FR1472516A - Perfectionnements relatifs aux appareils de mesure de vitesse - Google Patents

Perfectionnements relatifs aux appareils de mesure de vitesse

Info

Publication number
FR1472516A
FR1472516A FR54707A FR54707A FR1472516A FR 1472516 A FR1472516 A FR 1472516A FR 54707 A FR54707 A FR 54707A FR 54707 A FR54707 A FR 54707A FR 1472516 A FR1472516 A FR 1472516A
Authority
FR
France
Prior art keywords
measuring devices
speed measuring
speed
devices
measuring
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
FR54707A
Other languages
English (en)
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
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
Priority claimed from GB1216265A external-priority patent/GB1143232A/en
Application filed by Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to FR54707A priority Critical patent/FR1472516A/fr
Application granted granted Critical
Publication of FR1472516A publication Critical patent/FR1472516A/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
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means
    • G01P3/665—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means for projectile velocity measurements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR54707A 1965-03-23 1966-03-23 Perfectionnements relatifs aux appareils de mesure de vitesse Expired FR1472516A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR54707A FR1472516A (fr) 1965-03-23 1966-03-23 Perfectionnements relatifs aux appareils de mesure de vitesse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1216265A GB1143232A (en) 1965-03-23 1965-03-23 Improvements relating to speed measuring apparatus
FR54707A FR1472516A (fr) 1965-03-23 1966-03-23 Perfectionnements relatifs aux appareils de mesure de vitesse

Publications (1)

Publication Number Publication Date
FR1472516A true FR1472516A (fr) 1967-03-10

Family

ID=26169414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR54707A Expired FR1472516A (fr) 1965-03-23 1966-03-23 Perfectionnements relatifs aux appareils de mesure de vitesse

Country Status (1)

Country Link
FR (1) FR1472516A (fr)

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