SE7900540L - TRADRADIO SYSTEM DEVICE - Google Patents

TRADRADIO SYSTEM DEVICE

Info

Publication number
SE7900540L
SE7900540L SE7900540A SE7900540A SE7900540L SE 7900540 L SE7900540 L SE 7900540L SE 7900540 A SE7900540 A SE 7900540A SE 7900540 A SE7900540 A SE 7900540A SE 7900540 L SE7900540 L SE 7900540L
Authority
SE
Sweden
Prior art keywords
tradradio
system device
tradradio system
Prior art date
Application number
SE7900540A
Other languages
Swedish (sv)
Inventor
E J Gargini
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 SE7900540L publication Critical patent/SE7900540L/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/22—Adaptations for optical transmission
    • 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)
  • Optical Communication System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
SE7900540A 1978-01-23 1979-01-22 TRADRADIO SYSTEM DEVICE SE7900540L (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
SE7900540L true SE7900540L (en) 1979-07-24

Family

ID=9741939

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7900540A SE7900540L (en) 1978-01-23 1979-01-22 TRADRADIO SYSTEM DEVICE

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
JPS54116105A (en) 1979-09-10
ES476249A1 (en) 1979-05-16
IL56182A0 (en) 1979-03-12
BE873611A (en) 1979-05-16
ZA787225B (en) 1979-12-27
DE2900813A1 (en) 1979-07-26
IT7852382A0 (en) 1978-12-20
FR2415404A1 (en) 1979-08-17
IT1158175B (en) 1987-02-18
AU4254878A (en) 1979-08-02
NL7900520A (en) 1979-07-25

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