FR2524240B1 - - Google Patents

Info

Publication number
FR2524240B1
FR2524240B1 FR8205006A FR8205006A FR2524240B1 FR 2524240 B1 FR2524240 B1 FR 2524240B1 FR 8205006 A FR8205006 A FR 8205006A FR 8205006 A FR8205006 A FR 8205006A FR 2524240 B1 FR2524240 B1 FR 2524240B1
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
FR8205006A
Other languages
French (fr)
Other versions
FR2524240A1 (fr
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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 Radiotechnique SA filed Critical Radiotechnique SA
Priority to FR8205006A priority Critical patent/FR2524240A1/fr
Publication of FR2524240A1 publication Critical patent/FR2524240A1/fr
Application granted granted Critical
Publication of FR2524240B1 publication Critical patent/FR2524240B1/fr
Granted legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR8205006A 1982-03-24 1982-03-24 Circuit analogique de decryptage pour systeme de transmission d'emissions cryptees de television et systeme de transmission d'emissions cryptees comprenant un tel circuit Granted FR2524240A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8205006A FR2524240A1 (fr) 1982-03-24 1982-03-24 Circuit analogique de decryptage pour systeme de transmission d'emissions cryptees de television et systeme de transmission d'emissions cryptees comprenant un tel circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8205006A FR2524240A1 (fr) 1982-03-24 1982-03-24 Circuit analogique de decryptage pour systeme de transmission d'emissions cryptees de television et systeme de transmission d'emissions cryptees comprenant un tel circuit

Publications (2)

Publication Number Publication Date
FR2524240A1 FR2524240A1 (fr) 1983-09-30
FR2524240B1 true FR2524240B1 (enExample) 1984-05-04

Family

ID=9272335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8205006A Granted FR2524240A1 (fr) 1982-03-24 1982-03-24 Circuit analogique de decryptage pour systeme de transmission d'emissions cryptees de television et systeme de transmission d'emissions cryptees comprenant un tel circuit

Country Status (1)

Country Link
FR (1) FR2524240A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU658014B2 (en) * 1991-11-19 1995-03-30 Macrovision Corporation Method and apparatus for scrambling and descrambling of video signals with edge fill

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996576A (en) * 1959-02-20 1961-08-15 Ampex Video system with transient and dropout compensation
US3453380A (en) * 1966-10-03 1969-07-01 Zenith Radio Corp Variable delay network
US3679814A (en) * 1970-02-16 1972-07-25 Minnesota Mining & Mfg Dropout compensator for color television
US3689688A (en) * 1970-11-02 1972-09-05 Skiatron Elect & Tele Communications secrecy system

Also Published As

Publication number Publication date
FR2524240A1 (fr) 1983-09-30

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
CD Change of name or company name