FR2268418B1 - - Google Patents

Info

Publication number
FR2268418B1
FR2268418B1 FR7512482A FR7512482A FR2268418B1 FR 2268418 B1 FR2268418 B1 FR 2268418B1 FR 7512482 A FR7512482 A FR 7512482A FR 7512482 A FR7512482 A FR 7512482A FR 2268418 B1 FR2268418 B1 FR 2268418B1
Authority
FR
France
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
Application number
FR7512482A
Other versions
FR2268418A1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2268418A1 publication Critical patent/FR2268418A1/fr
Application granted granted Critical
Publication of FR2268418B1 publication Critical patent/FR2268418B1/fr
Expired 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
    • H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals
    • 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
    • H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Details Of Television Systems (AREA)
FR7512482A 1974-04-22 1975-04-22 Expired FR2268418B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7405405A NL7405405A (nl) 1974-04-22 1974-04-22 Televisiedistributiesysteem.

Publications (2)

Publication Number Publication Date
FR2268418A1 FR2268418A1 (fr) 1975-11-14
FR2268418B1 true FR2268418B1 (fr) 1982-05-28

Family

ID=19821200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512482A Expired FR2268418B1 (fr) 1974-04-22 1975-04-22

Country Status (13)

Country Link
JP (1) JPS604633B2 (fr)
AT (1) AT337277B (fr)
AU (1) AU500019B2 (fr)
BE (1) BE828232A (fr)
CA (1) CA1055597A (fr)
CH (1) CH585994A5 (fr)
DE (1) DE2457492C2 (fr)
DK (1) DK168775A (fr)
FR (1) FR2268418B1 (fr)
GB (1) GB1506924A (fr)
IT (1) IT1032713B (fr)
NL (1) NL7405405A (fr)
SE (1) SE404121B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807986A1 (de) * 1978-02-22 1979-08-30 Hertz Inst Heinrich Anlage fuer interaktives kabelfernsehen
CA1142244A (fr) * 1979-08-22 1983-03-01 Eric J. Gargini Systeme de telediffusion par cables a selection de programme commandee par l'abonne
NL8006976A (nl) * 1980-12-22 1982-07-16 Delta Kabel Bv Schakelstelsel.
US4491983A (en) * 1981-05-14 1985-01-01 Times Fiber Communications, Inc. Information distribution system
AT382276B (de) * 1981-08-03 1987-02-10 Elektromos Hiradastechnikai Ki Mit einem antennensystem fuer einen bezirk zusammengebautes zweiweg-nachrichtensystem zwischen zwei oder mehreren beliebigen teilnehmern
GB2117210A (en) * 1982-01-26 1983-10-05 Kenneth James Fenning Video transmission system
CA1177558A (fr) * 1982-04-15 1984-11-06 Groupe Videotron Ltee. (Le) Systeme de transmission de donnees par reseau cable
DE3382546D1 (de) * 1982-05-14 1992-05-27 Communications Patents Ltd Kommunikationssystem.
GB2164229B (en) * 1982-05-14 1986-08-20 Communications Patents Ltd Communications system
GB2127257A (en) * 1982-08-17 1984-04-04 Visionhire Cable Limited Distribution apparatus
DE3246225C2 (de) * 1982-12-14 1985-07-18 ANT Nachrichtentechnik GmbH, 7150 Backnang Breitbandverteilsystem hoher Kanalzahl
DE3339636A1 (de) * 1983-11-02 1985-05-15 Blaupunkt-Werke Gmbh, 3200 Hildesheim Kabelfernsehsystem
FR2558674B1 (fr) * 1984-01-19 1988-05-06 Telecommunications Sa Reseau de distribution de videocommunication
NL8400860A (nl) * 1984-03-16 1985-10-16 Nl Standard Electric Mij B V Kabeltelevisienetwerk.
EP0167237A3 (fr) * 1984-05-31 1988-08-03 AMERICAN TELEVISION & COMMUNICATIONS CORPORATION Système de télévision par câble
GB8428647D0 (en) * 1984-11-13 1984-12-19 Communications Patents Ltd Communication system
US4887152A (en) * 1987-01-30 1989-12-12 Sony Corporation Message delivery system operable in an override mode upon reception of a command signal
JP2658030B2 (ja) * 1987-01-30 1997-09-30 ソニー株式会社 情報伝送装置
DE3840254C1 (fr) * 1988-11-29 1990-06-07 Neuberger Nachrichten- Und Antennentechnik Gmbh, 8000 Muenchen, De

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639840A (en) * 1969-11-28 1972-02-01 Spencer Kennedy Lab Inc Multicarrier transmission system

Also Published As

Publication number Publication date
IT1032713B (it) 1979-06-20
AU8033475A (en) 1976-10-28
JPS512354A (ja) 1976-01-09
BE828232A (fr) 1975-10-22
DE2457492C2 (de) 1983-06-01
JPS604633B2 (ja) 1985-02-05
CA1055597A (fr) 1979-05-29
DK168775A (da) 1975-10-23
AT337277B (de) 1977-06-27
ATA307775A (de) 1976-10-15
NL7405405A (nl) 1975-10-24
SE7504478L (sv) 1975-10-23
DE2457492A1 (de) 1975-10-30
GB1506924A (en) 1978-04-12
CH585994A5 (fr) 1977-03-15
FR2268418A1 (fr) 1975-11-14
AU500019B2 (en) 1979-05-10
SE404121B (sv) 1978-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse