BE500946A - - Google Patents

Info

Publication number
BE500946A
BE500946A BE500946DA BE500946A BE 500946 A BE500946 A BE 500946A BE 500946D A BE500946D A BE 500946DA BE 500946 A BE500946 A BE 500946A
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 BE500946A publication Critical patent/BE500946A/xx

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
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar

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)
BE500946D 1950-02-03 BE500946A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US142169A US2725556A (en) 1950-02-03 1950-02-03 Distance and direction indicating equipment

Publications (1)

Publication Number Publication Date
BE500946A true BE500946A (xx)

Family

ID=22498807

Family Applications (1)

Application Number Title Priority Date Filing Date
BE500946D BE500946A (xx) 1950-02-03

Country Status (2)

Country Link
US (1) US2725556A (xx)
BE (1) BE500946A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2883540A (en) * 1956-07-31 1959-04-21 Nat Company Inc Microwave signal generating system
DE1255159B (de) * 1962-04-11 1967-11-30 Siemens Ag Mit Primaer-Radaranlagen kombinierte Sekundaer-Radaranlagen
US4042922A (en) * 1976-09-03 1977-08-16 The Bendix Corporation Multi-mode radar system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB454954A (en) * 1935-04-10 1936-10-12 Marconi Wireless Telegraph Co Improvements in or relating to modulated carrier wave receivers
US2288025A (en) * 1940-08-03 1942-06-30 Bell Telephone Labor Inc Automatic frequency control system
US2317547A (en) * 1941-09-06 1943-04-27 Don C Mcrae Communication system
BE468045A (xx) * 1942-07-30
US2547945A (en) * 1944-01-29 1951-04-10 Sperry Corp System for conveying traffic data to aircraft
US2452601A (en) * 1944-06-10 1948-11-02 Richard H Ranger Frequency control means
NL78640C (xx) * 1945-09-27
US2484798A (en) * 1945-12-29 1949-10-11 Philco Corp Signal transmission system
US2462841A (en) * 1946-03-18 1949-03-01 Raytheon Mfg Co Frequency-stabilizing system
US2549131A (en) * 1946-08-22 1951-04-17 Bell Telephone Labor Inc Radar equipment testing system
FR57991E (fr) * 1948-02-04 1953-09-18 Csf Perfectionnements aux méthodes et appareils de détection radioélectriques des obstacles
US2633492A (en) * 1948-12-30 1953-03-31 Bell Telephone Labor Inc Guided wave frequency range, frequency selective and equalizing structure

Also Published As

Publication number Publication date
US2725556A (en) 1955-11-29

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