. - Google Patents

Verfahren und apparat zur bestimmung einer messgroesse.

Info

Publication number
DE3687966D1
DE3687966D1 DE8686904503T DE3687966T DE3687966D1 DE 3687966 D1 DE3687966 D1 DE 3687966D1 DE 8686904503 T DE8686904503 T DE 8686904503T DE 3687966 T DE3687966 T DE 3687966T DE 3687966 D1 DE3687966 D1 DE 3687966D1
Authority
DE
Germany
Prior art keywords
determining
measured size
measured
size
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8686904503T
Other languages
English (en)
Other versions
DE3687966T2 (de
Inventor
C Gilby
E Ihnat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Systems USA Inc
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
Application granted granted Critical
Publication of DE3687966D1 publication Critical patent/DE3687966D1/de
Publication of DE3687966T2 publication Critical patent/DE3687966T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • G10K15/046—Sound-producing devices using optical excitation, e.g. laser bundle
    • 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
    • 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
    • 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
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
DE8686904503T 1985-07-16 1986-06-05 Verfahren und apparat zur bestimmung einer messgroesse. Expired - Fee Related DE3687966T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/755,646 US4713540A (en) 1985-07-16 1985-07-16 Method and apparatus for sensing a measurand
PCT/US1986/001250 WO1987000618A1 (en) 1985-07-16 1986-06-05 Method and apparatus for sensing a measurand

Publications (2)

Publication Number Publication Date
DE3687966D1 true DE3687966D1 (de) 1993-04-15
DE3687966T2 DE3687966T2 (de) 1993-07-01

Family

ID=25040002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686904503T Expired - Fee Related DE3687966T2 (de) 1985-07-16 1986-06-05 Verfahren und apparat zur bestimmung einer messgroesse.

Country Status (9)

Country Link
US (1) US4713540A (de)
EP (1) EP0229822B1 (de)
JP (1) JPS63500331A (de)
KR (1) KR940011933B1 (de)
AU (1) AU579981B2 (de)
CA (1) CA1272390A (de)
DE (1) DE3687966T2 (de)
NO (1) NO871064L (de)
WO (1) WO1987000618A1 (de)

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Also Published As

Publication number Publication date
AU6124886A (en) 1987-02-10
KR940011933B1 (ko) 1994-12-27
NO871064D0 (no) 1987-03-13
KR880700248A (ko) 1988-02-22
AU579981B2 (en) 1988-12-15
JPS63500331A (ja) 1988-02-04
EP0229822A1 (de) 1987-07-29
DE3687966T2 (de) 1993-07-01
EP0229822B1 (de) 1993-03-10
NO871064L (no) 1987-03-13
WO1987000618A1 (en) 1987-01-29
CA1272390A (en) 1990-08-07
US4713540A (en) 1987-12-15

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee