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GB2278005B - Impedance bonds - Google Patents

Impedance bonds

Info

Publication number
GB2278005B
GB2278005B GB9309993A GB9309993A GB2278005B GB 2278005 B GB2278005 B GB 2278005B GB 9309993 A GB9309993 A GB 9309993A GB 9309993 A GB9309993 A GB 9309993A GB 2278005 B GB2278005 B GB 2278005B
Authority
GB
United Kingdom
Prior art keywords
impedance bonds
impedance
bonds
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 - Fee Related
Application number
GB9309993A
Other versions
GB2278005A (en
GB9309993D0 (en
Inventor
Malcolm Robin Reeves
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
Westinghouse Brake and Signal Holdings 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
Application filed by Westinghouse Brake and Signal Co Ltd, Westinghouse Brake and Signal Holdings Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB9309993A priority Critical patent/GB2278005B/en
Publication of GB9309993D0 publication Critical patent/GB9309993D0/en
Priority to EP94301669A priority patent/EP0624507B1/en
Priority to ES94301669T priority patent/ES2107746T3/en
Priority to DE1994606354 priority patent/DE69406354T2/en
Publication of GB2278005A publication Critical patent/GB2278005A/en
Application granted granted Critical
Publication of GB2278005B publication Critical patent/GB2278005B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
GB9309993A 1993-05-14 1993-05-14 Impedance bonds Expired - Fee Related GB2278005B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9309993A GB2278005B (en) 1993-05-14 1993-05-14 Impedance bonds
EP94301669A EP0624507B1 (en) 1993-05-14 1994-03-09 Impedance bonds
ES94301669T ES2107746T3 (en) 1993-05-14 1994-03-09 INDUCTIVE CONNECTIONS.
DE1994606354 DE69406354T2 (en) 1993-05-14 1994-03-09 Impedance connections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9309993A GB2278005B (en) 1993-05-14 1993-05-14 Impedance bonds

Publications (3)

Publication Number Publication Date
GB9309993D0 GB9309993D0 (en) 1993-06-30
GB2278005A GB2278005A (en) 1994-11-16
GB2278005B true GB2278005B (en) 1997-01-15

Family

ID=10735509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9309993A Expired - Fee Related GB2278005B (en) 1993-05-14 1993-05-14 Impedance bonds

Country Status (4)

Country Link
EP (1) EP0624507B1 (en)
DE (1) DE69406354T2 (en)
ES (1) ES2107746T3 (en)
GB (1) GB2278005B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278219B (en) * 1993-05-20 1997-01-22 Westinghouse Brake & Signal Railway track circuits

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240673A5 (en) * 1973-08-10 1975-03-07 Jeumont Schneider Railway system AC pulsed track circuits - eliminates stray interference effects from return traction current
IT1151495B (en) * 1980-04-18 1986-12-17 Ansaldo Sa HARMONIC TRACTION CURRENT DISTANCE DETECTOR IN TRACK CIRCUITS
IT1157785B (en) * 1982-11-23 1987-02-18 Sasib Spa IMBALANCE DETECTOR DEVICE BETWEEN THE TWO FRACTIONS OF THE TRACTION RETURN CURRENT ON THE TWO RAILS OF A RAILWAY TRACK

Also Published As

Publication number Publication date
DE69406354D1 (en) 1997-11-27
DE69406354T2 (en) 1998-05-20
GB2278005A (en) 1994-11-16
EP0624507B1 (en) 1997-10-22
ES2107746T3 (en) 1997-12-01
GB9309993D0 (en) 1993-06-30
EP0624507A1 (en) 1994-11-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070514