CH247560A - Process for the transmission of telegraphic characters in carrier current telegraph systems with a variable level. - Google Patents

Process for the transmission of telegraphic characters in carrier current telegraph systems with a variable level.

Info

Publication number
CH247560A
CH247560A CH247560DA CH247560A CH 247560 A CH247560 A CH 247560A CH 247560D A CH247560D A CH 247560DA CH 247560 A CH247560 A CH 247560A
Authority
CH
Switzerland
Prior art keywords
transmission
carrier current
variable level
telegraph systems
current telegraph
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides 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 Fides Gmbh filed Critical Fides Gmbh
Publication of CH247560A publication Critical patent/CH247560A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/08—Amplitude regulation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
CH247560D 1943-05-21 1944-05-22 Process for the transmission of telegraphic characters in carrier current telegraph systems with a variable level. CH247560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE247560X 1943-05-21

Publications (1)

Publication Number Publication Date
CH247560A true CH247560A (en) 1947-03-15

Family

ID=5935397

Family Applications (1)

Application Number Title Priority Date Filing Date
CH247560D CH247560A (en) 1943-05-21 1944-05-22 Process for the transmission of telegraphic characters in carrier current telegraph systems with a variable level.

Country Status (3)

Country Link
BE (1) BE457154A (en)
CH (1) CH247560A (en)
FR (1) FR906316A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE527569A (en) * 1953-05-21

Also Published As

Publication number Publication date
BE457154A (en)
FR906316A (en) 1945-12-31

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