FR2535060B1 - PIEZO-ELECTRIC DETECTOR - Google Patents

PIEZO-ELECTRIC DETECTOR

Info

Publication number
FR2535060B1
FR2535060B1 FR8217674A FR8217674A FR2535060B1 FR 2535060 B1 FR2535060 B1 FR 2535060B1 FR 8217674 A FR8217674 A FR 8217674A FR 8217674 A FR8217674 A FR 8217674A FR 2535060 B1 FR2535060 B1 FR 2535060B1
Authority
FR
France
Prior art keywords
piezo
electric detector
detector
electric
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
Application number
FR8217674A
Other languages
French (fr)
Other versions
FR2535060A1 (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.)
Antivols Simplex SA
Original Assignee
Antivols Simplex SA
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 Antivols Simplex SA filed Critical Antivols Simplex SA
Priority to FR8217674A priority Critical patent/FR2535060B1/en
Publication of FR2535060A1 publication Critical patent/FR2535060A1/en
Application granted granted Critical
Publication of FR2535060B1 publication Critical patent/FR2535060B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
    • G01P15/0922—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up of the bending or flexing mode type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR8217674A 1982-10-22 1982-10-22 PIEZO-ELECTRIC DETECTOR Expired FR2535060B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8217674A FR2535060B1 (en) 1982-10-22 1982-10-22 PIEZO-ELECTRIC DETECTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8217674A FR2535060B1 (en) 1982-10-22 1982-10-22 PIEZO-ELECTRIC DETECTOR

Publications (2)

Publication Number Publication Date
FR2535060A1 FR2535060A1 (en) 1984-04-27
FR2535060B1 true FR2535060B1 (en) 1985-05-31

Family

ID=9278483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8217674A Expired FR2535060B1 (en) 1982-10-22 1982-10-22 PIEZO-ELECTRIC DETECTOR

Country Status (1)

Country Link
FR (1) FR2535060B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171848A1 (en) * 1984-07-26 1986-02-19 Universite Catholique De Louvain Movements detecting device and device for recording the detected movements
EP0259384A1 (en) * 1986-02-28 1988-03-16 Joseph Varga Piezo-electric detector for detecting motions comprising a recorder apparatus for recording detected motions
JPH07112493B2 (en) * 1986-07-15 1995-12-06 シ−メンス、アクチエンゲゼルシヤフト A pacemaker implanted in a patient to stimulate the patient's heart
FR2610524A1 (en) * 1987-02-09 1988-08-12 Ela Medical Sa CARDIAC STIMULATOR AND STIMULATION METHOD
FR2615682B1 (en) * 1987-05-19 1989-07-13 Thomson Csf GEOPHONE COMPRISING A SENSITIVE ELEMENT IN PIEZOELECTRIC POLYMER
US5523644A (en) * 1990-05-16 1996-06-04 Witehira; Pita Piezoelectric motion sensor
GB9204592D0 (en) * 1992-03-03 1992-04-15 The Technology Partnership Plc Movement detector using mechanical vibrations
IT1264579B1 (en) * 1993-06-11 1996-10-04 Marchesi Maria Antonia MOTION SENSOR, IN PARTICULAR FOR ANTI-THEFT DEVICES
EP0821874A1 (en) * 1996-08-02 1998-02-04 Dieter Fuhrmann Bite indicator
US6198396B1 (en) 1998-09-11 2001-03-06 Mine Safety Appliances Company Motion sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH127892A (en) * 1927-10-04 1928-09-17 Friedrich Krebser Anti-theft alarm system.
US3911388A (en) * 1973-09-21 1975-10-07 Houston Products And Services Accelerometer
GB2055018B (en) * 1979-07-11 1983-11-16 Kureha Chemical Ind Co Ltd Vibration detector
DE3008441A1 (en) * 1980-03-05 1981-09-10 Siemens AG, 1000 Berlin und 8000 München Physical quantity sensor for e.g. pressure or force - has protective housing and membrane in contact with deformable sensor substrate
JPS5713323A (en) * 1980-06-17 1982-01-23 Taamo:Kk Vibration sensor

Also Published As

Publication number Publication date
FR2535060A1 (en) 1984-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse