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WO/2004/068405 |
A method of enhancing detection for a specific object in a body. A nanoparticulate is administered to the body for location in an area to be explored for detection of the object, if present. The nanoparticulate is at least partially meta...
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WO/2004/065918 |
The method serves to determine the vibrational state of turbine blades (4), arranged on a rotor shaft, mounted such as to rotate in a housing and/or of guide vanes. At least one electromagnetic wave (31) is transmitted into a flow channe...
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WO/2004/066406 |
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WO/2004/065927 |
In the method of detecting a sun gear fault, in the operation of an epicyclic gear train having ring, planet and sun gears, and a planet carrier, the steps that include detecting sun gear vibrations transmitted through each planet gear, ...
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WO/2004/066353 |
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WO/2004/063680 |
The Multiple Discriminant Analysis system described provides three parameters: (1) a Dynamic Force Factor (DFF) that characterizes the dynamic forces which act to reduce operational life of the bearing; (2) a Bearing Degradation Factor (...
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WO/2004/061427 |
A measuring method and device for the vibration frequency of a multi-cantilever which eliminate the need of incorporating an exciting or detecting element in each cantilever and simplify the structure of cantilevers by means of optical p...
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WO/2004/059399 |
A vibrational analysis system diagnosis the health of a mechanical system by reference to vibration signature data from multiple domains. Features are extracted from signature data by reference to pointer locations. The features provide ...
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WO/2004/053435 |
The invention relates to a device for registering and reproducing noises, in particular for analysing acoustic components in motor vehicles. According to the invention, at least two microphones are placed in the vicinity of both ears of ...
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WO/2004/054316 |
A resonance frequency sensor (20) comprises sound source means (21), signal combining switch means (26, 27) and measuring means (25). The signal combining switch means (26, 27) switch between a first status of outputting a measurement si...
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WO/2004/051203 |
The invention relates to an optical hydrophone for the measurement of the acoustic pressure distribution in a fluid medium (10), in particular, for the determination of an ultrasound shock-wave field, comprising a light source (2), for t...
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WO/2004/046506 |
An apparatus and method is disclosed for measuring ultrasound drilling mud velocity downhole in real time. One or more generated acoustical pulses are detected upon traversing two separate path lengths, and ultrasonic velocity is determi...
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WO/2004/046668 |
A horizontal ground motion detector comprises a horizontal pendulum (24) having a forward end where a weight (26) is arranged and a base end, supported by an X−shaped hinge (23), so as to be oscillated in a horizontal plane around the ...
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WO/2004/046669 |
A sensor (10), for measuring the speed of sound in a gas. The sensor has a helical coil, through which the gas flows before entering an inner chamber. Flow through the coil brings the gas into thermal equilibrium with the test chamber bo...
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WO/2004/042425 |
A vibration sensing device, package and system and a method of manufacturing a vibration sensing device are disclosed. The vibration sensing device comprises a body (11) whose geometry is such that it exhibits flextensional properties.
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WO/2004/043111 |
An automotive sound pressure level (SPL) meter is described that includes a means for mounting the SPL meter within an motor vehicle to measure motor vehicle audio system SPL values within the motor vehicle. The automotive SPL meter incl...
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WO/2004/040246 |
The invention relates to a method for assessing interfering noise in motor vehicles, according to which noise occurring during a predefined measuring time is divided into different frequency ranges, the changes in level relative to the b...
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WO/2004/040261 |
A multi-channel acoustic measurement device, which includes a plurality of acoustic detectors (3) and dual temperature control (1, 2). The device employs piezoelectric crystal (21) as the sensing material in the detectors and has an appr...
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WO/2004/038427 |
A system and method for measuing acceleration using a fiber optic accelerometer having a pair of fiber optic coils positioned around a deformable support structure. The support structure possesses a nominally cylindrical shape with the f...
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WO/2004/038346 |
The invention concerns a testing device comprising: a vibratory signal sensor (110) delivering a time-based signal, means for extracting characteristics (120, 122) which retrieves from the time-based signal at least one time/frequency di...
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WO/2004/036157 |
The invention relates to a method for controlling the quality of a unit such as an electric motor having at least one moving part, which can move with different frequencies within a given frequency range and which is capable of setting t...
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WO/2004/032722 |
An imaging system includes: an object wavefront source (12) and an optical microscope objective (4) all positioned to direct an object wavefront onto an area of a vibrating subject (6) surface encompassed by a field of view of the micros...
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WO/2004/034527 |
Sensors are provided which enable detection with a high sensitivity in microchemistry and biochemical analysis by using devices integrated into a compact configuration and can be freely disposed on desired positions of a channel to perfo...
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WO/2004/034096 |
An array of fiber optic hydrophones (30) is formed by winding of optical fiber around a continuous, yet flexible cylindrical core (31). The cylindrical core contains an elastomer filled with a specified percentage of voided plastic micro...
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WO/2004/032746 |
This document discusses, among other things, an imaging guidewire that includes one or more optical fibers communicating light along the guidewire. At or near its distal end, one or more blazed or other fiber Bragg gratings (FBGs) direct...
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WO/2004/032050 |
Apparatus and methods for performing a Fourier transform mechanically, using an array (300) of one or more resonators (302). By tuning the resonators so that their natural frequencies correspond to harmonics of an input signal, the vibra...
