CH350322A - Schlüsselungseinrichtung für Abonnementsfernsehanlagen - Google Patents

Schlüsselungseinrichtung für Abonnementsfernsehanlagen

Info

Publication number
CH350322A
CH350322A CH350322DA CH350322A CH 350322 A CH350322 A CH 350322A CH 350322D A CH350322D A CH 350322DA CH 350322 A CH350322 A CH 350322A
Authority
CH
Switzerland
Prior art keywords
coding device
television systems
subscription television
subscription
systems
Prior art date
Application number
Other languages
English (en)
Inventor
Vincent Morris George
Terek Louis
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 CH350322A publication Critical patent/CH350322A/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
    • H04N7/161—Constructional details of the subscriber equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • 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
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Transceivers (AREA)
  • Switches With Compound Operations (AREA)
CH350322D 1955-02-23 1956-02-22 Schlüsselungseinrichtung für Abonnementsfernsehanlagen CH350322A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US490078A US2980901A (en) 1955-02-23 1955-02-23 Subscription television encoding apparatus

Publications (1)

Publication Number Publication Date
CH350322A true CH350322A (de) 1960-11-30

Family

ID=23946539

Family Applications (1)

Application Number Title Priority Date Filing Date
CH350322D CH350322A (de) 1955-02-23 1956-02-22 Schlüsselungseinrichtung für Abonnementsfernsehanlagen

Country Status (6)

Country Link
US (1) US2980901A (de)
BE (1) BE545469A (de)
CH (1) CH350322A (de)
DE (1) DE1051899B (de)
FR (1) FR1148582A (de)
GB (1) GB834216A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943308A (en) * 1973-08-18 1976-03-09 Becker Flugfunwerk Gmbh Control for navigation receivers, radio compasses, radio, and aircraft telephony, transponders and the like
US4013847A (en) * 1975-07-24 1977-03-22 Westinghouse Electric Corporation No-load tap changer switch with rack and pinion gear operating mechanism

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039568A (en) * 1932-04-27 1936-05-05 Richards Wilcox Mfg Co Elevator signal apparatus
US2121584A (en) * 1934-03-16 1938-06-21 Lothar A Ederer Electrical set-up mechanism
US2270439A (en) * 1939-02-09 1942-01-20 George T Hosking Combination lock with electrical switch control
US2320150A (en) * 1940-07-09 1943-05-25 William R Lockridge Code selective apparatus
US2267936A (en) * 1940-07-27 1941-12-30 Bell Telephone Labor Inc Impulse code converter
US2495162A (en) * 1946-06-20 1950-01-17 Woodward Governor Co Follow-up mechanism

Also Published As

Publication number Publication date
FR1148582A (fr) 1957-12-11
BE545469A (de)
GB834216A (en) 1960-05-04
DE1051899B (de) 1959-03-05
US2980901A (en) 1961-04-18

Similar Documents

Publication Publication Date Title
CH325692A (de) Gehäuse für Fernsehempfänger
FR1197651A (fr) Perfectionnements aux stylographes
CH329224A (de) Schlüsselungseinrichtung für Abonnementsfernsehanlage
CH327544A (de) Fernsehanlage
CH342258A (de) Fernseh-Abonnementsanordnung
CH350322A (de) Schlüsselungseinrichtung für Abonnementsfernsehanlagen
CH329223A (de) Abonnementsfernsehanlage
CH427749A (de) Einblickeinrichtung für Vakuumanlagen
CH352710A (de) Abonnements-Fernsehanlage
CH344753A (de) Fernsehempfangsanordnung
CH333034A (de) Schlüsselungseinrichtung für eine Abonnementsfernsehanlage
CH381914A (de) Vakuum-Reguliereinrichtung für Melkanlagen
CH375043A (de) Abonnementsfernsehrechner
CH421210A (de) Abstimmvorrichtung für Fernsehempfänger
CH332252A (fr) Ecrou élastique
FR1148681A (fr) Récepteur de télévision
AT210375B (de) Reinigungsvorrichtung für Förderwagen
AT189659B (de) Wähleinrichtung für Nachrichtenanlagen
AT186021B (de) Schaltvorrichtung für Thermostaten
AT194449B (de) Synchronisiereinrichtung für Fernsehempfänger
DK101990C (da) Abonnementsfjernsynsanlæg.
CH346139A (de) Ferngesteuerte Meldeanlage für Kurswerte
CH383438A (de) Ablenkkreis für Fernsehempfänger
CH324098A (de) Fernsehübertragungsanlage
AT199229B (de) Schaltungsanordnung für Fernsprechanlagen