SE8101809L - Parametrisk gruppdopplersonarapparat - Google Patents
Parametrisk gruppdopplersonarapparatInfo
- Publication number
- SE8101809L SE8101809L SE8101809A SE8101809A SE8101809L SE 8101809 L SE8101809 L SE 8101809L SE 8101809 A SE8101809 A SE 8101809A SE 8101809 A SE8101809 A SE 8101809A SE 8101809 L SE8101809 L SE 8101809L
- Authority
- SE
- Sweden
- Prior art keywords
- lens
- personal device
- group double
- central portion
- parametric group
- Prior art date
Links
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 |
---|---|
SE8101809L true SE8101809L (sv) | 1981-09-25 |
SE445151B SE445151B (sv) | 1986-06-02 |
Family
ID=22457284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8101809A SE445151B (sv) | 1980-03-24 | 1981-03-23 | Parametrisk gruppdopplersonarapparat |
Country Status (10)
Country | Link |
---|---|
US (1) | US4296482A (sv) |
JP (1) | JPS56158595A (sv) |
CA (1) | CA1150815A (sv) |
DE (1) | DE3111545A1 (sv) |
FR (1) | FR2478823A1 (sv) |
GB (1) | GB2072336B (sv) |
IT (1) | IT1142356B (sv) |
NL (1) | NL8101328A (sv) |
NO (1) | NO155987C (sv) |
SE (1) | SE445151B (sv) |
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 SE SE8101809A patent/SE445151B/sv not_active IP Right Cessation
- 1981-03-23 JP JP4227281A patent/JPS56158595A/ja active Granted
- 1981-03-23 FR FR8105761A patent/FR2478823A1/fr active Granted
- 1981-03-24 DE DE19813111545 patent/DE3111545A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
NO155987C (no) | 1987-07-01 |
IT8148059A0 (it) | 1981-03-19 |
NO155987B (no) | 1987-03-23 |
DE3111545C2 (sv) | 1991-05-16 |
NO810978L (no) | 1981-09-25 |
JPS56158595A (en) | 1981-12-07 |
SE445151B (sv) | 1986-06-02 |
DE3111545A1 (de) | 1982-04-01 |
GB2072336A (en) | 1981-09-30 |
US4296482A (en) | 1981-10-20 |
GB2072336B (en) | 1984-01-25 |
FR2478823A1 (fr) | 1981-09-25 |
IT1142356B (it) | 1986-10-08 |
CA1150815A (en) | 1983-07-26 |
FR2478823B1 (sv) | 1984-06-22 |
NL8101328A (nl) | 1981-10-16 |
JPH0119108B2 (sv) | 1989-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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