GB1065399A - Improvements in arrangements for transmitting information to trains - Google Patents

Improvements in arrangements for transmitting information to trains

Info

Publication number
GB1065399A
GB1065399A GB2786764A GB2786764A GB1065399A GB 1065399 A GB1065399 A GB 1065399A GB 2786764 A GB2786764 A GB 2786764A GB 2786764 A GB2786764 A GB 2786764A GB 1065399 A GB1065399 A GB 1065399A
Authority
GB
United Kingdom
Prior art keywords
amplifiers
train control
rails
train
transformer
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
GB2786764A
Inventor
Oldrich Poupe
Karel Stoll
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.)
VYZK USTAV DOPRAVNI
Original Assignee
VYZK USTAV DOPRAVNI
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 VYZK USTAV DOPRAVNI filed Critical VYZK USTAV DOPRAVNI
Priority to GB2786764A priority Critical patent/GB1065399A/en
Publication of GB1065399A publication Critical patent/GB1065399A/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
    • B61L3/221—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using track circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

1,065,399. Automatic train control. VYZKUMNY USTAV DOPRAVNI. July 7, 1964, No. 27867/64. Heading B7N. In a train control arrangement in which train control signals in rails 1, 1<SP>1</SP> are induced in coils 2, 2<SP>1</SP> on the train, amplified in units 3, 3<SP>1</SP> and applied in the same phase via separate channels including band-pass filters 4, 4<SP>1</SP>, tuned to the train control signal frequency, and amplifiers 5, 5<SP>1</SP> to primary windings 6, 6<SP>1</SP> of a transformer which develop a combined signal in its secondary, interfering signals due to traction current surges in the rails and appearing at the outputs of amplifiers 3 in opposite phase are applied via traction current filters 7, 7<SP>1</SP> and amplifiers 8, 8<SP>1</SP> to a comparator 9 which as a result of the comparison adjusts the gain of one or other amplifiers 5, 5<SP>1</SP> in the control signal channels such that equal interference signals appear at the amplifier outputs and cancel in the transformer windings.
GB2786764A 1964-07-07 1964-07-07 Improvements in arrangements for transmitting information to trains Expired GB1065399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2786764A GB1065399A (en) 1964-07-07 1964-07-07 Improvements in arrangements for transmitting information to trains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2786764A GB1065399A (en) 1964-07-07 1964-07-07 Improvements in arrangements for transmitting information to trains

Publications (1)

Publication Number Publication Date
GB1065399A true GB1065399A (en) 1967-04-12

Family

ID=10266597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2786764A Expired GB1065399A (en) 1964-07-07 1964-07-07 Improvements in arrangements for transmitting information to trains

Country Status (1)

Country Link
GB (1) GB1065399A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5234184A (en) * 1991-11-27 1993-08-10 Union Switch & Signal Inc. Locomotive axle mounted cab signaling sensor
US5586736A (en) * 1995-06-16 1996-12-24 Harmon Industries, Inc. Cab signal sensor with noise suppression
US5628478A (en) * 1995-01-31 1997-05-13 Harmon Industries, Inc. Cab signal pickup system with motor noise reduction
EP0779196A1 (en) * 1995-12-15 1997-06-18 UNION SWITCH &amp; SIGNAL Inc. Cab signaling apparatus and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5234184A (en) * 1991-11-27 1993-08-10 Union Switch & Signal Inc. Locomotive axle mounted cab signaling sensor
US5628478A (en) * 1995-01-31 1997-05-13 Harmon Industries, Inc. Cab signal pickup system with motor noise reduction
US5586736A (en) * 1995-06-16 1996-12-24 Harmon Industries, Inc. Cab signal sensor with noise suppression
EP0779196A1 (en) * 1995-12-15 1997-06-18 UNION SWITCH &amp; SIGNAL Inc. Cab signaling apparatus and method

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