CA1090914A - Devices for probing by ultrasonic radiation - Google Patents
Devices for probing by ultrasonic radiationInfo
- Publication number
- CA1090914A CA1090914A CA280,762A CA280762A CA1090914A CA 1090914 A CA1090914 A CA 1090914A CA 280762 A CA280762 A CA 280762A CA 1090914 A CA1090914 A CA 1090914A
- Authority
- CA
- Canada
- Prior art keywords
- transducers
- phase
- positions
- receiver
- focussing
- 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
Links
- 230000005855 radiation Effects 0.000 title description 3
- 238000009826 distribution Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000003384 imaging method Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000001934 delay Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000002592 echocardiography Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000015654 memory Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000005945 translocation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/8918—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7618640 | 1976-06-18 | ||
| FR7618640A FR2355288A2 (fr) | 1974-11-28 | 1976-06-18 | Perfectionnements aux procedes et dispositifs de sondage par ultra-sons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1090914A true CA1090914A (en) | 1980-12-02 |
Family
ID=9174613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA280,762A Expired CA1090914A (en) | 1976-06-18 | 1977-06-17 | Devices for probing by ultrasonic radiation |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS52155890A (enExample) |
| BE (1) | BE855832A (enExample) |
| CA (1) | CA1090914A (enExample) |
| DK (1) | DK270777A (enExample) |
| ES (1) | ES459722A1 (enExample) |
| GB (1) | GB1580235A (enExample) |
| IE (1) | IE45216B1 (enExample) |
| IT (1) | IT1078335B (enExample) |
| LU (1) | LU77569A1 (enExample) |
| SE (1) | SE420774B (enExample) |
-
1977
- 1977-06-13 ES ES459722A patent/ES459722A1/es not_active Expired
- 1977-06-14 IE IE1206/77A patent/IE45216B1/en unknown
- 1977-06-16 GB GB25295/77A patent/GB1580235A/en not_active Expired
- 1977-06-16 SE SE7707022A patent/SE420774B/xx unknown
- 1977-06-17 BE BE178557A patent/BE855832A/xx not_active IP Right Cessation
- 1977-06-17 IT IT24800/77A patent/IT1078335B/it active
- 1977-06-17 LU LU77569A patent/LU77569A1/xx unknown
- 1977-06-17 DK DK270777A patent/DK270777A/da not_active Application Discontinuation
- 1977-06-17 CA CA280,762A patent/CA1090914A/en not_active Expired
- 1977-06-18 JP JP7316877A patent/JPS52155890A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1078335B (it) | 1985-05-08 |
| IE45216B1 (en) | 1982-07-14 |
| GB1580235A (en) | 1980-11-26 |
| JPS52155890A (en) | 1977-12-24 |
| LU77569A1 (enExample) | 1978-02-01 |
| ES459722A1 (es) | 1978-04-01 |
| BE855832A (fr) | 1977-12-19 |
| IE45216L (en) | 1977-12-18 |
| DK270777A (da) | 1977-12-19 |
| SE420774B (sv) | 1981-10-26 |
| SE7707022L (sv) | 1978-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |