BE775315A - Dispositifs de telediffusion par fils - Google Patents

Dispositifs de telediffusion par fils

Info

Publication number
BE775315A
BE775315A BE775315A BE775315A BE775315A BE 775315 A BE775315 A BE 775315A BE 775315 A BE775315 A BE 775315A BE 775315 A BE775315 A BE 775315A BE 775315 A BE775315 A BE 775315A
Authority
BE
Belgium
Prior art keywords
broadcasting devices
wire broadcasting
wire
devices
broadcasting
Prior art date
Application number
BE775315A
Other languages
English (en)
Original Assignee
Communications Patents Ld
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 Communications Patents Ld filed Critical Communications Patents Ld
Publication of BE775315A publication Critical patent/BE775315A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/76Wired systems
    • H04H20/82Wired systems using signals not modulated onto a carrier
    • H04H20/83Wired systems using signals not modulated onto a carrier not sharing the network with any other service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/141Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17345Control of the passage of the selected programme
    • H04N7/17354Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE775315A 1970-11-12 1971-11-12 Dispositifs de telediffusion par fils BE775315A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5394070 1970-11-12

Publications (1)

Publication Number Publication Date
BE775315A true BE775315A (fr) 1972-03-01

Family

ID=10469469

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775315A BE775315A (fr) 1970-11-12 1971-11-12 Dispositifs de telediffusion par fils

Country Status (14)

Country Link
US (1) US3801735A (fr)
JP (1) JPS55936B1 (fr)
BE (1) BE775315A (fr)
CA (1) CA959548A (fr)
CH (1) CH535514A (fr)
DE (1) DE2156266C3 (fr)
ES (1) ES396946A1 (fr)
FR (1) FR2114028B1 (fr)
GB (1) GB1314457A (fr)
IL (1) IL38121A (fr)
IT (1) IT944864B (fr)
NL (1) NL7115447A (fr)
SE (1) SE384309B (fr)
ZA (1) ZA717592B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031543A (en) * 1974-03-11 1977-06-21 Berkeley Varitronics Systems Communication system
US4064460A (en) * 1974-03-16 1977-12-20 Communications Patents Limited Coaxial wired broadcasting system with tone responsive program selectors
GB1512376A (en) * 1974-08-06 1978-06-01 Communications Patents Ltd Wired broadcasting systems
USRE31639E (en) * 1975-03-14 1984-07-31 Bidirectional unicable switching system
US4077006A (en) * 1975-03-14 1978-02-28 Victor Nicholson Bidirectional unicable switching system
US4271403A (en) * 1978-02-21 1981-06-02 Data 100 Corporation Coaxial cable switching circuit
US4386365A (en) * 1979-06-19 1983-05-31 Communications Patents Limited Combined wired broadcasting and viewphone system
US4823386A (en) * 1981-04-02 1989-04-18 Texscan Corporation Addressable subscriber cable television system
US4475123A (en) * 1981-04-02 1984-10-02 Theta-Com., Division Of Texscan Addressable subscriber cable television system
US4491983A (en) * 1981-05-14 1985-01-01 Times Fiber Communications, Inc. Information distribution system
US4530008A (en) * 1983-10-03 1985-07-16 Broadband Technologies, Inc. Secured communications system
GB8428647D0 (en) * 1984-11-13 1984-12-19 Communications Patents Ltd Communication system
JP3070689B2 (ja) * 1993-03-24 2000-07-31 株式会社東芝 放送通信システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2823264A (en) * 1953-03-31 1958-02-11 Gen Dynamics Corp Step-by-step system
US3190965A (en) * 1961-03-28 1965-06-22 Bell Telephone Labor Inc Right-of-way switching circuitry
BE632218A (fr) * 1963-05-31
US3529100A (en) * 1966-10-21 1970-09-15 G V Controls Inc Telephone dialing apparatus
US3366731A (en) * 1967-08-11 1968-01-30 Comm And Media Res Services In Television distribution system permitting program substitution for selected viewers
GB1272594A (en) * 1968-08-09 1972-05-03 Communications Patents Ltd Improvements in and relating to wired broadcasting systems
GB1306367A (fr) * 1969-06-06 1973-02-07
US3668307A (en) * 1970-03-30 1972-06-06 Kms Ind Inc Two-way community antenna television system

Also Published As

Publication number Publication date
US3801735A (en) 1974-04-02
IL38121A (en) 1974-10-22
DE2156266A1 (de) 1972-05-18
ZA717592B (en) 1972-08-30
JPS55936B1 (fr) 1980-01-10
NL7115447A (fr) 1972-05-16
DE2156266C3 (de) 1979-08-09
SE384309B (sv) 1976-04-26
DE2156266B2 (de) 1978-12-07
ES396946A1 (es) 1974-07-01
IT944864B (it) 1973-04-20
GB1314457A (en) 1973-04-26
FR2114028B1 (fr) 1977-01-28
CA959548A (en) 1974-12-17
CH535514A (de) 1973-03-31
FR2114028A1 (fr) 1972-06-30
IL38121A0 (en) 1972-01-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMMUNICATIONS PATENTS LTD

Effective date: 19841112