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GB2219171B - Vibration sensor - Google Patents

Vibration sensor

Info

Publication number
GB2219171B
GB2219171B GB8907733A GB8907733A GB2219171B GB 2219171 B GB2219171 B GB 2219171B GB 8907733 A GB8907733 A GB 8907733A GB 8907733 A GB8907733 A GB 8907733A GB 2219171 B GB2219171 B GB 2219171B
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 - Fee Related
Application number
GB8907733A
Other versions
GB2219171A (en
GB8907733D0 (en
Inventor
Richard Brown
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.)
ATOCHEM SENSORS Ltd
PENNWALT PIEZO FILM
Original Assignee
ATOCHEM SENSORS Ltd
PENNWALT PIEZO FILM
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 ATOCHEM SENSORS Ltd, PENNWALT PIEZO FILM filed Critical ATOCHEM SENSORS Ltd
Publication of GB8907733D0 publication Critical patent/GB8907733D0/en
Publication of GB2219171A publication Critical patent/GB2219171A/en
Application granted granted Critical
Publication of GB2219171B publication Critical patent/GB2219171B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
GB8907733A 1988-04-08 1989-04-06 Vibration sensor Expired - Fee Related GB2219171B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888808211A GB8808211D0 (en) 1988-04-08 1988-04-08 Vibration sensor

Publications (3)

Publication Number Publication Date
GB8907733D0 GB8907733D0 (en) 1989-05-17
GB2219171A GB2219171A (en) 1989-11-29
GB2219171B true GB2219171B (en) 1991-11-20

Family

ID=10634779

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888808211A Pending GB8808211D0 (en) 1988-04-08 1988-04-08 Vibration sensor
GB8907733A Expired - Fee Related GB2219171B (en) 1988-04-08 1989-04-06 Vibration sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888808211A Pending GB8808211D0 (en) 1988-04-08 1988-04-08 Vibration sensor

Country Status (1)

Country Link
GB (2) GB8808211D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4313200A (en) * 2000-04-18 2001-10-30 Alessandro Lana Electronic sensor with an inertial system for detecting vibrations
US6925869B2 (en) * 2003-01-28 2005-08-09 The Boeing Company Ultrasonic fuel-gauging system
GB0510484D0 (en) 2005-05-24 2005-06-29 New Transducers Ltd Acoustic device
KR101885970B1 (en) * 2013-09-02 2018-08-06 미쯔이가가꾸가부시끼가이샤 Laminate body

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435667A (en) * 1982-04-28 1984-03-06 Peizo Electric Products, Inc. Spiral piezoelectric rotary actuator
GB2156521A (en) * 1984-03-27 1985-10-09 Nat Res Dev Finding the direction of a sound
GB2173670A (en) * 1983-10-11 1986-10-15 Southwest Res Inst Cylindrical bender-type vibration transducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435667A (en) * 1982-04-28 1984-03-06 Peizo Electric Products, Inc. Spiral piezoelectric rotary actuator
GB2173670A (en) * 1983-10-11 1986-10-15 Southwest Res Inst Cylindrical bender-type vibration transducer
GB2156521A (en) * 1984-03-27 1985-10-09 Nat Res Dev Finding the direction of a sound

Also Published As

Publication number Publication date
GB2219171A (en) 1989-11-29
GB8907733D0 (en) 1989-05-17
GB8808211D0 (en) 1988-05-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990406