FR982995A - Systèmes de signalisation à ondes porteuses - Google Patents

Systèmes de signalisation à ondes porteuses

Info

Publication number
FR982995A
FR982995A FR982995DA FR982995A FR 982995 A FR982995 A FR 982995A FR 982995D A FR982995D A FR 982995DA FR 982995 A FR982995 A FR 982995A
Authority
FR
France
Prior art keywords
carrier wave
signaling systems
wave signaling
systems
carrier
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
English (en)
Inventor
Frank Coram Wright
Sydney Ernest Aldrick
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR982995A publication Critical patent/FR982995A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR982995D 1940-05-23 1947-12-30 Systèmes de signalisation à ondes porteuses Expired FR982995A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB912140A GB541373A (en) 1940-05-23 1940-05-23 Improvements in or relating to carrier wave signalling systems

Publications (1)

Publication Number Publication Date
FR982995A true FR982995A (fr) 1951-06-18

Family

ID=9865767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982995D Expired FR982995A (fr) 1940-05-23 1947-12-30 Systèmes de signalisation à ondes porteuses

Country Status (2)

Country Link
FR (1) FR982995A (fr)
GB (1) GB541373A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012686B (de) * 1955-05-24 1957-07-25 Siemens Ag Schaltungsanordnung zur Ermittlung des Fehlerorts in elektrischen Leitungs- bzw. Kabelstrecken mit in Reihe liegenden stromdurchflossenen Widerstaenden, vorzugsweise beiSpeisestromkreisen in Seekabelverstaerkern

Also Published As

Publication number Publication date
GB541373A (en) 1941-11-25

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