FR2356945A1 - Dispositif de mesure par ultrasons - Google Patents
Dispositif de mesure par ultrasonsInfo
- Publication number
- FR2356945A1 FR2356945A1 FR7719827A FR7719827A FR2356945A1 FR 2356945 A1 FR2356945 A1 FR 2356945A1 FR 7719827 A FR7719827 A FR 7719827A FR 7719827 A FR7719827 A FR 7719827A FR 2356945 A1 FR2356945 A1 FR 2356945A1
- Authority
- FR
- France
- Prior art keywords
- conductor
- emission pulse
- measurement device
- ultrasonic measurement
- pulse generator
- 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.)
- Granted
Links
Classifications
-
- 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
- B06B1/0207—Driving circuits
- B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/10—Amplitude; Power
- G01H3/12—Amplitude; Power by electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measuring Volume Flow (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Radar Systems Or Details Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
L'invention concerne un appareil de mesure par ultrasons, comprenant au moins un transducteur à ultrasons servant d'émetteur, relié par un conducteur, à un générateur d'impulsions d'émission délivrant une impulsion d'émission. Une résistance terminale R1, adaptée à l'impédance caractéristique du conducteur 1, 2, est branchée, en série, entre le conducteur 1, 2, et le générateur d'impulsion d'émission SG; celui-ci est shunté, au moyen d'une liaison par conducteur, par un dispositif de commutation D1 qui établit le circuit lorsque se termine l'impulsion d'émission. Application aux appareils de mesure par ultrasons.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2629562A DE2629562C2 (de) | 1976-07-01 | 1976-07-01 | Gerät zur Ultraschallmessung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2356945A1 true FR2356945A1 (fr) | 1978-01-27 |
FR2356945B1 FR2356945B1 (fr) | 1983-03-11 |
Family
ID=5981945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7719827A Granted FR2356945A1 (fr) | 1976-07-01 | 1977-06-28 | Dispositif de mesure par ultrasons |
Country Status (12)
Country | Link |
---|---|
US (1) | US4114457A (fr) |
JP (1) | JPS5848870B2 (fr) |
CA (1) | CA1097789A (fr) |
CH (1) | CH614086A5 (fr) |
DE (1) | DE2629562C2 (fr) |
DK (1) | DK280377A (fr) |
FR (1) | FR2356945A1 (fr) |
GB (1) | GB1582478A (fr) |
IT (1) | IT1083652B (fr) |
NL (1) | NL7707166A (fr) |
NO (1) | NO143645C (fr) |
SE (1) | SE415850B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813729C2 (de) * | 1978-03-30 | 1979-08-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur Anregung von Ultraschallschwingern, die in der Impuls-Echo-Technik eingesetzt werden |
US4229978A (en) * | 1978-10-02 | 1980-10-28 | Dapco Industries, Inc. | System for selectably pulsing ultrasonic transducers in a test apparatus |
DE2948552C2 (de) * | 1979-12-03 | 1982-11-04 | Krautkrämer, GmbH, 5000 Köln | Ultraschall-Prüfkopf |
US4345657A (en) * | 1979-10-04 | 1982-08-24 | Hughes Tool Company | Electronic depth indicator for hydraulic drilling machines |
JPS5928295B2 (ja) * | 1979-12-24 | 1984-07-12 | 株式会社 日立メディコ | 超音波振動子励振用スイツチ回路 |
US4523472A (en) * | 1980-07-02 | 1985-06-18 | Purecycle Corporation | Ultrasonic transceiver circuit |
US4400976A (en) * | 1980-07-02 | 1983-08-30 | Purecycle Corporation | Ultrasonic transceiver circuit for level sensing |
US4566331A (en) * | 1984-04-06 | 1986-01-28 | Indianapolis Center For Advanced Research | Ultrasonic driver and receiver |
JPS6110357U (ja) * | 1984-06-22 | 1986-01-22 | 油谷重工株式会社 | 油圧シヨベルのクレ−ン装置 |
