NL113618C - - Google Patents

Info

Publication number
NL113618C
NL113618C NL113618DA NL113618C NL 113618 C NL113618 C NL 113618C NL 113618D A NL113618D A NL 113618DA NL 113618 C NL113618 C NL 113618C
Authority
NL
Netherlands
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 NL113618C publication Critical patent/NL113618C/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
    • G01S13/781Secondary Surveillance Radar [SSR] in general
    • 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
    • G01S13/762Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.

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)
NL113618D 1956-05-25 NL113618C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16195/56A GB828709A (en) 1956-05-25 1956-05-25 Improvements in or relating to secondary radar systems

Publications (1)

Publication Number Publication Date
NL113618C true NL113618C (ja)

Family

ID=10072895

Family Applications (1)

Application Number Title Priority Date Filing Date
NL113618D NL113618C (ja) 1956-05-25

Country Status (5)

Country Link
US (1) US3014212A (ja)
DE (1) DE1061396B (ja)
FR (1) FR1184578A (ja)
GB (1) GB828709A (ja)
NL (1) NL113618C (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE622184A (ja) * 1961-09-06

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2156653A (en) * 1935-06-04 1939-05-02 Telefunken Gmbh Ultra short wave system
US2324548A (en) * 1941-09-18 1943-07-20 Hazeltine Corp Directive antenna system
US2476337A (en) * 1943-01-22 1949-07-19 Sperry Corp Secret radio communication
US2421032A (en) * 1943-08-09 1947-05-27 Standard Telephones Cables Ltd Unidirectional antenna
GB734588A (en) * 1952-05-09 1955-08-03 Derek Alfred Levell Improvements in or relating to secondary radar systems

Also Published As

Publication number Publication date
DE1061396B (de) 1959-07-16
GB828709A (en) 1960-02-24
FR1184578A (fr) 1959-07-23
US3014212A (en) 1961-12-19

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