FR947133A - Telegraph systems - Google Patents

Telegraph systems

Info

Publication number
FR947133A
FR947133A FR947133DA FR947133A FR 947133 A FR947133 A FR 947133A FR 947133D A FR947133D A FR 947133DA FR 947133 A FR947133 A FR 947133A
Authority
FR
France
Prior art keywords
telegraph systems
telegraph
systems
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
French (fr)
Inventor
Gilbert Sanford Vernam
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 FR947133A publication Critical patent/FR947133A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/50—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
    • H04L12/52—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication using time division techniques
    • H04L12/525—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication using time division techniques involving a stored program control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • 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
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
FR947133D 1939-03-25 1947-04-30 Telegraph systems Expired FR947133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US264071A US2266451A (en) 1939-03-25 1939-03-25 Telegraph system

Publications (1)

Publication Number Publication Date
FR947133A true FR947133A (en) 1949-06-23

Family

ID=23004441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947133D Expired FR947133A (en) 1939-03-25 1947-04-30 Telegraph systems

Country Status (4)

Country Link
US (1) US2266451A (en)
BE (1) BE473043A (en)
CH (1) CH270701A (en)
FR (1) FR947133A (en)

Also Published As

Publication number Publication date
US2266451A (en) 1941-12-16
BE473043A (en)
CH270701A (en) 1950-09-15

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