FR2283444A1 - Perfectionnements apportes aux dispositifs detecteurs d'une variation de vitesse - Google Patents

Perfectionnements apportes aux dispositifs detecteurs d'une variation de vitesse

Info

Publication number
FR2283444A1
FR2283444A1 FR7426619A FR7426619A FR2283444A1 FR 2283444 A1 FR2283444 A1 FR 2283444A1 FR 7426619 A FR7426619 A FR 7426619A FR 7426619 A FR7426619 A FR 7426619A FR 2283444 A1 FR2283444 A1 FR 2283444A1
Authority
FR
France
Prior art keywords
housing
detector
mass
threshold value
fluid filled
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.)
Granted
Application number
FR7426619A
Other languages
English (en)
French (fr)
Other versions
FR2283444B1 (enExample
Inventor
Frederic Martin
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.)
Sagem SA
Original Assignee
Sagem 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 Sagem SA filed Critical Sagem SA
Priority to FR7426619A priority Critical patent/FR2283444A1/fr
Publication of FR2283444A1 publication Critical patent/FR2283444A1/fr
Application granted granted Critical
Publication of FR2283444B1 publication Critical patent/FR2283444B1/fr
Granted 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
    • G01P15/135—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 making use of contacts which are actuated by a movable inertial mass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR7426619A 1974-07-31 1974-07-31 Perfectionnements apportes aux dispositifs detecteurs d'une variation de vitesse Granted FR2283444A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7426619A FR2283444A1 (fr) 1974-07-31 1974-07-31 Perfectionnements apportes aux dispositifs detecteurs d'une variation de vitesse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7426619A FR2283444A1 (fr) 1974-07-31 1974-07-31 Perfectionnements apportes aux dispositifs detecteurs d'une variation de vitesse

Publications (2)

Publication Number Publication Date
FR2283444A1 true FR2283444A1 (fr) 1976-03-26
FR2283444B1 FR2283444B1 (enExample) 1977-01-07

Family

ID=9141941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426619A Granted FR2283444A1 (fr) 1974-07-31 1974-07-31 Perfectionnements apportes aux dispositifs detecteurs d'une variation de vitesse

Country Status (1)

Country Link
FR (1) FR2283444A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652906A1 (fr) * 1989-10-06 1991-04-12 Breed Automotive Tech Detecteur de changement de vitesse avec vis de reglage.
FR2653590A1 (fr) * 1989-10-06 1991-04-26 Breed Automotive Tech Detecteur bipolaire de changement de vitesse.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270560A (en) * 1964-02-19 1966-09-06 Thiokol Chemical Corp Critical condition indicator
US3498137A (en) * 1965-07-22 1970-03-03 Joel B Guin Motion measuring instrument
US3771368A (en) * 1971-02-22 1973-11-13 Singer Co Multi-output integrating accelerometer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270560A (en) * 1964-02-19 1966-09-06 Thiokol Chemical Corp Critical condition indicator
US3498137A (en) * 1965-07-22 1970-03-03 Joel B Guin Motion measuring instrument
US3771368A (en) * 1971-02-22 1973-11-13 Singer Co Multi-output integrating accelerometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652906A1 (fr) * 1989-10-06 1991-04-12 Breed Automotive Tech Detecteur de changement de vitesse avec vis de reglage.
FR2653590A1 (fr) * 1989-10-06 1991-04-26 Breed Automotive Tech Detecteur bipolaire de changement de vitesse.

Also Published As

Publication number Publication date
FR2283444B1 (enExample) 1977-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse