NL6408491A - - Google Patents

Info

Publication number
NL6408491A
NL6408491A NL6408491A NL6408491A NL6408491A NL 6408491 A NL6408491 A NL 6408491A NL 6408491 A NL6408491 A NL 6408491A NL 6408491 A NL6408491 A NL 6408491A NL 6408491 A NL6408491 A NL 6408491A
Authority
NL
Netherlands
Application number
NL6408491A
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 NL6408491A publication Critical patent/NL6408491A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08—Calling by using continuous AC
    • H04Q9/12—Calling by using continuous AC using combinations of frequencies
    • 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
    • H04N7/17309—Transmission or handling of upstream communications
    • 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
    • H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL6408491A 1963-07-24 1964-07-24 NL6408491A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29739763A 1963-07-24 1963-07-24

Publications (1)

Publication Number Publication Date
NL6408491A true NL6408491A (enrdf_load_stackoverflow) 1965-01-25

Family

ID=23146150

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6408491A NL6408491A (enrdf_load_stackoverflow) 1963-07-24 1964-07-24

Country Status (4)

Country Link
BE (1) BE650954A (enrdf_load_stackoverflow)
DE (1) DE1283711B (enrdf_load_stackoverflow)
GB (1) GB1067469A (enrdf_load_stackoverflow)
NL (1) NL6408491A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911850A1 (de) * 1989-04-11 1990-10-25 Rieter Ag Maschf Vorrichtung zur ueberwachung einer vielzahl von produktionsstellen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR974280A (fr) * 1947-10-24 1951-02-20 Nielsen A C Co Appareil pour la détermination des habitudes d'écoute des usagers des appareils de radio-diffusion
US2674512A (en) * 1951-08-24 1954-04-06 C E Hooper Inc Broadcast audience measurement
FR1086448A (enrdf_load_stackoverflow) * 1954-02-23 1955-02-11
BE552365A (enrdf_load_stackoverflow) * 1955-11-25
US2993194A (en) * 1956-11-14 1961-07-18 Westinghouse Electric Corp Remote metering apparatus and system
US2921979A (en) * 1957-08-06 1960-01-19 Hafner Theodore Microwave transmission and receiving systems
US3050712A (en) * 1959-02-13 1962-08-21 Avco Corp Wired program distribution system
US3048780A (en) * 1959-04-02 1962-08-07 Entron Inc Remote intelligence sampling means
DE1090271B (de) * 1959-10-12 1960-10-06 Hagenuk Neufeldt Kuhnke Gmbh Selbsttaetige Einrichtung zur telefonischen UEbermittlung von Messwerten verschiedenartiger Messgroessen an Fernsprechteilnehmer
GB949055A (en) * 1960-08-25 1964-02-12 Rank Organisation Ltd Improved subscription television system

Also Published As

Publication number Publication date
BE650954A (enrdf_load_stackoverflow) 1964-11-16
DE1283711B (de) 1968-11-21
GB1067469A (en) 1967-05-03

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