Communications, electrical: acoustic wave systems and devices inventions 06/07

20070147172 - Method for visualization of echoes received by an active sonar using a line spectrum emission: The invention relates to a method for the visualisation in a single image of the useful information obtained by the operation of an active sonar with line spectrum emission. The method permits an operator to simultaneously view the echoes which may need monitoring and the trace left by the sonar... Agent: Lowe Hauptman Gilman & Berner, LLP

20070147173 - Simplicity sonic depth finder for fishing: Provided is a detector for fishing in order to detect the depth of water, the temperature of water, the distribution of fishes including fishes' migration and/or the length of fishes. The detector includes: a sensor transmitting an ultrasonic signal into the water in a fishing site and receiving a reflective... Agent: Baker & Hostetler LLP

20070140055 - Method and apparatus for azimuthal logging of shear waves in boreholes using optionally rotatable transmitter and receiver assemblies: An acoustic logging system with a borehole tool comprising a transmitter assembly and an axially spaced receiver assembly. The transmitter and receiver assemblies are optionally rotatable with respect to each other, depending upon the embodiment of the logging system. The logging system is designed to measure, among other parameters, the... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070140056 - Method of processing seismic data acquired by means of multi-component sensors: The invention relates to a method of processing seismic data acquired by means of a sensor having at least three geophone components, characterized in that estimators are determined which are combinations of these components making it possible to isolate the various data depending on whether they correspond to propagation with... Agent: David M Ostfeld Adams And Reese

20070140057 - Location and ranging system for divers: A location and ranging system for divers is disclosed, which indicates to a diver the position of, and range to, a boat (or other platform) with respect to the diver's current location. For example, a location and ranging system for divers is disclosed, which includes a transmitter, a receiver module,... Agent: Honeywell International Inc.

20070140058 - Method and system for correcting transducer non-linearities: The embodiments of the invention concern a method (400) and system (100) for modeling transducer non-linearities. The method can include converting (402) a transducer signal to a displacement signal that is proportional to a transducer cone displacement, and applying (404) a correction to the displacement signal. The transducer signal can... Agent: Akerman Senterfitt

20070140059 - Acoustic generator for distance sounding with microphone designed for efficient echo detection: In the oil industry, the acoustic sounding method is a well-known technique for taking the depth measurements of particular attributes of an oil well or borehole. The method involves sending a short, sharp, clear, loud bang sound down a borehole, normally between the inside wall of the borehole casing, commonly... Agent: Mr.mark David Fox

20070140060 - Apparatus and method for reducing noise for moveable target: A noise control system is provided for controlling a noise level around a moveable target. The noise control system has a detecting system configured to detect a location and movement of the target, and a noise cancellation system. The noise cancellation system has a sensor for dynamically sensing noise at... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070133350 - Harbor fence: Methods and apparatus determine if an intruder passes into a security zone that is associated with a waterfront asset. An embodiment of the invention provides a harbor fence system that is designed to be deployed in water around ships or other waterfront assets to serve as a line-of-demarcation in order... Agent: Banner & Witcoff, Ltd.

20070133351 - Human target acquisition system and method: The invention is a system for acquiring and mapping the location of a human target within a targeted zone defined by boundaries. The system includes a remote sound detection component, which may be a laser vibrometer, capable of placement at a remote safe distance without physical attachment at the targeted... Agent: Mcnair Law Firm, P.A.

20070133352 - System and method for position awareness for minimizing power consumption in sensor network environment: Provided are a system and method for position awareness that can be used indoors in a large-scale environment and can minimize generation of radio frequency (RF) and ultrasonic waves in a wireless sensor network including low-priced sensor nodes capable of precise position measurement, thus improving energy efficiency by reducing unnecessary... Agent: Mayer, Brown, Rowe & Maw LLP

20070133353 - Pressure control apparatus and rotation drive mechanism: A pressure control apparatus according to the present invention is comprised of a magnetostrictive element section disposed between respective one ends of rotating rods which have the one ends thereof arranged on the same axis in a state connected to each other such that they are unrotatable relative to each... Agent: Greenblum & Bernstein, P.L.C

20070133354 - Systems and methods for enhancing low-frequency content in vibroseis acquisition: This invention relates in general to vibroseis and, more specifically, but not by way of limitation, to the enhancement and/or signal strength optimization of low frequency content of seismic signals for use in surveying boreholes and/or subsurface earth formations. In embodiments of the present invention, physical properties of a seismic... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20070127311 - Methods and systems for calibrating acoustic receivers: A method and system for calibrating acoustic receivers. The method and system facilitate calibrating the acoustic receivers while they are mounted to a downhole acoustic tool. Calibrating the acoustic receivers in situ provides more accurate results than previously available. The method and system provide separate compensation factors for the acoustic... Agent: Schlumberger K.k.

20070127312 - Current prediction in seismic surveys: A method for use in seismic surveying includes determining the shape of a seismic cable during a seismic survey; determining the tension on the seismic cable at a plurality of points along the seismic cable; and predicting a current that will impact the seismic cable from the determined shape and... Agent: Westerngeco L.L.C.

20070127313 - Apparatus and method for hydraulic fracture imaging by joint inversion of deformation and seismicity: A method for hydraulic fracture imaging consistently integrates ground deformation data and microseismic data. A time sequence of hydraulic fracture images is computed from the combined data by first computing an orientation and location of the fracture. A size of the fracture (e.g., length, width, and opening) and detailed shape... Agent: Lumen Intellectual Property Services, Inc.

20070127314 - Method and apparatus for detecting overpressured zone ahead of a drill bit using resistivity and seismic measurements: A resistivity logging tool suitable for downhole use includes a transmitter and two spaced apart receivers. The measured signals are inverted to determine the distance to an overpressured zone in the earth formation. The overpressured zone may be a transition zone in resistivity. The direction of drilling may be controlled... Agent: Madan, Mossman & Sriram, P.C.

20070127315 - Electromagnetic surveying for hydrocarbon reservoirs: A method of analyzing results from an underwater controlled source electromagnetic (CSEM) survey of an area that is thought or known to contain a subterranean hydrocarbon reservoir is described. The method is based on a wavefield extrapolation of narrow-band electromagnetic field data obtained from pairs of source and receiver locations.... Agent: Renner Otto Boisselle & Sklar, LLP

20070127316 - Personal sonar system: The sonar device includes a sonar transducer, a noise filter, a microprocessor and an output device. The system warns the user when a hazardous objects is detected or when signals from companions decrease. The portable sonar device can be built into various watersport devices including scuba diving equipment, surfboards and... Agent: Dergosits & Noah LLP