Communications, electrical: acoustic wave systems and devices inventions 09/06

20060209631 - Method for detecting vibrations in a biological organism using real-time vibration imaging: The present invention provides a method for detecting vibration information by receiving electromagnetic radiation reflected or emitted from a biological organism at a light amplitude modulation detector array to provide real-time imaging of the target object. The detected radiation may be visible light, infrared or ultraviolet radiation, and/or of other...

20060209632 - General purpose signal converter: A system for remotely monitoring electrical equipment in an enclosed cabinet, having an ultrasonic detector located in the enclosed cabinet and detecting ultrasonic emissions generated by the electrical equipment, e.g., arcing, and heterodyning those ultrasonic emissions into an audio signal, a data converter which generates a digitized version of the...

20060209633 - Ocean bottom seismic sensor cable system including torque-relieving swivel: An ocean bottom cable system includes: a cable adapted to be extended from a vessel at the surface of a body of water to the bottom of a body of water. The cable includes at least one electrical conductor or at least one optical fiber. A plurality of sensor units...

20060209634 - Methods and systems for determination of vertical correction of observed reflection seismic signals: Methods and systems for determining position of seismic sources and receivers are disclosed. Signals received by a first antenna are processed to determine its 3D coordinate position. Signals received by the first antenna and a second antenna are combined and processed to estimate a spatial vector between the first and...

20060209635 - Controlled source imbalance apparatus, systems, and methods: In some embodiments, an apparatus and a system, as well as a method and an article, may include exciting a plurality of signal source pairs having a substantially equal and non-zero acoustic signature amplitude difference in a frequency domain to provide acoustic signal data, and acquiring the acoustic signal data...

20060203611 - Calibration of pressure gradient recordings: A method for computing a pressure signal gradient. The method includes recording a plurality of pressure signals at at least one of a first receiver and a second receiver. The first receiver and the second receiver are disposed within a cluster. The method further includes recording a plurality of pressure...

20060203612 - Sonde system including rotationally and vertically offset tools: A system for subsurface measurements in a wellbore, with a first tool including a first plurality of pads to be positioned against a surface of the wellbore, each of the pads having a first plurality of electrodes disposed thereon to emit and receive electric alternating current between the electrodes and...

20060203613 - System and method for using time-distance characteristics in acquisition, processing, and imaging of t-csem data: There is provided herein a system and method of acquiring, processing, and imaging transient Controlled Source ElectroMagnetic (t-CSEM) data in ways that are similar to those used for seismic data. In particular, the instant invention exploits the time-distance characteristics of t-CSEM data to permit the design and execution of t-CSEM...

20060203614 - Vertical seismic profiling method utilizing seismic communication and synchronization: A while-drilling Vertical Seismic Profiling (VSP) data acquisition system utilizing the same seismic shots for three purposes is disclosed. First, the seismic shots provide a means for synchronizing a downhole clock in the VSP receiver to a master clock at the surface, thereby enabling correct determination of seismic travel times....

20060203615 - Device and method for adaptive ultrasound sensing: The adaptive system and method for ultrasound sensing comprises re-evaluating over time the detection threshold for predetermined sensing positions along the scanning direction to cope for the static target and environment changes at the sensing positions. The method includes comparing the measured echo value at each sensing position to a...

20060203616 - Mass positioning adjustment mechanism for a seismic sensor: A mass position adjustment apparatus for use in a seismic sensor having axis mechanics including a pivotable boom with a defined null point is described. The apparatus comprising: (a) adjustment means for positioning the boom at the null point; (b) actuator means for moving the adjustment assembly; and (c) interface...

20060198242 - Acoustic logging-while-drilling tools having a hexapole source configuration and associated logging methods: Multipole acoustic logging-while-drilling (LWD) tools and associated methods are disclosed herein. In some embodiments, the disclosed acoustic LWD tool comprises a transmitter array and at least one receiver array. The transmitter array generates acoustic waves with an excitation pattern having a cutoff frequency greater than about 3 kHz. The receiver...

20060198243 - Use of lamb waves in cement bond logging: 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 induce a Lamb wave in the casing and into the wellbore. The Lamb wave attenuates upon passage through the cement bond...

20060198244 - Location finding system, using reflected radio frequency or acoustic signals in a crowded reflector environment: A method of locating one or more reflectors in an environment crowded with reflectors. A transmitter and multiple receivers are used to obtain reflected signals. Each path of a reflected signal is defined by an ellipse having the transmitter at one focus and a receiver at the other. A reflector...

20060198245 - Electronic insect repelling device: A personal electronic insect repelling device is. An electronic circuit supported to the underside of a brim of a hat produces a sonic signal directed towards the body of a person wearing the hat. The sonic signal has a frequency which repels insects, particularly mosquitoes. The sonic signal is generated...

20060198246 - Repairable fiber optic hydrophone assembly: A re-enterable end-to-end hydrophone assembly which is at least partially transparent, so that the routing of the hydrophone fibers is visible during all phases of assembly and operation. The inventive hydrophone assembly includes a cylindrical sensing mandrel with at least one optical fiber wrapped around its outer wall, and an...

20060198247 - Shear mode folded shell projector: An acoustic projector with a thin walled shell extending between flanges having helicoidal corrugations extending between the flanges. A shear mode motor is coupled to the thin walled shell to provide a torque to the thin walled shell....

20060198242 - Acoustic logging-while-drilling tools having a hexapole source configuration and associated logging methods: Multipole acoustic logging-while-drilling (LWD) tools and associated methods are disclosed herein. In some embodiments, the disclosed acoustic LWD tool comprises a transmitter array and at least one receiver array. The transmitter array generates acoustic waves with an excitation pattern having a cutoff frequency greater than about 3 kHz. The receiver...

20060198243 - Use of lamb waves in cement bond logging: 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 induce a Lamb wave in the casing and into the wellbore. The Lamb wave attenuates upon passage through the cement bond...

20060198244 - Location finding system, using reflected radio frequency or acoustic signals in a crowded reflector environment: A method of locating one or more reflectors in an environment crowded with reflectors. A transmitter and multiple receivers are used to obtain reflected signals. Each path of a reflected signal is defined by an ellipse having the transmitter at one focus and a receiver at the other. A reflector...

20060198245 - Electronic insect repelling device: A personal electronic insect repelling device is. An electronic circuit supported to the underside of a brim of a hat produces a sonic signal directed towards the body of a person wearing the hat. The sonic signal has a frequency which repels insects, particularly mosquitoes. The sonic signal is generated...

20060198246 - Repairable fiber optic hydrophone assembly: A re-enterable end-to-end hydrophone assembly which is at least partially transparent, so that the routing of the hydrophone fibers is visible during all phases of assembly and operation. The inventive hydrophone assembly includes a cylindrical sensing mandrel with at least one optical fiber wrapped around its outer wall, and an...

20060198247 - Shear mode folded shell projector: An acoustic projector with a thin walled shell extending between flanges having helicoidal corrugations extending between the flanges. A shear mode motor is coupled to the thin walled shell to provide a torque to the thin walled shell....