FR2257974B1 - - Google Patents

Info

Publication number
FR2257974B1
FR2257974B1 FR7400775A FR7400775A FR2257974B1 FR 2257974 B1 FR2257974 B1 FR 2257974B1 FR 7400775 A FR7400775 A FR 7400775A FR 7400775 A FR7400775 A FR 7400775A FR 2257974 B1 FR2257974 B1 FR 2257974B1
Authority
FR
France
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
FR7400775A
Other languages
French (fr)
Other versions
FR2257974A1 (enrdf_load_stackoverflow
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7400775A priority Critical patent/FR2257974B1/fr
Priority to BE151766A priority patent/BE823662A/xx
Priority to GB15175A priority patent/GB1469391A/en
Priority to SE7500132A priority patent/SE7500132L/xx
Priority to DE19757500305U priority patent/DE7500305U/de
Priority to ES433662A priority patent/ES433662A1/es
Priority to IT67034/75A priority patent/IT1027261B/it
Publication of FR2257974A1 publication Critical patent/FR2257974A1/fr
Application granted granted Critical
Publication of FR2257974B1 publication Critical patent/FR2257974B1/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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
FR7400775A 1974-01-10 1974-01-10 Expired FR2257974B1 (enrdf_load_stackoverflow)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7400775A FR2257974B1 (enrdf_load_stackoverflow) 1974-01-10 1974-01-10
BE151766A BE823662A (fr) 1974-01-10 1974-12-20 Dispositif de transmission et de concentration d'ondes acoustiques
GB15175A GB1469391A (en) 1974-01-10 1975-01-02 Ultrasonic transmitter or receiver
SE7500132A SE7500132L (enrdf_load_stackoverflow) 1974-01-10 1975-01-08
DE19757500305U DE7500305U (de) 1974-01-10 1975-01-08 Vorrichtung zur uebertragung und konzentrierung von schallwellen
ES433662A ES433662A1 (es) 1974-01-10 1975-01-09 Dispositivo de concentracion y de transmision de ondas acus-ticas.
IT67034/75A IT1027261B (it) 1974-01-10 1975-01-09 Dispositivo di trasmissione e di concentrazione di onde acustiche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400775A FR2257974B1 (enrdf_load_stackoverflow) 1974-01-10 1974-01-10

Publications (2)

Publication Number Publication Date
FR2257974A1 FR2257974A1 (enrdf_load_stackoverflow) 1975-08-08
FR2257974B1 true FR2257974B1 (enrdf_load_stackoverflow) 1978-11-10

Family

ID=9133301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400775A Expired FR2257974B1 (enrdf_load_stackoverflow) 1974-01-10 1974-01-10

Country Status (7)

Country Link
BE (1) BE823662A (enrdf_load_stackoverflow)
DE (1) DE7500305U (enrdf_load_stackoverflow)
ES (1) ES433662A1 (enrdf_load_stackoverflow)
FR (1) FR2257974B1 (enrdf_load_stackoverflow)
GB (1) GB1469391A (enrdf_load_stackoverflow)
IT (1) IT1027261B (enrdf_load_stackoverflow)
SE (1) SE7500132L (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410287A1 (fr) * 1977-11-23 1979-06-22 Cgr Ultrasonic Appareil d'echographie medicale a balayage sectoriel de grande ouverture angulaire
DE3003153C2 (de) * 1980-01-30 1982-04-29 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Vorrichtung zur fernbedienten Ortung von Oberflächen

Also Published As

Publication number Publication date
FR2257974A1 (enrdf_load_stackoverflow) 1975-08-08
IT1027261B (it) 1978-11-20
GB1469391A (en) 1977-04-06
ES433662A1 (es) 1977-07-01
SE7500132L (enrdf_load_stackoverflow) 1975-07-11
DE7500305U (de) 1975-12-11
BE823662A (fr) 1975-04-16

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Legal Events

Date Code Title Description
ST Notification of lapse