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| Number | Title | Issue Date |
| 8447530 | High density structural health monitoring system and method A method for monitoring and diagnosing the health of a structure. The method includes providing a plurality of damage monitoring units each having at least one actuator, at least one sensor and a data collection device. The sensors are arranged and disposed to measu... | 05/21/2013 |
| 8290719 | Mode identification and decomposition for ultrasonic signals A method is present for processing a signal. A response signal is received from a structure. The response signal is decomposed into a plurality of signals based on a number of characteristics. A mode in the plurality of signals is identified based on a number of kno... | 10/16/2012 |
| 7930112 | Method for evaluating measured values for identifying a material fatigue In a method of evaluating measured values for recognizing defect conditions due to material fatigue on aircraft parts, strain sensors (6) are applied on the critical locations of an aircraft (1) and measured values of outputs of the strain sensors are ... | 04/19/2011 |
| 7925455 | Method and system for the determination of damage location A method for determining the health of a structural element. The method includes providing a plurality of transducer elements arranged and disposed to permit measurement of vibration generated by at least one of the transducer elements at one or more of the other tr... | 04/12/2011 |
| 7822561 | Defect analysis methods for semiconductor integrated circuit devices and defect analysis systems A defect analysis method includes storing, in a database, data indicative of defects and analog characteristics of corresponding defective bits in a database. A first defective area in a first wafer is found, and analog characteristics of defective bits in the first... | 10/26/2010 |
| 7398698 | Smart repair patch and associated method A system and method for identifying defects in a repair patch applied to a structure are provided. The system includes a sheet of material configured to be attached to the structure, and a mechanism operable to generate stress waves within and along the sheet of mat... | 07/15/2008 |
| 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 |
| 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 |
| 7372279 | Power generation unit condition monitor using frequency profile analysis A power generator unit condition monitoring system can receive a frequency profile generated by a frequency generating component and can transmit the received frequency to a frequency profile analyzer. The frequency profile analyzer analyzes the transmitted frequenc... | 05/13/2008 |
| 7366627 | Method for satisfying certification requirements and verifying the integrity of structural health management systems A method is disclosed wherein a plurality of sensors mounted on a structure, a baseline data set for each of the plurality of sensors and a calibration procedure verify the integrity of a structural health management system. Initially a baseline data set is establis... | 04/29/2008 |
| 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 |
| 7356444 | Embedded system for diagnostics and prognostics of conduits An apparatus providing a means for assessment of the integrity of insulated conduits, harnesses, cables, pipelines and other interconnection systems constructed with integral sensitized media, discrete sensors, and electronics providing a means for transforming sens... | 04/08/2008 |
| 7353609 | Hole location method and apparatus The invention discloses differing embodiments of methods for checking the location or potential location of one or holes in structure relative to edges, fillets, and thickness changes. The area in the vicinity of the hole may be checked in order to determine whether... | 04/08/2008 |
| 7343254 | Resolver digital converter In a resolver digital converter comprising a resolver, a resolver digital conversion part, and an excitation signal generation part, the resolver digital converter for inputting an excitation signal generated in the excitation signal generation part to the resolver ... | 03/11/2008 |
| 7337672 | Method for inspecting grinding wheels This invention discloses a method of evaluating the internal structure of a grinding wheel through ultrasonic inspection. ... | 03/04/2008 |
| 7334485 | System, method and computer-readable medium for locating physical phenomena A method, system and computer product for detecting the location of a deformation of a structure includes baselining a defined energy transmitting characteristic for each of the plurality of laterally adjacent conductors attached to the structure. Each of the plural... | 02/26/2008 |
| 7315798 | Method of identifying boundary condition between components of object of analysis A natural frequency and a calculated mode vector are calculated by using a finite-element method models for analysis which include an object of analysis including a plurality of components and a plurality of elements which are positioned between the components of th... | 01/01/2008 |
| 7312607 | Eddy current part inspection system At least one measurement coil of an eddy current part inspection system is oriented relative to a track surface so that the longitudinal axis of the magnetic field generated by the at least one measurement coil is skewed relative to the track surface so as to be sub... | 12/25/2007 |
| 7308367 | Wafer inspection system A method and system for identifying a defect or contamination on a surface of a material. The method and system involves providing a material, such as a semiconductor wafer, using a non-vibrating contact potential difference sensor to scan the wafer, generate contac... | 12/11/2007 |
| 7289913 | Local feature characterization using quasistatic electromagnetic sensors Local features such as cracks in materials are nondestructively characterized by measuring a response with an electromagnetic sensor and converting this response into a selected property using a database. The database is generated prior to data acquisition by using ... | 10/30/2007 |
| 7278305 | Apparatus for detecting hunting and angle of attack of a rail vehicle wheelset An apparatus and method for estimating the angle of attack of wheels, wheelsets, trucks and railway vehicles traveling over a track employing a wayside system having a plurality of sensors, adjacent to the rails of the track, for detecting the passing of each wheels... | 10/09/2007 |
