ZA747630B - Improvements in and relating to wired broadcasting systems - Google Patents

Improvements in and relating to wired broadcasting systems

Info

Publication number
ZA747630B
ZA747630B ZA00747630A ZA747630A ZA747630B ZA 747630 B ZA747630 B ZA 747630B ZA 00747630 A ZA00747630 A ZA 00747630A ZA 747630 A ZA747630 A ZA 747630A ZA 747630 B ZA747630 B ZA 747630B
Authority
ZA
South Africa
Prior art keywords
relating
broadcasting systems
wired broadcasting
wired
systems
Prior art date
Application number
ZA00747630A
Other languages
English (en)
Inventor
A Cutler
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 ZA747630B publication Critical patent/ZA747630B/xx

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)
  • Optical Couplings Of Light Guides (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
ZA00747630A 1973-12-03 1974-11-29 Improvements in and relating to wired broadcasting systems ZA747630B (en)

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
ZA747630B true ZA747630B (en) 1975-12-31

Family

ID=10475262

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00747630A ZA747630B (en) 1973-12-03 1974-11-29 Improvements in and relating to wired broadcasting systems

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
ES432542A1 (es) 1977-01-01
AU7590574A (en) 1976-06-03
MY7800253A (en) 1978-12-31
CA1058293A (en) 1979-07-10
IT1023486B (it) 1978-05-10

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