FR981520A - Signal transmission system - Google Patents

Signal transmission system

Info

Publication number
FR981520A
FR981520A FR981520DA FR981520A FR 981520 A FR981520 A FR 981520A FR 981520D A FR981520D A FR 981520DA FR 981520 A FR981520 A FR 981520A
Authority
FR
France
Prior art keywords
signal transmission
transmission system
signal
transmission
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
Pierre Marzin
Rene Sueur
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 filed Critical
Application granted granted Critical
Publication of FR981520A publication Critical patent/FR981520A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR981520D 1943-04-28 1943-04-28 Signal transmission system Expired FR981520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR885871X 1943-04-28

Publications (1)

Publication Number Publication Date
FR981520A true FR981520A (en) 1951-05-28

Family

ID=9375642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981520D Expired FR981520A (en) 1943-04-28 1943-04-28 Signal transmission system

Country Status (2)

Country Link
DE (1) DE885871C (en)
FR (1) FR981520A (en)

Also Published As

Publication number Publication date
DE885871C (en) 1953-08-10

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