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Class 367/103 - With beam steering, scanning, or focussing


Subclass of Class 367 - Communications, electrical: acoustic wave systems and devices
Definition: Subject matter in which directional characteristics of a
No. of patents: 235
Last issue date: 02/15/2011


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NumberTitleIssue Date
7889600Sonar 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 electronically and removably connected to the at least one imaging so...
02/15/2011
7508737Ultrasound 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 apodized in a time-multiplexed fashion, demultiplexed at the output of...
03/24/2009
7502278Analog 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 eliminate a second down conversion mixer and second synthesizer. The beamforme...
03/10/2009
RE40456Acoustic 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 scanning is provided in 2-D arrays. Composite and non-linear implementa...
08/12/2008
7372402Method for enhancing the measuring accuracy in an antenna array
The invention refers to a method and a system for enhancing the measuring accuracy in an antenna array (1), where the method comprises the steps of; a) receiving analog signals on all antenna elements (2) at a first time t1; producing first ...
05/13/2008
7369459Forward-looking sonar and underwater image display system
A forward-looking sonar includes a transducer array which is divided into a first sub array and a second sub array, a first beamforming section for forming a first receiving beam with the first sub array, and a second beamforming section for forming a second receivi...
05/06/2008
7362258Transponder detection system using radio and light wave signals
A target object detection system for detecting a target object using a detector and a tag on the target object; the tag includes a radio wave receiver receiving radio wave from the detector; a light receiver receiving a light signal from the detector; a receipt sign...
04/22/2008
73559243-D forward looking sonar with fixed frame of reference for navigation
An imaging sonar system develops three-dimensional images of the space below, to the sides, and forward of a ship relative to a fixed frame of reference. Various features permit the system to be used in non-military environments and make possible low cost with subst...
04/08/2008
7324042Monostatic radar beam optimization
A method and system for optimizing transmit beam and receive beam antenna radiation patterns. The method includes inputting initial estimate of beam weights for a transmit beam and a receive beam to an optimizer; and using a cost function to optimize beam weights so...
01/29/2008
7295154Vehicle obstacle warning radar
A method for detecting an object using a transmitting antenna and an array of receiving antennas. The method comprises the step of transmitting a signal from the transmitting antenna. The magnitude and phase of a respective received signal at each of the receiving a...
11/13/2007
7289389Resolving 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 surveys. The method comprises the steps of receiving a block of senso...
10/30/2007
7289390Ultrasonic 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 to produce a first ultrasonic transmitting beam having a first frequen...
10/30/2007
7277012Broad field motion detector
A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultr...
10/02/2007
7277479Reconfigurable fir filter
A series of digit processing units (DPUs) are connected to form a finite impulse response (FIR) filter. Each DPU includes a register, a multiplexer, and a coefficient multiplier. The register stores and delays an input digital signal to be filtered. The multiplexer ...
10/02/2007
7253766Three-dimensional surface/contour processing based on electromagnetic radiation interrogation
One embodiment of the present invention includes scanning a target with electromagnetic radiation including one or more frequencies in a range of about 200 MHz to about 1 THz; establishing a point cloud representation of the surface of the target from the scan; and ...
08/07/2007
7248962System 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 connected to a signal transmitter that produces a signal characteristic of th...
07/24/2007
7239263Platform 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 analysis result; extracting a signal based on the generated virtual p...
07/03/2007
7228900System and method for determining downhole conditions
The present invention provides a system for determining downhole conditions including a time domain reflectometer (172) that is operable to generate a transmission signal and receive a reflected signal. A tubular (192) is positioned downhole in a downh...
06/12/2007
7223242Ultrasound imaging system
The present invention is directed to an ultrasound imaging system and method for Doppler processing of data. The ultrasonic imaging system efficiently addresses the data computational and processing needs of Doppler processing. Software executable sequences in accor...
05/29/2007
7207942Adaptive grating lobe suppression in ultrasound imaging
Adaptive grating lobe suppression is provided. Received ultrasound data is measured, compared or otherwise processed to determine the presence of grating lobe energy. A further process is then altered as a function of the level of grating lobe energy. In one embodim...
