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Patent Searching and Data


Matches 601 - 650 out of 3,825

Document Document Title
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...  
WO/2001/020311A1
The present invention relates to an apparatus for detection of foreign bodies or changes in material properties and contents in a product, comprising a first antenna device for transmitting electromagnetic signals in the microwave range,...  
WO/2001/020312A2
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/2001/020352A1
A near-field scanning microwave microscope images the permittivity and dielectric tunability of bulk and thin film dielectric samples on a length scale of about 1 micron or less. The microscope is sensitive to the linear permittivity, as...  
WO2001007909B1
The present invention relates to an apparatus devoted to multiple use: preventive diagnostics in medical field, as the precocious diagnosis of anomalies of the woman breast, of the reproductive organs, and of many biological human and an...  
WO/2001/018533A1
Radar apparatus and methods of use thereof for imaging and/or spectrometric analysis. The invention employs pulsed radar signals for magnifying, imaging, scale measuring, identifying and/or typecasting the composition of substances by ra...  
WO/2001/007909A1
The present invention relates to an apparatus devoted to multiple use: preventive diagnostics in medical field, as the precocious diagnosis of anomalies of the woman breast, of the reproductive organs, and of many biological human and an...  
WO/2001/006242A1
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/2001/006268A1
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-assist...  
WO2000002017A8
The invention relates to a method and an arrangement for measuring a fluid. Electromagnetic radiation is used to measure the consistency, flow and/or gas content of a fluid flowing in a process pipe (102). At least two of the measurement...  
WO/2001/004610A2
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...  
WO/2001/004659A1
A millimetre-wave radar and at least one infrared-laser radar are combined, in order to detect the condition of the carriageway in the direction of travel of a motor vehicle in advance. The echo signals of the radar sensors are combined ...  
WO/2001/002841A1
The invention relates to a method and a measuring device for measuring the consistency of a web (112) on a former of a paper machine, the web (112) being in contact with a wire (114). In the measurement, microwave radiation (122) is tran...  
WO/2000/079248A1
The timing at which a probe light beam is projected to an optical switch device of a terahertz wave detector for detecting a terahertz wave emitted from a terahertz wave generator and transmitted through a sample is vibratingly varied by...  
WO2000055606A3
An instrument (10) is provided for the measurement of the mass of a fibrous material (11) for the correct control of production processes of fibrous materials such as textiles, wood, tobacco and paper so as to reduce unacceptable product...  
WO/2000/077501A1
This method is for in situ or off line measurement of relative permittivity ($g(e)) and dissipation factor or loss tangent (tan $g(d)) of circuit board substrates, ceramic substrates, ceramic and any insulating or low conductivity bulk m...  
WO/2000/075645A2
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/2000/067013A1
A method and apparatus for measuring a predetermined parameter having a known relation to the transit time of movement of an energy wave through a medium by: transmitting from a first location (A) in the medium a cyclically-repeating ene...  
WO2000009983A3
A method and a device which can be used to measure the moisture content and the internal structure of material on a tobacco bale (12), or of a bulk volume of material such as loose tobacco leaves (14), by using microwave radiation. A mic...  
WO/2000/055582A1
An electrical circuit (115) provides a variety of stable and reliable bias voltages to accommodate the bias requirements of various sensor types. The electrical circuit comprises a programmable analog circuit (205) capable of maintaining...  
WO/2000/055606A2
An instrument (10) is provided for the measurement of the mass of a fibrous material (11) for the correct control of production processes of fibrous materials such as textiles, wood, tobacco and paper so as to reduce unacceptable product...  
WO2000026848A9
An apparatus for shooting (300). The apparatus includes a gun (302). The apparatus includes a controller connected to the gun which controls whether the gun can fire (304). The apparatus includes a mechanism for determining a present bio...  
WO2000016078A9
An apparatus for measuring the composition of coal and mineral ores on-line, by bombarding a sample stream with low energy X-rays and measuring the characteristic X-rays fluoresced. The assembly is comprised of one or more X-ray generato...  
WO/2000/052453A2
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/2000/046545A1
Method for surveillance/monitoring of flow parameters in a pipeline, e.g. for oil or gas, and for detecting formation of hydrate plugs in such a pipeline. The method includes the steps of establishing a wave source/signal transmitter for...  
WO1999040409A3
A toploading weighing apparatus (240) which determines weight loss on drying by a cylindrical microwave (260).  
WO/2000/043806A1
Disclosed is a method of using a low power radar level transmitter to calculate a dielectric constant of a product in a tank. Low Power Time Domain Reflectometry Radar (LPTDRR) circuitry is controlled to calculate a time delay between tr...  
WO/2000/043759A1
An apparatus is disclosed for determining dielectric properties of an electrically conductive fluid. The apparatus comprises an electromagnetically resonant cavity (2, 4, 6, 8) which may form part of a pipeline. An insulating layer (14) ...  
WO/2000/029837A1
A microwave receiving antenna system (30) is described which is used to determine an originating direction of microwave radiation. The system has a birefringement phase plate (34) which splits radiation incident on it into two components...  
WO2000009983A8
A method and a device which can be used to measure the moisture content and the internal structure of material on a tobacco bale, or of a bulk volume of material such as loose tobacco leaves, by using microwave radiation. A microwave rad...  

Matches 601 - 650 out of 3,825