CA943659A - Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded information - Google Patents

Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded information

Info

Publication number
CA943659A
CA943659A CA159,715A CA159715A CA943659A CA 943659 A CA943659 A CA 943659A CA 159715 A CA159715 A CA 159715A CA 943659 A CA943659 A CA 943659A
Authority
CA
Canada
Prior art keywords
coded information
communication system
voltage level
locked loop
vehicle communication
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
CA159,715A
Other languages
English (en)
Other versions
CA159715S (en
Inventor
Gerald P. Esmer
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of CA943659A publication Critical patent/CA943659A/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
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/70—Details of trackside communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
CA159,715A 1972-04-03 1972-12-21 Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded information Expired CA943659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24040272A 1972-04-03 1972-04-03

Publications (1)

Publication Number Publication Date
CA943659A true CA943659A (en) 1974-03-12

Family

ID=22906367

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,715A Expired CA943659A (en) 1972-04-03 1972-12-21 Automatic vehicle communication system having a phase locked loop for converting frequency coded information to voltage level coded information

Country Status (6)

Country Link
JP (1) JPS497917A (cs)
CA (1) CA943659A (cs)
DE (1) DE2315606A1 (cs)
FR (1) FR2179393A5 (cs)
GB (1) GB1374228A (cs)
IT (1) IT983637B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3040137C2 (de) * 1980-10-24 1987-01-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart Punktförmige Einrichtung zur Übertragung von Information zwischen einer Trasse und auf dieser geführten Fahrzeugen
GB2223913A (en) * 1988-10-15 1990-04-18 Electronic Components Ltd Data communication system
CN114435431B (zh) * 2022-01-13 2023-07-14 北京和利时系统集成有限公司 确定车门与站台门对应关系的方法及装置

Also Published As

Publication number Publication date
DE2315606A1 (de) 1973-10-18
GB1374228A (en) 1974-11-20
JPS497917A (cs) 1974-01-24
FR2179393A5 (cs) 1973-11-16
IT983637B (it) 1974-11-11

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