FR689699A - Automatic audible speed loss warning device - Google Patents

Automatic audible speed loss warning device

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
French (fr)
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/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
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/02—Measuring 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
    • G01P5/04—Measuring 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements 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 Automatic audible speed loss warning device Expired FR689699A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9027414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689699D Expired FR689699A (en) 1930-02-11 1930-02-11 Automatic audible speed loss warning device

Country Status (1)

Country Link
FR (1) FR689699A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907716C (en) * 1952-02-21 1954-03-29 Norbert Koch Device for displaying rotation and driving speeds, in particular for motor vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907716C (en) * 1952-02-21 1954-03-29 Norbert Koch Device for displaying rotation and driving speeds, in particular for motor vehicles

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