CA955323A - Ultrasonic pattern detector - Google Patents

Ultrasonic pattern detector

Info

Publication number
CA955323A
CA955323A CA132,909A CA132909A CA955323A CA 955323 A CA955323 A CA 955323A CA 132909 A CA132909 A CA 132909A CA 955323 A CA955323 A CA 955323A
Authority
CA
Canada
Prior art keywords
pattern detector
ultrasonic pattern
ultrasonic
detector
pattern
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.)
Expired
Application number
CA132,909A
Other languages
English (en)
Other versions
CA132909S (en
Inventor
Dieter Bonnet
Helmut Rabenhorst
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of CA955323A publication Critical patent/CA955323A/en
Expired legal-status Critical Current

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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2437—Piezoelectric probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • 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
    • G01H3/125—Amplitude; Power by electric means for representing acoustic field distribution
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/495—Pick-up tubes adapted for an input of sonic, ultrasonic, or mechanical vibrations and having an electric output

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Immunology (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (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)
CA132,909A 1971-02-17 1972-01-21 Ultrasonic pattern detector Expired CA955323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712107555 DE2107555B2 (de) 1971-02-17 1971-02-17 Ultraschallbildaufnahmeanordnung

Publications (1)

Publication Number Publication Date
CA955323A true CA955323A (en) 1974-09-24

Family

ID=5799035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA132,909A Expired CA955323A (en) 1971-02-17 1972-01-21 Ultrasonic pattern detector

Country Status (9)

Country Link
US (1) US3818426A (enrdf_load_stackoverflow)
CA (1) CA955323A (enrdf_load_stackoverflow)
CH (1) CH545984A (enrdf_load_stackoverflow)
DD (1) DD99695A5 (enrdf_load_stackoverflow)
DE (1) DE2107555B2 (enrdf_load_stackoverflow)
GB (1) GB1323618A (enrdf_load_stackoverflow)
IL (1) IL38529A (enrdf_load_stackoverflow)
NL (1) NL7200651A (enrdf_load_stackoverflow)
SE (1) SE367115B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089927A (en) * 1975-09-26 1978-05-16 Minnesota Mining And Manufacturing Company Strain sensor employing bi layer piezoelectric polymer
US4141021A (en) * 1977-02-14 1979-02-20 Varian Associates, Inc. Field effect transistor having source and gate electrodes on opposite faces of active layer
DE3010210A1 (de) * 1980-03-17 1981-09-24 Siemens AG, 1000 Berlin und 8000 München Ultraschall-array
US4378510A (en) * 1980-07-17 1983-03-29 Motorola Inc. Miniaturized accelerometer with piezoelectric FET
JPS58197775A (ja) * 1982-05-13 1983-11-17 Canon Inc 薄膜トランジスタ
DE3331601C2 (de) * 1982-09-02 1987-04-30 Canon K.K., Tokio/Tokyo Halbleiterbauelement
US4767973A (en) * 1987-07-06 1988-08-30 Sarcos Incorporated Systems and methods for sensing position and movement
DE10225201A1 (de) * 2002-06-06 2003-12-18 Epcos Ag Abstimmbares Filter und Verfahren zur Frequenzabstimmung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325777A (en) * 1964-08-26 1967-06-13 Litton Prec Products Inc Image forming apparatus
DE1277374B (de) * 1964-09-30 1968-09-12 Hitachi Ltd Mechanisch-elektrischer Wandler
US3475551A (en) * 1966-11-29 1969-10-28 Lockheed Aircraft Corp Solid state acoustic image converter
US3675472A (en) * 1968-12-12 1972-07-11 Nat Res Dev Apparatus and method for images of the interior structure of solid objects
GB1244551A (en) * 1969-02-28 1971-09-02 British Aircraft Corp Ltd Improvements relating to acoustic detector arrays

Also Published As

Publication number Publication date
IL38529A0 (en) 1972-03-28
DE2107555B2 (de) 1972-08-31
NL7200651A (enrdf_load_stackoverflow) 1972-08-21
SE367115B (enrdf_load_stackoverflow) 1974-05-13
GB1323618A (en) 1973-07-18
US3818426A (en) 1974-06-18
DD99695A5 (enrdf_load_stackoverflow) 1973-08-12
IL38529A (en) 1975-03-13
DE2107555A1 (enrdf_load_stackoverflow) 1972-08-31
CH545984A (enrdf_load_stackoverflow) 1974-02-15

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