Communications, electrical: acoustic wave systems and devices inventions

20090279383 - Autonomous data relay buoy: An easily deployable data relay buoy, in some embodiments, has a diesel powered alternator and storage battery, providing long service life. The data relay buoy has mechanical characteristics that allow it to maintain antenna stability in the presence of seas states from at least zero through four and to survive... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20090279384 - Control methods for distributed nodes: A method of controlling distributed devices includes configuring the devices to respond to a controlled signal; positioning the devices in an area of interest; and transmitting the controlled signal into the earth. The earth acts as the signal transmission medium. The method may include controlling a signal generator with a... Agent: Paul S Madan Madan & Sriram, PC

20090279385 - Control system for positioning marine seismic streamers: A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The method includes the steps of: obtaining an estimated... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20090279387 - Marine passive seismic method for direct hydrocarbon detection: A method for detection of hydrocarbon bearing formations below the bottom of a body of water from seismic signals includes moving a plurality of spatially distributed seismic sensors in a body of water and detecting seismic signals including response to any seismic energy having frequencies down to proximate zero. The... Agent: E. Eugene Thigpen

20090279386 - Method for determining adequacy of seismic data coverage of a subsurface area being surveyed: A method for assessing data coverage in a three dimensional marine seismic survey includes determining at least one Fresnel zone for at least one of a plurality of seismic data traces. A contribution is determined for each of the seismic data traces to each one of a set of bins... Agent: Dewipat Incorporated

20090279388 - Method for determining adequacy of seismic data coverage of a subsurface area being surveyed and its application to selecting sensor array geometry: A method for marine seismic surveying includes towing a seismic sensors in a plurality of streamers in the water, actuating a seismic energy source in the water at selected times and detecting seismic signals at the sensors resulting from the actuation of the source. A data trace is created for... Agent: Dewipat Incorporated

20090279389 - Ultrasonic signal communication device, communication device, communication device for divers, communication system, and communication method: An ultrasonic signal communication device that has an ultrasonic oscillation unit that has at least two resonance frequencies according to the oscillation mode, a transmission unit that generates a first ultrasonic signal at one of the two resonance frequencies and transmits the generated first ultrasonic signal from the ultrasonic oscillation... Agent: GlobalIPCounselors, LLP

20090279390 - Thermoacoustic device: An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes entangled with each other. The electromagnetic... Agent: PCe Industry, Inc. Att. Steven Reiss

20090279391 - Apparatus for measuring pressure in a vessel using magnetostrictive acoustic transducer: The present invention relates to an apparatus for measuring pressure inside a vessel using a magnetostrictive acoustic transducer. The apparatus includes a magnetostrictive acoustic transducer, including an exciting coil unit wound on a first magnetization yoke disposed on an outer position of a vessel, a receiving coil unit wound on... Agent: Vidas, Arrett & Steinkraus, P.A.

20090274004 - Using towed seismic surveys that do not have coinciding streamer positions in the time lapse analysis of a producing field: A technique includes performing at least one intervening towed seismic survey after a prior towed seismic survey and before a future towed seismic survey. The prior towed seismic survey has associated first streamer positions, and the future towed seismic survey has associated second streamer positions that do not coincide with... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20090274005 - Method for monitoring a multi-layered system: A method for monitoring a multi-layered system below a surface comprising a slow layer and a fast layer; the method comprising: transmitting one or more seismic waves from one or more seismic sources through the multi-layered system; receiving signals emanating from the multi-layered system in response to the one or... Agent: Shell Oil Company

20090274006 - Method and system for acoustic imaging: The invention relates to an imaging method and system for providing acoustic images of a surface and more particularly, but not exclusively, to acoustic imaging of a surface within a confined space. Also described are an acoustic probe and a transmit/receive sensor array configuration to implement the imaging method and... Agent: Darby & Darby P.C.

20090274007 - Electronic rodent repeller: A rodent repeller having an elongated body, an end cap, an apex, a power supply, a buzzer, and a buzzer transformer. Connection of the power supply to the audible signal generator via the audible signal generator transformer produces a signal in the form of a chatter sound that mimics a... Agent: Cislo & Thomas LLP

20090274008 - Thermoacoustic device: A sound wave generator includes one or more carbon nanotube film. The carbon nanotube film includes a plurality of carbon nanotubes joined end to end by van der Waals attractive force therebetween. At least part of the one or more carbon nanotube film is supported by a supporting element. The... Agent: PCe Industry, Inc. Att. Steven Reiss

20090274009 - Thermoacoustic device: A sound wave generator includes a carbon nanotube structure. At least part of the carbon nanotube structure is supported by a supporting element. The sound wave generator produces sound by means of the thermoacoustic effect.... Agent: PCe Industry, Inc. Att. Steven Reiss

20090262600 - Methods and apparatus for surveillance sonar systems: Methods and apparatus to provide sonobuoys that can be deployed on a sea bottom and surface upon detection of an object of interest. Upon reaching the surface, the sonobuoy can transmit information, such as position information, to a receiver on an aircraft, satellite, and/or remote location.... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20090262601 - Methods for controlling towed marine sensor array geometry: A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with respect to the vessel. At least one of the streamers is deflected at at least one longitudinal... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20090262602 - Radon transformation for removal of noise from seismic data: Δp is from about 0.5 to about 4.0 μsec/m. The coherent noise content of the transformed data is then enhanced, and the primary reflection signal content diminished by filtering at least a subset of the transformed data. The filtered data are inverse transformed from the time-slowness domain back to the... Agent: Keith B. Willhelm, Attorney At Law

20090262603 - Method for characterizing a geological formation traversed by a borehole: Methods for characterizing a geological formation, the methods include retrieving measured data provided by a measuring tool along one or more logged borehole length for a borehole, another borehole or both in order to produce a borehole imaging log. Selecting depth-defined intervals of the borehole imaging log as training images... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20090262604 - Localization system, robot, localization method, and sound source localization program: To measure an accurate positional relationship between an ultrasonic tag and a microphone and identify a sound source position, even if an object is present between the ultrasonic tag and the microphone. When a radio transmission unit transmits a radio wave, an ultrasonic wave transmission unit of an ultrasonic tag... Agent: Nec Corporation Of America

20090262605 - Ultrasound transducer and electronic device: An ultrasound transducer includes a substrate, an ultrasound transducer cell placed on one surface of the substrate and having a lower electrode, a first gap portion placed on the lower electrode and an upper electrode placed on the first gap portion, a first conductive layer placed on the other surface... Agent: Scully Scott Murphy & Presser, PC