FR2600774B1 - Dispositif pour barrette lineaire de transducteurs piezoelectriques destine a un echographe ultrasonore a resolution laterale amelioree - Google Patents
Dispositif pour barrette lineaire de transducteurs piezoelectriques destine a un echographe ultrasonore a resolution laterale amelioreeInfo
- Publication number
- FR2600774B1 FR2600774B1 FR8609366A FR8609366A FR2600774B1 FR 2600774 B1 FR2600774 B1 FR 2600774B1 FR 8609366 A FR8609366 A FR 8609366A FR 8609366 A FR8609366 A FR 8609366A FR 2600774 B1 FR2600774 B1 FR 2600774B1
- Authority
- FR
- France
- Prior art keywords
- piezoelectric transducers
- lateral resolution
- linear bar
- improved lateral
- ultrasonic echograph
- 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
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
- 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
-
- 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
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
-
- 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
- G10K11/345—Circuits therefor using energy switching from one active element to another
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8609366A FR2600774B1 (fr) | 1986-06-27 | 1986-06-27 | Dispositif pour barrette lineaire de transducteurs piezoelectriques destine a un echographe ultrasonore a resolution laterale amelioree |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8609366A FR2600774B1 (fr) | 1986-06-27 | 1986-06-27 | Dispositif pour barrette lineaire de transducteurs piezoelectriques destine a un echographe ultrasonore a resolution laterale amelioree |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2600774A1 FR2600774A1 (fr) | 1987-12-31 |
FR2600774B1 true FR2600774B1 (fr) | 1989-05-26 |
Family
ID=9336808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8609366A Expired FR2600774B1 (fr) | 1986-06-27 | 1986-06-27 | Dispositif pour barrette lineaire de transducteurs piezoelectriques destine a un echographe ultrasonore a resolution laterale amelioree |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2600774B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2692999A1 (fr) * | 1992-06-26 | 1993-12-31 | Thomson Csf | Sonde pour échographie et son application à l'échographie. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4241608A (en) * | 1978-01-24 | 1980-12-30 | Unirad Corporation | Ultrasonic scanner |
US4180792A (en) * | 1978-03-09 | 1979-12-25 | General Electric Company | Transmit-receive transducer array and ultrasonic imaging system |
JPS5584157A (en) * | 1978-12-18 | 1980-06-25 | Picker Corp | Automatic aperture control for ultrasonic wave |
GB2048478A (en) * | 1979-03-20 | 1980-12-10 | Gen Electric Co Ltd | Ultrasonic imaging system |
-
1986
- 1986-06-27 FR FR8609366A patent/FR2600774B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2600774A1 (fr) | 1987-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |