FR1605476A - - Google Patents

Info

Publication number
FR1605476A
FR1605476A FR826801A FR826801A FR1605476A FR 1605476 A FR1605476 A FR 1605476A FR 826801 A FR826801 A FR 826801A FR 826801 A FR826801 A FR 826801A FR 1605476 A FR1605476 A FR 1605476A
Authority
FR
France
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
FR826801A
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 filed Critical
Application granted granted Critical
Publication of FR1605476A publication Critical patent/FR1605476A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Facsimile Transmission Control (AREA)
FR826801A 1959-05-08 1960-05-09 Expired FR1605476A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0036329 1959-05-08

Publications (1)

Publication Number Publication Date
FR1605476A true FR1605476A (fr) 1976-12-31

Family

ID=7152973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826801A Expired FR1605476A (fr) 1959-05-08 1960-05-09

Country Status (2)

Country Link
FR (1) FR1605476A (fr)
GB (1) GB1449597A (fr)

Also Published As

Publication number Publication date
GB1449597A (en) 1976-09-15

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