BE474239A - - Google Patents

Info

Publication number
BE474239A
BE474239A BE474239DA BE474239A BE 474239 A BE474239 A BE 474239A BE 474239D A BE474239D A BE 474239DA BE 474239 A BE474239 A BE 474239A
Authority
BE
Belgium
Application number
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.)
Publication of BE474239A publication Critical patent/BE474239A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa
    • 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
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
BE474239D 1947-06-30 BE474239A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1015394T 1947-06-30

Publications (1)

Publication Number Publication Date
BE474239A true BE474239A (sv)

Family

ID=9572985

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474239D BE474239A (sv) 1947-06-30

Country Status (2)

Country Link
BE (1) BE474239A (sv)
FR (1) FR1015394A (sv)

Also Published As

Publication number Publication date
FR1015394A (fr) 1952-09-16

Similar Documents

Publication Publication Date Title
AT165657B (sv)
AT165716B (sv)
AT166672B (sv)
AT165673B (sv)
AT165884B (sv)
BE474505A (sv)
BE472149A (sv)
BE472071A (sv)
BE473400A (sv)
BE463900A (sv)
BE465296A (sv)
BE467279A (sv)
BE470620A (sv)
BE470671A (sv)
BE470729A (sv)
BE471160A (sv)
BE471167A (sv)
BE471206A (sv)
BE471414A (sv)
BE471467A (sv)
BE471492A (sv)
BE471627A (sv)
BE471830A (sv)
BE422748A (sv)
BE401708A (sv)