JPS567178B2 - - Google Patents

Info

Publication number
JPS567178B2
JPS567178B2 JP4961574A JP4961574A JPS567178B2 JP S567178 B2 JPS567178 B2 JP S567178B2 JP 4961574 A JP4961574 A JP 4961574A JP 4961574 A JP4961574 A JP 4961574A JP S567178 B2 JPS567178 B2 JP S567178B2
Authority
JP
Japan
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
JP4961574A
Other versions
JPS5070083A (ja
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 filed Critical
Publication of JPS5070083A publication Critical patent/JPS5070083A/ja
Publication of JPS567178B2 publication Critical patent/JPS567178B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52033—Gain control of receivers
    • 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
    • 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
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Immunology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (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)
JP4961574A 1973-05-03 1974-05-02 Expired JPS567178B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU319573 1973-05-03

Publications (2)

Publication Number Publication Date
JPS5070083A JPS5070083A (ja) 1975-06-11
JPS567178B2 true JPS567178B2 (ja) 1981-02-16

Family

ID=3693657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4961574A Expired JPS567178B2 (ja) 1973-05-03 1974-05-02

Country Status (6)

Country Link
JP (1) JPS567178B2 (ja)
AT (1) AT359634B (ja)
AU (1) AU6842074A (ja)
CA (1) CA1023044A (ja)
DE (1) DE2421227A1 (ja)
GB (1) GB1468038A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2825091B2 (ja) * 1985-11-18 1998-11-18 株式会社島津製作所 超音波診断装置における超音波吸収係数の周波数依存特性測定方法
JPS62117537A (ja) * 1985-11-18 1987-05-29 株式会社島津製作所 超音波診断装置における超音波吸収量の測定方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518002Y2 (ja) * 1972-01-25 1980-04-25

Also Published As

Publication number Publication date
AU6842074A (en) 1975-10-30
DE2421227A1 (de) 1974-11-21
ATA366174A (de) 1980-04-15
AT359634B (de) 1980-11-25
GB1468038A (en) 1977-03-23
JPS5070083A (ja) 1975-06-11
CA1023044A (en) 1977-12-20

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