NL7606638A - Televisiestelsel. - Google Patents

Televisiestelsel.

Info

Publication number
NL7606638A
NL7606638A NL7606638A NL7606638A NL7606638A NL 7606638 A NL7606638 A NL 7606638A NL 7606638 A NL7606638 A NL 7606638A NL 7606638 A NL7606638 A NL 7606638A NL 7606638 A NL7606638 A NL 7606638A
Authority
NL
Netherlands
Prior art keywords
television system
television
Prior art date
Application number
NL7606638A
Other languages
English (en)
Dutch (nl)
Original Assignee
Dynamic Technology Limited
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 Dynamic Technology Limited filed Critical Dynamic Technology Limited
Publication of NL7606638A publication Critical patent/NL7606638A/xx

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
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0888—Subscription systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
NL7606638A 1975-06-20 1976-06-18 Televisiestelsel. NL7606638A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26345/75A GB1558168A (en) 1975-06-20 1975-06-20 Systems for broadcasting data simultaneously with but independently of television programmes

Publications (1)

Publication Number Publication Date
NL7606638A true NL7606638A (nl) 1976-12-22

Family

ID=10242215

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7606638A NL7606638A (nl) 1975-06-20 1976-06-18 Televisiestelsel.

Country Status (7)

Country Link
US (1) US4205343A (de)
AU (1) AU509088B2 (de)
DE (1) DE2627703C2 (de)
FR (1) FR2316821A1 (de)
GB (1) GB1558168A (de)
NL (1) NL7606638A (de)
SE (1) SE415436B (de)

Families Citing this family (98)

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FR2448824A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de videotex muni de moyens de controle d'acces a l'information
FR2457048A1 (fr) * 1979-05-16 1980-12-12 Telediffusion Fse Systeme de videotex muni de moyens de protection contre les erreurs de transmission
FR2459595A1 (fr) * 1979-06-15 1981-01-09 Telediffusion Fse Systeme de television a controle d'acces utilisant une cle electronique variable
DE2950432A1 (de) * 1979-12-14 1981-06-19 Edmond 8031 Gröbenzell Keiser Verfahren und vorrichtung zum steuern des betriebs eines fernsehsignalempfaengers
ATE11091T1 (de) * 1980-07-01 1985-01-15 Acec Verfahren zum uebertragen von informationen ueber fernsehnetzwerke.
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US20050204384A1 (en) * 1994-08-31 2005-09-15 Gemstar Development Corporation Method and apparatus for displaying television programs and related text
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US5640452A (en) * 1995-04-28 1997-06-17 Trimble Navigation Limited Location-sensitive decryption of an encrypted message
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US6564379B1 (en) 1998-04-30 2003-05-13 United Video Properties, Inc. Program guide system with flip and browse advertisements
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US6563515B1 (en) * 1998-05-19 2003-05-13 United Video Properties, Inc. Program guide system with video window browsing
US6442755B1 (en) 1998-07-07 2002-08-27 United Video Properties, Inc. Electronic program guide using markup language
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US6898762B2 (en) 1998-08-21 2005-05-24 United Video Properties, Inc. Client-server electronic program guide
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US20050177850A1 (en) 1999-10-29 2005-08-11 United Video Properties, Inc. Interactive television system with programming-related links
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US8640166B1 (en) 2005-05-06 2014-01-28 Rovi Guides, Inc. Systems and methods for content surfing
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US3061672A (en) * 1960-07-25 1962-10-30 Sperry Rand Corp Run length encoder
NL267662A (de) * 1960-08-02
US3493674A (en) * 1965-05-28 1970-02-03 Rca Corp Television message system for transmitting auxiliary information during the vertical blanking interval of each television field
US3491199A (en) * 1967-05-12 1970-01-20 Xerox Corp Facsimile multiplex system
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Also Published As

Publication number Publication date
DE2627703A1 (de) 1977-01-13
AU1504676A (en) 1977-12-22
FR2316821B1 (de) 1982-04-23
SE415436B (sv) 1980-09-29
DE2627703C2 (de) 1985-10-03
SE7606996L (sv) 1976-12-21
FR2316821A1 (fr) 1977-01-28
US4205343A (en) 1980-05-27
AU509088B2 (en) 1980-04-17
GB1558168A (en) 1979-12-19

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed