Communications, electrical: acoustic wave systems and devices inventions 03/06

20060067162 - Ultrasonic cement scanner: An acoustic borehole logging system for parameters of a well borehole environs. Full wave acoustic response of a scanning transducer is used to measure parameters indicative of condition of a tubular lining the well borehole, the bonding of the tubular to material filling an annulus formed by the outside surface...

20060067163 - Device and method for sonar measurement of a swimming pool: A device and method for measuring a swimming pool and manufacturing a liner therefor are provided. The device includes a transducer that can be placed in the pool and configured to transmit sonic energy toward the inner surfaces of the pool. The transducer can determine relative positions of a plurality...

20060067164 - User identification method, user identification device, electronic apparatus, and electronic system: A method of identifying a user, includes steps of registering, in a memory, clapping patterns of clapping of a plurality of users with a user identification for identifying each user associated with a respective clapping pattern, picking up the sound of claps to acquire an input audio signal responsive to...

20060056272 - Methods for earth modeling and seismic imaging using interactive and selective updating: A method for creating an enhanced seismic image is described. Seismic data is acquired from a seismic survey conducted over a subterranean region. The seismic data is transformed into energy components, preferably Gaussian beam components. An earth model is created which is comprised of lens elements. The set of energy...

20060056273 - 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 reflected pulses, and a processor. The processor is configured to transmit a first pulse sequence via the transmitter to obtain...

20060056274 - Transducers for focusing sonic energy in transmitting and receiving device: Ultrasonic transducers which include at least one internally directed generally concavely configured sonic energy radiating element which directs sonic energy toward at least one arcuate energy reflecting surface which redirects and focuses the energy through an opening in a housing defining the transducer. The configuration of the at least one...

20060056275 - Acoustic projector and method of manufacture: An underwater acoustic projector comprising one or more cylindrical shell segments (8), each shell segment (8) having an even number of drivers (10) mounted therein, and the method of manufacturing said projector. The shell segments (8) preferably are formed with a longitudinal slot (14) and have arcuate segments (16), preferably...

20060050610 - System and method for determining the location of an acoustic event: A system and method is provided for determining the three dimensional location of an acoustic event using a system of five or more sound sensing elements. The sensing elements are positioned at substantially the same elevation and in spatially distributed locations with respect to the acoustic event. The sensing elements...

20060050611 - System for attenuation of water bottom multiples in seismic data recorded by pressure sensors and particle motion sensors: An up-going wavefield and a down-going wavefield are calculated at a sensor position from a pressure sensor signal and a particle motion sensor signal. Then, an up-going wavefield is calculated at a water bottom position substantially without water bottom multiples from the up-going and down-going wavefields at the sensor position....

20060050612 - Processing seismic data: In one embodiment, the prediction filter for a frequency fL, the lowest frequency at which swell noise is present, is determined from seismic data at frequency fH+1, where fH is the highest frequency at which swell noise is present. The prediction filter for a frequency fL+1 is determined from seismic...

20060050613 - Integrated mapping and audio systems: An integrated position mapping system and an integrated sonar mapping system both permit recording, storage and playback of audio data. Audio data is provided to the integrated sonar mapping system or the integrated position mapping system so that it may be correlated to position data or echo data. The integrated...

20060050614 - Method and apparatus for controlling the acoustic output of an airgun: A device including a housing having an inside diameter defining a first chamber and a port formed through the housing in fluid communication with the first chamber. A shuttle flange, having a diameter, is moveably positioned within the first chamber. The shuttle flange moves during a gas-release cycle between i)...

20060050615 - Transducer support and associated lock: The present invention is directed to an improved support and lock for use in conjunction with a mobile sonar unit or other device. The improved support is rotatably coupled to the sonar unit base by a coupling assembly. A stabilizing member is slideably coupled to the distal end of the...

20060044937 - Magnetically driven underwater pulse generator: An apparatus and method for magnetically generating an underwater high pressure pulse of sufficient strength to destroy underwater threats utilizes a pair of electrically conductive elements. The electrically conductive elements are arranged substantially parallel with each other and are separated by a gap. A pulse generator supplies an electrical pulse...

20060044938 - Underwater acoustic bearing sensor: In an underwater acoustic bearing sensor, the vector sensor, heading sensor, and pitch and roll sensor are held in a common mounting ring to ensure that their coordinate systems are collinear. The vector sensor includes x, y, and z accelerometers mounted in the ring and a hydrophone that can be...

20060044940 - High-speed, downhole, seismic measurement system: A high-speed seismic measurement system for use in cross-well and single-well seismic systems is disclosed in one aspect of the present invention as including a drill string and multiple high-speed network nodes integrated into and spaced at intervals along the drill string. A communication channel connects the network nodes. One...

20060044939 - Receiver for an acoustic telemetry system: One embodiment includes a method comprising receiving an acoustic signal that is propagated along a drill string. The method also includes correlating the acoustic signal to a first stored acoustic signal representing a first symbol, wherein the first stored acoustic signal is acquired from a propagation along the drill string...

20060044941 - Compact shooter localization system and method: Systems and methods for locating the shooter of supersonic projectiles are described. Muzzle blast signals are neither sought nor required. The system uses at least two sensors, with each sensor having a 3-axis accelerometer. The sensors are spaced apart at least 1 meter and have each a diameter of about...

20060044942 - Self-calibrating shooter estimation: Shockwave-only solutions that estimate shooter position and shot trajectory are extremely sensitive to the quality and precision of the shock time-of-arrival (TOA) measurements as well as the accuracy to which relative sensor positions in space are known. Over the life of a long-deployed system, the sensor positions can shift and...

20060044943 - System and method for disambiguating shooter locations: Systems and methods for locating the shooter of supersonic projectiles based on shockwave-only measurements are described. Muzzle blast signals are neither sought nor required. The system uses at least five, preferably seven, acoustic sensors that are spaced apart at least 1 meter. The sensor signals are acquired with a time...