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| Number | Title | Issue Date |
| 7255565 | Anthropomorphic phantoms and method An anthropomorphic phantom used as a training tool by healthcare workers for learning ultrasonic imaging procedures. The phantom is made of a moldable, elastomeric tissue-simulating chemical composition that may be easily processed to create an anthropomorphic phant... | 08/14/2007 |
| 7202091 | Optically similar reference samples Systems and methods for establishing and/or maintaining the accuracy of a multivariate calibration model designed for quantitative optical spectroscopic measurement of attributes or analytes in bodily tissues, bodily fluids or other biological samples, which are par... | 04/10/2007 |
| 7130477 | Method and system for reducing noise in signal systems A method and system for reducing noise in image and audio signals for processing and output display includes determining noise estimates for a given signal and performing a noise reduction routine for two adjacent data in a signal array. By using a predetermined con... | 10/31/2006 |
| 7065469 | Manufacturing apparatus and method for predicting life of a manufacturing apparatus which uses a rotary machine A manufacturing apparatus which includes a rotary machine, includes: a plurality of accelerometers configured to measure diagnosis time series data attached to the rotary machine at locations where variations of the rotary machine are different; a frequency analysis... | 06/20/2006 |
| 6996568 | System and method for extension of data schema A system and method for defining and using logical extensions to a set of data stored in a relational database. A metadata definition for various extensions is stored to explain how to extend data as it is stored into a logical representation suitable for reporting ... | 02/07/2006 |
| 6947852 | Monitoring and correcting for non-translational motion in a resonance measurement apparatus A system and method for assessing and potentially correcting for non-translational motion in a resonance measurement apparatus is provided. The design measures the response of an article, such as an HGA assembly including a read/write head, as well as the excitation... | 09/20/2005 |
| 6923063 | Acoustic sensing device, system and method for monitoring emissions from machinery A device and system are provided for monitoring acoustic emissions from machinery to indicate levels of detected sound waves. Each incorporates an acoustic sensing device which incorporates a housing assembly constructed for removable attachment between a surface mo... | 08/02/2005 |
| 6840104 | Apparatus and method for testing rotational balance of crankshaft Measurement is made of centrifugal force produced on a crankshaft to be tested that is being rotated about its rotation axis, to provide centrifugal force variation information of the crankshaft. Also, measurement is made of errors in respective rotational phases of... | 01/11/2005 |
| 6829935 | Drive location compensation system A drive location compensation system determines a deviation between an actual and nominal position of a drive location on a rotor relative to an attachment location on the rotor. The compensation system uses a balancing machine and a sensor that detects when one of ... | 12/14/2004 |
| 6352860 | Liquid and solid tissue mimicking material for ultrasound phantoms and method of making the same A tissue mimicking material for ultrasound phantoms has ultrasound speed and attenuation characteristics that are characteristic of human tissue and well suited for use in measuring and calibrating the potential biological effects of ultrasound equipment.... | 03/05/2002 |
| 6182494 | Method for adjustment of transducer position to compensate for ultrasonic testing beam alignment errors A transducer position adjustment method, performed to compensate for initial ultrasonic beam alignment error, includes the steps of providing a manipulator of an ultrasonic immersion testing system having a pointing direction and supporting a transducer g... | 02/06/2001 |
| 6138493 | Kinematic error test calibration A calibration device is provided for use in an apparatus for measuring kinematic error in a power mechanism which includes an input shaft, an output shaft, and a kinematic error measurement device. The calibration device comprises a Hooke's joint interpos... | 10/31/2000 |
| 5918255 | Method for testing motor armature shafts A method for testing motor armature shafts is disclosed. The method includes simulating armature shaft loading conditions to test armature shaft reliability for failure. The shaft has a longitudinally extending axis, which during operation is the axis of ... | 06/29/1999 |
| 5663504 | Sensor system In a sensor system with a wireless vibration or structure-borne noise sensor device (1), which makes direct use of the vibration energy of its electrodynamic or piezoelectric measuring unit (5) without other components to transmit the vibration energy via... | 09/02/1997 |
| 5629472 | Method of minimizing bias and achieving mode alignment by trimming a vibrating rate sensor A vibrating cylindrical rate sensor (10) is mechanically balanced and mode aligned with respect to the vibrating portion of the sensor (10) by removing material from a vibrating portion of the vibrating cylinder (34) after the drive and pick-off transduce... | 05/13/1997 |
