FR876822A - Dispositif pour la production de champs sonores convergents - Google Patents

Dispositif pour la production de champs sonores convergents

Info

Publication number
FR876822A
FR876822A FR876822DA FR876822A FR 876822 A FR876822 A FR 876822A FR 876822D A FR876822D A FR 876822DA FR 876822 A FR876822 A FR 876822A
Authority
FR
France
Prior art keywords
production
sound fields
converging sound
converging
fields
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.)
Atlas Werke AG
Original Assignee
Atlas Werke AG
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 Atlas Werke AG filed Critical Atlas Werke AG
Application granted granted Critical
Publication of FR876822A publication Critical patent/FR876822A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/26Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/262Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341Circuits therefor
    • G10K11/346Circuits therefor using phase variation

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR876822D 1940-11-18 1941-11-12 Dispositif pour la production de champs sonores convergents Expired FR876822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE876822X 1940-11-18

Publications (1)

Publication Number Publication Date
FR876822A true FR876822A (fr) 1942-11-18

Family

ID=6817828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876822D Expired FR876822A (fr) 1940-11-18 1941-11-12 Dispositif pour la production de champs sonores convergents

Country Status (1)

Country Link
FR (1) FR876822A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1114957B (de) * 1951-03-28 1961-10-12 Int Standard Electric Corp Elektromechanische Verzoegerungsvorrichtung
FR2324004A1 (fr) * 1975-09-15 1977-04-08 Commw Of Australia Perfectionnements apportes aux dispositifs pour l'examen ultrasonique
FR2580198A1 (fr) * 1985-04-16 1986-10-17 Omega Formation Dispositif de nettoyage de pieces mecaniques par ultrasons

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1114957B (de) * 1951-03-28 1961-10-12 Int Standard Electric Corp Elektromechanische Verzoegerungsvorrichtung
FR2324004A1 (fr) * 1975-09-15 1977-04-08 Commw Of Australia Perfectionnements apportes aux dispositifs pour l'examen ultrasonique
FR2580198A1 (fr) * 1985-04-16 1986-10-17 Omega Formation Dispositif de nettoyage de pieces mecaniques par ultrasons
EP0205355A1 (fr) * 1985-04-16 1986-12-17 Omega Technologies Dispositif de nettoyage de pièces mécaniques par ultrasons

Similar Documents

Publication Publication Date Title
FR864375A (fr) Dispositif pour la représentation des obstacles
FR876822A (fr) Dispositif pour la production de champs sonores convergents
FR871964A (fr) Dispositif pour la production de revêtements métalliques
FR816283A (fr) Dispositif pour la réception et la détermination de la direction de sources sonores
FR877851A (fr) Dispositif acoustique d'alarme
FR51249E (fr) Accouplement pour tuyaux
FR894863A (fr) Dispositif pour la production d'ondes sonores
FR862921A (fr) Dispositif de freinage pour avions
CH279786A (de) Elektromagnetische Vorrichtung.
FR874131A (fr) Dispositif pour déterminer la direction de sources sonores
FR871924A (fr) Dispositif pour ondes ultra-courtes
FR869307A (fr) Filtre-épurateur pour gazogènes
FR872387A (fr) Appareils de sondage par l'écho pour véhicules
FR873542A (fr) Amplificateur pour hautes fréquences
FR942016A (fr) Dispositif pour l'assemblage provisoire de tôles
BE439684A (fr) Dispositif de pulvérisation pour la production pour la production de revêtements
FR857241A (fr) Dispositif pour l'enseignement de la musique
CA391048A (fr) Dispositif a jouer le bridge
FR866338A (fr) Dispositif pour le repérage par le son
FR879943A (fr) Membrane pour boîte sonore
CA12896S (fr) Statuette
FR881034A (fr) Boîte pour dispositifs de signal d'alarme
FR836171A (fr) Dispositif pour produire des champs électrostatiques
FR890884A (fr) Système magnétique pour haut-parleur
FR886417A (fr) Doseur-mélangeur pour gazogènes