Communications, electrical: acoustic wave systems and devices inventions 12/07

20070297286 - Marine seismic streamer having soluble encapsulant surrounding seismic sensors therein: A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the streamer and is disposed inside the jacket. At least one seismic sensor is disposed in a sensor spacer affixed to the at least one strength member. An... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20070297287 - Noise estimation in a vector sensing streamer: A method includes recording a first set of data using a first type of sensor; recording a second set of data using a second type of sensor, the first and second sets of data being contemporaneously acquired by co-located sensors; and removing noise from the first data set using the... Agent: Westerngeco L.L.C.

20070297288 - Start assist system for motor vehicles: A start assist system for motor vehicles, including a long-range locating system for determining the location of vehicles traveling ahead and a starting regulator for initiating and controlling a starting operation, wherein the locating system is combined with a near-range locating system for determining the location of objects directly ahead... Agent: Kenyon & Kenyon LLP

20070297289 - Underwater navigation by aided light sensor: The present invention provides a navigation system for an unmanned underwater vehicle that includes at least two navigation sensors that provide latitude and longitude measurements of unequal accuracy, a processor and a memory. The memory stores a machine-readable set of instructions executable by the processor to process the latitude and... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20070297290 - Systems and methods for providing connectivity in an underwater environment: A system for providing connectivity in an underwater environment includes a linking system, a target and a linking member. The linking system includes a first base and an unmanned, submersible mobile unit. The target is remote from the first base. The linking member is connected to one of the first... Agent: Myers Bigel Sibley & Sajovec

20070291588 - Subsalt velocity model building: Method for building a subsalt velocity model. In one implementation, the method may include determining a velocity of a sedimentary area surrounding a salt body, determining an initial velocity of a subsalt sedimentary area disposed below the salt body by interpolating the velocity of the surrounding sedimentary area with one... Agent: Jeffrey E. Griffin Westerngeco, L.L.C.

20070291590 - Obstacle detection system: An obstacle detection system has multiple ultrasonic sonars. When a threshold value used for determining an existence of an obstacle is compared with a receiving signal having been amplified at a predetermined gain, the sonar having a receiving mode is provided with the gain which is higher than that of... Agent: Nixon & Vanderhye, PC

20070291587 - Container assembly for transport and handling of seismic source arrays including a basic structure and removable handles, and method of use: An assembly for forming a container for transport and handling of at least two marine seismic source arrays, wherein said arrays each include at least one series of units formed by at least two marine seismic sources, characterized in that it includes a basic structure including a floor and a... Agent: Pauly, Devries Smith & Deffner, L.L.C.

20070291589 - Forward-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 receiving beam with the second sub... Agent: Birch Stewart Kolasch & Birch

20070291591 - High-resolution ultrasound displacement measurement apparatus and method: An ultrasound method of measuring displacement with high resolution includes transmitting a pair of Golay's complementary sequences or other complementary sequences, receiving echoes from the object and performing pulse compression of the two sequences of echoes. The displacement of the object between the two transmissions is derived from the residual... Agent: Husch & Eppenberger, LLC

20070286019 - Method for selective bandlimited data acquisition in subsurface formations: The method for exploring desired characteristics of a subsurface sector, having at least one resonant frequency, is based on selectively transmitting suitable narrowband energy waves into the subsurface sector, thereby producing narrowband signals reflected off the subsurface sector. The transmitted narrowband energy waves can be selectively and optimally adjusted in... Agent: Foley And Lardner LLP Suite 500

