FR1287695A - Pay TV systems - Google Patents

Pay TV systems

Info

Publication number
FR1287695A
FR1287695A FR857292A FR857292A FR1287695A FR 1287695 A FR1287695 A FR 1287695A FR 857292 A FR857292 A FR 857292A FR 857292 A FR857292 A FR 857292A FR 1287695 A FR1287695 A FR 1287695A
Authority
FR
France
Prior art keywords
pay
systems
Prior art date
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
FR857292A
Other languages
French (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.)
Paramount Pictures Corp
Original Assignee
Paramount Pictures Corp
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
Priority claimed from US60410A external-priority patent/US3184537A/en
Application filed by Paramount Pictures Corp filed Critical Paramount Pictures Corp
Priority to FR857292A priority Critical patent/FR1287695A/en
Application granted granted Critical
Publication of FR1287695A publication Critical patent/FR1287695A/en
Expired 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
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
FR857292A 1960-10-04 1961-03-30 Pay TV systems Expired FR1287695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR857292A FR1287695A (en) 1960-10-04 1961-03-30 Pay TV systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60410A US3184537A (en) 1960-10-04 1960-10-04 Subscription-television system employing suppression of synchronizing signals
FR857292A FR1287695A (en) 1960-10-04 1961-03-30 Pay TV systems

Publications (1)

Publication Number Publication Date
FR1287695A true FR1287695A (en) 1962-03-16

Family

ID=26189906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857292A Expired FR1287695A (en) 1960-10-04 1961-03-30 Pay TV systems

Country Status (1)

Country Link
FR (1) FR1287695A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443778A1 (en) * 1978-12-04 1980-07-04 Oak Industries Inc METHOD AND DEVICE FOR ENCODING AND DECODING VIDEO SIGNALS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443778A1 (en) * 1978-12-04 1980-07-04 Oak Industries Inc METHOD AND DEVICE FOR ENCODING AND DECODING VIDEO SIGNALS

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