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GB2198531B - Optical sensor device - Google Patents

Optical sensor device

Info

Publication number
GB2198531B
GB2198531B GB8629820A GB8629820A GB2198531B GB 2198531 B GB2198531 B GB 2198531B GB 8629820 A GB8629820 A GB 8629820A GB 8629820 A GB8629820 A GB 8629820A GB 2198531 B GB2198531 B GB 2198531B
Authority
GB
United Kingdom
Prior art keywords
optical sensor
sensor device
optical
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
GB8629820A
Other versions
GB2198531A (en
GB8629820D0 (en
Inventor
Roger Edward Jones
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.)
STC PLC
Original Assignee
STC 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 STC PLC filed Critical STC PLC
Priority to GB8629820A priority Critical patent/GB2198531B/en
Publication of GB8629820D0 publication Critical patent/GB8629820D0/en
Publication of GB2198531A publication Critical patent/GB2198531A/en
Application granted granted Critical
Publication of GB2198531B publication Critical patent/GB2198531B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01D5/266—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 by interferometric means
    • 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
    • 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
    • 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
    • G01L9/0019—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a semiconductive element
    • G01L9/002—Optical excitation or measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB8629820A 1986-12-13 1986-12-13 Optical sensor device Expired - Fee Related GB2198531B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8629820A GB2198531B (en) 1986-12-13 1986-12-13 Optical sensor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8629820A GB2198531B (en) 1986-12-13 1986-12-13 Optical sensor device

Publications (3)

Publication Number Publication Date
GB8629820D0 GB8629820D0 (en) 1987-01-21
GB2198531A GB2198531A (en) 1988-06-15
GB2198531B true GB2198531B (en) 1990-11-07

Family

ID=10608958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8629820A Expired - Fee Related GB2198531B (en) 1986-12-13 1986-12-13 Optical sensor device

Country Status (1)

Country Link
GB (1) GB2198531B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562383A (en) * 2018-02-05 2018-09-21 合肥工业大学 Static excitation/piezoresistive detection silicon micro resonance type pressure sensor closed loop autonomous system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9105799D0 (en) * 1991-03-19 1991-06-12 Lucas Ind Plc Vibrating sensor
FR2680574B1 (en) * 1991-08-23 1996-04-12 Schlumberger Ind Sa TEMPERATURE COMPENSATED VIBRATING BEAM MICROSENSOR.
GB2509105B (en) * 2012-12-20 2017-02-22 Oxsensis Ltd Mechanical resonator sensor
US20150276686A1 (en) * 2014-03-26 2015-10-01 General Electric Company Systems and methods for addressing one or more sensors along a cable
CN112729606B (en) * 2020-12-23 2022-10-18 西安和其光电科技股份有限公司 Distributed optical fiber temperature measurement method and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562383A (en) * 2018-02-05 2018-09-21 合肥工业大学 Static excitation/piezoresistive detection silicon micro resonance type pressure sensor closed loop autonomous system
CN108562383B (en) * 2018-02-05 2020-11-17 合肥工业大学 Closed-loop self-excitation system of silicon micro-resonance type pressure sensor for electrostatic excitation/piezoresistive detection

Also Published As

Publication number Publication date
GB2198531A (en) 1988-06-15
GB8629820D0 (en) 1987-01-21

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Legal Events

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