SE326390B - - Google Patents
Info
- Publication number
- SE326390B SE326390B SE14092/66A SE1409266A SE326390B SE 326390 B SE326390 B SE 326390B SE 14092/66 A SE14092/66 A SE 14092/66A SE 1409266 A SE1409266 A SE 1409266A SE 326390 B SE326390 B SE 326390B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/242—Circumferential scanning
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US502932A US3370267A (en) | 1965-10-23 | 1965-10-23 | Beam forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE326390B true SE326390B (es) | 1970-07-20 |
Family
ID=24000020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE14092/66A SE326390B (es) | 1965-10-23 | 1966-10-17 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3370267A (es) |
| SE (1) | SE326390B (es) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474446A (en) * | 1968-02-26 | 1969-10-21 | Itt | Cylindrical array antenna system with electronic scanning |
| US3967279A (en) * | 1970-12-07 | 1976-06-29 | The Magnavox Company | Self-phasing array with a time-shared processor |
| DE2163053C3 (de) * | 1971-07-23 | 1979-08-02 | Fried. Krupp Gmbh, 4300 Essen | Schaltanordnung zum Bilden von zeitlich aufeinanderfolgenden Gruppensignalen in der Peiltechnik |
| GB1347309A (en) * | 1971-10-08 | 1974-02-27 | Marconi Co Ltd | Position locating arrangements |
| FR2183568B1 (es) * | 1972-05-10 | 1976-10-29 | Thomson Csf | |
| FR2244180B1 (es) * | 1973-09-17 | 1977-08-19 | France Etat | |
| FR2294590A1 (fr) * | 1974-12-10 | 1976-07-09 | Cit Alcatel | Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire |
| US4001763A (en) * | 1975-02-03 | 1977-01-04 | Raytheon Company | Electronically stabilized beam former system |
| US4014023A (en) * | 1975-05-14 | 1977-03-22 | Raytheon Company | Beam former utilizing geometric sampling |
| JPS522591A (en) * | 1975-06-24 | 1977-01-10 | Toshiba Corp | Supersonic wave emitting and receiving device |
| US4003016A (en) * | 1975-10-06 | 1977-01-11 | The United States Of America As Represented By The Secretary Of The Navy | Digital beamforming system |
| US4166999A (en) * | 1978-04-10 | 1979-09-04 | The United States Of America As Represented By The Secretary Of The Navy | High resolution phase shifter beamformer for a cylindrical array |
| US4233678A (en) * | 1979-03-12 | 1980-11-11 | The United States Of America As Represented By The Secretary Of The Navy | Serial phase shift beamformer using charge transfer devices |
| US4413332A (en) * | 1981-06-24 | 1983-11-01 | The United States Of America As Represented By The Secretary Of The Navy | Scanning beamformer for a very high resolution circular arc sonar |
| US4525816A (en) * | 1981-09-25 | 1985-06-25 | The Marconi Company Limited | Sonar arrangements |
| CA2290240C (en) * | 1999-11-24 | 2008-03-11 | Stergios Stergiopoulos | High resolution 3d ultrasound imaging system deploying a multi-dimensional array of sensors and method for multi-dimensional beamforming sensor signals |
| US20070047742A1 (en) * | 2005-08-26 | 2007-03-01 | Step Communications Corporation, A Nevada Corporation | Method and system for enhancing regional sensitivity noise discrimination |
| US7415372B2 (en) * | 2005-08-26 | 2008-08-19 | Step Communications Corporation | Method and apparatus for improving noise discrimination in multiple sensor pairs |
| US7619563B2 (en) * | 2005-08-26 | 2009-11-17 | Step Communications Corporation | Beam former using phase difference enhancement |
| US20070047743A1 (en) * | 2005-08-26 | 2007-03-01 | Step Communications Corporation, A Nevada Corporation | Method and apparatus for improving noise discrimination using enhanced phase difference value |
| US7472041B2 (en) | 2005-08-26 | 2008-12-30 | Step Communications Corporation | Method and apparatus for accommodating device and/or signal mismatch in a sensor array |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2897351A (en) * | 1953-03-02 | 1959-07-28 | Ben S Melton | Apparatus for testing for the existence of signals in the presence of overriding noise |
| US3039094A (en) * | 1960-07-27 | 1962-06-12 | Univ California | Digital phasing apparatus |
| US3163844A (en) * | 1960-10-03 | 1964-12-29 | Hughes Aircraft Co | Multiple-beam analog beam-forming system for sonar arrays |
-
1965
- 1965-10-23 US US502932A patent/US3370267A/en not_active Expired - Lifetime
-
1966
- 1966-10-17 SE SE14092/66A patent/SE326390B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3370267A (en) | 1968-02-20 |