FR665337A - Method and devices for measuring distances by means of electromagnetic waves - Google Patents

Method and devices for measuring distances by means of electromagnetic waves

Info

Publication number
FR665337A
FR665337A FR665337DA FR665337A FR 665337 A FR665337 A FR 665337A FR 665337D A FR665337D A FR 665337DA FR 665337 A FR665337 A FR 665337A
Authority
FR
France
Prior art keywords
devices
electromagnetic waves
measuring distances
distances
measuring
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Alexandre Koulikoff
Constantin Chilowsky
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 filed Critical
Application granted granted Critical
Publication of FR665337A publication Critical patent/FR665337A/en
Expired legal-status Critical Current

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
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR665337D 1928-03-20 1928-03-20 Method and devices for measuring distances by means of electromagnetic waves Expired FR665337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR665337T 1928-03-20

Publications (1)

Publication Number Publication Date
FR665337A true FR665337A (en) 1929-09-17

Family

ID=9013256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR665337D Expired FR665337A (en) 1928-03-20 1928-03-20 Method and devices for measuring distances by means of electromagnetic waves

Country Status (1)

Country Link
FR (1) FR665337A (en)

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