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WO/2004/029564 |
A robotic ultrasonic inspection vehicle is provided with one or more transducers which are driven by a long, broadband excitation pulse for insonifying a sample subject to inspection. Preferably the long, broadband excitation pulse is ch...
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WO/2004/029563 |
A specific failure occurring during operation of a technical installation is detected by acquiring an acoustic and/or optical signal (10,14) emitted by a device (8,16) assigned to at least one component (5,19) of the technical installati...
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WO/2004/029775 |
A song data downloading system and method of dispensing music are provided for use with a music data server and a musical jukebox 10. A song selection device 28 and a control 38 are provided. The control 38 is operable to receive a user ...
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WO/2004/025232 |
The invention relates to a method and a device for detecting oscillations of the shafting of an electric machine, according to which the shaft voltage (Us(t)) and/or the shaft current (Is(t)) is/are measured and analyzed regarding compon...
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WO/2004/020112 |
The present invention provides an apparatus and method for measuring the properties of blood using ultrasound. The present invention is particularly suitable for measuring HCT, HGB, MCV, RBC, MCHC or TPC of blood.
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WO/2004/021298 |
A P-wave sensing apparatus (10) including a printed circuit board (12) having mounted thereon from one to three orthogonally disposed miniature sensors (16, 18, 20) that function as inertia monitoring devices with respect to motion of th...
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WO/2004/021016 |
The invention relates to an inertial sensor based on the magnetic levitation of an inertial mass comprising an active magnetic bearing unit arranged in such a way as to levitate the inertial mass and characterized by the fact that it fur...
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WO/2004/018963 |
The invention concerns a method for examining the surface of samples using a scanning microscope (SEM) comprising a flexible beam with longitudinal extension, whereof the longitudinal measuring tip is arranged precisely relative to a sam...
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WO/2004/018980 |
A directionally-sensitive device (10) for detecting and processing vibration waves includes an array of polymeric optical waveguide resonators (28) positioned between a light source (24), such as an LED array (24), and a light detector (...
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WO/2004/018981 |
The subject of the invention is a method for detecting and automatically identifying defects in technical equipment, applicable in diagnosing defects in technical equipment, and especially rotational machinery. The method consists in mea...
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WO/2004/017038 |
This invention is a portable tool of diagnostics for industrial rotating machine (1). The tool is constituted by a parabolic-shape collector (2) of sound wave, a microphone (3), a supporting block (4), a handle (5), an electronic amplifi...
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WO/2004/017033 |
A vibration information transmission apparatus for improving efficiency of field wiring of a vibration monitoring&sol analyzing system includes transmitters (11−1 to n) for converting vibration information from vibration sensors (2−1...
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WO/2004/016036 |
There is described a micromachined ultrasonic transducers (MUTS) and a method of fabrication. The membranes of the transducers are fusion bonded to cavities to form cells. The membranes are formed on a wafer (11) of sacrificial material....
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WO/2004/013589 |
A vibration detecting method capable of detecting cracks produced in a building and degradation of a rotating machine from observed waveform with excellent accuracy and stability. A vibration inspection device for detecting degradation o...
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WO/2004/012155 |
A method and device 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), wherein a measured value reflecting the con...
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WO/2004/010730 |
An ultrasound transducer for an electronic device, including a housing (101) and an ultrasonic transducer element (110) integrated with the housing (101). The transducer element (110) is capable of operating in at least one of a receiver...
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WO/2004/003541 |
Ultrasonic waves are generated at a surface of an object (12) using a pulsed laser beam (18). The beam (18) is incident on the surface at two separate locations (14, 15) at a fixed separation (S). This may be achieved using a beam splitt...
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WO/2004/001961 |
A method for sensing acoustic energy as the energy passes from a more (dense10) to a less dense medium (20) while compensating for energy level loses that may have occurred along the acoustic path of the acoustic energy. The method may b...
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WO/2004/001353 |
The disclosure relates to a method and an apparatus for sensing and indicating permanent state deviations via detection of temporary inner material oscillations in real time in parts of importance for hardware design and construction, wi...
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WO/2003/106960 |
Condition of foreign substance mixing in lubricant and condition of degradation of the lubricant, which conditions greatly affect the life of a rolling element bearing, are economically detected using a resonance frequency band signal or...
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WO/2003/106940 |
A vibration protections structure for fibre optic sensors and/or sources, and in particular fibre-laser hydrophones, from vibrations passing along a coupling optical fibre. The vibration protection structure comprises a cage like structu...
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WO/2003/099132 |
The ultrasonic probe comprises a reception zone (2) consisting or a plurality of signal receivers (4), located between two transmission zones (1). In order to evaluate the signal propagation speed along an interface to be examined, for e...
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WO/2003/099133 |
The invention concerns a method which consists, by means of a probe comprising at least one ultrasound transmitter (3) and a series of receivers (4) distributed relatively closely along the propagation direction, in applying ultrasonic e...
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WO/2003/100363 |
A laser light amplification system that amplifies a laser beam emitted from a source as low-amplification seed laser light signal. The low-amplification seed laser light signal is amplified by stimulating emissions of the population inve...
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