CA2026883A1 - Systeme de teledistribution de programmes non prevus a l'horaire - Google Patents

Systeme de teledistribution de programmes non prevus a l'horaire

Info

Publication number
CA2026883A1
CA2026883A1 CA002026883A CA2026883A CA2026883A1 CA 2026883 A1 CA2026883 A1 CA 2026883A1 CA 002026883 A CA002026883 A CA 002026883A CA 2026883 A CA2026883 A CA 2026883A CA 2026883 A1 CA2026883 A1 CA 2026883A1
Authority
CA
Canada
Prior art keywords
information
subscribers
items
telephone
selection
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.)
Abandoned
Application number
CA002026883A
Other languages
English (en)
Inventor
Steven D. Kravitz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2026883A1 publication Critical patent/CA2026883A1/fr
Abandoned 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
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CA002026883A 1989-02-07 1990-02-06 Systeme de teledistribution de programmes non prevus a l'horaire Abandoned CA2026883A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30777289A 1989-02-07 1989-02-07
US307,772 1989-02-07

Publications (1)

Publication Number Publication Date
CA2026883A1 true CA2026883A1 (fr) 1990-08-08

Family

ID=23191111

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002026883A Abandoned CA2026883A1 (fr) 1989-02-07 1990-02-06 Systeme de teledistribution de programmes non prevus a l'horaire

Country Status (3)

Country Link
EP (1) EP0438539A4 (fr)
CA (1) CA2026883A1 (fr)
WO (1) WO1990009720A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5130792A (en) * 1990-02-01 1992-07-14 Usa Video Inc. Store and forward video system
US5206722A (en) * 1990-12-28 1993-04-27 At&T Bell Laboratories Remote channel switching for video on demand service

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922418C2 (de) * 1979-06-01 1981-12-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Dienstintegriertes Nachrichtenübertragungs- und Vermittlungssystem für Ton, Bild und Daten
US4306313A (en) * 1979-10-11 1981-12-15 International Telephone And Telegraph Corporation High reliability optical fiber communication system
DE2944784C2 (de) * 1979-11-06 1982-04-29 Siemens Ag, 1000 Berlin Und 8000 Muenchen Breitband-Vermittlungssystem
US4381522A (en) * 1980-12-01 1983-04-26 Adams-Russell Co., Inc. Selective viewing
US4590516A (en) * 1982-06-01 1986-05-20 World Video Library, Inc. Recorded program communication system
US4520471A (en) * 1983-02-07 1985-05-28 Rca Corporation Multi-channel recording/playback optics for laser diode arrays
US4506387A (en) * 1983-05-25 1985-03-19 Walter Howard F Programming-on-demand cable system and method
US4787063A (en) * 1984-10-19 1988-11-22 Francis Muguet Acquisition and transmission system for a recorder and a computer center

Also Published As

Publication number Publication date
EP0438539A1 (fr) 1991-07-31
WO1990009720A1 (fr) 1990-08-23
EP0438539A4 (en) 1992-11-04

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20000207