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8164983 |
Fish finder
A method, system, and apparatus are provided for focused ultrasonic acoustic imaging of objects within a body of water. Echo soundings are collected, produced by an ultrasonic transmitter and...
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8125851 |
Apparatus and method for controlling acoustic radiation pattern output through array of speakers
Provided are an apparatus and method for controlling an acoustic radiation pattern output through an array of speakers. The apparatus stores a plurality of filter values for forming a plurality of...
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8072839 |
Hand-held acoustic camera
An acoustic camera includes an acoustic transmitter disposed at one longitudinal end of a housing. The transmitter has a convex radiating surface. A diameter of the transmitter is about four times...
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8023359 |
System and method for converting scan data
An ultrasound device generates polar-coordinate image data divided up into an (N×M) array of polar-coordinate image data blocks; a first external memory configured to store the (N×M) array of d...
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8018792 |
Method of constructing environmental map using sonar sensors
Disclosed herein is a method of constructing an environmental map using sonar sensors. The method includes the steps of checking whether conflict cells have occurred using input sonar sensor data;...
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7920440 |
Method for real-time calculation of receive focusing parameters for beamforming and apparatus thereof
A method and an apparatus for real-time calculation of receive focusing parameters for beamforming are provided. The apparatus is coupled to the signal input end of the receive beamforming module...
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7859941 |
Transmit apodization control for microbeamformers
Apodization control techniques for a microbeamformer including a plurality of microbeamformer channels each including a transducer, a microbeamformer transmitter for driving the transducer, a...
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7850625 |
Method and apparatus for monitoring labor parameter
A method for early detection of a pregnancy complication, including touching a position sensor to a point on a fetal presenting part of a fetus in a mother, and capturing a position of the position...
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7806825 |
Diagnostic signal processing method and system
A signal processing utility is disclosed involving time-to-frequency domain transforms for applications including medical diagnostic signal processing. Such transforms can be used to define a...
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7804736 |
Delay controller for ultrasound receive beamformer
An ultrasound system includes an ultrasound transducer having an array of elements and a beam origin located between two adjacent elements, each of the elements for converting received energy into...
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7800979 |
Beamforming method and apparatus used in ultrasonic imaging system
The present invention relates to a beamforming method used in an ultrasonic imaging system, the method comprises: receiving the reflected echo signal from the reception my by the transducer...
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7736312 |
Acoustic monitoring system
An acoustic monitoring system that is able to verify the success or failure of the positional adjustment of a valve without the need for additional energy during non-invasive reprogramming is...
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7706586 |
Real-time structure suppression in ultrasonically scanned volumes
Certain embodiments of the present invention include methods, systems, and computer readable media for real-time structure suppression in ultrasonically scanned volumes. A method includes receiving...
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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...
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7679988 |
Sound-wave imaging method and apparatus
An ultrasound imaging method including an emission step during which an array of transducers is caused to emit at an ultrasound wave focused in a target medium by causing the excitation wave to...
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7532541 |
Object detection using acoustic imaging
Embodiments of the present invention include methods and apparatus for the detection of objects using acoustic imaging. Vibrational resonance characteristics of man-made objects may be...
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7495994 |
Continuous, continental-shelf-scale monitoring of fish populations and behavior
Areal population density and detailed behavior of fish schools and their interaction are continuously monitored over continental-shelf-scale areas spanning thousands of square kilometers by ocean...
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7491169 |
Ultrasonic apparatus and method to assess compartment syndrome
A process and apparatus for measuring pressure buildup in a body compartment that encases muscular tissue. The method includes assessing the body compartment configuration and identifying the...
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7466628 |
Method of constructing mathematical representations of objects from reflected sonar signals
Data recorded by directing a single sonar beam pulse towards a surface, and recording the reflected sonar signals with a large plurality of detectors, is used to generate a mathematical...
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7366053 |
System and method for imaging and tracking contacts within a medium
A system for processing one or more detection signals from an acoustic signal detection system to image and track one or more contacts within a medium including a computer configured to receive the...
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7315485 |
System and method for target classification and clutter rejection in low-resolution imagery
A system and method of determining a classification of at least one underwater object is provided. The method includes generating at least one low-resolution imagery of an object from a plurality...
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7301851 |
Underway hull survey system
A method and survey system for inspecting hulls of ships has a base portion and side portions defining an inspection channel in water. Sonar is mounted on the side portions transmitting acoustic...
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7221621 |
System and method for identification and quantification of sonar targets in a liquid medium
A system and method for identifying and quantifying targets within a liquid medium. A raw sidescan sonar image is collected. A region of interest is separated from the image. An image...
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7164618 |
Dual unit eidetic topographer
An underwater detection system that uses two remote vessels in proximity to an object of interest in order to accurately obtain a 3D image of that object. One of the vessels is stationary and...
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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.
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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...
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6903999 |
System and method for estimating seismic material properties
A method for estimating near-surface material properties in the vicinity of a locally dense group of seismic receivers is disclosed. The method includes receiving seismic data that has been...
