DK138863B - Fremgangsmåde og apparat til formindskelse af side-ekkoer ved ultralyd-ekkolodfremgangsmåder. - Google Patents
Fremgangsmåde og apparat til formindskelse af side-ekkoer ved ultralyd-ekkolodfremgangsmåder.Info
- Publication number
- DK138863B DK138863B DK637073AA DK637073A DK138863B DK 138863 B DK138863 B DK 138863B DK 637073A A DK637073A A DK 637073AA DK 637073 A DK637073 A DK 637073A DK 138863 B DK138863 B DK 138863B
- Authority
- DK
- Denmark
- Prior art keywords
- reducing side
- ultrasonic sonar
- echoes
- sonar methods
- side echoes
- Prior art date
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
- G01S7/52046—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
- G10K11/346—Circuits therefor using phase variation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1722272A CH558944A (de) | 1972-11-27 | 1972-11-27 | Verfahren und vorrichtung zur verringerung der seitenmaxima bei ultraschall-echolotverfahren. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK138863B true DK138863B (da) | 1978-11-06 |
| DK138863C DK138863C (US20080293856A1-20081127-C00150.png) | 1979-04-17 |
Family
ID=4423717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK637073AA DK138863B (da) | 1972-11-27 | 1973-11-26 | Fremgangsmåde og apparat til formindskelse af side-ekkoer ved ultralyd-ekkolodfremgangsmåder. |
Country Status (9)
-
1972
- 1972-11-27 CH CH1722272A patent/CH558944A/xx not_active IP Right Cessation
-
1973
- 1973-10-12 DE DE2351352A patent/DE2351352C3/de not_active Expired
- 1973-11-06 DD DD174567A patent/DD109267A5/xx unknown
- 1973-11-19 GB GB5367173A patent/GB1413740A/en not_active Expired
- 1973-11-21 CA CA186,334A patent/CA998161A/en not_active Expired
- 1973-11-22 NL NL7316000.A patent/NL161585C/xx not_active IP Right Cessation
- 1973-11-26 FR FR7341992A patent/FR2208122B1/fr not_active Expired
- 1973-11-26 DK DK637073AA patent/DK138863B/da not_active IP Right Cessation
- 1973-11-27 JP JP13299173A patent/JPS537815B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA998161A (en) | 1976-10-05 |
| GB1413740A (en) | 1975-11-12 |
| DE2351352A1 (de) | 1974-05-30 |
| NL161585C (nl) | 1980-02-15 |
| DD109267A5 (US20080293856A1-20081127-C00150.png) | 1974-10-20 |
| FR2208122B1 (US20080293856A1-20081127-C00150.png) | 1978-03-10 |
| FR2208122A1 (US20080293856A1-20081127-C00150.png) | 1974-06-21 |
| DE2351352C3 (de) | 1978-12-07 |
| CH558944A (de) | 1975-02-14 |
| NL7316000A (US20080293856A1-20081127-C00150.png) | 1974-05-29 |
| DK138863C (US20080293856A1-20081127-C00150.png) | 1979-04-17 |
| JPS537815B2 (US20080293856A1-20081127-C00150.png) | 1978-03-22 |
| DE2351352B2 (de) | 1978-04-13 |
| NL161585B (nl) | 1979-09-17 |
| JPS501767A (US20080293856A1-20081127-C00150.png) | 1975-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |