FR1496202A - Differential speed measuring device - Google Patents

Differential speed measuring device

Info

Publication number
FR1496202A
FR1496202A FR73339A FR73339A FR1496202A FR 1496202 A FR1496202 A FR 1496202A FR 73339 A FR73339 A FR 73339A FR 73339 A FR73339 A FR 73339A FR 1496202 A FR1496202 A FR 1496202A
Authority
FR
France
Prior art keywords
measuring device
speed measuring
differential speed
differential
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
FR73339A
Other languages
French (fr)
Inventor
Henri Sulzer
Paul Lamorlette
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.)
Alcatel Lucent SAS
Eclairage des Vehicules Sur Rail EVR SA
Original Assignee
Eclairage des Vehicules Sur Rail EVR SA
Compagnie Generale dElectricite 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 Eclairage des Vehicules Sur Rail EVR SA, Compagnie Generale dElectricite SA filed Critical Eclairage des Vehicules Sur Rail EVR SA
Priority to FR73339A priority Critical patent/FR1496202A/en
Application granted granted Critical
Publication of FR1496202A publication Critical patent/FR1496202A/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
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G01P3/366—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light by using diffraction of light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/021—Measuring and recording of train speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR73339A 1966-08-17 1966-08-17 Differential speed measuring device Expired FR1496202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR73339A FR1496202A (en) 1966-08-17 1966-08-17 Differential speed measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR73339A FR1496202A (en) 1966-08-17 1966-08-17 Differential speed measuring device

Publications (1)

Publication Number Publication Date
FR1496202A true FR1496202A (en) 1967-09-29

Family

ID=8615536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR73339A Expired FR1496202A (en) 1966-08-17 1966-08-17 Differential speed measuring device

Country Status (1)

Country Link
FR (1) FR1496202A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2215576A1 (en) * 1972-03-30 1973-10-11 Leitz Ernst Gmbh PROCEDURES AND EQUIPMENT FOR MEASURING, REGULATING AND / OR DISPLAYING THE MOVEMENT OF LAND VEHICLES
WO2009030519A1 (en) * 2007-09-04 2009-03-12 Siemens Schweiz Ag Method and system for measuring the speed of rail vehicles
CN114987579A (en) * 2022-05-26 2022-09-02 中车青岛四方机车车辆股份有限公司 Rail vehicle and speed measuring and positioning system thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2215576A1 (en) * 1972-03-30 1973-10-11 Leitz Ernst Gmbh PROCEDURES AND EQUIPMENT FOR MEASURING, REGULATING AND / OR DISPLAYING THE MOVEMENT OF LAND VEHICLES
WO2009030519A1 (en) * 2007-09-04 2009-03-12 Siemens Schweiz Ag Method and system for measuring the speed of rail vehicles
CN114987579A (en) * 2022-05-26 2022-09-02 中车青岛四方机车车辆股份有限公司 Rail vehicle and speed measuring and positioning system thereof

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