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Patent Searching and Data


Matches 601 - 650 out of 3,894

Document Document Title
WO/2002/052247A2
A corrosion sensor 2 and method for its use to detect and determine the, type, location, size and growth rate of corrosion of metals and the like in a corrosive environment. The corrosion sensor 2 can distinguish between different types ...  
WO2001036951A3
A novel microwave sensor (10, 60, 70, 90, 200, 250, 280) provides low-cost, robust measurement of the electrical properties of fluid substances. The sensor is suitable for use in an industrial vessel or pipe and employs parallel electric...  
WO2002001212A3
A method and associated apparatus are disclosed for microwave assisted content analysis. The method includes the steps of applying microwave radiation to a sample while concurrently rotating the sample while the microwave radiation is be...  
WO/2002/046748A2
A compact sensor for detection of chemical and/or biological compounds in low concentration. The sensor comprises electro-magnetic microcavities. The agent to be detected passes the microcavities, is absorbed and/or absorbed by the micro...  
WO/2002/046357A1
A coplanar waveguide (10) for use in dielectric spectroscopy of biological solutions is described. The waveguide's (10) inner conductor (16) can have a small gap (20) and a sample containing space (18) is laid over the gap. The sample co...  
WO/2002/039140A2
A harmonic radar nonlinear junction detector system for detecting concealed weapons, electronics, and other man-made objects utilizing state-of-the art wireless technology, circuit fabrication, signal synthesis, and computer processing t...  
WO/2002/035206A2
The dynamic fluidized-bed level in an olefin polymerization reactor is determined by radar or ultrasound waves. Echoes are processed to take into account the turbulence caused by bubbles, which can be as large as four meters in diameter,...  
WO/2002/031524A1
A method of measuring ferromagnetic resonance properties of a structure comprising a non-ferrous material reinforced with steel members, the method comprising applying a magnetic field to the structure using a magnet located adjacent the...  
WO2002008794A3
An electrical property imaging system includes an array of sensors placed around an object to measure the surface charges thereon as a sinusoidal voltage is applied thereacross. The resulting distribution of charges inside the object are...  
WO/2002/031479A1
A generator (6) directs microwave signals to a waveguide (1) having a linear array of slots (2), and the signals are received by measuring means (5). The local permittivity or moisture content of material adjacent the waveguide (1), such...  
WO/2002/031522A1
Apparatus and method for MRI imaging using a coil constructed of microstrip transmission line (MTL coil) are disclosed. In one method, a target is positioned to be imaged within the field of a main magnetic field of a magnet resonance im...  
WO2001027610A3
A molecular detection system for detecting the presence or absence of a molecular event within a test sample includes a fluid reservoir, a signal source, a measurement probe, and a signal detector. The measurement probe includes a probe ...  
WO2001075475A3
Disclosed is a method for detecting the presence of a twin peak pulse (60) in a waveform (40), generated by a microwave level transmitter (10), that is used to detect levels of first and second material interfaces (18, 20) relating to ma...  
WO/2002/021147A2
A microwave microscope having a resonant slit (60) formed in a highly conductive end (58) of a microwave waveguide forming a probe tip (50). A short dielectric rod (54) is fit into the waveguide near its conductive end (58). A longer die...  
WO/2002/018920A1
The present invention relates to a device for measuring the distribution of selected properties of materials, said device comprises an emitter of electromagnetic radiation and furthermore at least one sensor of a first type. The emitter ...  
WO/2002/016931A1
Apparatus for measuring the relative proportions of dissimilar fluids in a pipe (2) includes a variable frequency source (6) of electromagnetic radiation, arranged to send radiation into a coil resonator (1), which is helically wound aro...  
WO/2002/016962A1
A lightweight, low-cost electromagnetic wave radar antenna is provided which enables a precise measurement by adjusting the frequency of an electromagnetic wave radiated from the antenna to an object frequency, while reducing unwanted ra...  
WO/2002/014847A1
Apparatus (1) for determining material characteristics of an object (2) is provided, the apparatus including at least one microwave sensing system including generating means (3) and transmitting means (4) for generating and transmitting ...  
WO/2002/014848A1
A method for measuring the moisture content during drying of an organic material, by which the moisture content in the material is determined based on the dielectric properties of the material, and by which electromagnetic radiation is e...  
WO2001020329A3
A bio-assay test system includes a test fixture, a measurement system, and a computer. The test fixture includes a bio-assay device having a signal path and a retaining structure configured to place a sample containing molecular structur...  
WO2001035119A3
A passive microwave icing avoidance system (MIAS) senses atmospheric conditions that lead to aircraft icing when the aircraft is flying at an altitude abover the earth's surface. The MIAS includes a 37 GHz receiver and an 89 GHz receiver...  
WO/2002/009539A1
The invention relates to a method for detecting and selecting foreign bodies in cigarettes. The tobacco is exposed to a microwave beam in the cigarette machine, and a signal S¿D? relating to the density of the tobacco as well as a signa...  
WO/2002/010709A2
Non invasive pipe (140) inspection. The system includes a processor (110), an analyzer (120), and a wave launcher (130). The wave launcher is adapted to transmit an input wideband waveform - centerfrequency 800 MHz - having a selected in...  
WO2001061745A3
The invention relates to a method and arrangement for passivating the surface of semiconductor samples in which, simultaneously to passivation, the life-time of free carriers is also determined by illuminating the semiconductor sample by...  
WO/2002/008794A2
An electrical property imaging system includes an array of sensors placed around an object to measure the surface charges thereon as a sinusoidal voltage is applied thereacross. The resulting distribution of charges inside the object are...  
