FR429871A - Underwater acoustic warning device - Google Patents

Underwater acoustic warning device

Info

Publication number
FR429871A
FR429871A FR429871DA FR429871A FR 429871 A FR429871 A FR 429871A FR 429871D A FR429871D A FR 429871DA FR 429871 A FR429871 A FR 429871A
Authority
FR
France
Prior art keywords
warning device
underwater acoustic
acoustic warning
underwater
warning
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.)
Electric Boat Corp
Original Assignee
Electric Boat Corp
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 Electric Boat Corp filed Critical Electric Boat Corp
Application granted granted Critical
Publication of FR429871A publication Critical patent/FR429871A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR429871D 1910-05-25 1911-05-04 Underwater acoustic warning device Expired FR429871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US429871XA 1910-05-25 1910-05-25

Publications (1)

Publication Number Publication Date
FR429871A true FR429871A (en) 1911-10-03

Family

ID=1472166

Family Applications (1)

Application Number Title Priority Date Filing Date
FR429871D Expired FR429871A (en) 1910-05-25 1911-05-04 Underwater acoustic warning device

Country Status (1)

Country Link
FR (1) FR429871A (en)

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