DE3177228D1 - Fernseh uebertragungsanordnung zum uebertragen von datensignalen. - Google Patents

Fernseh uebertragungsanordnung zum uebertragen von datensignalen.

Info

Publication number
DE3177228D1
DE3177228D1 DE8181901086T DE3177228T DE3177228D1 DE 3177228 D1 DE3177228 D1 DE 3177228D1 DE 8181901086 T DE8181901086 T DE 8181901086T DE 3177228 T DE3177228 T DE 3177228T DE 3177228 D1 DE3177228 D1 DE 3177228D1
Authority
DE
Germany
Prior art keywords
data signals
transmitting data
transmission arrangement
television transmission
television
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 - Lifetime
Application number
DE8181901086T
Other languages
German (de)
English (en)
Inventor
John G Campbell
Carl F Schoeneberger
Allan B Bundens
Richard M Fogle
John R Lemburg
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.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22470711&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3177228(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Application granted granted Critical
Publication of DE3177228D1 publication Critical patent/DE3177228D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N7/173—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
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H04N7/03—Subscription systems therefor
    • 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
    • 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
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

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)
DE8181901086T 1980-03-31 1981-03-31 Fernseh uebertragungsanordnung zum uebertragen von datensignalen. Expired - Lifetime DE3177228D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13598780A 1980-03-31 1980-03-31
PCT/US1981/000414 WO1981002961A1 (en) 1980-03-31 1981-03-31 Addressable cable television control system with video format data transmission

Publications (1)

Publication Number Publication Date
DE3177228D1 true DE3177228D1 (de) 1990-12-06

Family

ID=22470711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181901086T Expired - Lifetime DE3177228D1 (de) 1980-03-31 1981-03-31 Fernseh uebertragungsanordnung zum uebertragen von datensignalen.

Country Status (5)

Country Link
US (1) US4536791A (enExample)
EP (1) EP0049280B1 (enExample)
JP (2) JPS57500537A (enExample)
DE (1) DE3177228D1 (enExample)
WO (1) WO1981002961A1 (enExample)

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* Cited by examiner, † Cited by third party
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EP0049280B1 (en) 1990-10-31
WO1981002961A1 (en) 1981-10-15
US4536791A (en) 1985-08-20
EP0049280A4 (en) 1987-01-27
JPS57500537A (enExample) 1982-03-25
EP0049280A1 (en) 1982-04-14
JPH0496185U (enExample) 1992-08-20

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