04/24/2007
7196657Radar system using RF noise
A radar system that utilizes predetermined, pseudorandom, or random waveforms that may be substantially matched to the impulse response of the radar and any surrounding clutter such that the signal-to-clutter ratio may be optimized and/or such that specific targets ...
03/27/2007
7187320Matched 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 detector is coupled to receive residuals representing the difference betw...
03/06/2007
7173879High 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. ...
02/06/2007
7151714Apparatus 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 by the fixed structure (B, C). The number of tra...
12/19/2006
7142553Off-line broadband network interface
A network interface is presented that receives packet data from a shared medium and accomplishes the signal processing required to convert the data packet to host computer formatted data separately from receiving the data packet. The network interface receives the d...
11/28/2006
7133326Method 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. ...
11/07/2006
7128712Adaptive ultrasound imaging system
A method and system for operating an ultrasound system is provided. The method comprising estimating a relative motion between a transducer and an imaging subject and controlling an adaptive beamformer system in response to to an estimation of the relative motion.
10/31/2006
7123546Processing 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. ...
10/17/2006
7116709Communication method of contactless ID card and integrated circuit used in communication method
The code system is realized by that a plurality of waveforms A and B each having duty ratios of 50% in which only any one of a rising edge and a falling edge is present are combined with each other, and “1” and “0” are allocated to the combined waveform. In ...
10/03/2006
7109918Nonlinear 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 between nonlinear active elements to generate beam patterns. A nonlin...
09/19/2006
7093490Ultrasonic flaw detecting method and ultrasonic flaw detector
In order to make it possible in ultrasonic flaw detection to generate ultrasonic waves containing a main beam only by use of an array probe and clearly identify a defect in a specimen by use of images, an element pitch P (the distance between centers of adjacent ult...
08/22/2006
7072244Underwater exterior ship hull imaging system employing a remote microprocessor controlled acoustic transducer array
A multi-beam acoustic transducer array system for producing color enhanced, three dimensional, high resolution images of a ship's underwater hull, wherein the acoustic transducers can be mounted in orthogonal pairs, each pair being positioned opposite from another p...
07/04/2006
7065052Cell stream replicating device
The digital data stream (e.g. ATM cell stream) replicating device features an input port for receiving a continuous digital data stream at an input transmission rate; a broadcast mechanism for replicating the input digital data stream N times; N output ports for tra...
06/20/2006
7050971Speech recognition apparatus having multiple audio inputs to cancel background noise from input speech
A speech recognition apparatus including an audio cancellation module is disclosed. The module includes an audio input for receiving an audio signal from a microphone. The module also includes at least two audio inputs for receiving audio signals from respective ind...
05/23/2006
7046582Method 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. ...
05/16/2006
7037263Computing spatial derivatives for medical diagnostic imaging methods and systems
Spatial derivatives are computed. In one method, gradients are determined from data in an acoustic domain rather than a Cartesian or display coordinate domain. The gradients determined from data in the acoustic domain are then transformed to the Cartesian coordinate...
05/02/2006
70351663-D forward looking sonar with fixed frame of reference for navigation
An imaging sonar system develops three-dimensional images of the space below, to the sides, and forward of a ship relative to a fixed frame of reference. Various features permit the system to be used in non-military environments and make possible low cost with subst...
04/25/2006
7016487Digital echo cancellation device
A digital echo cancellation device is provided. The digital echo cancellation device used for a high speed bidirectional communication system includes an adaptive beamformer in the form of a plurality of finite impulse response (FIR) filters for estimating an input ...
03/21/2006
6999378Parallel 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 signal that varies over time in an optimal manner with respect to the stati...
02/14/2006
6980688Method and apparatus for investigating integrity of structural member
A method for investigating structural integrity utilizes a carrier member having a flexible surface and a plurality of electromechanical transducer elements attached to the carrier member, the transducer elements being spaced from each other along at least two spati...
12/27/2005
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