JPH0221259B2 - - Google Patents
Info
- Publication number
- JPH0221259B2 JPH0221259B2 JP58143918A JP14391883A JPH0221259B2 JP H0221259 B2 JPH0221259 B2 JP H0221259B2 JP 58143918 A JP58143918 A JP 58143918A JP 14391883 A JP14391883 A JP 14391883A JP H0221259 B2 JPH0221259 B2 JP H0221259B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- subject
- attenuation
- attenuation coefficient
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 11
- 238000012935 Averaging Methods 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 description 15
- 238000013016 damping Methods 0.000 description 9
- 210000001519 tissue Anatomy 0.000 description 7
- 238000002604 ultrasonography Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14391883A JPS6036038A (ja) | 1983-08-08 | 1983-08-08 | 超音波診断装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14391883A JPS6036038A (ja) | 1983-08-08 | 1983-08-08 | 超音波診断装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6036038A JPS6036038A (ja) | 1985-02-25 |
| JPH0221259B2 true JPH0221259B2 (ko) | 1990-05-14 |
Family
ID=15350122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14391883A Granted JPS6036038A (ja) | 1983-08-08 | 1983-08-08 | 超音波診断装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6036038A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225780A (ja) * | 1988-11-14 | 1990-09-07 | Naka Tech Lab | カード錠およびそのカード錠を備えたメールボックス |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055260A (ja) * | 1983-09-06 | 1985-03-30 | Terumo Corp | 超音波測定方法およびその装置 |
| JPS60176629A (ja) * | 1984-02-23 | 1985-09-10 | テルモ株式会社 | 超音波測定装置 |
| JPH02167465A (ja) * | 1988-12-21 | 1990-06-27 | Ngk Insulators Ltd | 超音波探傷検査方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938490A (ko) * | 1972-08-16 | 1974-04-10 | ||
| JPS56147082A (en) * | 1980-04-17 | 1981-11-14 | Yoshinori Hayakawa | Method and device for quantitative ultrasonic inspection using plural frequencies |
-
1983
- 1983-08-08 JP JP14391883A patent/JPS6036038A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938490A (ko) * | 1972-08-16 | 1974-04-10 | ||
| JPS56147082A (en) * | 1980-04-17 | 1981-11-14 | Yoshinori Hayakawa | Method and device for quantitative ultrasonic inspection using plural frequencies |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225780A (ja) * | 1988-11-14 | 1990-09-07 | Naka Tech Lab | カード錠およびそのカード錠を備えたメールボックス |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6036038A (ja) | 1985-02-25 |
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