FR1017369A - Appareil générateur d'ultra-sons - Google Patents

Appareil générateur d'ultra-sons

Info

Publication number
FR1017369A
FR1017369A FR1017369DA FR1017369A FR 1017369 A FR1017369 A FR 1017369A FR 1017369D A FR1017369D A FR 1017369DA FR 1017369 A FR1017369 A FR 1017369A
Authority
FR
France
Prior art keywords
ultrasonic generator
ultrasonic
generator
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)
Inventor
Georges Fouilloux
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 filed Critical
Application granted granted Critical
Publication of FR1017369A publication Critical patent/FR1017369A/fr
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
    • G10K7/00—Sirens
    • G10K7/005—Ultrasonic sirens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1017369D 1950-05-09 1950-05-09 Appareil générateur d'ultra-sons Expired FR1017369A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1017369T 1950-05-09

Publications (1)

Publication Number Publication Date
FR1017369A true FR1017369A (fr) 1952-12-09

Family

ID=9574438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1017369D Expired FR1017369A (fr) 1950-05-09 1950-05-09 Appareil générateur d'ultra-sons

Country Status (1)

Country Link
FR (1) FR1017369A (fr)

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