FR22505E - Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source - Google Patents

Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source

Info

Publication number
FR22505E
FR22505E FR22505A FR22505DA FR22505E FR 22505 E FR22505 E FR 22505E FR 22505 A FR22505 A FR 22505A FR 22505D A FR22505D A FR 22505DA FR 22505 E FR22505 E FR 22505E
Authority
FR
France
Prior art keywords
discovering
underwater
locating
approach
sound source
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
FR22505A
Other languages
French (fr)
Inventor
Pierre Le Goaziou
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.)
PIERRE LE GOAZIOU
Original Assignee
PIERRE LE GOAZIOU
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 PIERRE LE GOAZIOU filed Critical PIERRE LE GOAZIOU
Application granted granted Critical
Publication of FR22505E publication Critical patent/FR22505E/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)
FR22505A 1918-12-07 1918-12-07 Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source Expired FR22505E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR22505T 1918-12-07

Publications (1)

Publication Number Publication Date
FR22505E true FR22505E (en) 1921-07-23

Family

ID=8661365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR22505A Expired FR22505E (en) 1918-12-07 1918-12-07 Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source

Country Status (1)

Country Link
FR (1) FR22505E (en)

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