IT1023486B - Sistema perfezionato di teletrasmi sione su filo - Google Patents

Sistema perfezionato di teletrasmi sione su filo

Info

Publication number
IT1023486B
IT1023486B IT54342/74A IT5434274A IT1023486B IT 1023486 B IT1023486 B IT 1023486B IT 54342/74 A IT54342/74 A IT 54342/74A IT 5434274 A IT5434274 A IT 5434274A IT 1023486 B IT1023486 B IT 1023486B
Authority
IT
Italy
Prior art keywords
teletrasms
wire
perfected system
perfected
Prior art date
Application number
IT54342/74A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1023486B publication Critical patent/IT1023486B/it

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • H04B10/25891—Transmission components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/22—Adaptations for optical transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Communication System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Optical Couplings Of Light Guides (AREA)
IT54342/74A 1973-12-03 1974-12-03 Sistema perfezionato di teletrasmi sione su filo IT1023486B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB55933/73A GB1486421A (en) 1973-12-03 1973-12-03 Broadcast relay systems

Publications (1)

Publication Number Publication Date
IT1023486B true IT1023486B (it) 1978-05-10

Family

ID=10475262

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54342/74A IT1023486B (it) 1973-12-03 1974-12-03 Sistema perfezionato di teletrasmi sione su filo

Country Status (7)

Country Link
AU (1) AU7590574A (it)
CA (1) CA1058293A (it)
ES (1) ES432542A1 (it)
GB (1) GB1486421A (it)
IT (1) IT1023486B (it)
MY (1) MY7800253A (it)
ZA (1) ZA747630B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1586543A (en) * 1978-01-23 1981-03-18 Communications Patents Ltd Wired broadcasting systems
DE2934358A1 (de) * 1979-08-24 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Breitband-fernmeldesystem
DE3224406A1 (de) * 1981-07-01 1983-01-20 Canon K.K., Tokyo Bilduebertragungssystem
NL8204722A (nl) * 1982-12-07 1984-07-02 Philips Nv Distributiesysteem voor lokaal fibernet.
GB2212021B (en) * 1987-11-06 1991-07-03 Stc Plc Radio frequency generator

Also Published As

Publication number Publication date
GB1486421A (en) 1977-09-21
ZA747630B (en) 1975-12-31
AU7590574A (en) 1976-06-03
MY7800253A (en) 1978-12-31
ES432542A1 (es) 1977-01-01
CA1058293A (en) 1979-07-10

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