ZA728071B - Improvements in or relating to wired broadcasting systems - Google Patents

Improvements in or relating to wired broadcasting systems

Info

Publication number
ZA728071B
ZA728071B ZA728071A ZA728071A ZA728071B ZA 728071 B ZA728071 B ZA 728071B ZA 728071 A ZA728071 A ZA 728071A ZA 728071 A ZA728071 A ZA 728071A ZA 728071 B ZA728071 B ZA 728071B
Authority
ZA
South Africa
Prior art keywords
relating
broadcasting systems
wired broadcasting
wired
systems
Prior art date
Application number
ZA728071A
Other languages
English (en)
Inventor
E 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 ZA728071B publication Critical patent/ZA728071B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
ZA728071A 1971-12-03 1972-11-14 Improvements in or relating to wired broadcasting systems ZA728071B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5629971A GB1414127A (en) 1971-12-03 1971-12-03 Wired broadcasting systems

Publications (1)

Publication Number Publication Date
ZA728071B true ZA728071B (en) 1973-09-26

Family

ID=10476280

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728071A ZA728071B (en) 1971-12-03 1972-11-14 Improvements in or relating to wired broadcasting systems

Country Status (15)

Country Link
US (1) US3886456A (xx)
JP (1) JPS4865831A (xx)
BE (1) BE792215A (xx)
CA (1) CA965526A (xx)
CH (1) CH549919A (xx)
DE (2) DE2265451C2 (xx)
ES (1) ES409180A1 (xx)
FR (1) FR2162236B1 (xx)
GB (1) GB1414127A (xx)
IL (1) IL40843A (xx)
IT (1) IT973762B (xx)
MT (1) MTP731B (xx)
NL (1) NL7216232A (xx)
SE (1) SE383817B (xx)
ZA (1) ZA728071B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386365A (en) * 1979-06-19 1983-05-31 Communications Patents Limited Combined wired broadcasting and viewphone system
CA1284211C (en) * 1985-04-29 1991-05-14 Terrence Henry Pocock Cable television system selectively distributing pre-recorder video and audio messages
GB9201996D0 (en) * 1992-01-30 1992-03-18 Millicom Satellite Tv Services Communication systems
US5539635A (en) * 1994-07-19 1996-07-23 Larson, Jr.; Ernest J. Radio station program identifier and distribution system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536780A (fr) * Communications Patents Ltd Dispositifs et appareils de télédiffusion par fils
DE884050C (de) * 1937-08-08 1953-07-23 Siemens Ag Traegerfrequenzdrahtfunk-Verteilungsanlage
GB954916A (en) * 1961-03-01 1964-04-08 Pye Ltd Signal distribution system
BE639098A (xx) * 1962-10-25
US3277243A (en) * 1962-12-19 1966-10-04 Burroughs Corp Telephone adapter
DE1940497U (de) 1966-04-22 1966-06-08 Broads Mfg Company Ltd Mannlochabdeckung.
US3587053A (en) * 1968-06-10 1971-06-22 Bell Telephone Labor Inc Audio visual information processing and communication system
GB1272594A (en) * 1968-08-09 1972-05-03 Communications Patents Ltd Improvements in and relating to wired broadcasting systems
US3691295A (en) * 1970-03-31 1972-09-12 Ibm Two-way communication system for video and digital data

Also Published As

Publication number Publication date
CA965526A (en) 1975-04-01
JPS4865831A (xx) 1973-09-10
FR2162236B1 (xx) 1977-08-26
DE2265451C2 (de) 1982-02-18
DE2258416C3 (de) 1979-08-09
AU4932372A (en) 1974-05-30
BE792215A (fr) 1973-03-30
IL40843A0 (en) 1973-01-30
CH549919A (de) 1974-05-31
NL7216232A (xx) 1973-06-05
US3886456A (en) 1975-05-27
SE383817B (sv) 1976-03-29
ES409180A1 (es) 1976-01-01
DE2258416B2 (de) 1978-12-07
GB1414127A (en) 1975-11-19
MTP731B (en) 1973-08-10
DE2258416A1 (de) 1973-06-07
IT973762B (it) 1974-06-10
IL40843A (en) 1975-10-15
FR2162236A1 (xx) 1973-07-13

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