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6876597 |
Channeled wavefield transformer
The channeled wavefield transformer enables multi-dimensional wavefield signal processing which leads to significant expansion of the engineering field of electronic signal processing. The term...
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6873569 |
Method, system and probe for obtaining images
The process, the imaging system and the probe are intended to obtain images by way of waves emitted by an antenna after reflection of these waves at the level of a target-like assembly illuminated...
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6870791 |
Acoustic portal detection system
Airports and other public places require security measures for the screening of human subjects for illicit objects and materials concealed from view beneath clothing. However, at present most of...
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6798715 |
Biomimetic sonar system and method
The Biomimetic Sonar invention ensonifies submerged objects, digitizes acoustic images reflected from the ensonified objects, and classifies and stores the digitized images using electronic...
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6700832 |
Method and apparatus for passive acoustic imaging using a horizontal line array
An apparatus for processing passive acoustic signals received on a horizontal line array that were either emitted from an underwater object or echo returned from an object, is proposed to display a...
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6648824 |
Ultrasound imaging system for performing receiving focusing at points corresponding to display pixels and method thereof
All RF data received by transducers in response to an ultrasonic signal that was transmit-focused on a point along a predetermined scan lines are stored to compute display data for those points of...
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6471389 |
Dynamic delay curve generator for ultrasonic imaging system
A dynamic delay curve generation method for an ultrasonic imaging system having the following steps: (1) obtaining three initial values of K0, N0 and φ1 from a parameter decoder, where K0 is the ...
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6377514 |
Acoustic lens-based swimmer's sonar
An acoustic/video processing stack of a plurality of substantially identical acoustic/video processing stacks is provided for attachment to a processing stack backplane and which together generate...
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6301192 |
Method for generating 2 and 3-dimensional fluid meshes for structural/acoustic finite element analysis in infinite medium
The present invention relates to a method for generating 2 and 3-dimensional fluid meshes for structural/acoustic finite element analysis in an infinite medium. The method broadly comprises the...
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6240050 |
Method of resetting sonar images using secondary antenna
A method of readjusting sonar images using sub-antennae. For each point of the bottom, a sub-antenna is constructed of a given size at one end of the physical antenna. A first channel is...
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6226228 |
Ultrasonic harmonic imaging system and method
A method for imaging a target includes the steps of transmitting ultrasonic energy at a fundamental frequency and receiving reflected ultrasonic energy at a harmonic of the fundamental frequency....
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6198692 |
Apparatus suitable for searching objects in water
A fish finder having two 1D transducer arrays vertically arranged on a ship's hull. Each 1D transducer array provides a beam having a narrow width on a plane parallel to a plane in the transducer...
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6138513 |
Method and apparatus for fast acquisition of ultrasound images
New apodization functions providing an effective rejection of side lobe amplitude level within wide range of beam steering angles are described in this invention. A central amplitude apodization...
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6122223 |
Ultrasonic transmit waveform generator
An ultrasonic transmit waveform generator for an ultrasonic imaging system includes a waveform memory operative to store a plurality of stored ultrasonic waveforms, and an interpolator responsive...
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6115324 |
Transmit memory for ultrasound
An ultrasonic imaging system includes a transmitter using a memory to store waveshape and frequency data for energizing a transducer array. The data for multiple waveshapes is simultaneously read...
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6016285 |
Method and apparatus for coherent image formation
A method and apparatus are provided for imaging an object using a transducer array for transmitting one or more beams that are steered and/or translated to transmit scan lines for multiple...
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5970025 |
Ultrasound beamformation integrated circuit and method
A method and system for an ultrasound beamformer with an integrated circuit is provided. Both digital transmit and digital receive beam formation are processed on a single integrated circuit...
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5933389 |
Ultrasonic imaging system and method
A transmit beamformer includes multiple transducers, each responsive to a respective transmit waveform to produce a respective transducer waveform. A transmit waveform generator generates the...
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5675554 |
Method and apparatus for transmit beamformer
A digital transmit beamformer system with multiple beam transmit capability has a plurality of multi-channel transmitters, each channel with a source of sampled, complex-valued initial waveform...
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5612928 |
Method and apparatus for classifying objects in sonar images
A method and apparatus for classifying objects in images utilize means for selecting portions of those images which contain objects and means for classifying those objects based upon parameters of...
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5581517 |
Method and apparatus for focus control of transmit and receive beamformer systems
A beamformer control system includes a primary control and secondary controls so that delay and apodization beamformation profiles can be generated on a dynamic and distributed basis with sparsely...
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5568446 |
Dual mode ultrasonic imager system
A dual mode ultrasonic imager system operative in both a two dimensional 2-D) mode and doppler mode, includes a plurality of transducers for receiving analog ultrasonic signals and converting them...
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5566133 |
System and method of binary optical communication for ultrasonic probe
An optical communication system for ultrasound imaging systems employs a light source and photodetector array in the imaging console. The light source and photodetector array are coupled to each...
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