FR976100A - Perfectionnements aux appareils de sondage par écho sonore ou ultra sonore - Google Patents

Perfectionnements aux appareils de sondage par écho sonore ou ultra sonore

Info

Publication number
FR976100A
FR976100A FR976100DA FR976100A FR 976100 A FR976100 A FR 976100A FR 976100D A FR976100D A FR 976100DA FR 976100 A FR976100 A FR 976100A
Authority
FR
France
Prior art keywords
sounding
ultrasonic echo
devices
echo sounding
sounding devices
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 by Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR976100A publication Critical patent/FR976100A/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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR976100D 1942-04-09 1942-04-09 Perfectionnements aux appareils de sondage par écho sonore ou ultra sonore Expired FR976100A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976100T 1942-04-09

Publications (1)

Publication Number Publication Date
FR976100A true FR976100A (fr) 1951-03-13

Family

ID=9518560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976100D Expired FR976100A (fr) 1942-04-09 1942-04-09 Perfectionnements aux appareils de sondage par écho sonore ou ultra sonore

Country Status (1)

Country Link
FR (1) FR976100A (fr)

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