FR789662A - Installation télégraphique fonctionnant en double courant - Google Patents

Installation télégraphique fonctionnant en double courant

Info

Publication number
FR789662A
FR789662A FR789662DA FR789662A FR 789662 A FR789662 A FR 789662A FR 789662D A FR789662D A FR 789662DA FR 789662 A FR789662 A FR 789662A
Authority
FR
France
Prior art keywords
double current
current telegraph
installation
telegraph installation
double
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)
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.)
Nationale Telephon & Telegraphenwerke GmbH
Original Assignee
Nationale Telephon & Telegraphenwerke GmbH
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 Nationale Telephon & Telegraphenwerke GmbH filed Critical Nationale Telephon & Telegraphenwerke GmbH
Application granted granted Critical
Publication of FR789662A publication Critical patent/FR789662A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/207—Repeater circuits; Relay circuits using electromagnetic switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR789662D 1934-05-19 1935-05-06 Installation télégraphique fonctionnant en double courant Expired FR789662A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE442192X 1934-05-19

Publications (1)

Publication Number Publication Date
FR789662A true FR789662A (fr) 1935-11-04

Family

ID=6521284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR789662D Expired FR789662A (fr) 1934-05-19 1935-05-06 Installation télégraphique fonctionnant en double courant

Country Status (3)

Country Link
US (1) US2047091A (fr)
FR (1) FR789662A (fr)
GB (2) GB442192A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501118A (en) * 1947-03-28 1950-03-21 Teletype Corp Arrangement for introducing electrical bias
NL190297A (nl) * 1954-06-28 Matsushita Electric Industrial Co Ltd Beeldweergeefinrichting met plat vacuuemhuis.

Also Published As

Publication number Publication date
US2047091A (en) 1936-07-07
GB442278A (en) 1936-02-05
GB442192A (en) 1936-02-04

Similar Documents

Publication Publication Date Title
DK57440C (da) Isolationsplade.
FR789662A (fr) Installation télégraphique fonctionnant en double courant
FR780162A (fr) Prise de courant
FR784709A (fr) Interrupteur pour installations à courant faible
FR780447A (fr) Installation télégraphique fonctionnant en double courant
FR791823A (fr) Réseaux électriques
FR786365A (fr) Récepteur télégraphique
CH189487A (de) Installationsschalter.
FR795132A (fr) Prise de courant formant interrupteur, antigrisouteuse
FR783176A (fr) Régulateur de courant perfectionné
FR776922A (fr) Persienne calorifuge
DK55499C (da) Konaksial Leder med Luftrumsisolation.
ES2640Y (es) Limitador de corriente eléctrica.
CH182814A (de) Leistungsschalter.
DK55815C (da) Elektrisk Primærelement.
ES133823A1 (es) Un dispositivo limitador de tensión eléctrica.
FR821296A (fr) Installations télégraphiques
DK53162C (da) Elektrisk Modstand.
FR770937A (fr) Robinet électrique
DK51679C (da) Elektrisk Centralanlæg.
DK55500C (da) Elektrisk Installationselement.
FR780464A (fr) Installation de pompage
CH189489A (de) Schaltanlage.
FR786717A (fr) Disposition de bornes de raccordement multiples
FR788446A (fr) Perfectionnements aux transformateurs de courant