Communications, electrical: acoustic wave systems and devices inventions 09/07

20070223309 - Feed line monitor apparatus: A power reception apparatus receives feed information from a predetermined line of a communication cable and judges a state of the power reception apparatus. If the state is normal, it transmits the feed information by returning it to a line which is a pair with the predetermined line.... Agent: Staas & Halsey LLP

20070223306 - Marine seismic data acquisition systems and methods: Systems and methods for acquiring marine seismic data are described. One system comprises a marine seismic spread adapted to survey a sub-sea geologic deposit, the spread comprising one or more seismic instruments attached to or within an instrument support bounded by a controllable boundary; and one or more control vessels... Agent: Westerngeco L.L.C.

20070223307 - Active steering systems and methods for marine seismic sources: Systems and methods for automatic steering of marine seismic sources are described. One system comprises a marine seismic spread comprising a towing vessel and a seismic source, the seismic source comprising one or more source arrays each having a center of source array, each source array having one or more... Agent: Westerngeco L.L.C.

20070223308 - Methods of range selection for positioning marine seismic equipment: A method for selecting a signal arrival for determining an accurate position of seismic equipment includes the steps of transmitting a signal from a pinger; predicting a direct arrival and a reflected arrival of the signal at a receiver, wherein each arrival is the time between the transmission of the... Agent: Westerngeco L.L.C.

20070223310 - Wireless sensor data processing systems: A wireless network includes a plurality of sensors; and a wireless station adapted to communicate with the plurality of sensors, each wireless station having a positioning system to provide 3D coordinates, each wireless station being part of a mesh network and each wireless station automatically determining the 3D coordinates of... Agent: Tran & Associates

20070223311 - Device for avoiding obstacles for high-speed multi-hulled watercraft: The present invention is aimed at a device for ship making it possible to avoid obstacles, in particular obstacles submerged at low depth. By performing an early detection of the echos originating from objects situated on the route of the ship, the device allows in particular the crew of the... Agent: Lowe Hauptman & Berner, LLP

20070223312 - Pulse-echo ranging system: A method and apparatus for controlling pulses in a pulse-echo level measurement or time-of-flight ranging system. The apparatus comprises a controller, a transducer, and an energy storage device. The energy storage device is operatively coupled to the transducer through a relay. The relay is enabled and disabled by the controller... Agent: Siemens Corporation Intellectual Property Department

20070223313 - Seismic modem: A system for the transmission of data by seismic wave, the system having at least one transmitting unit, that at least one transmitting unit comprising a first processing unit encoding a first signal, the first processing unit being coupled to a digital to analog converter, an amplifier amplifying the first... Agent: Maine & Asmus

20070223314 - Geophone with mass position sensing: A motion sensing element with position sensing includes a case, a magnet positioned within the case, a spring assembly having an electrically conductive member and a coil assembly coupled to the spring assembly. The coil assembly and magnet are moveable with respect to one another. A capacitor plate is proximate... Agent: Edmonds, P.C.

20070217288 - System and method for airport noise monitoring: Described are a system and a method for airport noise monitoring. The system may include (a) a data receiving arrangement receiving, from a data source, information corresponding to an airport; (b) a data comparing arrangement comparing the received information to noise rules; and (c) an alert generating arrangement generating a... Agent: Fay Kaplun & Marcin, LLP

20070217289 - Pressure wave generator and process for manufacturing the same: Even when compression stress is generated because a volume of a thermal insulation layer 2 is expanded due to oxidized by oxygen in the air, occurrence of cracks and fractures of the thermal insulation layer and a heating conductor 3 caused by the cracks are prevented by dispersing the compression... Agent: Greenblum & Bernstein, P.L.C

20070211572 - Combined electro-magnetic acoustic transducer: A combined electromagnetic acoustic transducer (EMAT) is disclosed adapted to generate both SH-type acoustic waves and LAMB-type acoustic waves in a conductive casing, surroundings of which are to be analyzed. The transducer comprises one magnet assembly and two RF coils implemented as multi-layer printed circuit board. Each coil is used... Agent: Madan, Mossman & Sriram, P.C.

20070211573 - Electronic equipment with data transfer function using motion and method: Electronic equipment, such as a mobile phone, PDA or other device, is operative to transmit information to another electronic equipment when the two are moved, e.g., shaken, at substantially the same frequency and amplitude. The transferred information may be contacts or other information. The electronic equipment include a motion transducer... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20070211574 - Parametric loudspeaker system and method for enabling isolated listening to audio material: A virtual headset for enabling isolated listening to audio material by a listener without need for earphones or other physical audio producing devices attached to the listener. The virtual headset includes a parametric ultrasonic signal source 504 supplying at least a first parametric ultrasonic channel signal comprised of an ultrasonic... Agent: Thorpe North & Western, LLP.

20070206439 - Method and apparatus for cement evaluation using multiple acoustic wave types: A method and apparatus useful to determine the integrity of a cement bond log disposed in the annular space between a casing and a wellbore. The method and apparatus produce a transversely polarized shear wave and emit the wave through the casing and into the wellbore. The transversely polarized shear... Agent: Keith R. Derrington Bracewell & Guiliani LLP

20070206440 - Flexible piezoelectric for downhole sensing, actuation and health monitoring: Thin flexible piezoelectric transducers are bonded to or imbedded into oilfield tubular members or structural members. The transducers may be used to telemeter data as acoustic waves through the members. By proper spacing of transducers and phasing of driving signals, the transmitted signals can be directionally enhanced or encoded to... Agent: Conley Rose, P.C.

20070206441 - Flexural cylinder projector: An inverse flextensional projector exhibits a low frequency flexural mode and a higher frequency “breathing” mode to defeat stealthy targets and to conduct short and long range detection and tracking in littoral waters. The device has much broader bandwidth than conventional flextensional transducers, slotted cylinders and conventional cylinder transducers. The... Agent: Plevy, Howard & Darcy, P.C.