NL7007431A - - Google Patents

Info

Publication number
NL7007431A
NL7007431A NL7007431A NL7007431A NL7007431A NL 7007431 A NL7007431 A NL 7007431A NL 7007431 A NL7007431 A NL 7007431A NL 7007431 A NL7007431 A NL 7007431A NL 7007431 A NL7007431 A NL 7007431A
Authority
NL
Netherlands
Application number
NL7007431A
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 filed Critical
Publication of NL7007431A publication Critical patent/NL7007431A/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
NL7007431A 1969-05-22 1970-05-22 NL7007431A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7007431A true NL7007431A (xx) 1970-11-24

Family

ID=10239930

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7007431A NL7007431A (xx) 1969-05-22 1970-05-22

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
CH518040A (de) 1972-01-15
FR2043615A1 (xx) 1971-02-19
MTP646B (en) 1971-05-31
IL34559A (en) 1973-10-25
ZA703459B (en) 1971-01-27
GB1306366A (xx) 1973-02-07
IL34559A0 (en) 1970-07-19
US3706040A (en) 1972-12-12
ES379954A1 (es) 1979-12-01
BE750822A (fr) 1970-11-03
DE2024977B2 (de) 1978-11-23
DE2024977A1 (de) 1970-11-26
JPS5038443B1 (xx) 1975-12-10
CA952226A (en) 1974-07-30
FR2043615B1 (xx) 1976-02-06
DE2024977C3 (de) 1979-07-19

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Legal Events

Date Code Title Description
BV The patent application has lapsed