ATE16641T1 - Vorrichtung zur resonanzpruefung. - Google Patents
Vorrichtung zur resonanzpruefung.Info
- Publication number
- ATE16641T1 ATE16641T1 AT82400096T AT82400096T ATE16641T1 AT E16641 T1 ATE16641 T1 AT E16641T1 AT 82400096 T AT82400096 T AT 82400096T AT 82400096 T AT82400096 T AT 82400096T AT E16641 T1 ATE16641 T1 AT E16641T1
- Authority
- AT
- Austria
- Prior art keywords
- level
- signal
- picked
- detector
- counting means
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
-
- 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
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Acoustics & Sound (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100937A FR2498330A1 (fr) | 1981-01-20 | 1981-01-20 | Appareil de controle de resonance |
EP82400096A EP0056772B1 (de) | 1981-01-20 | 1982-01-19 | Vorrichtung zur Resonanzprüfung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE16641T1 true ATE16641T1 (de) | 1985-12-15 |
Family
ID=9254306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT82400096T ATE16641T1 (de) | 1981-01-20 | 1982-01-19 | Vorrichtung zur resonanzpruefung. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0056772B1 (de) |
AT (1) | ATE16641T1 (de) |
DE (1) | DE3267478D1 (de) |
FR (1) | FR2498330A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2144853B (en) * | 1983-08-10 | 1987-01-14 | Rolls Royce | Component inspection by self generated transient stress wave detection |
GB2173310A (en) * | 1985-04-03 | 1986-10-08 | Univ Strathclyde | Testing of underwater structures by their vibration characteristic |
FR2592481B1 (fr) * | 1985-12-27 | 1988-02-12 | Jacob Michel | Appareil de controle de defauts, notamment dans les pieces de fonderie, et procede de mise en oeuvre de cet appareil. |
GB2200778B (en) * | 1987-02-04 | 1991-01-02 | Gen Electric Plc | Object identification |
DE3943133A1 (de) * | 1989-12-28 | 1991-07-18 | Zeuna Staerker Kg | Verfahren zur akustischen pruefung von monolithen auf beschaedigung und vorrichtung zur durchfuehrung des verfahrens |
DE59404929D1 (de) * | 1993-07-24 | 1998-02-12 | Erlus Baustoffwerke | Verfahren und Einrichtung zur Qualitätsprüfung von Bauteilen mittels Klangmessung, insbesondere von Keramikartikeln |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1250596A (de) * | 1969-02-25 | 1971-10-20 | ||
FR2356915A1 (fr) * | 1976-06-29 | 1978-01-27 | Lignes Telegraph Telephon | Procede de mesure de la frequence de resonance d'un resonateur mecanique a forte surtension |
-
1981
- 1981-01-20 FR FR8100937A patent/FR2498330A1/fr active Granted
-
1982
- 1982-01-19 DE DE8282400096T patent/DE3267478D1/de not_active Expired
- 1982-01-19 AT AT82400096T patent/ATE16641T1/de not_active IP Right Cessation
- 1982-01-19 EP EP82400096A patent/EP0056772B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2498330B1 (de) | 1984-07-27 |
EP0056772B1 (de) | 1985-11-21 |
FR2498330A1 (fr) | 1982-07-23 |
EP0056772A1 (de) | 1982-07-28 |
DE3267478D1 (en) | 1986-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE176052T1 (de) | Verfahren und vorrichtung zur drehzahlerfassung | |
ATE16641T1 (de) | Vorrichtung zur resonanzpruefung. | |
US4386526A (en) | Method for quality control of processes and construction components | |
CA1261920A (fr) | Ensemble electronique de detection des variations fugitives d'une tension electrique en fonction du temps | |
US4825146A (en) | Unthreshed head grain loss monitor | |
ATE131300T1 (de) | Vorrichtung und verfahren zum erlangen der mechanische eigenschaften von münzen. | |
JPS6468647A (en) | Method and apparatus for obtaining magnetic resonance signal | |
JPS6480858A (en) | Method and device for detecting crack detection | |
FR2406830A1 (fr) | Procede et appareil de mesure pour la determination des caracteristiques electroacoustiques des bandes magnetiques | |
JPS5580013A (en) | Signal measuring device | |
ES2041018T3 (es) | Procedimiento de medida de la amplitud de la parte plana en una senal sonorizada, y aparato de medida automatico para la realizacion de dicho procedimiento. | |
JPS5764126A (en) | Oscillation detecting apparatus | |
JPS5672317A (en) | Detector for knocking oscillation | |
JPS5948655A (ja) | 鋳鉄製品の材質検査方法及び装置 | |
RU2006806C1 (ru) | Способ контроля герметичности изделий | |
SU819709A2 (ru) | Акустический способ дефектоскопии | |
KR940006063A (ko) | 금속성 물체의 검출 및 분석 처리방법 | |
Shaw et al. | High Intensity Sound as a Repellant for Mallard Ducks and Other Water Fowl | |
SU894372A1 (ru) | Измеритель скорости распространени трещины в металле | |
JPS5460935A (en) | Detector of residual quantity of toner | |
Holmer et al. | Ultrasonic recording of the fundamental frequency of a voice during normal speech | |
JPS5624549A (en) | Automatically detecting method of breaking of strand in fatigue test of steel wire of the like | |
SU366402A1 (ru) | Способ определения активной и реактивной | |
JPH06123614A (ja) | 電磁波による被測定物測定装置 | |
JPS5591136A (en) | Screening of semiconductor element |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |