GB2194049B - A sensor - Google Patents

A sensor

Info

Publication number
GB2194049B
GB2194049B GB8619890A GB8619890A GB2194049B GB 2194049 B GB2194049 B GB 2194049B GB 8619890 A GB8619890 A GB 8619890A GB 8619890 A GB8619890 A GB 8619890A GB 2194049 B GB2194049 B GB 2194049B
Authority
GB
United Kingdom
Prior art keywords
sensor
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
GB8619890A
Other versions
GB2194049A (en
GB8619890D0 (en
Inventor
Robert Andrew Pinnock
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB8619890A priority Critical patent/GB2194049B/en
Publication of GB8619890D0 publication Critical patent/GB8619890D0/en
Publication of GB2194049A publication Critical patent/GB2194049A/en
Application granted granted Critical
Publication of GB2194049B publication Critical patent/GB2194049B/en
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
    • 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
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
    • 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
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
    • G01L1/167—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators optical excitation or measuring of vibrations
    • 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
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
    • G01L1/183—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material by measuring variations of frequency of vibrating piezo-resistive material
    • G01L1/186—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material by measuring variations of frequency of vibrating piezo-resistive material optical excitation or measuring of vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • 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
    • G01L9/0007—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using photoelectric means
GB8619890A 1986-08-15 1986-08-15 A sensor Expired - Fee Related GB2194049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8619890A GB2194049B (en) 1986-08-15 1986-08-15 A sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8619890A GB2194049B (en) 1986-08-15 1986-08-15 A sensor

Publications (3)

Publication Number Publication Date
GB8619890D0 GB8619890D0 (en) 1986-09-24
GB2194049A GB2194049A (en) 1988-02-24
GB2194049B true GB2194049B (en) 1990-04-25

Family

ID=10602753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8619890A Expired - Fee Related GB2194049B (en) 1986-08-15 1986-08-15 A sensor

Country Status (1)

Country Link
GB (1) GB2194049B (en)

Families Citing this family (6)

* 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
GB8701556D0 (en) * 1987-01-24 1987-02-25 Schlumberger Electronics Uk Sensors
GB2215053B (en) * 1988-02-13 1991-09-11 Stc Plc Transducer device
US4972076A (en) * 1988-09-29 1990-11-20 Schlumberger Industries Limited Solid state sensor with dual resonant vibratable members
US5308965A (en) * 1992-09-14 1994-05-03 Allen-Bradley Company, Inc. Pilot light interface for small industrial controls
ATE251302T1 (en) * 1997-07-21 2003-10-15 Euratom LIGHT INTENSITY SENSOR ELEMENT AND METHOD FOR LIGHT BEAM MODULATION AND DEVICE USING SUCH A SENSOR ELEMENT

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379226A (en) * 1981-02-02 1983-04-05 Siemens Corporation Method and sensor device for measuring a physical parameter utilizing an oscillatory, light modulation element
EP0090167A2 (en) * 1982-02-22 1983-10-05 The Foxboro Company Fiber-optic sensor for a resonant element
GB2146120A (en) * 1983-09-03 1985-04-11 Gen Electric Co Plc Photoacoustic force sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379226A (en) * 1981-02-02 1983-04-05 Siemens Corporation Method and sensor device for measuring a physical parameter utilizing an oscillatory, light modulation element
EP0090167A2 (en) * 1982-02-22 1983-10-05 The Foxboro Company Fiber-optic sensor for a resonant element
GB2146120A (en) * 1983-09-03 1985-04-11 Gen Electric Co Plc Photoacoustic force sensor

Also Published As

Publication number Publication date
GB2194049A (en) 1988-02-24
GB8619890D0 (en) 1986-09-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee