GB1300698A - Improvements in or relating to interrogation-reply systems - Google Patents

Improvements in or relating to interrogation-reply systems

Info

Publication number
GB1300698A
GB1300698A GB2411171A GB2411171A GB1300698A GB 1300698 A GB1300698 A GB 1300698A GB 2411171 A GB2411171 A GB 2411171A GB 2411171 A GB2411171 A GB 2411171A GB 1300698 A GB1300698 A GB 1300698A
Authority
GB
United Kingdom
Prior art keywords
interrogation
code
computer
stores
codes
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
GB2411171A
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of GB1300698A publication Critical patent/GB1300698A/en
Expired legal-status Critical Current

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

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)
  • Synchronisation In Digital Transmission Systems (AREA)
GB2411171A 1970-02-06 1971-04-19 Improvements in or relating to interrogation-reply systems Expired GB1300698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702005457 DE2005457C3 (de) 1970-02-06 1970-02-06 Funk-Rückstrahl-Abfrage-Antwort-System für zeitabhängig verschiedene Abfragecodes

Publications (1)

Publication Number Publication Date
GB1300698A true GB1300698A (en) 1972-12-20

Family

ID=5761635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2411171A Expired GB1300698A (en) 1970-02-06 1971-04-19 Improvements in or relating to interrogation-reply systems

Country Status (3)

Country Link
DE (1) DE2005457C3 (https=)
FR (1) FR2080962B1 (https=)
GB (1) GB1300698A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2335430C3 (de) * 1973-07-12 1982-09-23 Friedrich Merk-Telefonbau GmbH, 8000 München Verfahren zur Überwachung von zur Meldungsübertragung zwischen einer Meldestelle und einer Meldungsempfangsstelle dienenden Leitung und Schaltungsanordnung zur Erzeugung der Wortfolgen in der Meldestelle zur Durchführung des Verfahrens
DE2449660C3 (de) * 1974-10-18 1982-12-16 Theimeg-Elektronikgeräte GmbH & Co, 4060 Viersen Verfahren und Einrichtung zur Synchronisation von im Zeitmultiplex arbeitenden, untereinander gleichberechtigten autonomen Geberstationen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1428508A (fr) * 1964-11-13 1966-02-18 Thomson Houston Comp Francaise Perfectionnements aux systèmes de transmission de signaux d'informations digitales et de mesure de distance

Also Published As

Publication number Publication date
DE2005457A1 (de) 1971-08-12
DE2005457C3 (de) 1975-12-04
FR2080962A1 (https=) 1971-11-26
DE2005457B2 (de) 1975-04-30
FR2080962B1 (https=) 1976-03-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee