DK168775A - Kabelfjernsynsanleg - Google Patents

Kabelfjernsynsanleg

Info

Publication number
DK168775A
DK168775A DK168775A DK168775A DK168775A DK 168775 A DK168775 A DK 168775A DK 168775 A DK168775 A DK 168775A DK 168775 A DK168775 A DK 168775A DK 168775 A DK168775 A DK 168775A
Authority
DK
Denmark
Prior art keywords
cable
Prior art date
Application number
DK168775A
Other languages
Danish (da)
English (en)
Inventor
H H J Grotjohann
J J J D Bont
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of DK168775A publication Critical patent/DK168775A/da

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)
DK168775A 1974-04-22 1975-04-18 Kabelfjernsynsanleg DK168775A (da)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DK168775A true DK168775A (da) 1975-10-23

Family

ID=19821200

Family Applications (1)

Application Number Title Priority Date Filing Date
DK168775A DK168775A (da) 1974-04-22 1975-04-18 Kabelfjernsynsanleg

Country Status (13)

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

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 (en) * 1979-08-22 1983-03-01 Eric J. Gargini Wired broadcasting system with subscriber controlled switched programme selection
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 (en) * 1982-04-15 1984-11-06 Groupe Videotron Ltee. (Le) Cable network data transmission system
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 (en) * 1984-05-31 1988-08-03 AMERICAN TELEVISION & COMMUNICATIONS CORPORATION Cable television system
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 (sv) * 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 (en) 1979-05-29
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
FR2268418B1 (sv) 1982-05-28
CH585994A5 (sv) 1977-03-15
FR2268418A1 (sv) 1975-11-14
AU500019B2 (en) 1979-05-10
SE404121B (sv) 1978-09-18

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)