CH604168A5 - - Google Patents
Info
- Publication number
- CH604168A5 CH604168A5 CH344876A CH844876A CH604168A5 CH 604168 A5 CH604168 A5 CH 604168A5 CH 344876 A CH344876 A CH 344876A CH 844876 A CH844876 A CH 844876A CH 604168 A5 CH604168 A5 CH 604168A5
- Authority
- CH
- Switzerland
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
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
- G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
-
- 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
- G01N29/14—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 using acoustic emission techniques
-
- 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
-
- 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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/592,437 US3965726A (en) | 1975-07-02 | 1975-07-02 | Method and apparatus for the real-time evaluation of welds by emitted stress waves |
| US05/672,825 US4017810A (en) | 1975-07-02 | 1976-04-01 | Voltage controlled oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH604168A5 true CH604168A5 (cs) | 1978-08-31 |
Family
ID=27081452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH344876A CH604168A5 (cs) | 1975-07-02 | 1976-07-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US3965726A (cs) |
| BE (1) | BE843640A (cs) |
| CH (1) | CH604168A5 (cs) |
| DE (1) | DE2629244C3 (cs) |
| FR (1) | FR2316037A1 (cs) |
| NL (1) | NL169228C (cs) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4024522A (en) * | 1976-03-15 | 1977-05-17 | Gard, Inc. | Acoustic emission system for welding flaw detection |
| US4086816A (en) * | 1977-06-22 | 1978-05-02 | Western Electric Co., Inc. | Method and apparatus for distinguishing stress wave emissions from mechanical noise |
| US4086817A (en) * | 1977-07-05 | 1978-05-02 | Western Electric Co., Inc. | Method and apparatus for determining the acceptability of a weld formed by applying repetitive pulses of energy to the weld site |
| US4454585A (en) * | 1981-05-28 | 1984-06-12 | Ele John H | Printed wiring board inspection, work logging and information system |
| DE3333151A1 (de) * | 1983-09-14 | 1985-03-28 | Hahn, Ortwin, Prof.Dr.-Ing., 4790 Paderborn | Schweiss- oder thermische trennvorrichtung mit geraeuschabhaengiger prozessregelung |
| US4696708A (en) * | 1985-11-13 | 1987-09-29 | Amp Incorporated | Ultrasonic welding |
| US5121339A (en) * | 1990-08-16 | 1992-06-09 | General Motors Corporation | Laser weld fault detection system |
| US5153510A (en) * | 1991-03-28 | 1992-10-06 | K And M Electronics, Inc. | High impedance system for measuring voltage |
| ES2118244T3 (es) * | 1992-07-31 | 1998-09-16 | Fraunhofer Ges Forschung | Procedimiento para la evaluacion de procesos de soldadura. |
| US5415181A (en) * | 1993-12-01 | 1995-05-16 | The Johns Hopkins University | AM/FM multi-channel implantable/ingestible biomedical monitoring telemetry system |
| US6253623B1 (en) * | 1998-11-25 | 2001-07-03 | Lucent Technologies Inc. | Method for nondestructively measuring the stress of fabricated semiconductor chips |
| DE102005026625A1 (de) * | 2005-06-09 | 2006-12-14 | Volkswagen Ag | Verfahren zur Qualitätsüberwachung einer Fügenaht |
| US20080041827A1 (en) * | 2006-05-26 | 2008-02-21 | Wei Li | Resistance Spot Welding Monitoring System and Method |
| DE202009014773U1 (de) | 2009-11-02 | 2011-03-24 | Seuthe, Ulrich | Kopplungselement zur akustischen Ankopplung eines Körpers an einen Schallwandler, Vorrichtung zur Erfassung von Schall |
| CN117433666A (zh) * | 2023-10-20 | 2024-01-23 | 江苏省特种设备安全监督检验研究院 | 基于应力检测的压力容器故障预警方法及系统 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824377A (en) * | 1972-05-10 | 1974-07-16 | Trodyne Corp | Acoustic emission spot welding controller |
-
1975
- 1975-07-02 US US05/592,437 patent/US3965726A/en not_active Expired - Lifetime
-
1976
- 1976-04-01 US US05/672,825 patent/US4017810A/en not_active Expired - Lifetime
- 1976-06-30 DE DE2629244A patent/DE2629244C3/de not_active Expired
- 1976-06-30 BE BE168515A patent/BE843640A/xx not_active IP Right Cessation
- 1976-07-01 NL NLAANVRAGE7607278,A patent/NL169228C/xx not_active IP Right Cessation
- 1976-07-01 FR FR7620114A patent/FR2316037A1/fr active Granted
- 1976-07-01 CH CH344876A patent/CH604168A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2629244C3 (de) | 1981-12-24 |
| US3965726A (en) | 1976-06-29 |
| DE2629244A1 (de) | 1977-02-03 |
| NL7607278A (nl) | 1977-01-04 |
| US4017810A (en) | 1977-04-12 |
| NL169228B (nl) | 1982-01-18 |
| FR2316037B1 (cs) | 1980-01-25 |
| NL169228C (nl) | 1982-06-16 |
| BE843640A (fr) | 1976-10-18 |
| DE2629244B2 (de) | 1980-11-20 |
| FR2316037A1 (fr) | 1977-01-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |