GB1412586A - Wired broadcasting systems - Google Patents

Wired broadcasting systems

Info

Publication number
GB1412586A
GB1412586A GB5482271A GB5482271A GB1412586A GB 1412586 A GB1412586 A GB 1412586A GB 5482271 A GB5482271 A GB 5482271A GB 5482271 A GB5482271 A GB 5482271A GB 1412586 A GB1412586 A GB 1412586A
Authority
GB
United Kingdom
Prior art keywords
subscriber
signals
subscribers
station
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
GB5482271A
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
Priority to BE791941D priority Critical patent/BE791941A/xx
Application filed by Communications Patents Ltd filed Critical Communications Patents Ltd
Priority to GB5482271A priority patent/GB1412586A/en
Priority to MT730A priority patent/MTP730B/xx
Priority to IL40808A priority patent/IL40808A/en
Priority to ZA728024A priority patent/ZA728024B/xx
Priority to SE7214883A priority patent/SE387027B/xx
Priority to CH1687272A priority patent/CH552316A/xx
Priority to NL7215797A priority patent/NL7215797A/xx
Priority to AU49200/72A priority patent/AU467268B2/en
Priority to IT54267/72A priority patent/IT973721B/it
Priority to ES408940A priority patent/ES408940A1/es
Priority to DE2257644A priority patent/DE2257644C3/de
Priority to FR7242698A priority patent/FR2161122B1/fr
Priority to JP47117710A priority patent/JPS4864802A/ja
Publication of GB1412586A publication Critical patent/GB1412586A/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
    • H04N7/17309—Transmission or handling of upstream communications
    • 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
    • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)
  • Radio Relay Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB5482271A 1971-11-25 1971-11-25 Wired broadcasting systems Expired GB1412586A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
BE791941D BE791941A (fr) 1971-11-25 Perfectionnements concernant les recepteurs de television
GB5482271A GB1412586A (en) 1971-11-25 1971-11-25 Wired broadcasting systems
MT730A MTP730B (en) 1971-11-25 1972-11-11 Improvements in or relating to wired broadcasting systems
IL40808A IL40808A (en) 1971-11-25 1972-11-12 Wired broadcasting systems
ZA728024A ZA728024B (en) 1971-11-25 1972-11-13 Improvements in or relating to wired broadcasting systems
SE7214883A SE387027B (sv) 1971-11-25 1972-11-16 Anordning vid tvaradiesystem
CH1687272A CH552316A (de) 1971-11-25 1972-11-20 Drahtfunksystem.
NL7215797A NL7215797A (xx) 1971-11-25 1972-11-22
AU49200/72A AU467268B2 (en) 1971-11-25 1972-11-23 Improvements in or relating to wired broadcasting systems
IT54267/72A IT973721B (it) 1971-11-25 1972-11-24 Perfezionamenti nei sistemi di filodiffusione o relativi as esso
ES408940A ES408940A1 (es) 1971-11-25 1972-11-24 Un sistema de difusion por conductores.
DE2257644A DE2257644C3 (de) 1971-11-25 1972-11-24 Drahtfunksystem
FR7242698A FR2161122B1 (xx) 1971-11-25 1972-11-24
JP47117710A JPS4864802A (xx) 1971-11-25 1972-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5482271A GB1412586A (en) 1971-11-25 1971-11-25 Wired broadcasting systems

Publications (1)

Publication Number Publication Date
GB1412586A true GB1412586A (en) 1975-11-05

Family

ID=10472182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5482271A Expired GB1412586A (en) 1971-11-25 1971-11-25 Wired broadcasting systems

Country Status (14)

Country Link
JP (1) JPS4864802A (xx)
AU (1) AU467268B2 (xx)
BE (1) BE791941A (xx)
CH (1) CH552316A (xx)
DE (1) DE2257644C3 (xx)
ES (1) ES408940A1 (xx)
FR (1) FR2161122B1 (xx)
GB (1) GB1412586A (xx)
IL (1) IL40808A (xx)
IT (1) IT973721B (xx)
MT (1) MTP730B (xx)
NL (1) NL7215797A (xx)
SE (1) SE387027B (xx)
ZA (1) ZA728024B (xx)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093205A1 (en) * 1982-04-29 1983-11-09 Deltakabel B.V. System for transmitting programme or data signals
GB2121656A (en) * 1982-05-14 1983-12-21 Communications Patents Ltd Communications system
GB2138250A (en) * 1983-04-14 1984-10-17 Control Data Corp Method and apparatus for detecting the channel to which an electronic receiver system is tuned
GB2164229A (en) * 1982-05-14 1986-03-12 Communications Patents Ltd Communications system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917978C2 (de) * 1979-05-04 1983-12-22 Volker Joachim 4400 Münster Remme Kabelkommunikationssystem
US4789860A (en) * 1985-03-12 1988-12-06 U.S. Philips Corp. Interface between a receiver and a sub-system
US4896209A (en) * 1987-02-10 1990-01-23 Sony Corporation Passenger vehicle polling system having a central unit for polling passenger seat terminal units

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1409479A (fr) * 1963-07-24 1965-08-27 Skiatron Elect & Tele émetteurs-récepteurs asservis dits transponders retransmettant des signaux produits par la station centrale

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093205A1 (en) * 1982-04-29 1983-11-09 Deltakabel B.V. System for transmitting programme or data signals
US4523190A (en) * 1982-04-29 1985-06-11 Deltakabel B.V. Local exchange equipment for a cable network
GB2121656A (en) * 1982-05-14 1983-12-21 Communications Patents Ltd Communications system
GB2164229A (en) * 1982-05-14 1986-03-12 Communications Patents Ltd Communications system
GB2138250A (en) * 1983-04-14 1984-10-17 Control Data Corp Method and apparatus for detecting the channel to which an electronic receiver system is tuned

Also Published As

Publication number Publication date
DE2257644B2 (de) 1979-05-17
DE2257644C3 (de) 1980-01-17
CH552316A (de) 1974-07-31
SE387027B (sv) 1976-08-23
ES408940A1 (es) 1975-10-16
IL40808A0 (en) 1973-01-30
MTP730B (en) 1973-08-10
ZA728024B (en) 1973-07-25
AU467268B2 (en) 1975-11-27
FR2161122B1 (xx) 1978-03-03
BE791941A (fr) 1973-03-16
JPS4864802A (xx) 1973-09-07
IT973721B (it) 1974-06-10
DE2257644A1 (de) 1973-05-30
NL7215797A (xx) 1973-05-29
AU4920072A (en) 1974-05-23
IL40808A (en) 1976-08-31
FR2161122A1 (xx) 1973-07-06

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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