AU4920072A - Improvements in or relating to wired broadcasting systems - Google Patents

Improvements in or relating to wired broadcasting systems

Info

Publication number
AU4920072A
AU4920072A AU49200/72A AU4920072A AU4920072A AU 4920072 A AU4920072 A AU 4920072A AU 49200/72 A AU49200/72 A AU 49200/72A AU 4920072 A AU4920072 A AU 4920072A AU 4920072 A AU4920072 A AU 4920072A
Authority
AU
Australia
Prior art keywords
relating
broadcasting systems
wired broadcasting
wired
systems
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
AU49200/72A
Other versions
AU467268B2 (en
Inventor
John Carchi Eric
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
Publication of AU4920072A publication Critical patent/AU4920072A/en
Application granted granted Critical
Publication of AU467268B2 publication Critical patent/AU467268B2/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)
AU49200/72A 1971-11-25 1972-11-23 Improvements in or relating to wired broadcasting systems Expired AU467268B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB54822/71 1971-11-25
GB5482271A GB1412586A (en) 1971-11-25 1971-11-25 Wired broadcasting systems

Publications (2)

Publication Number Publication Date
AU4920072A true AU4920072A (en) 1974-05-23
AU467268B2 AU467268B2 (en) 1975-11-27

Family

ID=10472182

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49200/72A Expired AU467268B2 (en) 1971-11-25 1972-11-23 Improvements in or relating to wired broadcasting systems

Country Status (14)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917978C2 (en) * 1979-05-04 1983-12-22 Volker Joachim 4400 Münster Remme Cable communication system
ATE16548T1 (en) * 1982-04-29 1985-11-15 Deltavisie Bv SYSTEM FOR TRANSMISSION OF PROGRAM OR DATA SIGNALS.
DE3382546D1 (en) * 1982-05-14 1992-05-27 Communications Patents Ltd COMMUNICATION SYSTEM.
GB2164229B (en) * 1982-05-14 1986-08-20 Communications Patents Ltd Communications system
US4605958A (en) * 1983-04-14 1986-08-12 Control Data Corporation Method and apparatus for detecting the channel to which an electronic receiver system is tuned
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 (en) * 1963-07-24 1965-08-27 Skiatron Elect & Tele slave transceivers called transponders retransmitting signals produced by the central station

Also Published As

Publication number Publication date
GB1412586A (en) 1975-11-05
IT973721B (en) 1974-06-10
AU467268B2 (en) 1975-11-27
CH552316A (en) 1974-07-31
JPS4864802A (en) 1973-09-07
IL40808A (en) 1976-08-31
MTP730B (en) 1973-08-10
SE387027B (en) 1976-08-23
DE2257644B2 (en) 1979-05-17
ES408940A1 (en) 1975-10-16
IL40808A0 (en) 1973-01-30
BE791941A (en) 1973-03-16
NL7215797A (en) 1973-05-29
FR2161122B1 (en) 1978-03-03
DE2257644C3 (en) 1980-01-17
DE2257644A1 (en) 1973-05-30
FR2161122A1 (en) 1973-07-06
ZA728024B (en) 1973-07-25

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