BE441059A - - Google Patents

Info

Publication number
BE441059A
BE441059A BE441059DA BE441059A BE 441059 A BE441059 A BE 441059A BE 441059D A BE441059D A BE 441059DA BE 441059 A BE441059 A BE 441059A
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 BE441059A publication Critical patent/BE441059A/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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated

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)
BE441059D 1939-09-07 BE441059A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US293741A US2248599A (en) 1939-09-07 1939-09-07 Radio distance meter

Publications (1)

Publication Number Publication Date
BE441059A true BE441059A (zh)

Family

ID=23130382

Family Applications (1)

Application Number Title Priority Date Filing Date
BE441059D BE441059A (zh) 1939-09-07

Country Status (3)

Country Link
US (1) US2248599A (zh)
BE (1) BE441059A (zh)
GB (1) GB540999A (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417815A (en) * 1940-03-15 1947-03-25 Standard Telephones Cables Ltd Radio distance meter
US2966676A (en) * 1942-06-30 1960-12-27 Bessie E Fox Electronic apparatus and method for measuring distance
US3016513A (en) * 1943-05-26 1962-01-09 Karl S Van Dyke Fm echo-ranging system
US2521683A (en) * 1944-06-29 1950-09-12 Eastern Ind Inc Traffic detection apparatus
US2622241A (en) * 1946-02-25 1952-12-16 Rca Corp Device for calibrating frequency modulated radar equipment
US2595241A (en) * 1947-08-01 1952-05-06 Eastman Oil Well Survey Co Method and apparatus for measuring the cross sectional area of well bores by supersonic waves
US2977590A (en) * 1953-02-12 1961-03-28 Robert C Lovick Method of testing a proximity fuze
US3112481A (en) * 1957-12-20 1963-11-26 Litton Systems Inc Continuous wave frequency modulation distance measuring apparatus
CN1322335C (zh) * 2002-06-07 2007-06-20 株式会社岛精机制作所 距离测量方法和用于所述方法的装置

Also Published As

Publication number Publication date
US2248599A (en) 1941-07-08
GB540999A (en) 1941-11-07

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