US4560998A (en) * | 1984-07-18 | 1985-12-24 | Tektronix, Inc. | Low voltage transformer coupled ink jet driver |
US5269189A (en) * | 1988-04-13 | 1993-12-14 | Iowa State University Research Foundation, Inc. | Method and means of transmitting and receiving broad-band unipolar, ultrasonic pulses for ultrasonic inspection |
US5303591A (en) * | 1991-05-02 | 1994-04-19 | General Electric Company | Ultrasonic inspection system with improved pulser and receiver circuits |
US5347495A (en) * | 1993-04-30 | 1994-09-13 | Milltronics Ltd. | Matching transformer for ultrasonic transducer |
DE19613311C2 (de) * | 1996-04-03 | 1998-04-09 | Hydrometer Gmbh | Ultraschall-Strömungsmeßgerät für flüssige und/oder gasförmige Medien |
DE102005026200A1 (de) * | 2005-06-07 | 2006-12-21 | Pepperl + Fuchs Gmbh | Detektion und Vorrichtung zur Detektion von Aufzeichnungsträgern |
DE102005051119B3 (de) * | 2005-10-24 | 2007-06-06 | Hydrometer Gmbh | Ultraschalldurchflussmesser mit LC-Spannungserhöhung |
EP1777502A3 (fr) | 2005-10-24 | 2009-05-06 | Hydrometer GmbH | Circuit de commande avec filtrage LC pour transducteurs d'ultrasons |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2416337A (en) * | 1943-06-10 | 1947-02-25 | Bell Telephone Labor Inc | Vibration damping circuit |
US3469211A (en) * | 1967-10-16 | 1969-09-23 | Branson Instr | Oscillatory circuit for electro-acoustic converter with starting means |
US3582733A (en) * | 1968-05-20 | 1971-06-01 | Tappan Co The | Ultrasonic dishwasher |
US3698240A (en) * | 1971-09-29 | 1972-10-17 | Us Army | Electronic circuit for prevention of receiver paralysis in ultrasonic echo ranging |
US3855847A (en) * | 1972-06-20 | 1974-12-24 | Westinghouse Electric Corp | Acoustic emission transducer and monitoring system |
DE2357499C3 (de) * | 1973-11-17 | 1979-03-01 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Ultraschallsender zur Fernbedienung von Rundfunk- und Fernsehempfängern |
US3884325A (en) * | 1974-01-14 | 1975-05-20 | Shell Oil Co | Circuit for energizing piezoelectric crystal and detecting peak amplitude of a reflected signal |
-
1976
- 1976-07-01 DE DE2629562A patent/DE2629562C2/de not_active Expired
-
1977
- 1977-06-09 CH CH710577A patent/CH614086A5/xx not_active IP Right Cessation
- 1977-06-23 US US05/809,172 patent/US4114457A/en not_active Expired - Lifetime
- 1977-06-24 DK DK280377A patent/DK280377A/da not_active Application Discontinuation
- 1977-06-24 NO NO772243A patent/NO143645C/no unknown
- 1977-06-28 IT IT68496/77A patent/IT1083652B/it active
- 1977-06-28 NL NL7707166A patent/NL7707166A/xx not_active Application Discontinuation
- 1977-06-28 FR FR7719827A patent/FR2356945A1/fr active Granted
- 1977-06-29 CA CA281,685A patent/CA1097789A/fr not_active Expired
- 1977-06-30 GB GB27394/77A patent/GB1582478A/en not_active Expired
- 1977-06-30 SE SE7707595A patent/SE415850B/xx unknown
- 1977-07-01 JP JP52078973A patent/JPS5848870B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7707595L (sv) | 1978-01-02 |
FR2356945B1 (fr) | 1983-03-11 |
CA1097789A (fr) | 1981-03-17 |
NO143645B (no) | 1980-12-08 |
JPS5848870B2 (ja) | 1983-10-31 |
NL7707166A (nl) | 1978-01-03 |
SE415850B (sv) | 1980-11-03 |
DK280377A (da) | 1978-01-02 |
IT1083652B (it) | 1985-05-25 |
NO143645C (no) | 1981-03-18 |
GB1582478A (en) | 1981-01-07 |
CH614086A5 (fr) | 1979-10-31 |
JPS535680A (en) | 1978-01-19 |
US4114457A (en) | 1978-09-19 |
DE2629562C2 (de) | 1982-06-24 |
NO772243L (no) | 1978-01-03 |
DE2629562B1 (de) | 1977-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |