FR689699A - Avertisseur automatfque sonore de perte de vitesse - Google Patents

Avertisseur automatfque sonore de perte de vitesse

Info

Publication number
FR689699A
FR689699A FR689699DA FR689699A FR 689699 A FR689699 A FR 689699A FR 689699D A FR689699D A FR 689699DA FR 689699 A FR689699 A FR 689699A
Authority
FR
France
Prior art keywords
warning device
speed loss
loss warning
automatic audible
audible speed
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
Other languages
English (en)
Inventor
Pierre-Jean-Alexandr Maulde
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 filed Critical
Application granted granted Critical
Publication of FR689699A publication Critical patent/FR689699A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/02Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
    • G01P5/04Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using deflection of baffle-plates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00Details of instruments
    • G01P1/07Indicating devices, e.g. for remote indication
    • G01P1/08Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR689699D 1930-02-11 1930-02-11 Avertisseur automatfque sonore de perte de vitesse Expired FR689699A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR689699T 1930-02-11

Publications (1)

Publication Number Publication Date
FR689699A true FR689699A (fr) 1930-09-10

Family

ID=9027414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689699D Expired FR689699A (fr) 1930-02-11 1930-02-11 Avertisseur automatfque sonore de perte de vitesse

Country Status (1)

Country Link
FR (1) FR689699A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907716C (de) * 1952-02-21 1954-03-29 Norbert Koch Vorrichtung zur Anzeige von Umdrehungs- und Fahrgeschwindigkeiten, insbesondere fuer Kraftfahrzeuge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907716C (de) * 1952-02-21 1954-03-29 Norbert Koch Vorrichtung zur Anzeige von Umdrehungs- und Fahrgeschwindigkeiten, insbesondere fuer Kraftfahrzeuge

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