JPS57500206A - - Google Patents

Info

Publication number
JPS57500206A
JPS57500206A JP55501124A JP50112480A JPS57500206A JP S57500206 A JPS57500206 A JP S57500206A JP 55501124 A JP55501124 A JP 55501124A JP 50112480 A JP50112480 A JP 50112480A JP S57500206 A JPS57500206 A JP S57500206A
Authority
JP
Japan
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.)
Pending
Application number
JP55501124A
Other languages
Japanese (ja)
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 JPS57500206A publication Critical patent/JPS57500206A/ja
Pending 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
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder

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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP55501124A 1980-02-29 1980-02-29 Pending JPS57500206A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1980/000034 WO1981002471A1 (en) 1980-02-29 1980-02-29 Method of transmission of communications from a transponder to an interrogator and secondary radar system for its implementation

Publications (1)

Publication Number Publication Date
JPS57500206A true JPS57500206A (enrdf_load_stackoverflow) 1982-02-04

Family

ID=21616594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55501124A Pending JPS57500206A (enrdf_load_stackoverflow) 1980-02-29 1980-02-29

Country Status (4)

Country Link
JP (1) JPS57500206A (enrdf_load_stackoverflow)
DE (1) DE3050223A1 (enrdf_load_stackoverflow)
GB (1) GB2086170A (enrdf_load_stackoverflow)
WO (1) WO1981002471A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624677B1 (fr) * 1987-12-10 1994-04-01 Fabrication Instruments Mesure Systeme de liaison hertzienne bidirectionnelle
US5382952A (en) * 1992-01-22 1995-01-17 Indala Corporation Transponder for proximity identification system
MY109809A (en) * 1992-11-18 1997-07-31 British Tech Group Ltd Detection of multiple articles
US6347292B1 (en) 1999-02-17 2002-02-12 Den-Con Electronics, Inc. Oilfield equipment identification method and apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274932A1 (fr) * 1974-06-13 1976-01-09 Materiel Telephonique Systeme de radar secondaire
GB1507050A (en) * 1975-03-21 1978-04-12 Plessey Co Ltd Interrogator/transponder systems
DE2612967C2 (de) * 1976-03-26 1978-04-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zum Erhöhen der Sicherheit gegen Übertragungsfehler bei einem Informationsübertragtingssystem mit periodisch durchstimmbarem, frequenz-1 selektiv reflektiertem Abfragesignal
US4107675A (en) * 1977-03-04 1978-08-15 Sellers John C Transponder-responder system

Also Published As

Publication number Publication date
DE3050223A1 (de) 1982-06-03
GB2086170A (en) 1982-05-06
WO1981002471A1 (en) 1981-09-03

Similar Documents

Publication Publication Date Title
FR2473152B1 (enrdf_load_stackoverflow)
FR2473824B1 (enrdf_load_stackoverflow)
FR2473149B1 (enrdf_load_stackoverflow)
FR2473371B1 (enrdf_load_stackoverflow)
CH660829GA3 (enrdf_load_stackoverflow)
FR2496096B1 (enrdf_load_stackoverflow)
FR2473999B1 (enrdf_load_stackoverflow)
FR2473431B1 (enrdf_load_stackoverflow)
FR2473995B1 (enrdf_load_stackoverflow)
FR2473103B1 (enrdf_load_stackoverflow)
FR2473029B3 (enrdf_load_stackoverflow)
FR2473384B1 (enrdf_load_stackoverflow)
FR2474153B3 (enrdf_load_stackoverflow)
FR2473091B1 (enrdf_load_stackoverflow)
FR2473469B1 (enrdf_load_stackoverflow)
FR2474132B1 (enrdf_load_stackoverflow)
FR2457100B1 (enrdf_load_stackoverflow)
FR2473474B1 (enrdf_load_stackoverflow)
FR2473586B1 (enrdf_load_stackoverflow)
FR2473317B1 (enrdf_load_stackoverflow)
FR2473251B1 (enrdf_load_stackoverflow)
FR2474038B1 (enrdf_load_stackoverflow)
FR2473986B3 (enrdf_load_stackoverflow)
JPS57500206A (enrdf_load_stackoverflow)
FR2473209B1 (enrdf_load_stackoverflow)