FR2633139B1 - Transducteur de signaux d'emission acoustique - Google Patents
Transducteur de signaux d'emission acoustiqueInfo
- Publication number
- FR2633139B1 FR2633139B1 FR8808181A FR8808181A FR2633139B1 FR 2633139 B1 FR2633139 B1 FR 2633139B1 FR 8808181 A FR8808181 A FR 8808181A FR 8808181 A FR8808181 A FR 8808181A FR 2633139 B1 FR2633139 B1 FR 2633139B1
- Authority
- FR
- France
- Prior art keywords
- acoustic emission
- emission signal
- signal transducer
- transducer
- acoustic
- 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 - Fee Related
Links
Classifications
-
- 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
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0651—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of circular shape
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
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)
- Mechanical Engineering (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8808181A FR2633139B1 (fr) | 1988-06-17 | 1988-06-17 | Transducteur de signaux d'emission acoustique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8808181A FR2633139B1 (fr) | 1988-06-17 | 1988-06-17 | Transducteur de signaux d'emission acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2633139A1 FR2633139A1 (fr) | 1989-12-22 |
FR2633139B1 true FR2633139B1 (fr) | 1990-11-16 |
Family
ID=9367439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8808181A Expired - Fee Related FR2633139B1 (fr) | 1988-06-17 | 1988-06-17 | Transducteur de signaux d'emission acoustique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2633139B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10294995A (ja) * | 1997-04-21 | 1998-11-04 | Matsushita Electric Ind Co Ltd | 防滴型超音波送信器 |
DE102018213293A1 (de) * | 2018-08-08 | 2020-02-13 | Robert Bosch Gmbh | Ultraschallwandler mit Resonanzraum |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427481A (en) * | 1965-06-14 | 1969-02-11 | Magnaflux Corp | Ultrasonic transducer with a fluorocarbon damper |
BE789718A (fr) * | 1971-10-08 | 1973-02-01 | Commissariat Energie Atomique | Procede de controle par emission acoustique et appareil autonome de mesure et d'exploitation de cette emission acoustique |
US3950660A (en) * | 1972-11-08 | 1976-04-13 | Automation Industries, Inc. | Ultrasonic contact-type search unit |
US3935484A (en) * | 1974-02-25 | 1976-01-27 | Westinghouse Electric Corporation | Replaceable acoustic transducer assembly |
US4712428A (en) * | 1986-07-21 | 1987-12-15 | Kabushiki Kaisha Komatsu Seisakusho | Ultrasonic flaw detector probe |
-
1988
- 1988-06-17 FR FR8808181A patent/FR2633139B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2633139A1 (fr) | 1989-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR900004130U (ko) | 전기 음향 변환기 | |
DE68914268D1 (de) | Elektroakustischer Wandler. | |
DE69314228D1 (de) | Ultraschallwandleranordnung | |
DE59108268D1 (de) | Ultraschallwandler | |
NO914326L (no) | Akustisk transduser | |
KR890012156A (ko) | 악음신호 발생장치 | |
DE69231456D1 (de) | Ultraschallwandleranordnung | |
DE69020104D1 (de) | Ultraschallwandler. | |
DE59308645D1 (de) | Ultraschallwandler | |
DE3650389D1 (de) | Tonsignalerzeugungsvorrichtung. | |
NO891123D0 (no) | Transduser. | |
NO174270C (no) | Piezoelektrisk transduser | |
FR2639786B1 (fr) | Transducteur flextenseur | |
DE68910325D1 (de) | Tonaufnahmepult. | |
IT1238827B (it) | Trasduttore intracavitale ultrasonoro | |
DE69429213D1 (de) | Ultraschallwandler | |
DE68916674D1 (de) | Ultraschall-Wandlersystem. | |
GB8912782D0 (en) | An acoustic transducer | |
DE69307980D1 (de) | Ultraschallwandler | |
GB9005574D0 (en) | Acoustic transducer | |
FR2636433B1 (fr) | Capteur d'impulsions | |
IT8819101A0 (it) | Dispositivo trasduttore perfezionato. | |
DE59303034D1 (de) | Ultraschallwandler | |
FR2633139B1 (fr) | Transducteur de signaux d'emission acoustique | |
DK59291D0 (da) | Elektrodynamisk transducerkonstruktion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
ER | Errata listed in the french official journal (bopi) |
Free format text: 50/91 |