FR870474A - Electrical communication and signaling system - Google Patents

Electrical communication and signaling system

Info

Publication number
FR870474A
FR870474A FR870474DA FR870474A FR 870474 A FR870474 A FR 870474A FR 870474D A FR870474D A FR 870474DA FR 870474 A FR870474 A FR 870474A
Authority
FR
France
Prior art keywords
electrical communication
signaling system
signaling
electrical
communication
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)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR870474A publication Critical patent/FR870474A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04J3/1676—Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR870474D 1939-10-06 1941-02-28 Electrical communication and signaling system Expired FR870474A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB870474X 1939-10-06
GB27369/39A GB535384A (en) 1939-10-06 1939-10-06 Improvements in or relating to electric signalling and communication systems

Publications (1)

Publication Number Publication Date
FR870474A true FR870474A (en) 1942-03-12

Family

ID=34839927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870474D Expired FR870474A (en) 1939-10-06 1941-02-28 Electrical communication and signaling system

Country Status (2)

Country Link
FR (1) FR870474A (en)
GB (1) GB535384A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE948986C (en) * 1942-06-10 1956-09-13 Telefunken Gmbh Circuit arrangement for receiving phase-modulated pulses

Also Published As

Publication number Publication date
GB535384A (en) 1941-04-08

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