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7540194 |
Ultrasonic sensor having transmission device and reception device of ultrasonic wave
An ultrasonic sensor for detecting an object includes: a substrate; a transmission device for transmitting an ultrasonic wave; a plurality of reception devices for receiving the ultrasonic wave;...
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7539081 |
Seabed resource exploration system and seabed resource exploration method
A seabed resource exploration system includes: a vibrator 1 for transmitting a sound wave into the sea and receiving a scattered wave in which the sound wave is reflected on a boundary surface...
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7538720 |
Simultaneous savings in bandwidth and energy using waveform design in presence of interference and noise
A transmit signal is output from a transmitter towards a target and towards interference. A combination signal is received at a receiver, wherein the combination signal includes the transmit signal...
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7532747 |
Method and apparatus for ultrasonic imaging in mmode
The present invention provides a mmode imaging method and apparatus for an ultrasonic diagnosis device to increase the continuity of the displayed mmode images. The mmode imaging method of the...
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7518543 |
Method for determining positions of targets by bistatic measurements using signals scattered by the targets
A method for determining the positions of targets by bistatic measurements using signals scattered by the targets is provided in which the velocities of the targets can also be determined. The...
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7500953 |
High contrast optoacoustic imaging using nanoparticles
A method of enhancing detection for a specific object in a body. A nanoparticulate is administered to the body for location in an area to be explored for detection of the object, if present. The...
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7492666 |
Sonar system having multiple pulse sequences
A sonar system comprises a transmitter adapted to provide pulse sequences, wherein each of the pulse sequences includes pulses that reflect off an object, a receiver adapted to receive the...
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7457198 |
Swimmer detection sonar network
A method for detecting an object in a body of water by generating a plurality of signals and applying each signal to a separate submerged sonar node that is a part of an array of sonar nodes.
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7420876 |
Obstacle sensor having supersonic sensor
An obstacle sensor includes: a supersonic sensor for detecting an obstacle in a first range, the supersonic sensor including a substrate, a transmission device and a reception device disposed on...
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7317659 |
Measurement of air characteristics in the lower atmosphere
Sodar systems and methods for acoustically sounding air are disclosed in which chirps longer than 300 ms—and preferably with durations of tens of seconds—are used along with matched filter...
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7245557 |
Sonar
A sonar emits an ultrasonic wave into the water from a transducer on the basis of a transmission signal outputted from a transmission circuit, receives an echo reflected in the water with the...
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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...
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7196656 |
Apparatus for estimating direction of arrival of signal
An apparatus for estimating direction of arrival of signal is provided that has excellent performance in terms of angular resolution and the number of signals that can be identified. In an array...
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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...
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7180442 |
Target indentification method using cepstral coefficients
A method of identifying an unknown target comprising creating a density function of cepstral coefficients for a known target; receiving a signal from the unknown target; transforming the signal...
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7178408 |
Sodar sounding of the lower atmosphere
A method and system for acoustically sounding the lower atmosphere involves the transmitting of an acoustic chirp and the processing of returned echoes and interference using wavelet and matched...
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7138938 |
System and method for preemptively sensing an object and selectively operating both a collision countermeasure system and a parking assistance system aboard an automotive vehicle
A system and method for preemptively sensing an object in the potential drive path of an automotive vehicle and selectively operating both a collision countermeasure system and a parking assistance...
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7130243 |
Location finding system, using reflected radio frequency or acoustic signals in a crowded reflector environment
A method of locating one or more reflectors in an environment crowded with reflectors. A transmitter and multiple receivers are used to obtain reflected signals. Each path of a reflected signal is...
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7129888 |
High speed weighting signal generator for sidelobe canceller
A sidelobe canceller for a transducer arrangement such as an antenna or sonar transducer uses a main transducer and one or more auxiliary transducers. The auxiliary received signals are weighted by...
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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...
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7095364 |
Altitude measurement system and associated methods
An altitude measuring system and method for aircraft is provided. The altitude measuring system includes altitude sensors for providing data to an altitude processing unit. The altitude processing...
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7095359 |
Method of observing sea ice
An ice thickness/drifting velocity observation of sea ice by using an ice thickness measurement sonar and a current meter moored into the sea and a sea ice observation by a high-resolution airborne...
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7091902 |
Systems and methods for characterizing the coverage of ad hoc sensor networks
The systems and methods according to this invention disclose that coverage for an ad hoc sensor network is fundamental to the deployment and utilization of such networks. The invention provides a...
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7072244 |
Underwater 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...
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7054226 |
Method and apparatus for echolocation
Method and apparatus for application of echolocation to robot guidance and assisting the blind. The method is based on the echolocation of bats. It combines a source of pulsed ultrasound ( 100 )...
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7027356 |
Method and device for detecting objects, especially used as a parking assistance device in a motor vehicle
A device for detecting objects, especially used as a parking assistance device in a motor vehicle, includes a plurality of distance sensors, at least one microcontroller configured to control the...
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6987707 |
Method and system for in-air ultrasonic acoustical detection and characterization
A system and method are presented for determining the detection and location of persons and objects using ultrasonic acoustic sensors. The system allows detection of stationary and moving persons...
