BE750822A - Dispositif de telediffusion par fil - Google Patents

Dispositif de telediffusion par fil

Info

Publication number
BE750822A
BE750822A BE750822DA BE750822A BE 750822 A BE750822 A BE 750822A BE 750822D A BE750822D A BE 750822DA BE 750822 A BE750822 A BE 750822A
Authority
BE
Belgium
Prior art keywords
broadcasting device
wire broadcasting
wire
broadcasting
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE750822A publication Critical patent/BE750822A/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
    • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Selective Calling Equipment (AREA)
  • Details Of Television Systems (AREA)
  • Telephonic Communication Services (AREA)
BE750822D 1969-05-22 1970-05-22 Dispositif de telediffusion par fil BE750822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2620069 1969-05-22

Publications (1)

Publication Number Publication Date
BE750822A true BE750822A (fr) 1970-11-03

Family

ID=10239930

Family Applications (1)

Application Number Title Priority Date Filing Date
BE750822D BE750822A (fr) 1969-05-22 1970-05-22 Dispositif de telediffusion par fil

Country Status (13)

Country Link
US (1) US3706040A (xx)
JP (1) JPS5038443B1 (xx)
BE (1) BE750822A (xx)
CA (1) CA952226A (xx)
CH (1) CH518040A (xx)
DE (1) DE2024977C3 (xx)
ES (1) ES379954A1 (xx)
FR (1) FR2043615B1 (xx)
GB (1) GB1306366A (xx)
IL (1) IL34559A (xx)
MT (1) MTP646B (xx)
NL (1) NL7007431A (xx)
ZA (1) ZA703459B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798548A (en) * 1971-09-08 1974-03-19 Ameco Inc Discrete cable television distribution system
US3750022A (en) * 1972-04-26 1973-07-31 Hughes Aircraft Co System for minimizing upstream noise in a subscriber response cable television system
US4017845A (en) * 1975-06-16 1977-04-12 Fmc Corporation Circuitry for simultaneous transmission of signals and power
GB1586543A (en) * 1978-01-23 1981-03-18 Communications Patents Ltd Wired broadcasting systems
US4313132A (en) * 1979-10-31 1982-01-26 Oak Industries Inc. Cable TV security means
US4491983A (en) * 1981-05-14 1985-01-01 Times Fiber Communications, Inc. Information distribution system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095360A (en) * 1932-04-28 1937-10-12 American Telephone & Telegraph Television system
GB757799A (en) * 1953-05-15 1956-09-26 Pye Ltd Wired broadcasting system
US2974188A (en) * 1956-12-19 1961-03-07 Citizens Bank Of Maryland Bilateral video transmission system

Also Published As

Publication number Publication date
US3706040A (en) 1972-12-12
DE2024977C3 (de) 1979-07-19
IL34559A (en) 1973-10-25
IL34559A0 (en) 1970-07-19
CA952226A (en) 1974-07-30
FR2043615B1 (xx) 1976-02-06
GB1306366A (xx) 1973-02-07
ES379954A1 (es) 1979-12-01
ZA703459B (en) 1971-01-27
DE2024977B2 (de) 1978-11-23
CH518040A (de) 1972-01-15
MTP646B (en) 1971-05-31
DE2024977A1 (de) 1970-11-26
FR2043615A1 (xx) 1971-02-19
JPS5038443B1 (xx) 1975-12-10
NL7007431A (xx) 1970-11-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMMUNICATIONS PATENTS LTD

Effective date: 19840522