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1. WO1998034294 - MULTI-DIMENSIONAL BEAMFORMING DEVICE

Publication Number WO/1998/034294
Publication Date 06.08.1998
International Application No. PCT/US1998/002291
International Filing Date 03.02.1998
Chapter 2 Demand Filed 03.08.1998
IPC
G10K 11/34 2006.01
GPHYSICS
10MUSICAL INSTRUMENTS; ACOUSTICS
KSOUND-PRODUCING DEVICES;  METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
11Methods 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
18Methods or devices for transmitting, conducting or directing sound
26Sound-focusing or directing, e.g. scanning
34using electrical steering of transducer arrays, e.g. beam steering
H01Q 3/26 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
H01Q 25/00 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
25Antennas or antenna systems providing at least two radiating patterns
CPC
G01S 15/8927
GPHYSICS
01MEASURING; TESTING
SRADIO 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
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
88Sonar systems specially adapted for specific applications
89for mapping or imaging
8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
8909using a static transducer configuration
8915using a transducer array
8927using simultaneously or sequentially two or more subarrays or subapertures
G01S 7/52085
GPHYSICS
01MEASURING; TESTING
SRADIO 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
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
52of systems according to group G01S15/00
52017particularly adapted to short-range imaging
52085Details related to the ultrasound signal acquisition, e.g. scan sequences
G01S 7/52095
GPHYSICS
01MEASURING; TESTING
SRADIO 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
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
52of systems according to group G01S15/00
52017particularly adapted to short-range imaging
52085Details related to the ultrasound signal acquisition, e.g. scan sequences
52095using multiline receive beamforming
G10K 11/346
GPHYSICS
10MUSICAL INSTRUMENTS; ACOUSTICS
KSOUND-PRODUCING DEVICES
11Methods 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
18Methods or devices for transmitting, conducting, or directing sound
26Sound-focusing or directing, e.g. scanning
34using electrical steering of transducer arrays, e.g. beam steering
341Circuits therefor
346using phase variation
H01Q 25/00
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
25Antennas or antenna systems providing at least two radiating patterns
H01Q 3/26
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
Applicants
  • TERATECH CORPORATION [US]/[US] (AllExceptUS)
  • GILBERT, Jeffrey, M. [US]/[US] (UsOnly)
  • CHIANG, Alice, M. [US]/[US] (UsOnly)
  • BROADSTONE, Steven, R. [US]/[US] (UsOnly)
Inventors
  • GILBERT, Jeffrey, M.
  • CHIANG, Alice, M.
  • BROADSTONE, Steven, R.
Agents
  • HOOVER, Thomas, O.
Priority Data
08/965,66306.11.1997US
60/036,83703.02.1997US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MULTI-DIMENSIONAL BEAMFORMING DEVICE
(FR) DISPOSITIF DE FORMATION DE FAISCEAUX MULTIDIMENSIONNEL
Abstract
(EN)
A multi-dimensional beamforming device that performs consecutive one-dimensional operations. For example, beamsteering for a two-dimensional array can include a projection of a beam onto each of the respective axes of the array. In such a device, a first beamforming processing element is used to form multiple beams for each array output along a given row. In a preferred embodiment, sequential output vectors from the first processing element are then applied to a transposing or corner turning memory and the data are reformatted such that all elements on a given column of the array are applied to a second beam forming processing element.
(FR)
L'invention concerne un dispositif de formation de faisceaux multidimensionnel qui effectue des opérations unidimensionnelles consécutives. Par exemple, le pointage de faisceaux associé à une matrice bidimensionnelle peut comprendre une projection d'un faisceau sur chacun des axes respectifs de la matrice. Dans un tel dispositif, on utilise un premier élément de traitement formant des faisceaux pour former plusieurs faisceaux pour chaque sortie de matrice, le long d'une rangée donnée. Dans un mode de réalisation préféré, on applique les vecteurs de sortie séquentiels provenant du premier élément de traitement, à une mémoire de transposition ou de rotation et on reformate les données, de sorte que tous les éléments d'une colonne donnée de la matrice sont appliqués à un second élément de traitement formant des faisceaux.
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