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| Number | Title | Issue Date |
| 8015876 | Method and apparatus for measuring the structural integrity of a safe-life aircraft component The structural integrity of a safe-life aircraft component on an aircraft is measured and assessed by a processing unit. The component includes a load-bearing metal element that is free from cracks. In the method, acoustic emissions generated in the metal element ar... | 09/13/2011 |
| 7856880 | Vehicle sensor for detecting impact sound Disclosed is a vehicle sensor (4) for detecting impact sound, including a measured-value sensor (4.1) for detecting an impact sound. The measured-value sensor (4.1) includes several individual, separate measured-value sensing elements (4.1. | 12/28/2010 |
| 7784345 | Device and method for combined testing of gears A device (10) for measuring the running behavior of a gear pair having a rolling device (12) which comprises one spindle (15, 16) per gear (13, 14) and has at least one drive (17; 18) for driving one of the gears (13, 14). F... | 08/31/2010 |
| 7757556 | Method and system for diagnosing mechanical, electromechanical or fluidic components There is described a diagnosis method and a system including a structure-born noise sensor which transmits, in a bandpass filtered manner, a measuring signal based on the mechanical resonance frequency and capacity thereof and on an inductance and an evaluating devi... | 07/20/2010 |
| 7703326 | Method and system for diagnosing mechanical, electromechanical or fluidic components There is described a diagnosis method and system including a sensor for structure-borne noise which emits a measuring signal in a bandwidth-filtered manner due to its mechanical resonant frequency, capacitance and inductance. The system also includes an evaluation d... | 04/27/2010 |
| 7698942 | Turbine engine stall warning system A Stall Warning System (SWS) utilizing the detection and analysis of stress waves, (i.e., ultrasound) emitted by combustion and/or turbulent flow processes of an apparatus, such as a turbine engine, for example. Upon detection of an impending stall condition, the SW... | 04/20/2010 |
| 7698943 | Method for evaluating pressure containers of composite materials by acoustic emission testing The invention relates to a method for evaluating pressure containers made of a composite material by acoustic emission testing. The method comprises the steps: (a) determining a sufficient number of internal pressure-dependent acoustic emission characteristics (AE c... | 04/20/2010 |
| 7637161 | Substrate penetrating acoustic sensor An acoustic sensor configured to detect sound waves traveling through a substrate in which the acoustic sensor is embedded. The acoustic sensor includes a piezoelectric element and mass configured to receive and react to sound waves in three dimensions. Also, method... | 12/29/2009 |
| 7559239 | Acoustic pick-up An acoustic pick-up, particularly an ultrasonic pick-up for acoustically diagnosing machines, for example, for detecting leakage in valves or for diagnosing positions, comprising a piezoelectric measuring element and an electronic circuit that processes the measurem... | 07/14/2009 |
| 7555953 | Condition-detecting device, method, and program, and information-recording medium There is provided a condition detection apparatus for detecting a present operating condition of a linear rolling motion guide apparatus, and the condition detection apparatus includes an AE sensor 1 for detecting a waveform elastically generated at least due... | 07/07/2009 |
| 7536911 | Diagnostic systems of optical fiber coil sensors for structural health monitoring Devices for monitoring structural health conditions of host structures. A device includes at least one optical fiber sensor and an electronic module. The optical fiber sensor includes a rolled optical fiber cable operative to generate a frequency shift of a light si... | 05/26/2009 |
| 7458267 | Acoustic emission inspection of coiled tubing A method for testing tubing having the following steps: plastically deforming the tubing with a tubing handling system, the tubing handling system having a reel, a gooseneck and an injector; sensing with at least one sensor acoustic emissions emitted by the tubing d... | 12/02/2008 |
| 7430911 | Method of detecting and analyzing changes in the external loading conditions of a structure A method for both detecting and analyzing a change in the loading condition of a structure. A flexible substrate is employed, in which a distributed network of sensors is built. This substrate is either affixed to the surface of the structure, or built within it, so... | 10/07/2008 |
| 7426439 | Method and apparatus for marine seismic data acquisition The present invention provides a method and apparatus for seismic data acquisition. One embodiment of the method includes accessing data acquired by at least two particle motion sensors. The data includes a seismic signal and a noise signal and the at least two part... | 09/16/2008 |
| 7409319 | Method and apparatus for detecting rub in a turbomachine An embodiment of the disclosed method and apparatus relates to a system for detecting a rub in a turbomachine. The system includes a turbomachine; sensors monitoring turbomachine conditions; and an on site monitor in communication with the sensors, and loaded with i... | 08/05/2008 |
| 7397421 | Method for detecting acoustic emission using a microwave Doppler radar detector Acoustic emissions are detected by reflecting microwave radar signals off of an object, receiving reflected radar signals, generating an intermediate frequency, and filtering the intermediate frequency to remove low frequency signals associated with object movement ... | 07/08/2008 |
| 7387033 | Single-wire sensor/actuator network for structure health monitoring A sensor/actuator network configured with a number of electrically-interconnected elements. More specifically, the sensors/actuators are each placed in electrical communication with the same transmission line. Various embodiments of such networks employ sensors/actu... | 06/17/2008 |
| 7377170 | System and method for the identification of chemical mechanical planarization defects The present invention presents a novel application of a wavelet-based multiscale method in a nanomachining process chemical mechanical planarization (CMP) of wafer fabrication. The invention involves identification of delamination defects of low-k dielectric layers ... | 05/27/2008 |
