CH254683A - Installation pour la transmission de signaux par courants porteurs. - Google Patents

Installation pour la transmission de signaux par courants porteurs.

Info

Publication number
CH254683A
CH254683A CH254683DA CH254683A CH 254683 A CH254683 A CH 254683A CH 254683D A CH254683D A CH 254683DA CH 254683 A CH254683 A CH 254683A
Authority
CH
Switzerland
Prior art keywords
installation
signals
transmission
power lines
lines
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
D Electricite Compagn Generale
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH254683A publication Critical patent/CH254683A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CH254683D 1945-05-07 1946-03-11 Installation pour la transmission de signaux par courants porteurs. CH254683A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR892460X 1945-05-07

Publications (1)

Publication Number Publication Date
CH254683A true CH254683A (fr) 1948-05-15

Family

ID=9389590

Family Applications (1)

Application Number Title Priority Date Filing Date
CH254683D CH254683A (fr) 1945-05-07 1946-03-11 Installation pour la transmission de signaux par courants porteurs.

Country Status (6)

Country Link
US (1) US2471319A (pm)
CH (1) CH254683A (pm)
DE (1) DE892460C (pm)
FR (2) FR996628A (pm)
GB (1) GB629532A (pm)
NL (1) NL62039C (pm)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819339A (en) * 1956-01-12 1958-01-07 William E Scoville R. f. phase shift keying system for teletype communication
US3078344A (en) * 1960-10-25 1963-02-19 Robertshaw Fulton Controls Co Phase demodulation of keyed carrier by use of synchronous gating, with phase lock driven step wise in response to forbidden output
DE1137759B (de) * 1961-09-19 1962-10-11 Siemens Ag Verfahren zur UEbertragung von Start-Stop-Telegrafiezeichen mit Hilfe einer quaternaer phasenmodulierten Traegerfrequenz

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901642A (en) * 1929-12-23 1933-03-14 Rca Corp Signaling
GB453254A (en) * 1934-11-15 1936-09-08 Soc Et Liaisons Telephoniques Improvements in or relating to telegraph signalling systems
BE427593A (pm) * 1937-04-19

Also Published As

Publication number Publication date
GB629532A (en) 1949-09-22
NL62039C (pm)
FR996628A (fr) 1951-12-24
FR56738E (fr) 1952-10-03
US2471319A (en) 1949-05-24
DE892460C (de) 1953-10-08

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