GB1480749A - Wired broadcasting systems - Google Patents

Wired broadcasting systems

Info

Publication number
GB1480749A
GB1480749A GB11791/74A GB1179174A GB1480749A GB 1480749 A GB1480749 A GB 1480749A GB 11791/74 A GB11791/74 A GB 11791/74A GB 1179174 A GB1179174 A GB 1179174A GB 1480749 A GB1480749 A GB 1480749A
Authority
GB
United Kingdom
Prior art keywords
frequency
exchange
subscriber
subscribers
programme
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
GB11791/74A
Other languages
English (en)
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
Priority to GB11791/74A priority Critical patent/GB1480749A/en
Priority to CH311175A priority patent/CH589981A5/xx
Priority to IL46827A priority patent/IL46827A/en
Priority to DE2510865A priority patent/DE2510865C3/de
Priority to CA221,995A priority patent/CA1052446A/en
Priority to SE7502806A priority patent/SE407002B/xx
Priority to NLAANVRAGE7503107,A priority patent/NL183694B/nl
Priority to FR7508819A priority patent/FR2264447B1/fr
Priority to ZA00751615A priority patent/ZA751615B/xx
Priority to IT48621/75A priority patent/IT1032322B/it
Priority to ES435664A priority patent/ES435664A1/es
Priority to JP50031230A priority patent/JPS50133701A/ja
Priority to BE154398A priority patent/BE826763A/xx
Priority to US05/711,463 priority patent/US4064460A/en
Publication of GB1480749A publication Critical patent/GB1480749A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Interface Circuits In Exchanges (AREA)
GB11791/74A 1974-03-16 1974-03-16 Wired broadcasting systems Expired GB1480749A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB11791/74A GB1480749A (en) 1974-03-16 1974-03-16 Wired broadcasting systems
CH311175A CH589981A5 (nl) 1974-03-16 1975-03-12
IL46827A IL46827A (en) 1974-03-16 1975-03-13 Wired broadcasting systems
DE2510865A DE2510865C3 (de) 1974-03-16 1975-03-13 Drahtfunksystem mit wenigstens einer an mehrere Programmquellen angeschlossenen Vermittlungsstelle
CA221,995A CA1052446A (en) 1974-03-16 1975-03-13 Wired broadcasting system with a wideband coaxial cable for multi-channel signals
SE7502806A SE407002B (sv) 1974-03-16 1975-03-13 Anordning vid tradradiosystem
NLAANVRAGE7503107,A NL183694B (nl) 1974-03-16 1975-03-14 Kabel-omroepstelsel met een netwerk van bundels voor het transporteren van programmasignalen naar een aantal centrales.
FR7508819A FR2264447B1 (nl) 1974-03-16 1975-03-14
ZA00751615A ZA751615B (en) 1974-03-16 1975-03-14 Improvements in or re6%ting to wired broadcasting systems
IT48621/75A IT1032322B (it) 1974-03-16 1975-03-14 Perfezionamenti relativi a sistemi di radiodiffusione via cavo
ES435664A ES435664A1 (es) 1974-03-16 1975-03-15 Perfeccionamientos en los sistemas de radiodifusion por ca-ble.
JP50031230A JPS50133701A (nl) 1974-03-16 1975-03-17
BE154398A BE826763A (fr) 1974-03-16 1975-03-17 Perfectionnements aux telediffusions par cables et relatifs a ceux-ci
US05/711,463 US4064460A (en) 1974-03-16 1976-08-04 Coaxial wired broadcasting system with tone responsive program selectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11791/74A GB1480749A (en) 1974-03-16 1974-03-16 Wired broadcasting systems

Publications (1)

Publication Number Publication Date
GB1480749A true GB1480749A (en) 1977-07-20

Family

ID=9992776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11791/74A Expired GB1480749A (en) 1974-03-16 1974-03-16 Wired broadcasting systems

Country Status (13)

Country Link
JP (1) JPS50133701A (nl)
BE (1) BE826763A (nl)
CA (1) CA1052446A (nl)
CH (1) CH589981A5 (nl)
DE (1) DE2510865C3 (nl)
ES (1) ES435664A1 (nl)
FR (1) FR2264447B1 (nl)
GB (1) GB1480749A (nl)
IL (1) IL46827A (nl)
IT (1) IT1032322B (nl)
NL (1) NL183694B (nl)
SE (1) SE407002B (nl)
ZA (1) ZA751615B (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127257A (en) * 1982-08-17 1984-04-04 Visionhire Cable Limited Distribution apparatus
WO2001050775A2 (en) * 1999-12-29 2001-07-12 Elisa Communications Oyj Method for increasing data transfer capacity of a data communications network, such as a cable television network

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135157A (en) * 1977-03-28 1979-01-16 Oak Industries Inc. Pole mounted converter
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
DE2951512A1 (de) * 1979-12-20 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Breitband-vermittlungssystem
FR2515400A1 (fr) * 1981-10-26 1983-04-29 Visiodis Sa Installation de telesurveillance
DE3301208A1 (de) * 1983-01-15 1984-07-26 ANT Nachrichtentechnik GmbH, 7150 Backnang Breitbandverteilnetz

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073906A (en) * 1959-06-16 1963-01-15 Bell Telephone Labor Inc Line concentrating telephone system
BE632218A (nl) * 1963-05-31
GB1272594A (en) * 1968-08-09 1972-05-03 Communications Patents Ltd Improvements in and relating to wired broadcasting systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127257A (en) * 1982-08-17 1984-04-04 Visionhire Cable Limited Distribution apparatus
WO2001050775A2 (en) * 1999-12-29 2001-07-12 Elisa Communications Oyj Method for increasing data transfer capacity of a data communications network, such as a cable television network
WO2001050775A3 (en) * 1999-12-29 2002-05-02 Elisa Comm Oyj Method for increasing data transfer capacity of a data communications network, such as a cable television network

Also Published As

Publication number Publication date
IL46827A0 (en) 1975-05-22
ZA751615B (en) 1976-02-25
SE407002B (sv) 1979-03-05
IT1032322B (it) 1979-05-30
NL183694B (nl) 1988-07-18
NL7503107A (nl) 1975-09-18
DE2510865A1 (de) 1975-09-18
ES435664A1 (es) 1976-12-01
IL46827A (en) 1977-07-31
FR2264447A1 (nl) 1975-10-10
DE2510865C3 (de) 1983-11-10
CH589981A5 (nl) 1977-07-29
DE2510865B2 (de) 1978-12-14
JPS50133701A (nl) 1975-10-23
CA1052446A (en) 1979-04-10
BE826763A (fr) 1975-07-16
FR2264447B1 (nl) 1981-07-24
SE7502806L (nl) 1975-09-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930307