JPH032535B2 - - Google Patents
Info
- Publication number
- JPH032535B2 JPH032535B2 JP57018544A JP1854482A JPH032535B2 JP H032535 B2 JPH032535 B2 JP H032535B2 JP 57018544 A JP57018544 A JP 57018544A JP 1854482 A JP1854482 A JP 1854482A JP H032535 B2 JPH032535 B2 JP H032535B2
- Authority
- JP
- Japan
- Prior art keywords
- oscillation
- level
- doppler
- transducer
- circuit
- 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
- 230000010355 oscillation Effects 0.000 claims description 41
- 230000007423 decrease Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000035606 childbirth Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 210000002458 fetal heart Anatomy 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1854482A JPS58136336A (ja) | 1982-02-08 | 1982-02-08 | 超音波ｃｗドプラシステム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1854482A JPS58136336A (ja) | 1982-02-08 | 1982-02-08 | 超音波ｃｗドプラシステム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58136336A JPS58136336A (ja) | 1983-08-13 |
| JPH032535B2 true JPH032535B2 (de) | 1991-01-16 |
Family
ID=11974571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1854482A Granted JPS58136336A (ja) | 1982-02-08 | 1982-02-08 | 超音波ｃｗドプラシステム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58136336A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171102U (de) * | 1984-10-18 | 1986-05-15 | ||
| JPS62192713U (de) * | 1986-05-29 | 1987-12-08 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528705A (en) * | 1975-06-30 | 1977-01-22 | Ericsson L M Pty Ltd | Method and system for controlling digital communication systems |
| JPS535430U (de) * | 1976-07-02 | 1978-01-18 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54121683U (de) * | 1978-02-15 | 1979-08-25 |
-
1982
- 1982-02-08 JP JP1854482A patent/JPS58136336A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528705A (en) * | 1975-06-30 | 1977-01-22 | Ericsson L M Pty Ltd | Method and system for controlling digital communication systems |
| JPS535430U (de) * | 1976-07-02 | 1978-01-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58136336A (ja) | 1983-08-13 |
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