WO/2002/007865A1
The invention relates to a method for the identification of substances, the determination of their molecular characteristics and the handling of said substances for isolating or concentrating them from mixtures or solutions. The inventiv...  
WO/2002/001211A1
A microwave resonator apparatus (35) includes a microwave resonant cavity (36) in fluid communication chamber (38) are dimensioned to ensure high attenuation of resonant electromagnetic fields without impeding fluid flow. The resonant pr...  
WO/2002/001212A2
A method and associated apparatus are disclosed for microwave assisted content analysis. The method includes the steps of applying microwave radiation to a sample while concurrently rotating the sample while the microwave radiation is be...  
WO/2001/098777A1
in order to measure at least one parameter of a mixture of support, water and gas, the permittivity value of the mixture is measured at various frequencies by means of a network analyser (1) and a sensor. The measurements are used to for...  
WO/2001/092861A2
A sensor for measuring the dielectric constant of a fluid, for example an oil/water mixture, uses time of flight measurements. The sensor has a conduit for the fluid, preferably a transmission line. The dielectric constant of the fluid a...  
WO/2001/088513A1
A method for measuring properties of a flowing fluid composition comprising at least two different components, while the fluid composition is flowing through a duct or channel, which flow meter comprises: at least one sensor (2, 3) in th...  
WO2001020312A3
A volatiles analyzer is disclosed that includes a source of microwave radiation that can selectively produce at least one predetermined frequency of microwave radiation. A cavity is in communication with the source. The analyzer includes...  
WO/2001/075475A2
Disclosed is a method for detecting the presence of a twin peak pulse (60) in a waveform (40), generated by a microwave level transmitter (10), that is used to detect levels of first and second material interfaces (18, 20) relating to ma...  
WO/2001/073414A2
A method of measuring the concentration of water in an ion exchange membrane cmprising: (i) measuring the absorbance of electromagnetic radiation transmitted through the membrane, said electromagnetic radiation comprising at least one fr...  
WO/2001/067056A1
There is disclosed an apparatus (5, 105) for measuring a temperature of an object (14, 114) and comprising: means for establishing a standing wave pattern of radiation emanating from the object (14, 114), and means for coupling (12, 112)...  
WO/2001/061745A2
The invention relates to a method and arrangement for passivating the surface of semiconductor samples in which, simultaneously to passivation, the life-time of free carriers is also determined by illuminating the semiconductor sample by...  
WO2001004610A3
The invention relates to a method and an arrangement for measuring the recombination lifetime of minority carriers in semiconductors. According to the method the semiconductor is illuminated by pulses of a light source, and the time depe...  
WO2000075645A3
The invention relates to a stray field probe for measuring the dielectric properties of materials. Said probe comprises generating elements for generating an electric field and shielding elements to shield the generated electric field. S...  
WO/2001/050114A2
The invention relates to a device for detecting munitions, drugs, explosives, hand grenades, mines and atomic substances using at least a high-frequency transmitter and receiver, a memory and a processor, or programmable module. Accordin...  
WO/2001/046681A1
A soil water content measuring method and device capable of pF value-based irrigation control in cultivation in soil, and an irrigation control method and device capable of pF value-based irrigation control based on the measuring method ...  
WO2001006242B1
A variable-frequency microwave generator (12) generates an electromagnetic field in a microwave resonance chamber (1) in which there are situated a sample-carrier chamber (3) not absorbing microwaves and an open capacitive antenna (2), t...  
WO/2001/042737A1
A non-invasive sensor suitable for measuring the depth of fat in animal tissue is described, the sensor generating and transmitting focussed discrete narrow band microwave signals into the tissue, receiving reflected microwave signals fr...  
WO/2001/036951A2
A novel microwave sensor (10, 60, 70, 90, 200, 250, 280) provides low-cost, robust measurement of the electrical properties of fluid substances. The sensor is suitable for use in an industrial vessel or pipe and employs parallel electric...  
WO/2001/035119A2
A passive microwave icing avoidance system (MIAS) senses atmospheric conditions that lead to aircraft icing when the aircraft is flying at an altitude abover the earth's surface. The MIAS includes a 37 GHz receiver and an 89 GHz receiver...  
WO2000052453A3
The aim of the invention is to provide a method for precisely determining the characteristics of a medium, e.g. a medium for treating semiconductor substrates, in a simple and cost-effective manner. To this end, a high-frequency alternat...  
WO/2001/027610A2
A molecular detection system for detecting the presence or absence of a molecular event within a test sample includes a fluid reservoir, a signal source, a measurement probe, and a signal detector. The measurement probe includes a probe ...  
WO/2001/025762A1
An apparatus and method for determining the phase volume fractions for a multiphase oil well effluent is disclosed. The apparatus measures multiple energy gamma ray attenuations through the effluent mixture, and the method determines the...  
WO1999020982A3
The present invention is directed to a system for measuring physical characteristics of a plurality of materials having boundaries between them which are stored in a vessel (1) having predetermined physical dimensions, which includes a t...  
WO2001006268A8
A method and system for measuring at least one of a plasma density and an electron density (e.g., in a range of 10<10> to 10<12> cm<-3>). Measurement of at least one of the plasma density and the electron density enables plasma-assisted ...  
WO/2001/020329A2
A bio-assay test system includes a test fixture, a measurement system, and a computer. The test fixture includes a bio-assay device having a signal path and a retaining structure configured to place a sample containing molecular structur...  

Matches 601 - 650 out of 3,894