BE520931A - - Google Patents

Info

Publication number
BE520931A
BE520931A BE520931DA BE520931A BE 520931 A BE520931 A BE 520931A BE 520931D A BE520931D A BE 520931DA BE 520931 A BE520931 A BE 520931A
Authority
BE
Belgium
Application number
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.)
Publication of BE520931A publication Critical patent/BE520931A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/74Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78Systems 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/91Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/913Radar or analogous systems specially adapted for specific applications for traffic control for landing purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE520931D 1952-06-25 BE520931A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL750327X 1952-06-25

Publications (1)

Publication Number Publication Date
BE520931A true BE520931A (ko)

Family

ID=19823409

Family Applications (1)

Application Number Title Priority Date Filing Date
BE520931D BE520931A (ko) 1952-06-25

Country Status (6)

Country Link
US (1) US2831185A (ko)
BE (1) BE520931A (ko)
DE (1) DE947092C (ko)
FR (1) FR1085968A (ko)
GB (1) GB750327A (ko)
NL (2) NL170603B (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967649C (de) * 1953-08-14 1957-12-05 Telefunken Gmbh Verfahren zum Hervorheben einzelner Impulsanzeigen im oszillographischen Anzeigebildvon Impulsradargeraeten
US3049705A (en) * 1960-04-01 1962-08-14 Sperry Rand Corp Position-selective call and identification system
US4764769A (en) * 1983-10-19 1988-08-16 Vega Precision Laboratories, Inc. Position coded pulse communication system
DE3624143A1 (de) * 1986-07-17 1988-01-21 Standard Elektrik Lorenz Ag Einrichtung zur freund-feind-identifikation
US5170168A (en) * 1986-07-17 1992-12-08 Standard Elektrik Lorenz Ag Identification of friend from foe device
US5966226A (en) * 1996-10-11 1999-10-12 Oerlikon-Contraves Ag Combat communication system
CN115857027B (zh) * 2022-10-20 2024-07-23 深达威科技(广东)股份有限公司 一种管道测堵仪

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547945A (en) * 1944-01-29 1951-04-10 Sperry Corp System for conveying traffic data to aircraft
US2528202A (en) * 1945-08-30 1950-10-31 Rca Corp Radio navigation system
US2513490A (en) * 1947-02-28 1950-07-04 Rca Corp Selective communication system between ground station and a plurality of mobile stations

Also Published As

Publication number Publication date
DE947092C (de) 1956-08-09
FR1085968A (fr) 1955-02-08
US2831185A (en) 1958-04-15
GB750327A (en) 1956-06-13
NL91417C (ko)
NL170603B (nl)

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