Communications, electrical: acoustic wave systems and devices inventions 01/06

20060018190 - Tool for measuring perforation tunnel depth: Various systems and methods are disclosed herein for determining the depth of a cavity in a wellbore using the Helmholtz Effect....

20060018191 - Offset-azimuth binning for migration and velocity analysis: The present invention comprises a method of choosing a cell structure for seismic gathers dictating a grid of azimuth-offset bins that can be of various shapes and sizes. Processes that use offset-azimuth information are optimized to operate on these cells of azimuth-offset bins and invert for seismic properties. The method...

20060018192 - Seismic vibratory acquisition method and apparatus: A method and related apparatus are described for generating acoustic signals for use in a vibratory seismic survey, including the step of combining into a drive signal a high frequency sweep signal, which sweeps upwardly through a high frequency band during a first time interval, and a low frequency sweep...

20060018193 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values...

20060018194 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values...

20060018195 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values...

20060018196 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values...

20060018197 - Acoustic biomass monitor: The present invention relates to the field of monitoring systems, and specifically, to monitoring systems for measuring fish size, fish quantity and total fish biomass in a fish farming operation. The fish are located in a seacage in a body of water. A mobile platform is placed on the surface...

20060018198 - Acoustic fence: Methods and apparatus determine if an underwater intruder passes under a protective boundary. A sonar sensor system comprises a plurality of sonar sensor modules that are spaced on a protective boundary. A sonar sensor module comprises a sonar transducer (sonar array) that is characterized by an omni-directional radiation pattern that...

20060013065 - Seismic data acquisition system and method for downhole use: A method and system for conducting a seismic survey by lowering a string of intelligent clampable sensor pods with 3-C sensors into a borehole. The string of pods is serially interconnected by a cable having a conductor pair which provides both power and data connectivity. The uppermost sensor pod is...

20060013066 - 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 to produce a first ultrasonic transmitting beam having a first frequency and a second ultrasonic transmitting beam having a second frequency; and a...

20060013067 - Digital sounder module and method for detecting: The invention is a digital sounder module and its method for detection. The digital sounder module includes a sonar carrier wave producing means, a band-pass filter, a pre-amplifier for providing a high sensitivity and extending a wide dynamic range, and an analog-to-digital converter for providing a digital implementation of a...

20060013069 - High resolution images from reflected wave energy: A process and apparatus for producing signals for controlling a display to produce an image in an imaging system employing a plurality of transducers. First and second beam signals are produced in response to delayed channel signals associated with respective transducers, the delayed channel signals representing real and imaginary components...

20060013068 - Producing amplitude values for controlling pixel illumination on a sonar display: A method and apparatus for producing an amplitude value for use in controlling illumination of a pixel on a display, in response to a sampled sonar signal produced by an element of a sonar array. A pixel time associated with the pixel is found, the pixel time representing a time...

20060013070 - Ultrasonic tracking and locating system: The invention relates to a method and a system for monitoring and position determination of objects and/or living beings within an area, such as, e.g. a room in a building. The system comprises a plurality of electronic units, called identification tags, which are attached to the objects that have to...

20060013071 - Acoustic fluid machine: An acoustic fluid machine has an acoustic resonator and a piston reciprocated by an actuator at the base of the acoustic resonator. A valve device is provided on the upper end of the acoustic resonator. External air is introduced into the acoustic resonator through the valve device. The piston has...

20060007782 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values...

20060007783 - Method for classifying a type of bottom, measuring device and computer program product for carrying out such a method: A method for classifying a type of bottom on a bottom under a liquid includes the steps of performing an acoustic reflection measurement, in which a first attribute is determined which represents a strength with which acoustic waves are reflected from a location on the bottom through the liquid in...

20060007784 - Sonar system and process: A sonar system and method of use capable of discriminating a direct acoustic signal present at 60 dB or more above the acoustic echo signal....

20060002230 - Deployment of seismic sensor: An arrangement for the deployment of seismic sensor units, such as sensor nodes (24), on the seabed includes a frame structure that is adapted to carry a container (11) for containment of a data registration unit and additional auxiliary equipment for the sensor node. The arrangement has supports (12, 13)...

20060002231 - Seismic data acquisition system: A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lines. Each RAM cyclically converts analog signal values...

20060002232 - Acoustic telemetry transceiver: One embodiment includes an apparatus that includes a piezoelectric transducer to generate an acoustic signal that is to modulate along a mandrel, wherein the piezoelectric transducer includes at least one piezoelectric element and at least one electrode that is without non-permanent joints....

20060002233 - Combination tool for aligning, measuring distances and sensing objects under a surface: A combination tool (20) includes a housing (22) and a laser device (32) rotatably mounted on the housing (22) for projecting a laser line used for aligning and for projecting a laser beam used for aiming, a sonic device (36) coupled with the housing (22) for measuring distances between the...

20060002234 - Anti-biofouling seismic streamer casing and method of manufacture: An anti-biofouling seismic streamer casing (100,100′) is provided that is formed by a flexible tubing (110) coated with a layer of a two-part heat cured silicone elastomer (120). The seismic streamer casing (100, 100′) is formed by a method that includes steps of providing a flexible tubing (200) and pre-treating...

20060002235 - Pressure sensitive sensor for real-time reconfigurable sonar applications: A sensor with sound navigation and ranging applications is presented. The invention includes a pressure conduction composite sandwiched between electrically conductive elements so as to sense pressure associated with an acoustic wave via a change in conductance of the composite. One electrically conductive element is rigid and may include the...