FR46973E - Nouveau procédé de sondage par écho - Google Patents

Nouveau procédé de sondage par écho

Info

Publication number
FR46973E
FR46973E FR46973DA FR46973E FR 46973 E FR46973 E FR 46973E FR 46973D A FR46973D A FR 46973DA FR 46973 E FR46973 E FR 46973E
Authority
FR
France
Prior art keywords
sounding process
echo sounding
new echo
new
sounding
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
English (en)
Inventor
Alexander Askenasy
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 FR46973E publication Critical patent/FR46973E/fr
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
    • G01S13/02—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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/12—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/12—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR46973D 1934-03-21 1936-01-18 Nouveau procédé de sondage par écho Expired FR46973E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL68819A NL40221C (fr) 1934-03-21 1934-03-21

Publications (1)

Publication Number Publication Date
FR46973E true FR46973E (fr) 1936-11-23

Family

ID=19786326

Family Applications (2)

Application Number Title Priority Date Filing Date
FR787383D Expired FR787383A (fr) 1934-03-21 1935-03-14 Nouveau procédé de sondage par écho
FR46973D Expired FR46973E (fr) 1934-03-21 1936-01-18 Nouveau procédé de sondage par écho

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR787383D Expired FR787383A (fr) 1934-03-21 1935-03-14 Nouveau procédé de sondage par écho

Country Status (4)

Country Link
DE (1) DE725379C (fr)
FR (2) FR787383A (fr)
GB (1) GB453164A (fr)
NL (1) NL40221C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB657314A (en) * 1947-07-02 1951-09-19 Bendix Aviat Corp Echo ranging apparatus
DE886529C (de) * 1950-03-21 1953-08-13 Hoerder Huettenunion Ag Feststellen des leeren Raumes zwischen Beschickungssaeule und der Gicht bei Schachtoefen, insbesondere Hochoefen
DE962589C (de) * 1953-12-08 1957-04-25 Electroacustic Ges M B H Nach dem Impulsrueckstrahlverfahren arbeitende Echoloteinrichtung
US2890437A (en) * 1955-07-18 1959-06-09 Honeywell Regulator Co Sonar apparatus

Also Published As

Publication number Publication date
NL40221C (fr) 1937-03-15
DE725379C (de) 1942-09-21
GB453164A (en) 1936-09-07
FR787383A (fr) 1935-09-21

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