FR840047A - Refinements to submarine acoustics transmitters and receivers - Google Patents

Refinements to submarine acoustics transmitters and receivers

Info

Publication number
FR840047A
FR840047A FR840047DA FR840047A FR 840047 A FR840047 A FR 840047A FR 840047D A FR840047D A FR 840047DA FR 840047 A FR840047 A FR 840047A
Authority
FR
France
Prior art keywords
refinements
transmitters
receivers
acoustics
submarine
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR840047A publication Critical patent/FR840047A/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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR840047D 1937-12-22 1937-12-22 Refinements to submarine acoustics transmitters and receivers Expired FR840047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR840047T 1937-12-22

Publications (1)

Publication Number Publication Date
FR840047A true FR840047A (en) 1939-04-18

Family

ID=9300083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840047D Expired FR840047A (en) 1937-12-22 1937-12-22 Refinements to submarine acoustics transmitters and receivers

Country Status (1)

Country Link
FR (1) FR840047A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1063632A1 (en) * 1999-06-23 2000-12-27 Asulab S.A. Water resistant device for immersion in water and comprising a sound transducer
US6321868B1 (en) 1999-06-23 2001-11-27 Asulab S.A. Watertight apparatus capable of being immersed and including an acoustic transducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1063632A1 (en) * 1999-06-23 2000-12-27 Asulab S.A. Water resistant device for immersion in water and comprising a sound transducer
US6321868B1 (en) 1999-06-23 2001-11-27 Asulab S.A. Watertight apparatus capable of being immersed and including an acoustic transducer

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