FR1031924A - Perfectionnement aux projecteurs ultra-sonores - Google Patents

Perfectionnement aux projecteurs ultra-sonores

Info

Publication number
FR1031924A
FR1031924A FR1031924DA FR1031924A FR 1031924 A FR1031924 A FR 1031924A FR 1031924D A FR1031924D A FR 1031924DA FR 1031924 A FR1031924 A FR 1031924A
Authority
FR
France
Prior art keywords
advanced training
projectors
ultrasonic
ultrasonic projectors
training
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.)
Societe de Condensation et dApplications Mecaniques
Original Assignee
Societe de Condensation et dApplications Mecaniques
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 Societe de Condensation et dApplications Mecaniques filed Critical Societe de Condensation et dApplications Mecaniques
Application granted granted Critical
Publication of FR1031924A publication Critical patent/FR1031924A/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
    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1031924D 1951-01-31 1951-01-31 Perfectionnement aux projecteurs ultra-sonores Expired FR1031924A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031924T 1951-01-31

Publications (1)

Publication Number Publication Date
FR1031924A true FR1031924A (fr) 1953-06-29

Family

ID=9583444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031924D Expired FR1031924A (fr) 1951-01-31 1951-01-31 Perfectionnement aux projecteurs ultra-sonores

Country Status (1)

Country Link
FR (1) FR1031924A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194614B (de) * 1958-08-23 1965-06-10 Telefunken Patent Verfahren zum Herstellen einer flaechenhaften Verbindung zweier durch mechanische Schwingungen erregter Koerper
US3823477A (en) * 1972-02-23 1974-07-16 Pevrick Eng Co Inc Dental hygiene tool
FR2571988A1 (fr) * 1984-10-23 1986-04-25 Scp Biscornet Tete ultrasonore

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194614B (de) * 1958-08-23 1965-06-10 Telefunken Patent Verfahren zum Herstellen einer flaechenhaften Verbindung zweier durch mechanische Schwingungen erregter Koerper
US3823477A (en) * 1972-02-23 1974-07-16 Pevrick Eng Co Inc Dental hygiene tool
FR2571988A1 (fr) * 1984-10-23 1986-04-25 Scp Biscornet Tete ultrasonore
EP0183583A1 (fr) * 1984-10-23 1986-06-04 S C P Biscornet Dispositif d'insonification

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