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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J7/00Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements 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
    • H04Q9/06Calling 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_stackoverflow)
FR (2) FR986449A (enrdf_load_stackoverflow)
GB (1) GB724752A (enrdf_load_stackoverflow)

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
FR60064E (fr) 1954-09-22
FR986449A (fr) 1951-07-31
BE494210A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2403210A (en) Multiplex pulse modulation system
GB694757A (en) Secrecy communication system
GB1371499A (en) Time division multichannel on-off signal transmission system
US2670463A (en) Method and means for remote selecting members
GB987898A (en) Improvements in or relating to systems for switching devices for sequentially transmitted signals
US2559644A (en) Pulse multiplex system
GB840502A (en) Improvements in or relating to electrical signal transmission systems
US2861257A (en) Power line relaying
GB724752A (en) Improvements in or relating to the transmission of electric signals
US3836887A (en) Control system for electric installations on vehicle
GB509820A (en) Improvements in or relating to electric signalling systems
US2721308A (en) Pulse modulation signalling systems
GB840501A (en) System for the transmission of signals
GB661020A (en) Binary coding circuits for electric pulse code modulation systems of communication
US2524861A (en) Telemetering system for radio links
US2672516A (en) Method and means for transmitting electric signals
US2735083A (en) Finlay
GB970315A (en) Circuit arrangement for sending and receiving code signals
GB959274A (en) Cueing system for television
GB1296405A (enrdf_load_stackoverflow)
GB886663A (en) Improvements relating to remote control systems
GB693859A (en) Improvements in or relating to electric pulse signalling systems
JPS57170633A (en) Site diversity communication system
GB1053492A (enrdf_load_stackoverflow)
GB649825A (en) Improvements in or relating to signalling systems using coded pulses