CH259857A - Device for measuring distances and locating by means of radio waves. - Google Patents

Device for measuring distances and locating by means of radio waves.

Info

Publication number
CH259857A
CH259857A CH259857DA CH259857A CH 259857 A CH259857 A CH 259857A CH 259857D A CH259857D A CH 259857DA CH 259857 A CH259857 A CH 259857A
Authority
CH
Switzerland
Prior art keywords
locating
radio waves
measuring distances
distances
measuring
Prior art date
Application number
Other languages
French (fr)
Inventor
Limited Marconi S Wire Company
Original Assignee
Marconi Wireless Telegraph Co
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.)
Filing date
Publication date
Application filed by Marconi Wireless Telegraph Co filed Critical Marconi Wireless Telegraph Co
Publication of CH259857A publication Critical patent/CH259857A/en

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
    • 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
    • G01S13/345—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 using triangular modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH259857D 1945-10-12 1946-12-03 Device for measuring distances and locating by means of radio waves. CH259857A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB259856X 1945-10-12
GB259857X 1945-10-12
GB111046X 1946-10-11

Publications (1)

Publication Number Publication Date
CH259857A true CH259857A (en) 1949-02-15

Family

ID=27256636

Family Applications (1)

Application Number Title Priority Date Filing Date
CH259857D CH259857A (en) 1945-10-12 1946-12-03 Device for measuring distances and locating by means of radio waves.

Country Status (3)

Country Link
CH (1) CH259857A (en)
FR (1) FR945882A (en)
GB (1) GB621848A (en)

Also Published As

Publication number Publication date
GB621848A (en) 1949-04-21
FR945882A (en) 1949-05-17

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