[go: up one dir, main page]

FR952400A - Device for converting direct current telegraph signals into alternating current signals - Google Patents

Device for converting direct current telegraph signals into alternating current signals

Info

Publication number
FR952400A
FR952400A FR952400DA FR952400A FR 952400 A FR952400 A FR 952400A FR 952400D A FR952400D A FR 952400DA FR 952400 A FR952400 A FR 952400A
Authority
FR
France
Prior art keywords
signals
converting direct
direct current
alternating current
telegraph
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)
Inventor
Henri Gardere
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 Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Application granted granted Critical
Publication of FR952400A publication Critical patent/FR952400A/en
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
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR952400D 1943-01-05 1943-01-05 Device for converting direct current telegraph signals into alternating current signals Expired FR952400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR952400T 1943-01-05

Publications (1)

Publication Number Publication Date
FR952400A true FR952400A (en) 1949-11-16

Family

ID=9486595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952400D Expired FR952400A (en) 1943-01-05 1943-01-05 Device for converting direct current telegraph signals into alternating current signals

Country Status (2)

Country Link
FR (1) FR952400A (en)
GB (1) GB613431A (en)

Also Published As

Publication number Publication date
GB613431A (en) 1948-11-29

Similar Documents

Publication Publication Date Title
FR919758A (en) Reception facility for television
CH258724A (en) Device for converting acoustic signals into electrical signals.
FR982957A (en) Device for distillation
FR952400A (en) Device for converting direct current telegraph signals into alternating current signals
CH279787A (en) Selection device for telecommunications installation.
FR52824E (en) Continuous photocopying device
FR892608A (en) Capping device
CH265982A (en) Receiving device for alternating current signals.
CH270404A (en) Device for retransmission of alternating current signals.
FR901413A (en) Receiving device for alternating current telegraph installations
FR904844A (en) Feed-through device for electrodes
FR905590A (en) Adjustment device for thermal transformers
FR901414A (en) Filtering device for alternating current telegraph installations
FR893502A (en) Electrical signal receiver
FR904455A (en) Welding device for alternating current
FR893471A (en) Transmission device, especially for remote controls
FR911994A (en) Switching device for paralleling
CH246390A (en) Apparatus for transmitting electrical signals.
FR903678A (en) AC signal receiving device
FR898216A (en) Reclosing device for mechanical current converters
FR944051A (en) Device for converting direct current into alternating current or vice versa
CH229697A (en) Self-regulating device for alternating current.
FR904233A (en) Device for automatic adjustment of earthing coils
CH262921A (en) Phase changer device.
FR904826A (en) Reaching device for suspended centrifuges