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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU319573 | 1973-05-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5070083A JPS5070083A (de) | 1975-06-11 |
| JPS567178B2 true JPS567178B2 (de) | 1981-02-16 |
Family
ID=3693657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4961574A Expired JPS567178B2 (de) | 1973-05-03 | 1974-05-02 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS567178B2 (de) |
| AT (1) | AT359634B (de) |
| AU (1) | AU6842074A (de) |
| CA (1) | CA1023044A (de) |
| DE (1) | DE2421227A1 (de) |
| GB (1) | GB1468038A (de) |
Families Citing this family (2)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518002Y2 (de) * | 1972-01-25 | 1980-04-25 |
-
1973
- 1973-05-03 AU AU68420/74A patent/AU6842074A/en not_active Expired
-
1974
- 1974-04-30 CA CA198,572A patent/CA1023044A/en not_active Expired
- 1974-05-02 DE DE19742421227 patent/DE2421227A1/de not_active Ceased
- 1974-05-02 JP JP4961574A patent/JPS567178B2/ja not_active Expired
- 1974-05-02 GB GB1924274A patent/GB1468038A/en not_active Expired
- 1974-05-03 AT AT366174A patent/AT359634B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT359634B (de) | 1980-11-25 |
| CA1023044A (en) | 1977-12-20 |
| ATA366174A (de) | 1980-04-15 |
| JPS5070083A (de) | 1975-06-11 |
| AU6842074A (en) | 1975-10-30 |
| GB1468038A (en) | 1977-03-23 |
| DE2421227A1 (de) | 1974-11-21 |