FR967660A - Improvements to marine sounding systems - Google Patents

Improvements to marine sounding systems

Info

Publication number
FR967660A
FR967660A FR967660DA FR967660A FR 967660 A FR967660 A FR 967660A FR 967660D A FR967660D A FR 967660DA FR 967660 A FR967660 A FR 967660A
Authority
FR
France
Prior art keywords
sounding systems
marine sounding
marine
systems
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
French (fr)
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 FR967660A publication Critical patent/FR967660A/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
    • 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)
FR967660D 1948-06-04 1948-06-04 Improvements to marine sounding systems Expired FR967660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967660T 1948-06-04

Publications (1)

Publication Number Publication Date
FR967660A true FR967660A (en) 1950-11-09

Family

ID=9500788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967660D Expired FR967660A (en) 1948-06-04 1948-06-04 Improvements to marine sounding systems

Country Status (1)

Country Link
FR (1) FR967660A (en)

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