20070286020 - Heads-up navigation for seismic data acquisition: A method and system for acquiring seismic data from a seismic survey plan is provided. A survey area is selected in which the seismic data will be acquired. A coordinate for at least one point of interest within the survey area is determined and input into a portable navigation device.... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070286021 - One touch data acquisition: A seismic spread has a plurality of seismic stations positioned over a terrain of interest and a controller programmed to automate the data acquisition activity. In one aspect, the present disclosure provides a method for forming a seismic spread by developing a preliminary map of suggested locations for seismic devices... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070286022 - Operating state management for seismic data acquisition: A seismic spread has a plurality of seismic stations positioned over a terrain of interest and a controller programmed to automate the data acquisition activity. In one embodiment, the controller forms a queue of sources that are ready to fire and initiating the firing of the sources according to a... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070286023 - Digital elevation model for use with seismic data acquisition systems: A seismic data acquisition system includes a controller, a plurality of sensor stations and a plurality of seismic sources. Each sensor station includes a sensor coupled to the earth for sensing seismic energy in the earth. The sensor provides a signal indicative of the sensed seismic energy and a recorder... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070286024 - Frequency-based methods, system and apparatus for cavity reconstruction via area-distance profiles: A method, system and apparatus for Resonance-Based Acoustic Reflectometry that uses a hybrid approach. A method of manufacture, system and apparatus for a modified circle system that allows for the connection of extra devices like exemplary embodiments of the present invention.... Agent: Hogan & Hartson L.L.P.

20070286025 - Method for directional location and locating system: In order to locate electromagnetic or acoustic signal sources of a sensor configuration (1 a through 1 c) fitted with at least two electric outputs; where the incidence-dependent transfer functions between the acoustic signals incident on the input(s) of the sensor configuration (1 a through 1 c) and the electric... Agent: Pearne & Gordon LLP

20070286026 - Underwater sound projector and underwater sound projection method: Disclosed is an underwater projector projecting a sound underwater. The underwater projector includes a first disk-type resonator unit, a second disk-type resonator unit, and a central space. The second disk-type resonator unit is installed so that a central axis corresponds with that of the first disk-type resonator unit. The central... Agent: Young & Thompson

20070280046 - Feedback protection of pressure measurement devices: Systems and methods for feedback protection of pressure measurement devices are disclosed. In one embodiment, a transmitter inside a pressure measurement device transmits a transmission signal directly or indirectly toward an ambient opening of the pressure measurement device. A reflection of the transmission signal is then received at a receiver... Agent: Lee & Hayes, PLLC

20070280047 - Electromagnetic surveying: A method of analysing results from a controlled source electromagnetic survey of a region of interest containing a previously identified geological structure suitable for bearing hydrocarbons is described. The method comprises providing a first survey data set obtained outside the region of interest, i.e. off-target, for a range of source-receiver... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20070280048 - P-wave anisotropy evaluation by measuring acoustic impedance of the rock by beam-steering from within the borehole at different angles: A phased array of transducers is used to generate elastic waves into the earth formation in a selected direction. The impedance measured at the input to the transducer array is indicative of the elastic impedance of the earth formation in the selected direction.... Agent: Madan, Mossman & Sriram, P.C.

20070280050 - Low frequency model estimation: Implementations of various techniques for a seismic inversion method. In one implementation, the method may include estimating a wavelet of a recorded seismic trace at a well location, transforming the recorded seismic trace to a relative seismic impedance trace, estimating a low frequency model trace using the relative seismic impedance... Agent: Westerngeco L.L.C.

20070280049 - Active noise cancellation through the use of magnetic coupling: Passive and active suppression of casing signals is used to improve the ability to measure formation velocities. Passive suppression includes the use of a magnet slidably coupled to the casing. Active suppression uses measurement of casing signals to control the output of an electromechanical acoustic transducer which cancels the propagating... Agent: Madan, Mossman & Sriram, P.C.

20070280051 - Methods and systems for passive range and depth localization: A to method and system provide a range and depth localization of a passive sound generator, e.g., a submarine target. The method and system use an autocorrelation and/or a cross correlation to arrive at a plurality of range versus depth estimates, which are resolved and evaluated using likelihood factors in... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20070280052 - Method and apparatus for estimating position of robot: A method and apparatus estimating a position of a moving robot are provided. The method includes receiving a primary signal and a secondary signal transmitted from a predetermined signal transmitter using a sensor, on a moving robot, that receives the primary signal and three or more sensors that receive the... Agent: Staas & Halsey LLP

20070280053 - Waterproof audio headset: Disclosed herein is a waterproof audio headset comprising a speaker contained within a submersible waterproof housing.... Agent: Knobbe Martens Olson & Bear LLP