FR944381A - Systèmes de signalisation à voies multiples - Google Patents

Systèmes de signalisation à voies multiples

Info

Publication number
FR944381A
FR944381A FR944381DA FR944381A FR 944381 A FR944381 A FR 944381A FR 944381D A FR944381D A FR 944381DA FR 944381 A FR944381 A FR 944381A
Authority
FR
France
Prior art keywords
signaling systems
multiple lane
lane signaling
systems
signaling
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
Other languages
English (en)
French (fr)
Inventor
Kenneth George Hodgson
Frank Fairley
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR944381A publication Critical patent/FR944381A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/045—Filters applied to frequency transposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Telephonic Communication Services (AREA)
FR944381D 1946-04-08 1947-03-14 Systèmes de signalisation à voies multiples Expired FR944381A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1074846A GB602229A (en) 1946-04-08 1946-04-08 Improvements in or relating to multi-channel carrier communication systems

Publications (1)

Publication Number Publication Date
FR944381A true FR944381A (fr) 1949-04-04

Family

ID=9973557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944381D Expired FR944381A (fr) 1946-04-08 1947-03-14 Systèmes de signalisation à voies multiples

Country Status (4)

Country Link
ES (1) ES177703A1 (ja)
FR (1) FR944381A (ja)
GB (1) GB602229A (ja)
NL (1) NL75113C (ja)

Also Published As

Publication number Publication date
GB602229A (en) 1948-05-21
NL75113C (ja)
ES177703A1 (es) 1947-06-01

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