FR1081999A - Dispositif de mesure de la vitesse d'un mobile - Google Patents

Dispositif de mesure de la vitesse d'un mobile

Info

Publication number
FR1081999A
FR1081999A FR1081999DA FR1081999A FR 1081999 A FR1081999 A FR 1081999A FR 1081999D A FR1081999D A FR 1081999DA FR 1081999 A FR1081999 A FR 1081999A
Authority
FR
France
Prior art keywords
mobile
measuring
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
Robert Louis
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 FR1081999A publication Critical patent/FR1081999A/fr
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
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR1081999D 1953-05-19 1953-05-19 Dispositif de mesure de la vitesse d'un mobile Expired FR1081999A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1081999T 1953-05-19

Publications (1)

Publication Number Publication Date
FR1081999A true FR1081999A (fr) 1954-12-24

Family

ID=9610465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081999D Expired FR1081999A (fr) 1953-05-19 1953-05-19 Dispositif de mesure de la vitesse d'un mobile

Country Status (1)

Country Link
FR (1) FR1081999A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644122C1 (de) * 1996-10-23 1998-01-15 Siemens Ag Vorrichtung zur Geschwindigkeitsmessung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644122C1 (de) * 1996-10-23 1998-01-15 Siemens Ag Vorrichtung zur Geschwindigkeitsmessung

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