CH284629A - Installation de communication. - Google Patents

Installation de communication.

Info

Publication number
CH284629A
CH284629A CH284629DA CH284629A CH 284629 A CH284629 A CH 284629A CH 284629D A CH284629D A CH 284629DA CH 284629 A CH284629 A CH 284629A
Authority
CH
Switzerland
Prior art keywords
communication facility
facility
communication
Prior art date
Application number
Other languages
English (en)
Inventor
Limited Marconi S Wire Company
Original Assignee
Marconi Wireless Telegraph Co
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 Marconi Wireless Telegraph Co filed Critical Marconi Wireless Telegraph Co
Publication of CH284629A publication Critical patent/CH284629A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CH284629D 1947-03-28 1948-03-03 Installation de communication. CH284629A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB284629X 1947-03-28

Publications (1)

Publication Number Publication Date
CH284629A true CH284629A (fr) 1952-07-31

Family

ID=10276008

Family Applications (1)

Application Number Title Priority Date Filing Date
CH284629D CH284629A (fr) 1947-03-28 1948-03-03 Installation de communication.

Country Status (2)

Country Link
CH (1) CH284629A (fr)
GB (1) GB652364A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273002B (de) * 1963-09-11 1968-07-18 Siemens Ag Einrichtung zur verschluesselten UEbertragung von Sprachsignalen durch Vertauschung von Teilbaendern
AT257696B (de) * 1965-01-14 1967-10-25 Siemens Ag Schaltungsanordnung zur Sprachübertragung

Also Published As

Publication number Publication date
GB652364A (en) 1951-04-25

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