FR532115A - Advanced radiation system for underwater hearing devices - Google Patents

Advanced radiation system for underwater hearing devices

Info

Publication number
FR532115A
FR532115A FR532115DA FR532115A FR 532115 A FR532115 A FR 532115A FR 532115D A FR532115D A FR 532115DA FR 532115 A FR532115 A FR 532115A
Authority
FR
France
Prior art keywords
radiation system
hearing devices
advanced radiation
underwater hearing
underwater
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.)
Signal GmbH
Original Assignee
Signal GmbH
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 Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR532115A publication Critical patent/FR532115A/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
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR532115D 1915-09-08 1920-07-05 Advanced radiation system for underwater hearing devices Expired FR532115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE532115X 1915-09-08

Publications (1)

Publication Number Publication Date
FR532115A true FR532115A (en) 1922-01-28

Family

ID=6555288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532115D Expired FR532115A (en) 1915-09-08 1920-07-05 Advanced radiation system for underwater hearing devices

Country Status (1)

Country Link
FR (1) FR532115A (en)

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