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GB2215549B - Sensor - Google Patents

Sensor

Info

Publication number
GB2215549B
GB2215549B GB8805415A GB8805415A GB2215549B GB 2215549 B GB2215549 B GB 2215549B GB 8805415 A GB8805415 A GB 8805415A GB 8805415 A GB8805415 A GB 8805415A GB 2215549 B GB2215549 B GB 2215549B
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
GB8805415A
Other versions
GB2215549A (en
GB8805415D0 (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 GB8805415A priority Critical patent/GB2215549B/en
Publication of GB8805415D0 publication Critical patent/GB8805415D0/en
Publication of GB2215549A publication Critical patent/GB2215549A/en
Application granted granted Critical
Publication of GB2215549B publication Critical patent/GB2215549B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/499Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Transform (AREA)
GB8805415A 1988-03-08 1988-03-08 Sensor Expired - Fee Related GB2215549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8805415A GB2215549B (en) 1988-03-08 1988-03-08 Sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8805415A GB2215549B (en) 1988-03-08 1988-03-08 Sensor

Publications (3)

Publication Number Publication Date
GB8805415D0 GB8805415D0 (en) 1988-04-07
GB2215549A GB2215549A (en) 1989-09-20
GB2215549B true GB2215549B (en) 1992-02-12

Family

ID=10633000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8805415A Expired - Fee Related GB2215549B (en) 1988-03-08 1988-03-08 Sensor

Country Status (1)

Country Link
GB (1) GB2215549B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04138331A (en) * 1990-09-28 1992-05-12 Ando Electric Co Ltd Optical pulse tester using heterodyne light receiving
GB2256480B (en) * 1991-06-05 1995-02-01 Marconi Gec Ltd Improvements to optical sensors

Also Published As

Publication number Publication date
GB2215549A (en) 1989-09-20
GB8805415D0 (en) 1988-04-07

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Legal Events

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

Effective date: 19920512