FR46023E - Radio-electric device for measuring distances - Google Patents

Radio-electric device for measuring distances

Info

Publication number
FR46023E
FR46023E FR46023DA FR46023E FR 46023 E FR46023 E FR 46023E FR 46023D A FR46023D A FR 46023DA FR 46023 E FR46023 E FR 46023E
Authority
FR
France
Prior art keywords
radio
electric device
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
Vallon
De France
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 FR46023E publication Critical patent/FR46023E/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
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR46023D 1934-10-18 1934-10-18 Radio-electric device for measuring distances Expired FR46023E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46023T 1934-10-18

Publications (1)

Publication Number Publication Date
FR46023E true FR46023E (en) 1936-02-15

Family

ID=8681706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46023D Expired FR46023E (en) 1934-10-18 1934-10-18 Radio-electric device for measuring distances

Country Status (1)

Country Link
FR (1) FR46023E (en)

Similar Documents

Publication Publication Date Title
FR784425A (en) Radio-electric device for measuring distances
FR787721A (en) Measuring device
FR812176A (en) Parallel milling device
FR807433A (en) Device for measuring roentgen rays
FR46023E (en) Radio-electric device for measuring distances
FR829821A (en) Radio device for measuring angles
FR737087A (en) Device for measuring lengths
FR779919A (en) Device for precise measurement of lengths or angles
CH172770A (en) Device for measuring a displacement.
FR49454E (en) Radio device for measuring bearings
FR785167A (en) Device for detecting distant objects
FR786152A (en) Indicating mechanism for measuring instruments
FR813970A (en) Undemeter for measuring short waves
FI16121A (en) Angle measuring device for compass
FR773083A (en) Locating dial device
FR798232A (en) Device for winders
FR746977A (en) Measuring device
FR875604A (en) Device for measuring distances
FR825092A (en) Calculating mechanism for measuring instruments
FR861591A (en) Installation for distance measurement
FR719206A (en) Device for remote frequency measurement
FR778971A (en) Device for measuring very intense direct currents
FR758721A (en) Indicator device for rolling mills
FR774655A (en) Device for flow measurement
FR784462A (en) Radio-electric device for determining directions