| 5625137 | Very low scatter liquid and solid tissue mimicking material for ultrasound phantoms and method of making the same A tissue mimicking material for use in ultrasound scanner phantoms has a very low acoustic backscatter coefficient. The tissue mimicking material has the ultrasonic speed and attenuation characteristics of human tissue, with a backscatter coefficient of a... | 04/29/1997 |
| 5618994 | Calibration method using a Pitch-Catch arrangement for ultrasonic inspection of acoustically noisy materials A method for the ultrasonic inspection of acoustically "noisy" specimens, such as those having intrinsically coarse or variable grain structure (e.g., turbine rotor parts made of superalloy compositions), employs a "Pitch-Catch" analysis wherein a "throug... | 04/08/1997 |
| 5614676 | Method of machine vibration analysis for tire uniformity machine A method for analyzing the vibration of a tire uniformity machine having a number of rotating components uses the signals from load cells when the machine idle to output voltage signals that are then amplified and input into a computer as unfiltered, ampl... | 03/25/1997 |
| 5461920 | Whole-body test system with a test probe mount designed especially as a rotor which is mounted on a vertically adjustable support platform and has a test-piece manipulator In the whole-product ultrasonic inspection system proposed, a test head mount, having an axis of rotation, is mounted on a height-adjustable test bench. A test-piece, manipulator having an axis of rotation, is also mounted on the test bench. The test head... | 10/31/1995 |
| 5435168 | Transducer testing system for low frequency vibrations A transducer testing system for low frequency vibrations incorporates an electric motor/gearbox assembly 16 with an output shaft 18 and mechanical means for converting low frequency shaft rotation of the output shaft 18 to uniform low frequency sinusoidal... | 07/25/1995 |
| 5045745 | Spinning piezoelectric beam of a dual-axis angular rate sensor and method for its adjustment A method for adjusting a piezoelectric beam of a dual-axis angular rate sensor, in which the piezoelectric beam is excited in a direction at right angles to the lengthwise direction of two piezoelectric sensors and to a rotary shaft; detected voltages of ... | 09/03/1991 |
| 4964295 | Bore mapping and surface time measurement system The present invention includes a bore mapping system that includes one or more high resolution ultrasonic mapping transducers that are used to measure the diameter of a bore. The travel time for a normally incident pulse to reach the bore surface and retu... | 10/23/1990 |
| 4951508 | Vibratory rotation sensor A vibratory rotation sensor includes a heimspherical resonator, a ring forcer electrode and a plurality of discrete forcer and pick-off electrodes. A vibratory or flexural standing wave pattern is established in the resonator and signals from the pick-off... | 08/28/1990 |
| 4864862 | Boresonic inspection system An immersion based ultrasonic inspection system is disclosed which is used to interrogate the bore and near bore material of turbine and generator rotors by passing ultrasonic search units through the rotor bore. This system utilizes variable focus array ... | 09/12/1989 |
| 4660419 | Reference standard for calibration of ultrasonic arrays An array of ultrasonic transducer (A) are disposed along a circular arc for examining tubular objects moving therethrough. A calibrating apparatus (B) includes a calibrating cylinder (22) having a plurality of calibrating flaws (24, 26) therein. A rotary ... | 04/28/1987 |
| 4576034 | Adjustable radius apparatus for calibrating ultrasonic transducer array Calibration apparatus for calibrating an ultrasonic transducer array by moving it along an arcuate calibration test member, includes four upright posts interconnected by a rectangular carriage which is slidably movable vertically along the posts. A horizo... | 03/18/1986 |
| 4567747 | Self-calibration system for ultrasonic inspection apparatus A tubular workpiece (10) undergoes axial and rotational movement relative to a collar (12) filled with an acoustically coupling medium (14). Longitudinal waves are emitted into the coupling medium and the workpiece from a first transducer (22) and acousti... | 02/04/1986 |
| 4280354 | Acoustic method and apparatus for measuring surfaces of wafers and similar articles A measurement system wherein an acoustic distance measuring transducer is moved over a flat reference surface, measuring the distance from the transducer to a calibration surface and then to a test surface. The transducer is moved along a path within a ri... | 07/28/1981 |
| 4173139 | Ultrasonic reference standard and the methods of construction and use thereof A reference standard for calibrating ultrasonic flaw detection test equipment and the like. The standard comprises a substantially solid body having at least one surface adapted to be engaged by the test equipment and a void of known dimensions located wi... | 11/06/1979 |
