FR986449A - Method and means for the transmission of electrical signals - Google Patents

Method and means for the transmission of electrical signals

Info

Publication number
FR986449A
FR986449A FR986449DA FR986449A FR 986449 A FR986449 A FR 986449A FR 986449D A FR986449D A FR 986449DA FR 986449 A FR986449 A FR 986449A
Authority
FR
France
Prior art keywords
transmission
electrical signals
signals
electrical
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
Francois-Henri Raymond
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.)
Societe dElectronique et dAutomatisme SA
Original Assignee
Societe dElectronique et dAutomatisme SA
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 Societe dElectronique et dAutomatisme SA filed Critical Societe dElectronique et dAutomatisme SA
Application granted granted Critical
Publication of FR986449A publication Critical patent/FR986449A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/06—Calling by using amplitude or polarity of dc

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
FR986449D 1949-03-07 1949-03-07 Method and means for the transmission of electrical signals Expired FR986449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986449T 1949-03-07

Publications (1)

Publication Number Publication Date
FR986449A true FR986449A (en) 1951-07-31

Family

ID=9538055

Family Applications (2)

Application Number Title Priority Date Filing Date
FR986449D Expired FR986449A (en) 1949-03-07 1949-03-07 Method and means for the transmission of electrical signals
FR60064D Expired FR60064E (en) 1949-03-07 1950-02-15 Method and means for the transmission of electrical signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR60064D Expired FR60064E (en) 1949-03-07 1950-02-15 Method and means for the transmission of electrical signals

Country Status (3)

Country Link
BE (1) BE494210A (en)
FR (2) FR986449A (en)
GB (1) GB724752A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643204A1 (en) * 1989-02-13 1990-08-17 Ruty Jean Luc Device for decoding an audio transmission system into several coded languages and a system for audio coding into several languages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643204A1 (en) * 1989-02-13 1990-08-17 Ruty Jean Luc Device for decoding an audio transmission system into several coded languages and a system for audio coding into several languages

Also Published As

Publication number Publication date
BE494210A (en)
FR60064E (en) 1954-09-22
GB724752A (en) 1955-02-23

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