NO761121L - - Google Patents
Info
- Publication number
- NO761121L NO761121L NO761121A NO761121A NO761121L NO 761121 L NO761121 L NO 761121L NO 761121 A NO761121 A NO 761121A NO 761121 A NO761121 A NO 761121A NO 761121 L NO761121 L NO 761121L
- Authority
- NO
- Norway
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
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
- G01V1/364—Seismic filtering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/905—Side lobe reduction or shading
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2516001A DE2516001C2 (de) | 1975-04-12 | 1975-04-12 | Verfahren zur Verbesserung der Richtcharakteristik einer ebenen Echolot- Empfangsbasis und Vorrichtung zum Ausüben dieses Verfahrens |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO761121L true NO761121L (no) | 1976-10-13 |
| NO142053B NO142053B (no) | 1980-03-10 |
| NO142053C NO142053C (no) | 1980-06-25 |
Family
ID=5943683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO761121A NO142053C (no) | 1975-04-12 | 1976-04-01 | Fremgangsmaate til forbedring av retningskarakteristikken i en ekkolodd-mottaksbasis, samt anordning for utfoerelse av fremgangsmaaten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4025894A (no) |
| JP (1) | JPS5843707B2 (no) |
| DE (1) | DE2516001C2 (no) |
| FR (1) | FR2307426A1 (no) |
| GB (1) | GB1496472A (no) |
| NO (1) | NO142053C (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253221A (en) * | 1977-06-17 | 1993-10-12 | The United States Of America As Represented By The Secretary Of The Navy | Null steering device |
| DE3048638A1 (de) * | 1980-12-23 | 1982-08-19 | Fried. Krupp Gmbh, 4300 Essen | Verfahren und vorrichtung zum verbessern des richtempfangs einer wandleranordnung |
| JPS60118805U (ja) * | 1984-01-20 | 1985-08-10 | 南部 紀子 | 集合住宅用採光装置 |
| JPS6223300A (ja) * | 1985-07-23 | 1987-01-31 | Victor Co Of Japan Ltd | 指向性マイクロホン装置 |
| DE4101933A1 (de) * | 1991-01-21 | 1992-07-23 | Schaller Werner | Steuergeraet fuer richtmikrofonsignale zur erzeugung von virtuellen richtcharakteristiken mit einstellbarer hauptempfangsrichtung und einstellbarem buendelungsgrad zur anwendung in der audiotechnik und der akustischen messtechnik |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3170135A (en) * | 1962-01-19 | 1965-02-16 | John J Yagelowich | Phase multiplier transducer array |
| US3277451A (en) * | 1963-11-21 | 1966-10-04 | Edwin J Parssinen | Wide angle broad band hydrophone array |
| FR1465789A (fr) * | 1964-12-28 | 1967-01-13 | Edgerton Germeshausen & Grier | Système récepteur de signaux acoustiques directionnel à large bande |
| US3889227A (en) * | 1972-09-22 | 1975-06-10 | Tokyo Shibaura Electric Co | Ultrasonic wave receiving apparatus |
| US3781782A (en) * | 1972-10-20 | 1973-12-25 | Gen Electric | Directive acoustic array for noise source localization |
| DE2252671A1 (de) * | 1972-10-27 | 1974-05-02 | Fraunhofer Ges Forschung | Einrichtung zur anzeige der richtung einfallender signalwellen (einstandspeiler) |
-
1975
- 1975-04-12 DE DE2516001A patent/DE2516001C2/de not_active Expired
-
1976
- 1976-03-09 US US05/665,165 patent/US4025894A/en not_active Expired - Lifetime
- 1976-04-01 NO NO761121A patent/NO142053C/no unknown
- 1976-04-06 FR FR7609938A patent/FR2307426A1/fr active Granted
- 1976-04-09 GB GB14605/76A patent/GB1496472A/en not_active Expired
- 1976-04-12 JP JP51041171A patent/JPS5843707B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2307426B1 (no) | 1981-05-29 |
| GB1496472A (en) | 1977-12-30 |
| DE2516001A1 (de) | 1976-10-21 |
| JPS51126855A (en) | 1976-11-05 |
| DE2516001C2 (de) | 1983-03-24 |
| FR2307426A1 (fr) | 1976-11-05 |
| JPS5843707B2 (ja) | 1983-09-28 |
| NO142053C (no) | 1980-06-25 |
| NO142053B (no) | 1980-03-10 |
| US4025894A (en) | 1977-05-24 |