GB1107028A - Improvements relating to systems for transmitting information to moving trains - Google Patents

Improvements relating to systems for transmitting information to moving trains

Info

Publication number
GB1107028A
GB1107028A GB4884065A GB4884065A GB1107028A GB 1107028 A GB1107028 A GB 1107028A GB 4884065 A GB4884065 A GB 4884065A GB 4884065 A GB4884065 A GB 4884065A GB 1107028 A GB1107028 A GB 1107028A
Authority
GB
United Kingdom
Prior art keywords
loops
train
continuous
conductors
conductor
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
GB4884065A
Inventor
Harry Heggie Ogilvy
John George Springall Smith
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.)
British Railways Board
Original Assignee
British Railways Board
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 British Railways Board filed Critical British Railways Board
Priority to GB4884065A priority Critical patent/GB1107028A/en
Priority to GB2965167A priority patent/GB1147289A/en
Publication of GB1107028A publication Critical patent/GB1107028A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

1,107,028. Track apparatus. BRITISH RAILWAYS BOARD. 17 Nov., 1966 [17 Nov., 1965], No. 48840/65. Heading B7N. Information in binary form is transmitted to a train by means of conductor loops 14-17 connected in series with a pair of continuous conductors 10, 11 carrying A.C. current and positioned between the rails 12, 13. A pair of pick-up coils are provided on the train, one cooperating with the continuous, conductors and the other with the conductor loops. The loops are connected by closely adjacent conductors 18, 19 which thus produce negligible field and transmit binary " 1 " or " 0 " in dependance on the direction of current flow in the loop, e.g. the flow in loop 15 is opposite to that in the other loops. The direction of current flow is detected on the train by phase comparison of the voltage picked up from the loops with that picked up from the continuous conductor. One of the continuous conductors may be of wave form as shown, whereby the voltage in the associated pick-up coil is modulated at a frequency which is a function of train speed.
GB4884065A 1965-11-17 1965-11-17 Improvements relating to systems for transmitting information to moving trains Expired GB1107028A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4884065A GB1107028A (en) 1965-11-17 1965-11-17 Improvements relating to systems for transmitting information to moving trains
GB2965167A GB1147289A (en) 1965-11-17 1967-06-27 Improvements relating to systems for transmitting information to moving trains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4884065A GB1107028A (en) 1965-11-17 1965-11-17 Improvements relating to systems for transmitting information to moving trains

Publications (1)

Publication Number Publication Date
GB1107028A true GB1107028A (en) 1968-03-20

Family

ID=10450106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4884065A Expired GB1107028A (en) 1965-11-17 1965-11-17 Improvements relating to systems for transmitting information to moving trains

Country Status (1)

Country Link
GB (1) GB1107028A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046155Y1 (en) * 1970-01-31 1975-12-27
US6711332B2 (en) 2001-11-05 2004-03-23 Corning Incorporated Highly negative-slope dispersion compensating fiber and transmission system including same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046155Y1 (en) * 1970-01-31 1975-12-27
US6711332B2 (en) 2001-11-05 2004-03-23 Corning Incorporated Highly negative-slope dispersion compensating fiber and transmission system including same

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