| 7277822 | Embedded system for diagnostics and prognostics of conduits An apparatus providing a means for assessment of the integrity of insulated conduits, harnesses, cables, pipelines and other interconnection systems constructed with integral sensitized media, discrete sensors, and electronics providing a means for transforming sens... | 10/02/2007 |
| 7268988 | Apparatus and method for detecting rotation In a rotation detection apparatus, a rotation-angle detector detects a rotation angle of a rotating body based on an output signal generated by a resolver. An exciting-signal generation circuit supplies an exciting signal for exiting the resolver to generate the out... | 09/11/2007 |
| 7267008 | Drive, transmit & receive circuit for structural health monitoring systems A transducer for use in a structural health monitoring system includes a single transducer element. The transducer includes a transmit assembly coupled to the single transducer element. This assembly is configured to produce a multi-cycle square wave drive signal fo... | 09/11/2007 |
| 7265754 | Method for displaying material characteristic information A system and method for displaying graphical information indicative of a plurality of material characteristics for a portion of a part under test. Energy is directed at the selected portion of the part under test. Resultant energy is detected from the selected porti... | 09/04/2007 |
| 7266470 | Method for mitigating interference between nearby proximity sensors A method, that arbitrates when each of a plurality of sensors can perform an object detection procedure, assigns a different binary address to each sensor. Each bit in the binary address is sequentially selected. While a bit is selected, every sensor applies a signa... | 09/04/2007 |
| 7263446 | Structural health management system and method for enhancing availability and integrity in the structural health management system A structural health management system is disclosed. The structural health management system comprises a zone of sensors. A first sensor data collector is coupled to a first subset of the sensors in the zone; and a second sensor data collector coupled to a second sub... | 08/28/2007 |
| 7257513 | Performance monitoring system and method A system and method for monitoring the performance of at least one machine operator, the system comprising at least one measuring device for measuring at least one machine parameter during operation of the machine by the operator, a server (8) for generating ... | 08/14/2007 |
| 7254519 | Multi channel multiplexed inspection system and method Provided are systems and methods for multi-channel non-destructive inspection which provide high data throughput, logarithmic amplification of large dynamic range, and simplicity of supporting electronics. More specifically, provided are systems and methods for insp... | 08/07/2007 |
| 7240554 | Method and device for sizing a crack in a workpiece using the ultrasonic pulse-echo technique The invention relates to a method for determining the size of a fracture (26) in a workpiece (20), in particular the depth of a fracture (26) in said workpiece (20), by means of the ultrasound pulse method, comprising the following method... | 07/10/2007 |
| 7212895 | Magnetic sensor A magnetic flux is sensed within a gap at a first location between two portions of a vehicle body/structure and a signal generated responsive thereto controls an element of the vehicle, wherein the magnetic flux is responsive to a disturbance of the vehicle body/str... | 05/01/2007 |
| 7209844 | Magnetic crash sensor A first magnetic field generated by a first coil operatively associated with a first portion of a vehicle interacts with at least one conductive element operatively associated with or at least a part of a second portion of the vehicle so as to generate an eddy curre... | 04/24/2007 |
| 7201064 | Panel bending machine A panel testing device, and a method of its use, for flexing and measuring mechanical properties of a panel are provided comprising a panel bending assembly operable to engage a panel and impart a bending force on the engaged panel, and a linear actuator having an o... | 04/10/2007 |
| 7187153 | Motor-driven power steering apparatus In a motor-driven power steering apparatus, a plurality of rotational position detecting sensors are provided in an electric motor, and during an abnormality in any one rotational sensor, the electric motor can be driven by using a detected result of any other one r... | 03/06/2007 |
| 7181356 | Device and method for analyzing the structure of a material The invention relates to a device that is used to analyse the structure of a material. The inventive device comprises: probe elements (5) which are used to (i) emit a wave, in the material, with emission delay laws that correspond to several simultaneous devi... | 02/20/2007 |
| 7174255 | Self-processing integrated damage assessment sensor for structural health monitoring A small, lightweight, portable, and inexpensive self-processing integrated damage assessment sensor (SPIDAS) that may be temporarily or permanently attached to a structure for structural health monitoring is provided. The SPIDAS device employs an electromechanical i... | 02/06/2007 |
| 7167009 | Method and apparatus for determining electrical properties of structures A method and apparatus for determining an electrical property of a structure. The method involves creating a model of an electrical property of a structure and measuring the electrical property of the structure between at least two of a plurality of locations. The m... | 01/23/2007 |
| 7154404 | Electric power steering system having failure detection apparatus An electric power steering system comprises a three-phase brushless DC motor, a steering torque detector, a resolver for detecting a resolver rotation angle of the three-phase brushless DC motor, a processing unit and a failure detection apparatus. The processing un... | 12/26/2006 |
| 7149633 | Displacement method of knot sizing A method of estimating the displaced size of a knot in a lumber piece includes the steps of: translating the lumber piece downstream along a flow path between a radiation source and sensor while simultaneously irradiating the lumber piece with radiation from the fir... | 12/12/2006 |
| 7136714 | Procedure for determining modifications made to an electronic card and methods of fabricating an electronic card and an item equipment provided with an electronic card Procedure for determining modifications made to an electronic card and methods of fabricating an electronic card and an item of equipment provided with an electronic card. According to the invention, a first diagram (S1) illustrating the electronic car... | 11/14/2006 |
