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AU6716890A - Impedance bonds - Google Patents

Impedance bonds

Info

Publication number
AU6716890A
AU6716890A AU67168/90A AU6716890A AU6716890A AU 6716890 A AU6716890 A AU 6716890A AU 67168/90 A AU67168/90 A AU 67168/90A AU 6716890 A AU6716890 A AU 6716890A AU 6716890 A AU6716890 A AU 6716890A
Authority
AU
Australia
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.)
Abandoned
Application number
AU67168/90A
Inventor
Michael Howells
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.)
HOWELLS RADIO PLC
Original Assignee
HOWELLS RADIO PLC
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 HOWELLS RADIO PLC filed Critical HOWELLS RADIO PLC
Publication of AU6716890A publication Critical patent/AU6716890A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • 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
    • B61L1/182—Use of current of indifferent sort or a combination of different current types

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
AU67168/90A 1989-11-08 1990-11-08 Impedance bonds Abandoned AU6716890A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8925211 1989-11-08
GB898925211A GB8925211D0 (en) 1989-11-08 1989-11-08 Improved impedance bond

Publications (1)

Publication Number Publication Date
AU6716890A true AU6716890A (en) 1991-06-13

Family

ID=10665926

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67168/90A Abandoned AU6716890A (en) 1989-11-08 1990-11-08 Impedance bonds

Country Status (3)

Country Link
AU (1) AU6716890A (en)
GB (1) GB8925211D0 (en)
WO (1) WO1991007766A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8333350B2 (en) 2008-12-26 2012-12-18 Mag-Con Engineering Double impedance bond

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623881C (en) * 1936-01-07 C H F Mueller Akt Ges Radial transformer
FR1116090A (en) * 1953-12-21 1956-05-03 Philips Glieilampenfabrieken N Process for manufacturing slats of a transformer magnetic circuit
DE1014151B (en) * 1956-01-07 1957-08-22 Deutsche Bundesbahn Block circuit with overway signal device
GB832510A (en) * 1956-04-17 1960-04-13 Siemens & Gen Electr Railway Improvements in or relating to railway track-circuit signalling systems
DE1605404A1 (en) * 1967-05-05 1971-03-25 Licentia Gmbh Device to avoid high-frequency short-circuits in the case of linear information transmission between trains and routes through track chokes
GB1601352A (en) * 1977-04-01 1981-10-28 Westinghouse Brake & Signal Impedance bonds
GB2127195A (en) * 1982-09-11 1984-04-04 Ml Eng Plymouth Impedance bond

Also Published As

Publication number Publication date
GB8925211D0 (en) 1989-12-28
WO1991007766A1 (en) 1991-05-30

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