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Match Document Document Title
8988970 Method and system for dereverberation of signals propagating in reverberative environments  
The dereverberation of signals in reverberating environments is carried out via acquiring the representation (image) of spatial distribution of the signals in space of interest and automatic...
8968205 Sub-aperture control in high intensity focused ultrasound  
Sub-aperture control is provided for high intensity focused ultrasound. Test transmissions are made sequentially from different sub-apertures. The tissue response at the focal regions is...
8964507 Systems and methods implementing frequency-steered acoustic arrays for 2D and 3D imaging  
Acoustic arrays transmitting and/or receiving multiple, angularly dispersed acoustic beams are used to generate 2D and 3D images. The acoustic arrays may comprise frequency-steered acoustic arrays...
RE45379 Frequency division beamforming for sonar arrays  
A sonar array for forming multiple transmit and/or receive acoustic beams by a frequency beamforming technique. In frequency division beamforming, beam steering direction is made a function of...
8942065 Method and device for determining the position of an object in relation to a vehicle, in particular a motor vehicle, for use in a driver assistance system of the vehicle  
In a method and a device for determining the position of an object in relation to a vehicle, for use in a driver assistance system of the vehicle, a first ultrasound pulse is transmitted by an...
8879359 Sonar navigation system and method  
A method for pre-determining an underwater objects GPS position using a rotatable scan sonar unit linked to a boat, magnetic compass and GPS receiver. This system determines the underwater objects...
8834369 Receive beamformer for ultrasound  
A method of ultrasound receive beamforming includes receiving a first plurality of sensing signals from target tissue, forming a first plurality of digital sensing signals, and data processing the...
8811120 Systems and methods implementing frequency-steered acoustic arrays for 2D and 3D imaging  
Frequency-steered acoustic arrays transmitting and/or receiving multiple, angularly dispersed acoustic beams are used to generate 2D and 3D images. Input pulses to the arrays are generally...
8787560 Method for determining a set of filter coefficients for an acoustic echo compensator  
The invention provides a method for determining a set of filter coefficients for an acoustic echo compensator in a beamformer arrangement. The acoustic echo compensator compensates for echoes...
8532822 System and method for determining the location of a machine  
A system is employed for defining a position (location) of a receiving element inside an area surrounded by a wire loop, along the perimeter (a perimeter wire loop), of a work area or other...
8390181 Electronic array probe for ultrasonic imaging  
An electronic array probe for ultrasonic imaging includes an array of transmitting and/or receiving electroacoustic transducers arranged in concentric bands in which the transducers are tangent to...
8320216 Active sonar system and active sonar method using fuzzy logic  
A computer-implemented method of sonar processing includes identifying, with a processor, a detection having a detection probability value, the detection in a selected beam, wherein the detection...
8213740 Coherent image correlation  
Systems and methods for coherent image correlation are provided. The systems include sonars with overlapping frequencies that observe terrain from overlapping aspects to form sonar images. First...
8077548 Multibeam sounder  
The sounder according to the invention comprises two transmit-receive antennas (1, 10) whose respective axes are off-target toward the front, in the direction of movement of the platform, these...
8046103 System and method for determining the location of a machine  
A system is employed for defining a position (location) of a receiving element inside an area surrounded by a wire loop, along the perimeter (a perimeter wire loop), of a work area or other...
7924171 Parking assist apparatus and method  
A parking assisting apparatus and method that can precisely estimate the orientation of a parking space. A parking assisting apparatus for assisting parking a vehicle includes an obstacle...
7894303 Detection device, detection program and detection method  
An object is detected without being constrained by the positional relationship between the object and the detecting position. A detection device includes a pseudo sound source and a monitoring...
7889600 Sonar systems  
A vessel-mountable integrated sonar system is provided. The vessel-mountable integrated sonar system comprises at least one imaging sonar data acquisition device and at least one processing system...
7833158 Methods and apparatus for beamforming applications  
A beamforming system includes an array of transducers that detects echo signals in a scanned region. The array of transducers produces respective electronic signals based on receipt of echo...
7817805 System and method for steering the directional response of a microphone to a moving acoustic source  
A system and method are provided for automatically tracking the movements of an acoustic source relative to two or more microphones possibly mounted in a portable device. The microphones are...
7760891 Focused hypersonic communication  
This invention provides methods and apparatus for focusing a hypersonic beam to control both a direction and depth of audible information delivery. Signals that are delivered to each of a...
7746220 Moving object detection apparatus  
A moving object detection apparatus comprises a transmitter, a receiver, a detection portion, a binary conversion portion and a judgment portion. The transmitter emits energy waves with a first...
7731661 Method for imaging the mechanical properties of tissue  
An imaging system comprises a device to excite mechanical waves in elastic tissue, a device for measuring the resulting tissue motion at a plurality of locations interior to the tissue at a number...
7729203 Side scan sonar imaging system with associated GPS data  
A system for use with a boat to provide underwater sonar images includes a GPS receiver for providing GPS position data, a left side scan sonar transducer for transmitting left side scan sonar...
7678048 Medical diagnostic ultrasound system and method  
A medical diagnostic ultrasound system comprises several subsystems, such as a transmit beamformer, a receive beamformer, a B-mode processor, a Doppler processor and a scan converter. These...
