FR1593791A - - Google Patents

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Publication number
FR1593791A
FR1593791A FR1593791DA FR1593791A FR 1593791 A FR1593791 A FR 1593791A FR 1593791D A FR1593791D A FR 1593791DA FR 1593791 A FR1593791 A FR 1593791A
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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
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 FR1593791A publication Critical patent/FR1593791A/fr
Expired legal-status Critical Current

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water

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)
FR1593791D 1967-11-29 1968-11-28 Expired FR1593791A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5438567 1967-11-29

Publications (1)

Publication Number Publication Date
FR1593791A true FR1593791A (fr) 1970-06-01

Family

ID=10470832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1593791D Expired FR1593791A (fr) 1967-11-29 1968-11-28

Country Status (1)

Country Link
FR (1) FR1593791A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021534A1 (fr) * 1979-06-25 1981-01-07 Koninklijke Philips Electronics N.V. Transducteur acoustique
EP0142318A2 (fr) * 1983-11-09 1985-05-22 Matsushita Electric Industrial Co., Ltd. Transducteur à ultrasons
EP0212352A1 (fr) * 1985-08-09 1987-03-04 Siemens Aktiengesellschaft Générateur d'ultrasons
FR2615958A1 (fr) * 1987-05-29 1988-12-02 Radarson Procedes et dispositifs pour augmenter la portee d'un capteur de distance constitue par un transducteur electro-acoustique place dans un gaz
FR2806162A1 (fr) * 2000-03-09 2001-09-14 Snecma Moteurs Procede de controle ultrasonore par adaptation d'impedance acoustique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021534A1 (fr) * 1979-06-25 1981-01-07 Koninklijke Philips Electronics N.V. Transducteur acoustique
EP0142318A2 (fr) * 1983-11-09 1985-05-22 Matsushita Electric Industrial Co., Ltd. Transducteur à ultrasons
EP0142318A3 (fr) * 1983-11-09 1987-03-11 Matsushita Electric Industrial Co., Ltd. Transducteur à ultrasons
EP0212352A1 (fr) * 1985-08-09 1987-03-04 Siemens Aktiengesellschaft Générateur d'ultrasons
US4718421A (en) * 1985-08-09 1988-01-12 Siemens Aktiengesellschaft Ultrasound generator
FR2615958A1 (fr) * 1987-05-29 1988-12-02 Radarson Procedes et dispositifs pour augmenter la portee d'un capteur de distance constitue par un transducteur electro-acoustique place dans un gaz
FR2806162A1 (fr) * 2000-03-09 2001-09-14 Snecma Moteurs Procede de controle ultrasonore par adaptation d'impedance acoustique

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse