JPS54116105A - Broadcasting system - Google Patents

Broadcasting system

Info

Publication number
JPS54116105A
JPS54116105A JP562179A JP562179A JPS54116105A JP S54116105 A JPS54116105 A JP S54116105A JP 562179 A JP562179 A JP 562179A JP 562179 A JP562179 A JP 562179A JP S54116105 A JPS54116105 A JP S54116105A
Authority
JP
Japan
Prior art keywords
broadcasting system
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.)
Pending
Application number
JP562179A
Other languages
Japanese (ja)
Inventor
Jiyon Garujini Eritsuku
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 JPS54116105A publication Critical patent/JPS54116105A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/22Adaptations for optical transmission
    • 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
    • H04N2007/1739Analogue 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
JP562179A 1978-01-23 1979-01-23 Broadcasting system Pending JPS54116105A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2572/78A GB1586543A (en) 1978-01-23 1978-01-23 Wired broadcasting systems

Publications (1)

Publication Number Publication Date
JPS54116105A true JPS54116105A (en) 1979-09-10

Family

ID=9741939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP562179A Pending JPS54116105A (en) 1978-01-23 1979-01-23 Broadcasting system

Country Status (12)

Country Link
JP (1) JPS54116105A (en)
AU (1) AU4254878A (en)
BE (1) BE873611A (en)
DE (1) DE2900813A1 (en)
ES (1) ES476249A1 (en)
FR (1) FR2415404A1 (en)
GB (1) GB1586543A (en)
IL (1) IL56182A0 (en)
IT (1) IT1158175B (en)
NL (1) NL7900520A (en)
SE (1) SE7900540L (en)
ZA (1) ZA787225B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013533A1 (en) * 1980-04-08 1981-10-15 Siemens Ag CIRCUIT ARRANGEMENT WITH A LASER DIODE FOR TRANSMITTING MESSAGE SIGNALS VIA A LIGHT WAVE GUIDE
DE3224406A1 (en) * 1981-07-01 1983-01-20 Canon K.K., Tokyo IMAGE TRANSFER SYSTEM
MY112412A (en) * 1993-10-14 2001-06-30 Nuchem Australia Pty Ltd Multimedia enabled network.
GB2296169A (en) * 1994-12-14 1996-06-19 Metrovideo Ltd Video transmission systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1306366A (en) * 1969-05-22 1973-02-07
GB1486421A (en) * 1973-12-03 1977-09-21 Communications Patents Ltd Broadcast relay systems
FR2271727A1 (en) * 1974-02-06 1975-12-12 Radio Diffusion Tv Francaise Cable television distribution system - has separate return channel from subscriber on telephone line to reduce noise
DE2603644C3 (en) * 1976-01-30 1980-02-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Community antenna system

Also Published As

Publication number Publication date
GB1586543A (en) 1981-03-18
NL7900520A (en) 1979-07-25
SE7900540L (en) 1979-07-24
IL56182A0 (en) 1979-03-12
ES476249A1 (en) 1979-05-16
AU4254878A (en) 1979-08-02
ZA787225B (en) 1979-12-27
IT1158175B (en) 1987-02-18
DE2900813A1 (en) 1979-07-26
FR2415404A1 (en) 1979-08-17
BE873611A (en) 1979-05-16
IT7852382A0 (en) 1978-12-20

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