CH282898A - Fernsehempfänger zum Empfang eines verschlüsselten Fernsehsignales. - Google Patents

Fernsehempfänger zum Empfang eines verschlüsselten Fernsehsignales.

Info

Publication number
CH282898A
CH282898A CH282898DA CH282898A CH 282898 A CH282898 A CH 282898A CH 282898D A CH282898D A CH 282898DA CH 282898 A CH282898 A CH 282898A
Authority
CH
Switzerland
Prior art keywords
receiving
television
encrypted
signal
television receiver
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Zenith Radio
Original Assignee
Zenith Radio 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
Application filed by Zenith Radio Corp filed Critical Zenith Radio Corp
Publication of CH282898A publication Critical patent/CH282898A/de

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
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17345—Control of the passage of the selected programme
    • H04N7/17363—Control of the passage of the selected programme at or near the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Closed-Circuit Television Systems (AREA)
CH282898D 1950-05-08 1950-12-20 Fernsehempfänger zum Empfang eines verschlüsselten Fernsehsignales. CH282898A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11453/50A GB675061A (en) 1950-05-08 1950-05-08 Improvements in television transmitters

Publications (1)

Publication Number Publication Date
CH282898A true CH282898A (de) 1952-05-15

Family

ID=9986532

Family Applications (2)

Application Number Title Priority Date Filing Date
CH282897D CH282897A (de) 1950-05-08 1950-12-20 Fernsehsender mit verschlüsseltem Fernsehsignal.
CH282898D CH282898A (de) 1950-05-08 1950-12-20 Fernsehempfänger zum Empfang eines verschlüsselten Fernsehsignales.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH282897D CH282897A (de) 1950-05-08 1950-12-20 Fernsehsender mit verschlüsseltem Fernsehsignal.

Country Status (2)

Country Link
CH (2) CH282897A (de)
GB (2) GB675062A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126915B (de) * 1956-02-03 1962-04-05 Skiatron Electronics And Telev Fernsehanlage zur UEbertragung von verschluesselten Sendungen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112140C (de) * 1952-12-15
US2912486A (en) * 1955-01-12 1959-11-10 Skiatron Elect & Tele Subscription television system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126915B (de) * 1956-02-03 1962-04-05 Skiatron Electronics And Telev Fernsehanlage zur UEbertragung von verschluesselten Sendungen

Also Published As

Publication number Publication date
CH282897A (de) 1952-05-15
GB675061A (en) 1952-07-02
GB675062A (en) 1952-07-02

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