FR659470A - Method and device for measuring distances by means of electromagnetic waves - Google Patents

Method and device for measuring distances by means of electromagnetic waves

Info

Publication number
FR659470A
FR659470A FR659470DA FR659470A FR 659470 A FR659470 A FR 659470A FR 659470D A FR659470D A FR 659470DA FR 659470 A FR659470 A FR 659470A
Authority
FR
France
Prior art keywords
electromagnetic waves
measuring distances
distances
measuring
waves
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 FR659470A publication Critical patent/FR659470A/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)
  • Radar Systems Or Details Thereof (AREA)
FR659470D 1927-12-15 1927-12-15 Method and device for measuring distances by means of electromagnetic waves Expired FR659470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR659470T 1927-12-15

Publications (1)

Publication Number Publication Date
FR659470A true FR659470A (en) 1929-06-28

Family

ID=9009687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659470D Expired FR659470A (en) 1927-12-15 1927-12-15 Method and device for measuring distances by means of electromagnetic waves

Country Status (2)

Country Link
FR (1) FR659470A (en)
GB (1) GB302602A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR837278A (en) * 1937-10-02 1939-02-07 Materiel Telephonique Sounding devices using electro-magnetic waves
NL59193C (en) * 1938-12-01
US2496998A (en) * 1939-11-08 1950-02-07 Rca Corp Radio echo systems with means for protecting receivers
US2435615A (en) * 1941-09-30 1948-02-10 Board Object detecting and locating system
US2454810A (en) * 1943-01-23 1948-11-30 Standard Telephones Cables Ltd Radio transmitting and receiving system

Also Published As

Publication number Publication date
GB302602A (en) 1929-05-30

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