FR1454273A - Inter-channel telegraph system with duplex channel frequency system - Google Patents

Inter-channel telegraph system with duplex channel frequency system

Info

Publication number
FR1454273A
FR1454273A FR38824A FR38824A FR1454273A FR 1454273 A FR1454273 A FR 1454273A FR 38824 A FR38824 A FR 38824A FR 38824 A FR38824 A FR 38824A FR 1454273 A FR1454273 A FR 1454273A
Authority
FR
France
Prior art keywords
channel
inter
duplex
telegraph
channel frequency
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
FR38824A
Other languages
French (fr)
Inventor
Gerhard Mueller
Heinz Piechatzek
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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 Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Application granted granted Critical
Publication of FR1454273A publication Critical patent/FR1454273A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
FR38824A 1964-11-17 1965-11-17 Inter-channel telegraph system with duplex channel frequency system Expired FR1454273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET27431A DE1244839B (en) 1964-11-17 1964-11-17 Storage telegraph system based on the frequency equalization method

Publications (1)

Publication Number Publication Date
FR1454273A true FR1454273A (en) 1966-07-22

Family

ID=7553486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38824A Expired FR1454273A (en) 1964-11-17 1965-11-17 Inter-channel telegraph system with duplex channel frequency system

Country Status (3)

Country Link
DE (1) DE1244839B (en)
FR (1) FR1454273A (en)
NL (1) NL148466B (en)

Also Published As

Publication number Publication date
DE1244839B (en) 1967-07-20
NL6514883A (en) 1966-05-18
NL148466B (en) 1976-01-15

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