GB818782A - Speed-measuring system - Google Patents

Speed-measuring system

Info

Publication number
GB818782A
GB818782A GB36213/56A GB3621356A GB818782A GB 818782 A GB818782 A GB 818782A GB 36213/56 A GB36213/56 A GB 36213/56A GB 3621356 A GB3621356 A GB 3621356A GB 818782 A GB818782 A GB 818782A
Authority
GB
United Kingdom
Prior art keywords
speed
track
head
signals
magnetic
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
GB36213/56A
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.)
FORGES ER ATELIERS DE CONST EL
Original Assignee
FORGES ER ATELIERS DE CONST EL
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 FORGES ER ATELIERS DE CONST EL filed Critical FORGES ER ATELIERS DE CONST EL
Publication of GB818782A publication Critical patent/GB818782A/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
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L17/00—Switching systems for classification yards
    • 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
    • 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
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/54—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring frequency of generated current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB36213/56A 1955-12-30 1956-11-27 Speed-measuring system Expired GB818782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031033X 1955-12-30

Publications (1)

Publication Number Publication Date
GB818782A true GB818782A (en) 1959-08-26

Family

ID=9582889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36213/56A Expired GB818782A (en) 1955-12-30 1956-11-27 Speed-measuring system

Country Status (5)

Country Link
BE (1) BE553549A (enrdf_load_stackoverflow)
CH (1) CH342388A (enrdf_load_stackoverflow)
DE (1) DE1031033B (enrdf_load_stackoverflow)
FR (2) FR1139526A (enrdf_load_stackoverflow)
GB (1) GB818782A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402350A (en) * 1965-12-06 1968-09-17 Richard L. Shellabarger Method and product for standardizing tape recording and playback systems
US4968934A (en) * 1987-10-23 1990-11-06 Societe Nationale Elf Aquitaine Magnetic marking apparatus for magnetically measuring displacement of a moveable element in a well

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641748A1 (de) * 1986-12-06 1988-06-16 Hoesch Stahl Ag Verfahren und vorrichtung zur messung und regelung des verformungsgrades
JPH01114759A (ja) * 1987-10-28 1989-05-08 Nippon Soken Inc 変位速度検出器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576424A (en) * 1945-05-09 1951-11-27 Philco Corp Automatic speed control for railguided vehicles
FR1002216A (fr) * 1946-08-16 1952-03-04 Clair Echo Soc Régulateur de vitesse électronique par impulsions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402350A (en) * 1965-12-06 1968-09-17 Richard L. Shellabarger Method and product for standardizing tape recording and playback systems
US4968934A (en) * 1987-10-23 1990-11-06 Societe Nationale Elf Aquitaine Magnetic marking apparatus for magnetically measuring displacement of a moveable element in a well

Also Published As

Publication number Publication date
FR69314E (fr) 1958-10-23
CH342388A (fr) 1959-11-15
BE553549A (enrdf_load_stackoverflow)
FR1139526A (fr) 1957-07-02
DE1031033B (de) 1958-05-29

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