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GB2190262B - Sensor - Google Patents

Sensor

Info

Publication number
GB2190262B
GB2190262B GB8611407A GB8611407A GB2190262B GB 2190262 B GB2190262 B GB 2190262B GB 8611407 A GB8611407 A GB 8611407A GB 8611407 A GB8611407 A GB 8611407A GB 2190262 B GB2190262 B GB 2190262B
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
GB8611407A
Other versions
GB8611407D0 (en
GB2190262A (en
Inventor
Richard Edward Epworth
Stephen Wright
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 GB8611407A priority Critical patent/GB2190262B/en
Publication of GB8611407D0 publication Critical patent/GB8611407D0/en
Publication of GB2190262A publication Critical patent/GB2190262A/en
Application granted granted Critical
Publication of GB2190262B publication Critical patent/GB2190262B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB8611407A 1986-05-09 1986-05-09 Sensor Expired - Fee Related GB2190262B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8611407A GB2190262B (en) 1986-05-09 1986-05-09 Sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8611407A GB2190262B (en) 1986-05-09 1986-05-09 Sensor

Publications (3)

Publication Number Publication Date
GB8611407D0 GB8611407D0 (en) 1986-10-01
GB2190262A GB2190262A (en) 1987-11-11
GB2190262B true GB2190262B (en) 1990-09-05

Family

ID=10597633

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8611407A Expired - Fee Related GB2190262B (en) 1986-05-09 1986-05-09 Sensor

Country Status (1)

Country Link
GB (1) GB2190262B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238112B (en) * 1986-11-11 1991-10-09 British Aerospace Measurement of distortion
GB2214636A (en) * 1988-01-29 1989-09-06 Plessey Co Plc Optical sensing apparatus
US5189299A (en) * 1988-06-20 1993-02-23 Virginia Polytechnic Institute & State University Method and apparatus for sensing strain in a waveguide
GB2248498B (en) * 1990-10-04 1994-04-13 Marconi Gec Ltd Variable gain optical sensing system
GB2262803A (en) * 1991-12-24 1993-06-30 Marconi Gec Ltd An optical fibre sensor array
GB9409553D0 (en) * 1994-04-28 1994-06-29 British Aerospace Crack detection system
CN106595837A (en) * 2015-10-20 2017-04-26 中兴通讯股份有限公司 Method and device for processing coherent phase sensitive optical time domain reflectometer
CN105806465B (en) * 2016-03-11 2019-01-25 南京大学 A kind of novel Φ-OTDR detection device and its detection method based on fixation reflex point
CN117109721B (en) * 2023-10-25 2024-01-30 之江实验室 Scattering point position searching device, searching method and demodulation method in DAS system

Also Published As

Publication number Publication date
GB8611407D0 (en) 1986-10-01
GB2190262A (en) 1987-11-11

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Legal Events

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