DE2807802A1 - Vorrichtung zum nachweis von erschuetterungen - Google Patents

Vorrichtung zum nachweis von erschuetterungen

Info

Publication number
DE2807802A1
DE2807802A1 DE19782807802 DE2807802A DE2807802A1 DE 2807802 A1 DE2807802 A1 DE 2807802A1 DE 19782807802 DE19782807802 DE 19782807802 DE 2807802 A DE2807802 A DE 2807802A DE 2807802 A1 DE2807802 A1 DE 2807802A1
Authority
DE
Germany
Prior art keywords
elastomer
electrode
electrodes
mass
housing
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.)
Withdrawn
Application number
DE19782807802
Other languages
German (de)
English (en)
Inventor
Michel Robert Gault
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.)
Jaeger SA
Original Assignee
Jaeger 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 Jaeger SA filed Critical Jaeger SA
Publication of DE2807802A1 publication Critical patent/DE2807802A1/de
Withdrawn legal-status Critical Current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
    • G01P15/12—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 alteration of electrical resistance
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE19782807802 1977-02-25 1978-02-23 Vorrichtung zum nachweis von erschuetterungen Withdrawn DE2807802A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7705623A FR2382013A1 (fr) 1977-02-25 1977-02-25 Dispositif de detection de vibrations

Publications (1)

Publication Number Publication Date
DE2807802A1 true DE2807802A1 (de) 1978-08-31

Family

ID=9187259

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782807802 Withdrawn DE2807802A1 (de) 1977-02-25 1978-02-23 Vorrichtung zum nachweis von erschuetterungen

Country Status (5)

Country Link
AR (1) AR215049A1 (fr)
DE (1) DE2807802A1 (fr)
FR (1) FR2382013A1 (fr)
GB (1) GB1566847A (fr)
IT (1) IT1092667B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703022A1 (de) * 1986-02-04 1987-08-06 Honda Motor Co Ltd Schwingungssensor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8893547B2 (en) * 2010-09-02 2014-11-25 Baker Hughes Incorporated Acoustic transducers using quantum tunneling composite active elements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752558A (en) * 1953-04-22 1956-06-26 Ernest M Kane Electric transducer
US3806471A (en) * 1968-04-29 1974-04-23 R Mitchell Pressure responsive resistive material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703022A1 (de) * 1986-02-04 1987-08-06 Honda Motor Co Ltd Schwingungssensor

Also Published As

Publication number Publication date
AR215049A1 (es) 1979-08-31
IT7820300A0 (it) 1978-02-16
FR2382013A1 (fr) 1978-09-22
IT1092667B (it) 1985-07-12
FR2382013B1 (fr) 1981-10-23
GB1566847A (en) 1980-05-08

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: SPOTT, G., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 800

8139 Disposal/non-payment of the annual fee