7635332 System and method of operating microfabricated ultrasonic transducers for harmonic imaging  
A capacitive microfabricated ultrasonic transducer (cMUT) is operated to improve its performance during harmonic imaging in non-linear media, such as in contrast agents or in human tissue. The...
7508737 Ultrasound receive beamformer  
In an ultrasound receive beamformer signals from two or more aperture elements are multiplexed at the input of each beamformer channel, stored in different portions of a delay memory, delayed and...
7502278 Analog beamformers for continuous wave ultrasonic receivers  
Analog beamformers for continuous wave ultrasonic receivers, typically realized in integrated circuit form and using a direct quadrature baseband conversion architecture for CW Doppler to...
7463553 Underwater detection device  
In an under water detection for detecting the phase difference of an echo by two reception beams according to a split beam method, the difference Δθ between the phase difference of an echo...
RE40456 Acoustic wave imaging apparatus and method  
An acoustic imaging apparatus and method that achieves desired delays with coded signals. Linear, curved linear and sector scanning is provided in 1-D arrays and planar, curved planar and sector...
7289389 Resolving directional information in sonar arrays  
The invention concerns the resolution of directional information in sonar arrays. In particular it concerns a method for resolving such directional information, which may be useful in hydrographic...
7289390 Ultrasonic transmitting/receiving apparatus and scanning sonar employing same  
An ultrasonic apparatus is disclosed that includes a transducer having a plurality of transducer elements, a controller operatively connected to the transducer and driving the transducer elements...
7248962 System for influencing the speed of a motor vehicle  
System for evaluating the traffic environment of a motor vehicle and for influencing the speed of the motor vehicle in its own traffic lane, comprising an electronic control unit, which is...
7239263 Platform shake compensation method in synthetic aperture processing system  
The present information comprises the stages of: applying frequency analysis to positional information on a platform, generating virtual positional information on the platform based on a frequency...
7187320 Matched maneuver detector  
A target tracking arrangement predicts the state of a target. The predictor may be a Kalman filter. In the presence of a target which is maneuvering, the prediction may be in error. A maneuver...
7173879 High resolution obstacle avoidance and bottom mapping array processing technique  
A processing technique to apply high resolution, non-Fourier based beamformers to practical active sonar system implementations.
7151714 Apparatus for measuring the instantaneous distance between the stern of a vessel and a fixed structure such as quay, a jetty or a landing stage  
The apparatus includes transmitter-receiver units (10, 20) for emitting acoustic signals in the form of beams (F1, F2) directed rearwardly of the stern and for receiving acoustic signals reflected...
7123546 Processing technique for forward looking sonar  
A processing technique and transducer field of view architecture for use as part of an imaging sonar system to develop three-dimensional images of the space below, to the sides, and forward of a ship.
7109918 Nonlinear beam forming and beam shaping aperture system  
This invention exploits the synchronization properties of coupled, nonlinear oscillators arrays to perform power combining, beam steering, and beam shaping. This architecture utilizes interactions...
7046582 Method and system for synthetic aperture sonar  
A method and system for synthetic aperture sonar provide improved position estimates of a receive array as in moves through a body of water.
6999378 Parallel GCS structure for adaptive beamforming under equalization constraints  
A parallel GSC structure is provided by which an adaptive process is performed by a plurality of beamformers in parallel in such a way that they present a common response to the equalization...
6926671 Ultrasonic imaging apparatus and method  
An ultrasonic imaging apparatus and method combines dynamically focused reception and coded transmission/reception technologies by inexpensive circuitry. A receive aperture is divided into smaller...
6901802 Acoustic sensors using microstructures tunable with energy other than acoustic energy  
A sensor for detecting acoustic energy includes a microstructure tuned to a predetermined acoustic frequency and a device for detecting movement of the microstructure. A display device is...
6870793 Automatically tracking scanning sonar  
An automatically tracking scanning sonar alternately performs horizontal scanning and vertical scanning and a target lock processor calculates a predicted position of a target based on an echo...
6868043 Beam broadening with maximum power in array transducers  
A system and method to provide maximum power over large angular sectors using an array of transducers is disclosed. Array segments of transducers and phase shifters form a beam from each of the...
6868042 Data-based signal definition for frequency domain adaptive beamforming algorithms  
A data-based technique is disclosed that defines the amplitude and phase of acoustic signals for detection as they propagate across an array of sensor elements for each array incident angle of...
6856577 Method and apparatus for forming a reception beam  
A receiving beam is formed using 60 elements arranged in a 90° sector area of a cylindrical receiving array. Receiving beam 0 is formed with elements 0-59 divided into two (front and rear) groups....
6839303 Matched filter, receiving beam-forming apparatus and sonar system  
A received beam-forming apparatus is disclosed is which echo signals received by multiple ultrasonic transducer elements arranged in a linear form are sampled at a specific scanning frequency to...
6822928 Adaptive sonar signal processing method and system  
A method and system for processing received sonar signals. The method and system generate bearing data signals based on the received sonar signal. The method and system continuously determine the...
6778468 Automatically tracking scanning sonar  
The invention provides an ultrasonic transmit-receive apparatus which solves a false image problem caused by grating lobes and side lobes and offers high bearing resolution without increasing in...

Matches 1 - 50 out of 273 1 2 3 4 5 6 >