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7600442 |
Ultrasonic probing method and apparatus therefor utilizing resonance phenomenon
A flaw Z with a long probing length inside a probing target is allowed to be probed. The waves other than the probing target waves are removed or reduced, so that the individual difference in the...
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7590495 |
Inverse method to calculate material properties using a non-resonant technique
A method for calculating material properties of a material includes determining a dilatational wavespeed and a shear wave speed. The dilatational wavespeed is determined by conducting vertical...
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7584663 |
Material stream sensors
A method of determining the content of a desired component in a stream of material including two or more types of component, includes causing or permitting a stream of a plurality of particles of...
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7584060 |
Inverse method to calculate material properties using an insertion loss test
A method for calculating material properties of a material includes conducting two insertion loss tests of the material having a single thickness and a double thickness. These tests are conducted...
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7580802 |
Method of determining condition of a turbine blade, and utilizing the collected information for estimation of the lifetime of the blade
A method for determining the condition of a turbine blade ( 2, 4 ) in a compressor and utilizing the collected information in an estimation of the lifetime of the turbine blade ( 2, 4 ), whereby a...
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7578183 |
Acoustic volume indicator
Acoustic volume indicators for determining liquid or gas volume within a container comprise a contactor to vibrate a container wall, a detector to receive vibration data from the container wall, a...
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7562557 |
Flexural resonator sensing device and method
A flexural resonator includes a piezoelectric material. At least a portion of an electrode having a first surface and a second surface is embedded in the piezoelectric material such that the...
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7555952 |
Sensing device
The present invention prevents instability of frequency measurement caused by spatial connection between quartz sensors adjacent to each other when a plurality of quartz sensors, including a quartz...
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7555951 |
Determination of remaining useful life of gas turbine blade
A system may be used to indicate a need for replacement of a vibrating structure and includes a sensor, an indicator, and a processor. The sensor senses a frequency of vibration of the vibrating...
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7552639 |
Quartz sensor and sensing device
An object of the present invention is to provide a highly sensitive Langevin type quartz sensor which is easy in assembling, is less likely to cause damage to a quartz resonator during the assembly...
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7549338 |
Nanostructure sensor of presence and concentration of a target molecule
Method and system (i) to determine when a selected target molecule is present or absent in a fluid, (2) to estimate concentration of the target molecule in the fluid and (3) estimate possible...
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7549336 |
Harmonic fatigue evaluation
A method and apparatus for determining the performance level, amount of wear, and remaining useful life of a new or worn object, preferably of metallic construction through harmonic fatigue...
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7546769 |
Ultrasonic inspection system and method
A method and system for microstructural evaluation and degradation evaluation of an object are provided. The method comprises insonifying at least one subvolume of the object with ultrasonic energy...
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7543476 |
Rupture event sensors
An apparatus for separating an analyte from a mixture or for detecting an analyte or for determining the affinity, or a property related to affinity, between binding partners includes: a) a surface...
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7532951 |
Method of automatically setting vibration suppression filter
A filter is set by a control apparatus automatically detecting a vibration frequency and determining a filter to be needed, in a simple method that does not require a special process. A servo...
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7530272 |
Multiple frequency ultrasound apparatus
The invention disclosed that the multiple frequency ultrasound apparatus using unique transducer will contain many actuations module, a coupled circuit and a transducer. Each actuation module can...
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7526958 |
Audiometer receiver and audiometer
An audiometer having an air-conduction receiver, a bone-conduction receiver, a masking receiver and an audiometer body is provided, in which the air-conduction receiver, the bone-conduction...
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7519480 |
Driving-force output of a reciprocating actuator
The force exerted by a reciprocating actuator is estimated as a weighted sum of three quantities: a reaction-mass acceleration, a baseplate acceleration, and a relative acceleration of the...
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7513157 |
Method and device for determining the redox state of a reaction surface coated with a catalyst material
The invention relates to a method and device for determining the redox state of an anode ( 11 ), which is coated with a catalyst material or consisting thereof, associated with a high temperature...
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7509861 |
Method and device for local spectral analysis of an ultrasonic signal
The method decomposes the radio frequency signal into sub-bands by filtering, for example with a time-frequency transform. From the coefficients acquired through decomposition a matrix of spectral...
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7509860 |
System for measuring resonant frequency and delay time of quartz crystal microbalance
This present invention relates to a system for measuring resonant frequency and delay time of the quartz crystal microbalance. The system includes a transistor oscillating circuit, a switch...
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7503219 |
Monitoring and diagnosing a technical installation using purely mechanically activated signaling means
A specific failure occurring during operation of a technical installation is detected by acquiring an acoustic and/or optical signal emitted by a device assigned to at least one component of the...
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7497119 |
Methods and systems for using resonant acousto-EM energy and acousto-EM signatures to disrupt biologic structures
The present invention makes use of resonant acousto-EM energy (alone or in combination with resonant acoustic energy) applied to biologic structures for the disruption of at least one function of...
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7464593 |
Metallurgic treatment and verification system
A new and improved metallurgic treatment and verification system and method. The system comprising several components in combination. First provided is an object to be tested. The object has a...
