BE510950A - - Google Patents

Info

Publication number
BE510950A
BE510950A BE510950DA BE510950A BE 510950 A BE510950 A BE 510950A BE 510950D A BE510950D A BE 510950DA BE 510950 A BE510950 A BE 510950A
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 BE510950A publication Critical patent/BE510950A/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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/32Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34Systems 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
    • 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
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

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)
BE510950D 1949-12-30 BE510950A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33329/49A GB678389A (en) 1949-12-30 1949-12-30 Improvements in or relating to radio altimeters

Publications (1)

Publication Number Publication Date
BE510950A true BE510950A (xx)

Family

ID=10351531

Family Applications (1)

Application Number Title Priority Date Filing Date
BE510950D BE510950A (xx) 1949-12-30

Country Status (6)

Country Link
US (1) US2686302A (xx)
BE (1) BE510950A (xx)
CH (1) CH303316A (xx)
FR (1) FR1066086A (xx)
GB (1) GB678389A (xx)
NL (1) NL167492B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745269A (en) * 1953-09-25 1956-02-22 Raytheon Mfg Co Improvements in or relating to antenna systems and mounting means therefor
US3065465A (en) * 1958-04-25 1962-11-20 Raytheon Co Distance measuring devices
FR2606159B1 (fr) * 1986-10-31 1989-03-24 Trt Telecom Radio Electr Dispositif radar pour mesurer la distance qui le separe d'un objet
US9116239B1 (en) * 2013-01-14 2015-08-25 Rockwell Collins, Inc. Low range altimeter antenna
CN113965277B (zh) * 2021-11-05 2024-05-10 江西洪都航空工业集团有限责任公司 在密闭环境下对无线电测高表的测试方法、装置及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247662A (en) * 1938-11-16 1941-07-01 Bell Telephone Labor Inc Radiant energy distance measuring system
US2423644A (en) * 1939-05-19 1947-07-08 Rca Corp Range finder
US2222587A (en) * 1939-06-16 1940-11-19 Rca Corp Radio altimeter
US2261272A (en) * 1940-08-07 1941-11-04 Bell Telephone Labor Inc Radiant energy distance measuring system
US2422133A (en) * 1942-12-30 1947-06-10 Rca Corp Frequency modulated altimeter or distance indicator
US2557864A (en) * 1945-12-05 1951-06-19 Raytheon Mfg Co Object-locating radio system
US2510710A (en) * 1947-02-07 1950-06-06 Rca Corp Balanced detector system for radar apparatus
US2568090A (en) * 1948-06-22 1951-09-18 Raytheon Mfg Co Balanced mixer

Also Published As

Publication number Publication date
CH303316A (fr) 1954-11-30
FR1066086A (fr) 1954-06-02
NL167492B (nl)
US2686302A (en) 1954-08-10
GB678389A (en) 1952-09-03

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