GB8419491D0 - Monitoring displacement - Google Patents

Monitoring displacement

Info

Publication number
GB8419491D0
GB8419491D0 GB848419491A GB8419491A GB8419491D0 GB 8419491 D0 GB8419491 D0 GB 8419491D0 GB 848419491 A GB848419491 A GB 848419491A GB 8419491 A GB8419491 A GB 8419491A GB 8419491 D0 GB8419491 D0 GB 8419491D0
Authority
GB
United Kingdom
Prior art keywords
monitoring displacement
displacement
monitoring
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.)
Granted
Application number
GB848419491A
Other versions
GB2146123A (en
GB2146123B (en
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
Publication of GB8419491D0 publication Critical patent/GB8419491D0/en
Publication of GB2146123A publication Critical patent/GB2146123A/en
Application granted granted Critical
Publication of GB2146123B publication Critical patent/GB2146123B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/164—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid using a diaphragm, bellow as transmitting element
    • 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
    • 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
    • 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
    • G01L11/04—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 acoustic 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
    • G01L9/0008—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
    • G01L9/0023—Optical excitation or measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB08419491A 1983-09-03 1984-07-31 Apparatus for monitoring displacement Expired GB2146123B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838323685A GB8323685D0 (en) 1983-09-03 1983-09-03 Monitoring displacement

Publications (3)

Publication Number Publication Date
GB8419491D0 true GB8419491D0 (en) 1984-09-05
GB2146123A GB2146123A (en) 1985-04-11
GB2146123B GB2146123B (en) 1987-04-23

Family

ID=10548309

Family Applications (3)

Application Number Title Priority Date Filing Date
GB838323685A Pending GB8323685D0 (en) 1983-09-03 1983-09-03 Monitoring displacement
GB08327814A Expired GB2146120B (en) 1983-09-03 1983-10-18 Photoacoustic force sensor
GB08419491A Expired GB2146123B (en) 1983-09-03 1984-07-31 Apparatus for monitoring displacement

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB838323685A Pending GB8323685D0 (en) 1983-09-03 1983-09-03 Monitoring displacement
GB08327814A Expired GB2146120B (en) 1983-09-03 1983-10-18 Photoacoustic force sensor

Country Status (1)

Country Link
GB (3) GB8323685D0 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678905A (en) * 1984-05-18 1987-07-07 Luxtron Corporation Optical sensors for detecting physical parameters utilizing vibrating piezoelectric elements
US4897541A (en) * 1984-05-18 1990-01-30 Luxtron Corporation Sensors for detecting electromagnetic parameters utilizing resonating elements
US4677305A (en) * 1985-06-28 1987-06-30 Simmonds Precision Products, Inc. Opto-acoustic fuel quantity gauging system
US4713540A (en) * 1985-07-16 1987-12-15 The Foxboro Company Method and apparatus for sensing a measurand
GB8530809D0 (en) * 1985-12-13 1986-01-22 Gen Electric Co Plc Sensor
GB2187551B (en) * 1986-03-04 1990-03-14 Gen Electric Plc Radiation detector
GB8610253D0 (en) * 1986-04-26 1986-05-29 Stc Plc Resonator device
GB2194054A (en) * 1986-08-15 1988-02-24 Gen Electric Co Plc Magnetometer
GB2194049B (en) * 1986-08-15 1990-04-25 Gen Electric Plc A sensor
GB2197069B (en) * 1986-11-03 1990-10-24 Stc Plc Sensor device
GB8701556D0 (en) * 1987-01-24 1987-02-25 Schlumberger Electronics Uk Sensors
GB2208931B (en) * 1987-08-19 1991-06-26 Stc Plc Mechanical oscilattor
US4900921A (en) * 1988-09-19 1990-02-13 Simmonds Precision Products, Inc. System and method for opto-acoustic liquid quantity measurement and transducer therefor
FR2636744B1 (en) * 1988-09-19 1993-01-22 Crouzet Sa VIBRATING RESONATOR WITH OPTICAL EXCITATION AND DETECTION FOR SENSOR USE
US4972076A (en) * 1988-09-29 1990-11-20 Schlumberger Industries Limited Solid state sensor with dual resonant vibratable members
FR2638519B1 (en) * 1988-11-02 1990-12-28 Asulab Sa DEVICE FOR MEASURING A PHYSICAL QUANTITY
US5265479A (en) * 1989-10-17 1993-11-30 Lucas Industries Public Limited Company Micro resonator
GB8923374D0 (en) * 1989-10-17 1989-12-06 Lucas Ind Plc Sensor
DE4230087A1 (en) * 1992-09-09 1994-03-10 Bezzaoui Hocine Dipl Ing Integrated optical micro-mechanical sensor for measuring physical or chemical parameters - has strip waveguide applied to etched membrane acting as integrated measuring path
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
EP1996957A4 (en) * 2006-03-15 2012-12-26 Venkata Guruprasad Universal frequency generation and scaling
US8850893B2 (en) 2007-12-05 2014-10-07 Valtion Teknillinen Tutkimuskeskus Device for measuring pressure, variation in acoustic pressure, a magnetic field, acceleration, vibration, or the composition of a gas
FI20075879A0 (en) * 2007-12-05 2007-12-05 Valtion Teknillinen Apparatus for measuring pressure, variation in sound pressure, magnetic field, acceleration, vibration and gas composition
GB2508908B (en) 2012-12-14 2017-02-15 Gen Electric Resonator device
CN112097700B (en) * 2020-09-10 2021-11-02 中国科学院重庆绿色智能技术研究院 Wireless strain sensing system and monitoring method based on frequency reconfigurable antenna

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB663946A (en) * 1947-07-04 1951-01-02 Georges Henri Dion Improvements in level measuring apparatus
DE2237613C3 (en) * 1972-07-31 1975-05-28 Faser-Und Kunststoff-Presswerk Romen Kg, 8450 Amberg Method and device for securing space
US3948345A (en) * 1973-06-15 1976-04-06 Allan Rosencwaig Methods and means for analyzing substances
US4126049A (en) * 1977-02-14 1978-11-21 Cotter Mitchell A System and method of measuring fluid pressure force
US4163382A (en) * 1978-04-28 1979-08-07 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for optoacoustic spectroscopy
US4269509A (en) * 1978-05-26 1981-05-26 Allied Chemical Corporation Photoacoustic Raman spectroscopy
US4255971A (en) * 1978-11-01 1981-03-17 Allan Rosencwaig Thermoacoustic microscopy

Also Published As

Publication number Publication date
GB2146123A (en) 1985-04-11
GB8327814D0 (en) 1983-11-16
GB8323685D0 (en) 1983-10-05
GB2146120B (en) 1987-01-14
GB2146120A (en) 1985-04-11
GB2146123B (en) 1987-04-23

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Legal Events

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