GB724752A - Improvements in or relating to the transmission of electric signals - Google Patents

Improvements in or relating to the transmission of electric signals

Info

Publication number
GB724752A
GB724752A GB5804/50A GB580450A GB724752A GB 724752 A GB724752 A GB 724752A GB 5804/50 A GB5804/50 A GB 5804/50A GB 580450 A GB580450 A GB 580450A GB 724752 A GB724752 A GB 724752A
Authority
GB
United Kingdom
Prior art keywords
amplitude
message
pulses
pulse
signals
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
GB5804/50A
Other languages
English (en)
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
Publication of GB724752A publication Critical patent/GB724752A/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)
GB5804/50A 1949-03-07 1950-03-07 Improvements in or relating to the transmission of electric signals Expired GB724752A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB724752A true GB724752A (en) 1955-02-23

Family

ID=9538055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5804/50A Expired GB724752A (en) 1949-03-07 1950-03-07 Improvements in or relating to the transmission of electric signals

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643204B1 (fr) * 1989-02-13 1994-03-25 Ruty Jean Luc Dispositif de decodage d'un systeme de transmission audio en plusieurs langues codees et un systeme de codage audio en plusieurs langues

Also Published As

Publication number Publication date
BE494210A (enrdf_load_html_response)
FR986449A (fr) 1951-07-31
FR60064E (fr) 1954-09-22

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