FR2498320B1 - - Google Patents
Info
- Publication number
- FR2498320B1 FR2498320B1 FR8100776A FR8100776A FR2498320B1 FR 2498320 B1 FR2498320 B1 FR 2498320B1 FR 8100776 A FR8100776 A FR 8100776A FR 8100776 A FR8100776 A FR 8100776A FR 2498320 B1 FR2498320 B1 FR 2498320B1
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100776A FR2498320A1 (fr) | 1981-01-16 | 1981-01-16 | Procede de detection de source acoustique et appareil de controle par emission acoustique |
DE8181402081T DE3173039D1 (en) | 1981-01-16 | 1981-12-28 | Procedure for the detection of acoustic sources and apparatus for surveillance by acoustic emissions |
EP81402081A EP0056553B1 (fr) | 1981-01-16 | 1981-12-28 | Procédé de détection de source acoustique, et appareil de contrôle par émission acoustique |
ZA82113A ZA82113B (en) | 1981-01-16 | 1982-01-08 | A process for detecting an acoustic source and an acoustic emission monitoring apparatus |
CA000394000A CA1194977A (en) | 1981-01-16 | 1982-01-12 | Process for detecting an acoustic source and an acoustic emission monitoring apparatus |
YU00073/82A YU7382A (en) | 1981-01-16 | 1982-01-13 | Arrangement for controlling by means of acoustic emission |
JP57004753A JPS57172219A (en) | 1981-01-16 | 1982-01-14 | Detection method of sound generating source and monitoring apparatus for sound generation |
ES508766A ES508766A0 (es) | 1981-01-16 | 1982-01-15 | Procedimiento de deteccion de una fuente acustica en una estructura industrial, y aparato correspondiente. |
KR1019820000192A KR830009868A (ko) | 1981-01-16 | 1982-01-16 | 음원(音原) 검출처리공정 및 음향방출 모니터링(monitoring) 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100776A FR2498320A1 (fr) | 1981-01-16 | 1981-01-16 | Procede de detection de source acoustique et appareil de controle par emission acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2498320A1 FR2498320A1 (fr) | 1982-07-23 |
FR2498320B1 true FR2498320B1 (US20100170793A1-20100708-C00006.png) | 1983-12-09 |
Family
ID=9254232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8100776A Granted FR2498320A1 (fr) | 1981-01-16 | 1981-01-16 | Procede de detection de source acoustique et appareil de controle par emission acoustique |
Country Status (9)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH065272B2 (ja) * | 1984-03-02 | 1994-01-19 | 株式会社東芝 | 信号発生源探査方法 |
FI93496C (fi) * | 1987-01-31 | 1995-04-10 | Siemens Ag | Menetelmä iskukohtien paikantamiseksi jähmeässä kappaleessa etenevää ääntä käyttävän valvontajärjestelmän avulla, erityisesti voimalaitosten painetta johtavissa suljetuissa osissa |
WO2022118060A1 (en) * | 2020-12-04 | 2022-06-09 | 10855561 Canada Inc. | Device, system and method of monitoring a steam trap and detecting a steam trap failure |
CN113884985A (zh) * | 2021-10-09 | 2022-01-04 | 中国人民解放军96901部队26分队 | 次声探测站探测能力评估方法、系统及设备 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2164031A5 (en) * | 1971-12-10 | 1973-07-27 | Commissariat Energie Atomique | Locating device - for source of strain waves eg in stressed pressure vessels |
FR2262303A1 (en) * | 1974-02-22 | 1975-09-19 | Commissariat Energie Atomique | Position detector for source of strain waves - employs piezoelectric transducer network with counter and computer |
-
1981
- 1981-01-16 FR FR8100776A patent/FR2498320A1/fr active Granted
- 1981-12-28 DE DE8181402081T patent/DE3173039D1/de not_active Expired
- 1981-12-28 EP EP81402081A patent/EP0056553B1/fr not_active Expired
-
1982
- 1982-01-08 ZA ZA82113A patent/ZA82113B/xx unknown
- 1982-01-12 CA CA000394000A patent/CA1194977A/en not_active Expired
- 1982-01-13 YU YU00073/82A patent/YU7382A/xx unknown
- 1982-01-14 JP JP57004753A patent/JPS57172219A/ja active Pending
- 1982-01-15 ES ES508766A patent/ES508766A0/es active Granted
- 1982-01-16 KR KR1019820000192A patent/KR830009868A/ko unknown
Also Published As
Publication number | Publication date |
---|---|
ES8305926A1 (es) | 1983-04-16 |
FR2498320A1 (fr) | 1982-07-23 |
CA1194977A (en) | 1985-10-08 |
EP0056553A1 (fr) | 1982-07-28 |
KR830009868A (ko) | 1983-12-23 |
DE3173039D1 (en) | 1986-01-02 |
ZA82113B (en) | 1982-12-29 |
JPS57172219A (en) | 1982-10-23 |
EP0056553B1 (fr) | 1985-11-21 |
YU7382A (en) | 1985-10-31 |
ES508766A0 (es) | 1983-04-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |