DE1254676B - Method and circuit arrangement for the encrypted transmission of television signals - Google Patents

Method and circuit arrangement for the encrypted transmission of television signals

Info

Publication number
DE1254676B
DE1254676B DE1961S0075316 DES0075316A DE1254676B DE 1254676 B DE1254676 B DE 1254676B DE 1961S0075316 DE1961S0075316 DE 1961S0075316 DE S0075316 A DES0075316 A DE S0075316A DE 1254676 B DE1254676 B DE 1254676B
Authority
DE
Germany
Prior art keywords
method
circuit arrangement
television signals
encrypted transmission
encrypted
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.)
Pending
Application number
DE1961S0075316
Other languages
German (de)
Inventor
Dr-Ing Adolf Krug
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE1961S0075316 priority Critical patent/DE1254676B/en
Publication of DE1254676B publication Critical patent/DE1254676B/en
Application status is Pending legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169Systems operating in the time domain of the television signal
DE1961S0075316 1961-08-15 1961-08-15 Method and circuit arrangement for the encrypted transmission of television signals Pending DE1254676B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1961S0075316 DE1254676B (en) 1961-08-15 1961-08-15 Method and circuit arrangement for the encrypted transmission of television signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1961S0075316 DE1254676B (en) 1961-08-15 1961-08-15 Method and circuit arrangement for the encrypted transmission of television signals

Publications (1)

Publication Number Publication Date
DE1254676B true DE1254676B (en) 1967-11-23

Family

ID=7505281

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1961S0075316 Pending DE1254676B (en) 1961-08-15 1961-08-15 Method and circuit arrangement for the encrypted transmission of television signals

Country Status (1)

Country Link
DE (1) DE1254676B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510046A (en) * 1947-04-18 1950-05-30 Zenith Radio Corp Radio-wire signaling system
US2619530A (en) * 1949-11-19 1952-11-25 Zenith Radio Corp Control system for subscription type television receivers
FR1034776A (en) * 1951-02-07 1953-07-31 Device encryption of television pictures
US2892882A (en) * 1955-02-21 1959-06-30 Paramount Pictures Corp Television secrecy system with width modulated synchronizing pulses
US2972009A (en) * 1957-08-01 1961-02-14 Zenith Radio Corp Subscription television system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510046A (en) * 1947-04-18 1950-05-30 Zenith Radio Corp Radio-wire signaling system
US2619530A (en) * 1949-11-19 1952-11-25 Zenith Radio Corp Control system for subscription type television receivers
FR1034776A (en) * 1951-02-07 1953-07-31 Device encryption of television pictures
US2892882A (en) * 1955-02-21 1959-06-30 Paramount Pictures Corp Television secrecy system with width modulated synchronizing pulses
US2972009A (en) * 1957-08-01 1961-02-14 Zenith Radio Corp Subscription television system

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