FR440830A - Perfectionnements aux signaux sonores sous-marins - Google Patents

Perfectionnements aux signaux sonores sous-marins

Info

Publication number
FR440830A
FR440830A FR440830DA FR440830A FR 440830 A FR440830 A FR 440830A FR 440830D A FR440830D A FR 440830DA FR 440830 A FR440830 A FR 440830A
Authority
FR
France
Prior art keywords
sound signals
underwater sound
underwater
signals
sound
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
Maurice Le Las
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.)
MAURICE LE LAS
Original Assignee
MAURICE LE LAS
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 MAURICE LE LAS filed Critical MAURICE LE LAS
Application granted granted Critical
Publication of FR440830A publication Critical patent/FR440830A/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)
FR440830D 1911-03-02 1912-03-02 Perfectionnements aux signaux sonores sous-marins Expired FR440830A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE440830X 1911-03-02

Publications (1)

Publication Number Publication Date
FR440830A true FR440830A (fr) 1912-07-22

Family

ID=1482148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR440830D Expired FR440830A (fr) 1911-03-02 1912-03-02 Perfectionnements aux signaux sonores sous-marins

Country Status (1)

Country Link
FR (1) FR440830A (fr)

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