CA959548A - Wired broadcasting systems - Google Patents

Wired broadcasting systems

Info

Publication number
CA959548A
CA959548A CA127,553A CA127553A CA959548A CA 959548 A CA959548 A CA 959548A CA 127553 A CA127553 A CA 127553A CA 959548 A CA959548 A CA 959548A
Authority
CA
Canada
Prior art keywords
broadcasting systems
wired broadcasting
wired
systems
broadcasting
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.)
Expired
Application number
CA127,553A
Other languages
English (en)
Other versions
CA127553S (en
Inventor
Ralph P. Gabriel
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.)
Communications Patents Ltd
Original Assignee
Communications Patents Ltd
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 Ltd filed Critical Communications Patents Ltd
Application granted granted Critical
Publication of CA959548A publication Critical patent/CA959548A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/82—Wired systems using signals not modulated onto a carrier
    • H04H20/83—Wired systems using signals not modulated onto a carrier not sharing the network with any other service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • 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

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)
CA127,553A 1970-11-12 1971-11-12 Wired broadcasting systems Expired CA959548A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA959548A true CA959548A (en) 1974-12-17

Family

ID=10469469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA127,553A Expired CA959548A (en) 1970-11-12 1971-11-12 Wired broadcasting systems

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
EP0645904A1 (fr) * 1993-03-24 1995-03-29 Kabushiki Kaisha Toshiba Systeme de communications radio-television

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
NL7115447A (fr) 1972-05-16
FR2114028B1 (fr) 1977-01-28
ES396946A1 (es) 1974-07-01
IL38121A (en) 1974-10-22
SE384309B (sv) 1976-04-26
FR2114028A1 (fr) 1972-06-30
ZA717592B (en) 1972-08-30
IT944864B (it) 1973-04-20
DE2156266A1 (de) 1972-05-18
BE775315A (fr) 1972-03-01
DE2156266B2 (de) 1978-12-07
US3801735A (en) 1974-04-02
IL38121A0 (en) 1972-01-27
GB1314457A (en) 1973-04-26
DE2156266C3 (de) 1979-08-09
JPS55936B1 (fr) 1980-01-10
CH535514A (de) 1973-03-31

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