BR8108285A - Dispositivo de exame ultrassonico - Google Patents

Dispositivo de exame ultrassonico

Info

Publication number
BR8108285A
BR8108285A BR8108285A BR8108285A BR8108285A BR 8108285 A BR8108285 A BR 8108285A BR 8108285 A BR8108285 A BR 8108285A BR 8108285 A BR8108285 A BR 8108285A BR 8108285 A BR8108285 A BR 8108285A
Authority
BR
Brazil
Prior art keywords
examination device
ultrasonic examination
ultrasonic
examination
Prior art date
Application number
BR8108285A
Other languages
English (en)
Inventor
Roger Henri Coursant
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BR8108285A publication Critical patent/BR8108285A/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/36Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/36Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4463Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023Details of receivers
    • G01S7/52025Details of receivers for pulse systems
    • G01S7/52026Extracting wanted echo signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BR8108285A 1980-12-22 1981-12-21 Dispositivo de exame ultrassonico BR8108285A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8027202A FR2496919A1 (fr) 1980-12-22 1980-12-22 Appareil d'examen de milieux par methode ultrasonore

Publications (1)

Publication Number Publication Date
BR8108285A true BR8108285A (pt) 1982-10-05

Family

ID=9249351

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8108285A BR8108285A (pt) 1980-12-22 1981-12-21 Dispositivo de exame ultrassonico

Country Status (11)

Country Link
US (1) US4446739A (pt)
JP (1) JPS57132056A (pt)
AU (1) AU546958B2 (pt)
BE (1) BE891559A (pt)
BR (1) BR8108285A (pt)
CA (1) CA1178707A (pt)
DE (1) DE3149317A1 (pt)
ES (1) ES8301365A1 (pt)
FR (1) FR2496919A1 (pt)
GB (1) GB2091877B (pt)
IL (1) IL64585A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4582677A (en) * 1980-09-22 1986-04-15 Kabushiki Kaisha Kobe Seiko Sho Method for producing honeycomb-shaped metal moldings
US5957851A (en) * 1996-06-10 1999-09-28 Acuson Corporation Extended bandwidth ultrasonic transducer
DE19735101A1 (de) 1997-08-13 1999-02-18 Krautkraemer Gmbh Prüfkopf für die Ultraschallprüfung nach dem Impuls-Echo-Verfahren
US6416478B1 (en) 1998-05-05 2002-07-09 Acuson Corporation Extended bandwidth ultrasonic transducer and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715143A (en) * 1951-12-13 1954-09-08 Kelvin & Hughes Ltd Improvements in and relating to the non-destructive testing of solid bodies using mechanical vibrations
US3889166A (en) * 1974-01-15 1975-06-10 Quintron Inc Automatic frequency control for a sandwich transducer using voltage feedback
FR2288367A1 (fr) * 1974-10-17 1976-05-14 Oki Electric Ind Co Ltd Generateur d'onde ultra-sonore
JPS535661A (en) * 1976-07-03 1978-01-19 Nippon Soken Ultrasonic transmitting*receiving device
US4096756A (en) * 1977-07-05 1978-06-27 Rca Corporation Variable acoustic wave energy transfer-characteristic control device
DE2914031C2 (de) * 1979-04-06 1981-01-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultraschallwandler
NL7904924A (nl) * 1979-06-25 1980-12-30 Philips Nv Akoestische transducent.
FR2460489A1 (fr) * 1979-07-04 1981-01-23 Labo Electronique Physique Circuit de traitement des signaux de reception d'une mosaique de transducteur ultra-sonore utilisee en echographie de type b

Also Published As

Publication number Publication date
FR2496919B1 (pt) 1984-10-19
DE3149317C2 (pt) 1990-08-02
GB2091877A (en) 1982-08-04
DE3149317A1 (de) 1982-07-22
AU546958B2 (en) 1985-09-26
CA1178707A (en) 1984-11-27
JPH0239741B2 (pt) 1990-09-06
GB2091877B (en) 1984-07-18
IL64585A (en) 1985-09-29
BE891559A (fr) 1982-06-21
ES508116A0 (es) 1982-11-16
ES8301365A1 (es) 1982-11-16
AU7864681A (en) 1982-07-01
FR2496919A1 (fr) 1982-06-25
US4446739A (en) 1984-05-08
IL64585A0 (en) 1982-03-31
JPS57132056A (en) 1982-08-16

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