DE2134183B2 - - Google Patents

Info

Publication number
DE2134183B2
DE2134183B2 DE2134183A DE2134183A DE2134183B2 DE 2134183 B2 DE2134183 B2 DE 2134183B2 DE 2134183 A DE2134183 A DE 2134183A DE 2134183 A DE2134183 A DE 2134183A DE 2134183 B2 DE2134183 B2 DE 2134183B2
Authority
DE
Germany
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.)
Pending
Application number
DE2134183A
Other languages
German (de)
Other versions
DE2134183A1 (de
Inventor
Henry Le Pecq Donnadieu (Frankreich)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Publication of DE2134183A1 publication Critical patent/DE2134183A1/de
Publication of DE2134183B2 publication Critical patent/DE2134183B2/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • 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
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • 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)
  • Amplifiers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE19712134183 1970-09-02 1971-07-09 Schaltungsanordnung zur Unterdrückung von Erregungsimpulsen am Eingang eines Verstärkers für Echosignale in einem elektroakustischen Sende-Empfangsgerät Pending DE2134183A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7031907A FR2105349A5 (enExample) 1970-09-02 1970-09-02

Publications (2)

Publication Number Publication Date
DE2134183A1 DE2134183A1 (de) 1972-03-09
DE2134183B2 true DE2134183B2 (enExample) 1975-04-30

Family

ID=9060815

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712134183 Pending DE2134183A1 (de) 1970-09-02 1971-07-09 Schaltungsanordnung zur Unterdrückung von Erregungsimpulsen am Eingang eines Verstärkers für Echosignale in einem elektroakustischen Sende-Empfangsgerät

Country Status (5)

Country Link
US (1) US3738159A (enExample)
CA (1) CA943232A (enExample)
DE (1) DE2134183A1 (enExample)
FR (1) FR2105349A5 (enExample)
GB (1) GB1356184A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050055A (en) * 1976-07-26 1977-09-20 Krautkramer-Branson, Incorporated Attenuator circuit ultrasonic testing
US4364274A (en) * 1980-10-20 1982-12-21 Automation Industries, Inc. Ultrasonic inspection with back echo monitoring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549895A (en) * 1946-10-04 1951-04-24 Sperry Prod Inc Electronic switching device
US3245251A (en) * 1962-03-02 1966-04-12 Transformatoren & Roentgenwerk Ultrasonic diagnostic testing apparatus
US3285059A (en) * 1965-10-21 1966-11-15 American Mach & Foundry Ultrasonic testing apparatus

Also Published As

Publication number Publication date
GB1356184A (en) 1974-06-12
CA943232A (en) 1974-03-05
DE2134183A1 (de) 1972-03-09
US3738159A (en) 1973-06-12
FR2105349A5 (enExample) 1972-04-28

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