| 7377169 | Apparatus and methods for acoustically determining fluid properties while sampling An apparatus and methods for acoustically analyzing a fluid sample and determining one or more properties of the sample are disclosed by the present invention. The apparatus comprises a chamber, a transmitter positioned within the chamber for transmitting an acousti... | 05/27/2008 |
| 7376519 | Method for reducing the computation resources required for determining damage in structural health management system A method for determining damage in a structural health monitoring system comprising a plurality of sensors distributed across a structure is disclosed. The method includes decomposing the plurality of sensors into a plurality of sub-arrays. Each sub-array is associa... | 05/20/2008 |
| 7370537 | Ceramic ball bearing acoustic test method An acoustical mechanical test method prescribes compressing brittle balls in spherical conforming opposing platens producing equatorial bulging, tensile stresses, and resulting in crack or flaw growth with emissions of acoustical sounds for direct identification of ... | 05/13/2008 |
| 7371322 | Filtration system and dynamic fluid separation method A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work... | 05/13/2008 |
| 7373260 | Sensor infrastructure A device for use in detecting an event in a structure includes a sensor encapsulation, the encapsulation containing a sensor, an actuator positioned substantially in-plane to the sensor within the housing and a printed circuit board in communication with at least on... | 05/13/2008 |
| 7367239 | Piezocable based sensor for measuring unsteady pressures inside a pipe A piezocable-based sensor for measuring unsteady pressures inside a pipe comprises at least one cable extending around at least a portion of a circumference of the pipe. The cable includes a first electrical conductor, a piezoelectric material disposed around the fi... | 05/06/2008 |
| 7366613 | RF wireless communication for deeply embedded aerospace systems A wireless communication interface for inertial measurement unit is disclosed. One or more instrumentation sensors, a processor, a wireless radio frequency transceiver with an antenna, and a power source are sealed within an inertial sensor assembly. The processor i... | 04/29/2008 |
| 7366338 | Automated document processing system using full image scanning A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past a full image scanner and a discrimination unit. An output receptacle receives... | 04/29/2008 |
| 7362891 | Automated document processing system using full image scanning A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past an image scanner and a discrimination unit. An output receptacle receives the... | 04/22/2008 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7359803 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe An apparatus 10,70 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations X1-XN disposed axially along a pipe 14 for measuring at least one par... | 04/15/2008 |
| 7356738 | Electronic apparatus having improved diagnostic interface Electronic apparatus, such as a personal computer, is described comprising main operative functionality and a power provisioning system for powering the apparatus from an external power source, the power provisioning system comprising:—a main power supply output f... | 04/08/2008 |
| 7355614 | Filling an area of an image marked on a material with a laser A system converts graphic images, such as those created by graphics applications, to a format that can be efficiently printed on a material by a laser printing system. An image can be converted to a set of locations by defining progressively smaller contours of the ... | 04/08/2008 |
| 7348890 | Pest control techniques A pest control system (20) includes pest control devices (110) installed about an area or building (22). These devices (110) each include a bait member and a communication circuit. The communication circuit may be in the form of a passive... | 03/25/2008 |
| 7341410 | Dynamical instrument for machining A dynamical instrument for machining comprising a sensor responsive to a non-rotating part of a machine proximate the tool of the machine for outputting a vibration signal, and a processor responsive to the sensor output configured to calculate a plurality of signat... | 03/11/2008 |
| 7334477 | Apparatus and methods for the detection of an arc in a plasma processing system In a plasma processing system, a method for detecting an arc event on a substrate in a plasma chamber having a chuck is disclosed. The method includes positioning a substrate on the chuck. The method also includes providing a vibration-sensing arrangement in the pla... | 02/26/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7331235 | Device for indicating a beat level A device for indicating a beat level L, the device including an analyzer which responds to a reference frequency Ω and a harmonic coefficient B to extract from an evaluation signal E a first acceleration signal γB at a frequency equal to the product of ... | 02/19/2008 |
| 7328624 | Probe for measuring parameters of a flowing fluid and/or multiphase mixture A probe 10,170 is provided that measures the speed of sound and/or vortical disturbances propagating in a single phase fluid flow and/or multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, ... | 02/12/2008 |
| 7325456 | Interrogation network patches for active monitoring of structural health conditions Apparatus for monitoring structural health conditions of structures. The apparatus includes a piezoelectric device that has a bottom cover plate, piezoelectric rings concentrically disposed with respect to an axis and positioned on the bottom cover plate, and concen... | 02/05/2008 |
| 7322244 | Interrogation system for active monitoring of structural conditions Systems for monitoring structural health conditions of objects. Each system includes patch sensors attached to an object, wherein each patch sensor is capable of generating a wave upon receipt of an actuator signal and developing a sensor signal in response to the w... | 01/29/2008 |
| 7322251 | Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor arrangement having a plurality of standoffs arranged on a pipe and a pluralit... | 01/29/2008 |
