JPH0119108B2 - - Google Patents
Info
- Publication number
- JPH0119108B2 JPH0119108B2 JP56042272A JP4227281A JPH0119108B2 JP H0119108 B2 JPH0119108 B2 JP H0119108B2 JP 56042272 A JP56042272 A JP 56042272A JP 4227281 A JP4227281 A JP 4227281A JP H0119108 B2 JPH0119108 B2 JP H0119108B2
- Authority
- JP
- Japan
- Prior art keywords
- transducers
- lens
- transducer
- sonar device
- pair
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000005284 excitation Effects 0.000 claims description 8
- 238000003491 array Methods 0.000 claims description 6
- 230000009021 linear effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000010363 phase shift Effects 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009022 nonlinear effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000003643 water by type Substances 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
- G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
-
- 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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
-
- 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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02491—Materials with nonlinear acoustic properties
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Waveguide Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/133,158 US4296482A (en) | 1980-03-24 | 1980-03-24 | Parametric array Doppler sonar apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56158595A JPS56158595A (en) | 1981-12-07 |
| JPH0119108B2 true JPH0119108B2 (en]) | 1989-04-10 |
Family
ID=22457284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4227281A Granted JPS56158595A (en) | 1980-03-24 | 1981-03-23 | Parametric array doppler sonar device |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4296482A (en]) |
| JP (1) | JPS56158595A (en]) |
| CA (1) | CA1150815A (en]) |
| DE (1) | DE3111545A1 (en]) |
| FR (1) | FR2478823A1 (en]) |
| GB (1) | GB2072336B (en]) |
| IT (1) | IT1142356B (en]) |
| NL (1) | NL8101328A (en]) |
| NO (1) | NO155987C (en]) |
| SE (1) | SE445151B (en]) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436815A (en) * | 1981-11-27 | 1984-03-13 | Eli Lilly And Company | Method for stabilizing and selecting recombinant DNA containing host cells |
| US4551826A (en) * | 1982-12-27 | 1985-11-05 | Sperry Corporation | Multiple beam lens transducer with collimator for sonar systems |
| CA1253247A (en) * | 1986-04-03 | 1989-04-25 | Gerald W. Farnell | Ultrasonic image camera using arrays of acoustic waveguides |
| US9717471B2 (en) | 2010-11-23 | 2017-08-01 | Mayo Foundtion For Medical Education And Research | Method and apparatus for multiple-wave doppler velocity meter |
| JP2018013368A (ja) * | 2016-07-20 | 2018-01-25 | 古野電気株式会社 | 水中探知装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3510833A (en) * | 1967-01-09 | 1970-05-05 | Vitro Corp Of America | Frequency conversion imaging system |
| DE1798276B1 (de) * | 1968-09-19 | 1972-04-27 | Krupp Gmbh | Vorrichtung zur bestimmung der geschwindigkeit und/oder des weges von fahrzeugen durch messung des dopplereffektes |
| US3795893A (en) * | 1971-07-06 | 1974-03-05 | Sperry Rand Corp | Doppler speed log |
| US3824531A (en) * | 1973-01-15 | 1974-07-16 | Raytheon Co | Plural beam steering system |
| US3886487A (en) * | 1973-05-31 | 1975-05-27 | Raytheon Corp | Anti-collision sonar system |
| US4063214A (en) * | 1975-12-15 | 1977-12-13 | Sperry Rand Corporation | Lens transducer for use in marine sonar doppler apparatus |
| FR2441180A1 (fr) * | 1978-11-10 | 1980-06-06 | Thomson Csf | Courantometre doppler pour grands fonds |
-
1980
- 1980-03-24 US US06/133,158 patent/US4296482A/en not_active Expired - Lifetime
-
1981
- 1981-03-03 CA CA000372177A patent/CA1150815A/en not_active Expired
- 1981-03-16 GB GB8108120A patent/GB2072336B/en not_active Expired
- 1981-03-18 NL NL8101328A patent/NL8101328A/nl not_active Application Discontinuation
- 1981-03-19 IT IT48059/81A patent/IT1142356B/it active
- 1981-03-23 NO NO810978A patent/NO155987C/no unknown
- 1981-03-23 FR FR8105761A patent/FR2478823A1/fr active Granted
- 1981-03-23 JP JP4227281A patent/JPS56158595A/ja active Granted
- 1981-03-23 SE SE8101809A patent/SE445151B/sv not_active IP Right Cessation
- 1981-03-24 DE DE19813111545 patent/DE3111545A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE8101809L (sv) | 1981-09-25 |
| NO155987C (no) | 1987-07-01 |
| GB2072336A (en) | 1981-09-30 |
| US4296482A (en) | 1981-10-20 |
| IT8148059A0 (it) | 1981-03-19 |
| NO810978L (no) | 1981-09-25 |
| DE3111545C2 (en]) | 1991-05-16 |
| FR2478823A1 (fr) | 1981-09-25 |
| IT1142356B (it) | 1986-10-08 |
| NO155987B (no) | 1987-03-23 |
| JPS56158595A (en) | 1981-12-07 |
| GB2072336B (en) | 1984-01-25 |
| DE3111545A1 (de) | 1982-04-01 |
| FR2478823B1 (en]) | 1984-06-22 |
| SE445151B (sv) | 1986-06-02 |
| NL8101328A (nl) | 1981-10-16 |
| CA1150815A (en) | 1983-07-26 |
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