BE817312A - Perfectionnements aux dispositifs de television par cables et relatifs a ceux-ci - Google Patents

Perfectionnements aux dispositifs de television par cables et relatifs a ceux-ci

Info

Publication number
BE817312A
BE817312A BE146271A BE146271A BE817312A BE 817312 A BE817312 A BE 817312A BE 146271 A BE146271 A BE 146271A BE 146271 A BE146271 A BE 146271A BE 817312 A BE817312 A BE 817312A
Authority
BE
Belgium
Prior art keywords
cable television
television devices
devices
cable
television
Prior art date
Application number
BE146271A
Other languages
English (en)
Inventor
E J Gargini
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 filed Critical
Publication of BE817312A publication Critical patent/BE817312A/fr

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
    • 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
    • H04N2007/1739—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)
  • Relay Circuits (AREA)
  • Keying Circuit Devices (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Radio Relay Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE146271A 1974-07-01 1974-07-05 Perfectionnements aux dispositifs de television par cables et relatifs a ceux-ci BE817312A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3204773A GB1471145A (en) 1974-07-01 1974-07-01 Wired broadcasting systems

Publications (1)

Publication Number Publication Date
BE817312A true BE817312A (fr) 1974-11-04

Family

ID=10332334

Family Applications (1)

Application Number Title Priority Date Filing Date
BE146271A BE817312A (fr) 1974-07-01 1974-07-05 Perfectionnements aux dispositifs de television par cables et relatifs a ceux-ci

Country Status (13)

Country Link
US (1) US3920906A (fr)
JP (1) JPS5071204A (fr)
BE (1) BE817312A (fr)
CA (1) CA1030072A (fr)
CH (1) CH566682A5 (fr)
DE (1) DE2431897C3 (fr)
ES (1) ES427992A1 (fr)
FR (1) FR2236328B1 (fr)
GB (1) GB1471145A (fr)
IL (1) IL45198A (fr)
IT (1) IT1016319B (fr)
NL (1) NL7409082A (fr)
SE (1) SE399350B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539939A1 (de) * 1974-09-21 1976-04-08 Communications Patents Ltd Drahtfunksystem
US4068296A (en) * 1976-06-30 1978-01-10 General Electric Company Control for remote control wiring system
US4176251A (en) * 1978-05-15 1979-11-27 Transcale A.B. Modular switching system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1337676A (en) * 1918-10-17 1920-04-20 Western Electric Co Telephone system
US1632012A (en) * 1923-12-10 1927-06-14 American Telephone & Telegraph Program-selecting circuits
NL268865A (fr) * 1960-09-01
BE634094A (fr) * 1962-06-28
US3381146A (en) * 1967-08-04 1968-04-30 Navy Usa Trigger pulse circuit
US3614322A (en) * 1969-09-22 1971-10-19 Chester Electronic Lab Inc System for selecting and reproducing perceptible programs

Also Published As

Publication number Publication date
US3920906A (en) 1975-11-18
IL45198A (en) 1977-04-29
JPS5071204A (fr) 1975-06-13
FR2236328A1 (fr) 1975-01-31
CH566682A5 (fr) 1975-09-15
IT1016319B (it) 1977-05-30
GB1471145A (en) 1977-04-21
SE7408814L (fr) 1975-01-07
FR2236328B1 (fr) 1978-03-24
NL7409082A (nl) 1975-01-07
IL45198A0 (en) 1974-10-22
AU7087674A (en) 1976-01-08
DE2431897C3 (de) 1979-09-27
SE399350B (sv) 1978-02-06
DE2431897A1 (de) 1975-01-30
DE2431897B2 (de) 1979-01-25
ES427992A1 (es) 1976-08-16
CA1030072A (fr) 1978-04-25

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