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7458266 |
Method and apparatus for detecting a load change upon a structure and analyzing characteristics of resulting damage
A sensor network is attached to a structure and employed to detect and analyze load changes. The sensor network has transducers, capable of acting as both passive sensors and active actuators,...
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7458265 |
Piezoelectric cantilever sensors
A piezoelectric cantilever with a non-piezoelectric, or piezoelectric tip useful as mass and viscosity sensors. The change in the cantilever mass can be accurately quantified by monitoring a...
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7454926 |
Washing machine
A washing machine includes a rotary drum for accommodating therein laundry, the rotary drum having a horizontal or slanted rotational axis; a water tub supported in a vibratable manner in a washing...
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7444874 |
Method of determining damping of an article of manufacture and system for determining damping performance
A method of determining damping performance of an article of manufacture includes moving an article of manufacture along a production line, directing a laser beam at a surface of the moving article...
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7435004 |
Methods and apparatus for assembling a bearing assembly
A method for predicting bearing failure, wherein the bearing includes an inner race, an outer race, and a plurality of rolling elements between the inner and outer race. The method includes...
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7431193 |
Vibration stress relief of weldments
A method of stress relief for stainless steel combustion turbine components includes vibrating the components during welding at a subharmonic frequency. The proper frequency is selected to be below...
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7430910 |
Device for testing cabin parts of commercial aircrafts
A simulation arrangement is used for laboratory testing of enclosed partial cabins to be installed as resting cabins in commercial aircraft. The partial cabin is outfitted with vibration generators...
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7430483 |
Method and apparatus for diagnosing a mechanism
A method of analyzing variations in an indicator of the behavior of a mechanism, in which noise is extracted, and any discontinuities from an indicator in order to obtain a trend, variations in the...
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7428475 |
Method of processing oscillatory data
A method which permits the transformation of non-stationary response measurements into stationary data for analysis is provided. Many standard analysis techniques, particularly for oscillatory...
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7424827 |
Inspecting method of elastic body, inspecting apparatus thereof, and dimension predicting program thereof
In an inspecting method of a piezoelectric/electrostrictive actuator having a piezoelectric/electrostrictive element and two or more electrodes, the frequency response characteristics is picked up...
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7421899 |
Resonance method for determining the spring constant of scanning probe microscope cantilevers using MEMS actuators
In accordance with the invention, the spring constant of a scanning probe microscope cantilever mechanically coupled to a microelectromechanical system (MEMS) actuator may be determined in-situ...
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7412899 |
MEMS-based monitoring
A solution for monitoring a property of an object and/or an area using a Micro-ElectroMechanical Systems (MEMS)-based monitoring device is provided. In an embodiment of the invention, the...
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7409268 |
Method for actuating active vibration insulators
A method for actuating active vibration insulators includes the steps of generating an idling control signal in an idling range of a vehicle, generating a running control signal in a running range...
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7398685 |
Measuring method using surface acoustic wave device, and surface acoustic wave device and biosensor device
A measuring method using a surface acoustic wave device, with which even in a case where a target substance having a different viscosity is added to a buffer liquid on the surface acoustic wave...
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7377168 |
Wireless sensor antenna configuration
Many sensors could be used in a passive wireless mode. These include RLC, acoustic wave and magneto-elastic sensors. These types of sensors are designed to exhibit a change in fundamental frequency...
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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...
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7367242 |
Active sensor for micro force measurement
An active micro-force sensor is provided for use on a micromanipulation device. The active micro-force sensor includes a cantilever structure having an actuator layer of piezoelectric material and...
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7353708 |
Ultrasonic generator system
The system controls the frequency of an ultrasonic signal to be applied to a waveguide, such that the frequency corresponds to a preferred resonance mode of the waveguide and not to adjacent...
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7350416 |
Method for determining properties of a film, and apparatus for realizing the method
A method for determining properties or a thin film includes the steps of: providing a piezoelectric substrate; providing a slanted finger interdigital transducer unit that includes a transmitter...
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7334452 |
Method for characterizing materials by using a mechanical resonator
Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines...
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7331231 |
Apparatus and method for measuring micro mass using oscillation circuit
A micro mass measuring apparatus includes a cantilever on which a subject is attached, a piezoelectric element formed on the cantilever, an oscillation circuit for actively vibrating the cantilever...
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7322243 |
Acoustic wave etch rate sensor system
An acoustic wave sensor system for monitoring the etch rate or etch ability of a selective material has an acoustic wave sensing device having a piezoelectric substrate and at least one electrode...
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7317994 |
Method and apparatus for signal signature analysis for event detection in rotating machinery
A method for analyzing vibration including: acquiring a vibration signal; isolating a vibration signal event in the acquired signal; determining a frequency of a damped sinusoid of the vibration...
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7305883 |
Chemical micromachined microsensors
The present invention provides sensors based on micromachined ultrasonic transducer technology. The sensors preferably include a plurality of sensor elements, but may include only one sensor...
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7299678 |
Sensor apparatus
A measurement head particularly for borehole use can measure multiple parameters with no electronics in the head and only a single conductor cable. Double-ended tuning forks ( 26, 28 and 38, 40 )...
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7296472 |
Method and apparatus for acoustic sensing of structures
A method and system provides for acoustic sensing of structures, including a general shape and/or configuration of the structure and movement within the structure. Acoustic waves are used to...
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