FR475524A - - Google Patents

Info

Publication number
FR475524A
FR475524A FR475524DA FR475524A FR 475524 A FR475524 A FR 475524A FR 475524D A FR475524D A FR 475524DA FR 475524 A FR475524 A FR 475524A
Authority
FR
France
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.)
Active
Application number
Other languages
French (fr)
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 FR475524A publication Critical patent/FR475524A/fr
Active 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/16—Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electrical and acoustic signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR475524D 1914-02-19 Active FR475524A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191404352T 1914-02-19

Publications (1)

Publication Number Publication Date
FR475524A true FR475524A (xx)

Family

ID=32581996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR475524D Active FR475524A (xx) 1914-02-19

Country Status (2)

Country Link
FR (1) FR475524A (xx)
GB (1) GB191404352A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386048A1 (fr) * 1977-03-29 1978-10-27 Davall & Sons Ltd Perfectionnements a l'aide a la navigation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386048A1 (fr) * 1977-03-29 1978-10-27 Davall & Sons Ltd Perfectionnements a l'aide a la navigation

Also Published As

Publication number Publication date
GB191404352A (en) 1915-08-12

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