NO970678D0 - Linear acoustic antenna with apparatus for unambiguous directional determination - Google Patents
Linear acoustic antenna with apparatus for unambiguous directional determinationInfo
- Publication number
- NO970678D0 NO970678D0 NO970678A NO970678A NO970678D0 NO 970678 D0 NO970678 D0 NO 970678D0 NO 970678 A NO970678 A NO 970678A NO 970678 A NO970678 A NO 970678A NO 970678 D0 NO970678 D0 NO 970678D0
- Authority
- NO
- Norway
- Prior art keywords
- linear acoustic
- acoustic antenna
- directional determination
- unambiguous
- unambiguous directional
- 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
- G10K11/34—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
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Multimedia (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9601844A FR2745145B1 (en) | 1996-02-15 | 1996-02-15 | ACOUSTIC LINEAR ANTENNA WITH AMBIGUITY LIFTING DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
NO970678D0 true NO970678D0 (en) | 1997-02-14 |
NO970678L NO970678L (en) | 1997-08-18 |
Family
ID=9489209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO970678A NO970678L (en) | 1996-02-15 | 1997-02-14 | Linear acoustic antenna with apparatus for unambiguous directional determination |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0790506B1 (en) |
AU (1) | AU1472897A (en) |
CA (1) | CA2197703A1 (en) |
DE (1) | DE69705136T2 (en) |
ES (1) | ES2158456T3 (en) |
FR (1) | FR2745145B1 (en) |
NO (1) | NO970678L (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10237761A1 (en) * | 2002-08-17 | 2004-03-04 | Stn Atlas Elektronik Gmbh | Method for estimating the antenna geometry of an acoustic linear antenna |
FR2862439B1 (en) * | 2003-11-17 | 2006-02-10 | Jean Marc Cortambert | LINEAR SUB-ANTENNA CRUCIFORM ANTENNA AND ASSOCIATED TREATMENT |
FR2909457B1 (en) * | 2006-12-01 | 2009-01-23 | Thales Sa | METHOD FOR REMOVING POTENTIAL SOURCES FOR PASSIVE SONAR COMPRISING MULTIPLE LINEAR ANTENNAS |
US20140152503A1 (en) * | 2012-12-03 | 2014-06-05 | Qualcomm Incorporated | Direction of arrival estimation using linear array |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129874A (en) * | 1977-09-19 | 1978-12-12 | The United States Of America As Represented By The Field Operations Bureau Of The Federal Communications Commission | Antenna pattern combiner |
US4187490A (en) * | 1978-08-03 | 1980-02-05 | Sanders Associates, Inc. | Range determining system |
DE3537759A1 (en) * | 1985-10-24 | 1987-04-30 | Krupp Gmbh | Method for eliminating the directional ambiguity of linear antennas |
FR2685848B1 (en) * | 1991-12-26 | 1994-02-25 | Thomson Csf | LINEAR ACOUSTIC ANTENNA. |
-
1996
- 1996-02-15 FR FR9601844A patent/FR2745145B1/en not_active Expired - Fee Related
-
1997
- 1997-01-30 DE DE1997605136 patent/DE69705136T2/en not_active Expired - Lifetime
- 1997-01-30 ES ES97400212T patent/ES2158456T3/en not_active Expired - Lifetime
- 1997-01-30 EP EP19970400212 patent/EP0790506B1/en not_active Expired - Lifetime
- 1997-02-14 NO NO970678A patent/NO970678L/en unknown
- 1997-02-14 AU AU14728/97A patent/AU1472897A/en not_active Abandoned
- 1997-02-14 CA CA 2197703 patent/CA2197703A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2745145A1 (en) | 1997-08-22 |
FR2745145B1 (en) | 1998-06-12 |
CA2197703A1 (en) | 1997-08-16 |
AU1472897A (en) | 1997-08-21 |
ES2158456T3 (en) | 2001-09-01 |
NO970678L (en) | 1997-08-18 |
EP0790506B1 (en) | 2001-06-13 |
EP0790506A1 (en) | 1997-08-20 |
DE69705136T2 (en) | 2002-03-07 |
DE69705136D1 (en) | 2001-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69728278D1 (en) | POSITION DETERMINATION BY SIGNALS FROM SEVERAL BASE STATIONS | |
BR9710426A (en) | DIRECTIVE INSTRUMENT | |
FI102434B1 (en) | Dual frequency antenna | |
DE69719908D1 (en) | antenna device | |
DE69719890D1 (en) | antenna device | |
DE69730782D1 (en) | planar antenna | |
DE69726523D1 (en) | antenna | |
DE69733005D1 (en) | ANTENNA DEVICE | |
EE03715B1 (en) | Antenna system for portable transceiver | |
IL117443A0 (en) | NMR concrete analysis | |
PT883718E (en) | DRAGING APPARATUS | |
BR9700790A (en) | Antenna set | |
DE69735983D1 (en) | antenna device | |
DE69719429T2 (en) | antenna | |
DE69706584D1 (en) | Antenna unit | |
GB2312561B (en) | An antenna apparatus | |
NO970678D0 (en) | Linear acoustic antenna with apparatus for unambiguous directional determination | |
NO20006609D0 (en) | Device for position determination by means of radio waves | |
DE69605061D1 (en) | ANTENNA ARRANGEMENT | |
DE69712769D1 (en) | HIGH FREQUENCY ANTENNA | |
DE69724882D1 (en) | High frequency FET | |
NO964202L (en) | Device by antenna | |
NO980705D0 (en) | Multiple frequency radio | |
ID24905A (en) | EQUIPMENT FOR DETECTING ELECTROMAGNETIC WAVES | |
KR970057119U (en) | Apparatus for Manufacturing Insulated Steel Sheet |