GB1067469A - Interrogated transponder system - Google Patents

Interrogated transponder system

Info

Publication number
GB1067469A
GB1067469A GB3110864A GB3110864A GB1067469A GB 1067469 A GB1067469 A GB 1067469A GB 3110864 A GB3110864 A GB 3110864A GB 3110864 A GB3110864 A GB 3110864A GB 1067469 A GB1067469 A GB 1067469A
Authority
GB
United Kingdom
Prior art keywords
transponders
transponder
pulses
interrogation
group
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3110864A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skiatron Electronics and Television Corp
Original Assignee
Skiatron Electronics and Television Corp
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 Skiatron Electronics and Television Corp filed Critical Skiatron Electronics and Television Corp
Publication of GB1067469A publication Critical patent/GB1067469A/en
Expired legal-status Critical Current

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)
GB3110864A 1963-07-24 1964-08-04 Interrogated transponder system Expired GB1067469A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1067469A true GB1067469A (en) 1967-05-03

Family

ID=23146150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3110864A Expired GB1067469A (en) 1963-07-24 1964-08-04 Interrogated transponder system

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
NL6408491A (enrdf_load_stackoverflow) 1965-01-25

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