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6985406 |
Inteferometric synthetic sonar antenna
The invention relates to an interferometric synthetic sonar antenna. It consists in processing the signals coming from the sensors of two superimposed parallel arrays forming the reception antenna,...
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6972678 |
Wireless-based system and method for hull-based sensing
The present invention describes a wireless system and method for distributing sensors in large numbers that makes possible the application of a number of algorithms for the extraction of important...
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6952001 |
Integrity bound situational awareness and weapon targeting
A system and method of providing situational awareness and weapon targeting is presented. The method includes determining the location of one or more enemy sites and one or more friendly sites. A...
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6943726 |
Device for searching a parking space
A device for detecting parking spaces for vehicles includes a distance-measuring beam-type sensor system disposed on a road vehicle, and a signal processing system. The distance-measuring beam-type...
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6933934 |
Time-gain controlling method and apparatus, recording medium and ultrasonic imaging apparatus
In order to perform precise time-gain control using a small manual setting device, one of two-dimensional coordinates of a position on a surface of a tablet pointer 215 which an external object...
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6909397 |
Stabilizing motion in a radar detection system using ultrasonic radar range information
One preferred embodiment of the present invention provides a system and method for suppressing motion artifacts introduced by movement of a radar detection system. Briefly described, in...
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6850186 |
System for determining position and velocity of targets from signals scattered by the targets
The present invention relates to a system for using signals scattered by targets to determine position and velocity for each of the targets and comprises a set of transmitters and receivers of...
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6748803 |
Liquid measurement system and shared interface apparatus for use therein
A liquid measurement system including interface apparatus for sharing the excitation and signal processing of an ultrasonic transonic transducer and temperature measuring device remotely located at...
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6697299 |
Individual authentication method, individual authentication apparatus, information communication apparatus equipped with the apparatus, and individual authentication system including the apparatus
The object of the present invention is to provide an individual authentication method and apparatus that use no bulky apparatuses, are insusceptible to forgery, and use an auditory organ which is...
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6617996 |
Ground penetrating radar with audible output
A ground penetrating radar system including a processor for generating audible output signals having discrete frequency components representative of the depth of buried targets. The amplitude of...
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6573855 |
Three-dimensional questing method, three-dimensional voxel data displaying method, and device therefor
In a three-dimensional exploring method for finding location of a buried object by transmitting a wave signal ( 4 ) by means of e.g. an electromagnetic wave into the ground ( 1 ) and receiving the...
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6567039 |
Road-shape recognition system
A radar device operates for emitting a detection wave ahead of a vehicle, and detecting objects in response to echoes of the emitted detection wave. A reflector detecting device operates for...
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6545946 |
Method and apparatus for eliminating substantially false echoes produced by electrical noise induced into high gain receiver circuits
For use with a high gain receiver circuit which receives echo pulses of frequencies within a predetermined bandwidth and at times within interpulse periods of a predetermined pulse repetition rate...
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6545945 |
Material classification apparatus and method
The present invention provides signification improvements over the apparatus and method disclosed by U.S. Pat. No. 4,922,467. The invention provides an apparatus for material classification and...
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6535158 |
Kinematic analysis of conically scanned environmental properties
A method for determining the velocity of features such as wind. The method preferably includes producing sensor signals and projecting the sensor signals sequentially along lines lying on the...
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6466514 |
Method for elimination of passive noise interference in sonar
A sonar depth sounder device and method for processing echo signals, reflected from objects within a body of water, utilizes a processor, a memory, a display, and a keypad connected to the...
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6421299 |
Single-transmit, dual-receive sonar
An apparatus and method for scanning a body of water for fish and other underwater articles with a sonar depth finder of a type having a transducer that can transmit an acoustic wave and receive...
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6418080 |
Underwater detection apparatus
An underwater detection apparatus comprises a transducer, a transmitter capable of generating transmitting signals of a plurality of respective frequencies and for generating a transmitting signal,...
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6415666 |
Method and apparatus for acoustic detection of mines and other buried man-made objects
In order to detect buried compliant objects such as land mines and pipes, an acoustic signal is directed into the ground to excite vibration of a buried compliant object. A probing signal is also...
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6396433 |
Talking buried object detector
A spoken word-producing detector identifies objects by comparing signatures of detected objects with stored signatures of known objects. When the signatures compare, the detector produces stored...
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6377515 |
Synchronized sonar
According to a preferred aspect of the instant invention, there is provided a synchronized sonar apparatus that is suitable for use when multiple sonar units are used in close proximity with each...
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6326915 |
Radar device with multiplexed display functions for use in backing up a vehicle
A radar device for use in backing up a vehicle is disclosed herein. A plurality of wave sensors is installed on a rear portion of a vehicle for detecting an obstacle therebehind. A master...
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6311120 |
Automatic speed control device for vehicle
An automatic speed control device for a vehicle includes a distance measuring sensor 3, a vehicle speed sensor 5 and a control unit 9 for controlling the vehicle speed. In the control unit 9, a...
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