FR686352A - émetteur de son sous-marin avec ondes sonores dirigées - Google Patents

émetteur de son sous-marin avec ondes sonores dirigées

Info

Publication number
FR686352A
FR686352A FR686352DA FR686352A FR 686352 A FR686352 A FR 686352A FR 686352D A FR686352D A FR 686352DA FR 686352 A FR686352 A FR 686352A
Authority
FR
France
Prior art keywords
sound
directed
transmitter
underwater
waves
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.)
Julius Pintsch AG
Original Assignee
Julius Pintsch AG
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 Julius Pintsch AG filed Critical Julius Pintsch AG
Application granted granted Critical
Publication of FR686352A publication Critical patent/FR686352A/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)
FR686352D 1928-12-13 1929-12-09 émetteur de son sous-marin avec ondes sonores dirigées Expired FR686352A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE686352X 1928-12-13

Publications (1)

Publication Number Publication Date
FR686352A true FR686352A (fr) 1930-07-25

Family

ID=6598045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR686352D Expired FR686352A (fr) 1928-12-13 1929-12-09 émetteur de son sous-marin avec ondes sonores dirigées

Country Status (1)

Country Link
FR (1) FR686352A (fr)

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