NL7013176A - - Google Patents

Info

Publication number
NL7013176A
NL7013176A NL7013176A NL7013176A NL7013176A NL 7013176 A NL7013176 A NL 7013176A NL 7013176 A NL7013176 A NL 7013176A NL 7013176 A NL7013176 A NL 7013176A NL 7013176 A NL7013176 A NL 7013176A
Authority
NL
Netherlands
Application number
NL7013176A
Other versions
NL151799B (nl
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 NL7013176A publication Critical patent/NL7013176A/xx
Publication of NL151799B publication Critical patent/NL151799B/nl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • G01S13/782—Secondary Surveillance Radar [SSR] in general using multimoding or selective addressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL7013176A 1969-09-12 1970-09-07 Ondervraag-antwoordstelsel voor verschillende ondervragingscodes. NL151799B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691946247 DE1946247C3 (de) 1969-09-12 1969-09-12 Nach dem Funk Ruckstrahlprinzip arbeitendes Abfrage Antwort System fur verschiedene Abfragecodes

Publications (2)

Publication Number Publication Date
NL7013176A true NL7013176A (nl) 1971-11-25
NL151799B NL151799B (nl) 1976-12-15

Family

ID=5745336

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7013176A NL151799B (nl) 1969-09-12 1970-09-07 Ondervraag-antwoordstelsel voor verschillende ondervragingscodes.

Country Status (4)

Country Link
DE (1) DE1946247C3 (nl)
FR (1) FR2099732A5 (nl)
GB (1) GB1254807A (nl)
NL (1) NL151799B (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2365675C1 (de) * 1973-11-09 1988-11-10 Siemens AG, 1000 Berlin und 8000 München Abfrage-Antwort-System mit einem Primärradar und mit Filtern in der Antwortstation
US4067011A (en) * 1976-10-22 1978-01-03 Motorola, Inc. Digital transponder universal pulse assembly
DE2747388A1 (de) * 1977-10-21 1979-04-26 Siemens Ag Elektronisches kontrollsystem
DE2826902C3 (de) * 1978-06-20 1980-12-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur Ausschaltung von f ruit-Störungen in einem Sekundär-Radar-System mit Gleichkanalbetrieb und Abfragestationsmarkierung
DE2941820C2 (de) * 1979-10-16 1986-12-11 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Freund-Feind-Identifizierung
GB2112607B (en) * 1981-12-18 1986-01-02 Senelco Ltd Transmitter/responder systems
ZA829121B (en) * 1981-12-18 1983-09-28 Senelco Ltd Transmitter/responder systems
GB9410959D0 (en) * 1994-06-01 1994-07-20 Coveley Michael Radio ranging finder

Also Published As

Publication number Publication date
DE1946247A1 (de) 1971-07-29
FR2099732A5 (nl) 1972-03-17
DE1946247B2 (de) 1973-03-15
NL151799B (nl) 1976-12-15
DE1946247C3 (de) 1973-09-27
GB1254807A (en) 1971-11-24

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS