CA948300A - Vehicle communications - Google Patents

Vehicle communications

Info

Publication number
CA948300A
CA948300A CA145,648A CA145648A CA948300A CA 948300 A CA948300 A CA 948300A CA 145648 A CA145648 A CA 145648A CA 948300 A CA948300 A CA 948300A
Authority
CA
Canada
Prior art keywords
vehicle communications
communications
vehicle
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
CA145,648A
Other languages
English (en)
Other versions
CA145648S (en
Inventor
Alan H. Cribbens
Clive V. 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
Application granted granted Critical
Publication of CA948300A publication Critical patent/CA948300A/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
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/22—Capacitive coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Near-Field Transmission Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
CA145,648A 1971-06-29 1972-06-26 Vehicle communications Expired CA948300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3046371A GB1357753A (en) 1971-06-29 1971-06-29 Vehicle communications

Publications (1)

Publication Number Publication Date
CA948300A true CA948300A (en) 1974-05-28

Family

ID=10308096

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,648A Expired CA948300A (en) 1971-06-29 1972-06-26 Vehicle communications

Country Status (11)

Country Link
AT (1) AT325105B (forum.php)
AU (1) AU460338B2 (forum.php)
CA (1) CA948300A (forum.php)
CH (1) CH566233A5 (forum.php)
DE (1) DE2231818A1 (forum.php)
FR (1) FR2143816A1 (forum.php)
GB (1) GB1357753A (forum.php)
HU (1) HU167096B (forum.php)
IT (1) IT956817B (forum.php)
PL (1) PL75684B1 (forum.php)
ZA (1) ZA724340B (forum.php)

Also Published As

Publication number Publication date
AT325105B (de) 1975-10-10
HU167096B (forum.php) 1975-08-28
PL75684B1 (forum.php) 1974-12-31
GB1357753A (en) 1974-06-26
IT956817B (it) 1973-10-10
AU460338B2 (en) 1975-04-24
CH566233A5 (forum.php) 1975-09-15
AU4379072A (en) 1974-01-03
ZA724340B (en) 1973-03-28
FR2143816A1 (forum.php) 1973-02-09
DE2231818A1 (de) 1973-01-11

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