GB2230092B - Vibration sensor - Google Patents

Vibration sensor

Info

Publication number
GB2230092B
GB2230092B GB8907535A GB8907535A GB2230092B GB 2230092 B GB2230092 B GB 2230092B GB 8907535 A GB8907535 A GB 8907535A GB 8907535 A GB8907535 A GB 8907535A GB 2230092 B GB2230092 B GB 2230092B
Authority
GB
United Kingdom
Prior art keywords
vibration sensor
vibration
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 - Lifetime
Application number
GB8907535A
Other versions
GB8907535D0 (en
GB2230092A (en
Inventor
John Christopher Greenwood
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
Nortel Networks Optical Components Ltd
Original Assignee
STC PLC
Northern Telecom Europe Ltd
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, Northern Telecom Europe Ltd filed Critical STC PLC
Priority to GB8907535A priority Critical patent/GB2230092B/en
Publication of GB8907535D0 publication Critical patent/GB8907535D0/en
Publication of GB2230092A publication Critical patent/GB2230092A/en
Application granted granted Critical
Publication of GB2230092B publication Critical patent/GB2230092B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
    • 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
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22—Transmitting seismic signals to recording or processing apparatus
    • G01V1/226—Optoseismic systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/186—Hydrophones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB8907535A 1989-04-04 1989-04-04 Vibration sensor Expired - Lifetime GB2230092B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8907535A GB2230092B (en) 1989-04-04 1989-04-04 Vibration sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8907535A GB2230092B (en) 1989-04-04 1989-04-04 Vibration sensor

Publications (3)

Publication Number Publication Date
GB8907535D0 GB8907535D0 (en) 1989-09-20
GB2230092A GB2230092A (en) 1990-10-10
GB2230092B true GB2230092B (en) 1992-10-28

Family

ID=10654414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8907535A Expired - Lifetime GB2230092B (en) 1989-04-04 1989-04-04 Vibration sensor

Country Status (1)

Country Link
GB (1) GB2230092B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170008A (en) * 1985-01-19 1986-07-23 Benham Vibration detecting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170008A (en) * 1985-01-19 1986-07-23 Benham Vibration detecting device

Also Published As

Publication number Publication date
GB8907535D0 (en) 1989-09-20
GB2230092A (en) 1990-10-10

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Legal Events

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

Effective date: 19930404