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Patent Searching and Data


Matches 551 - 600 out of 3,940

Document Document Title
WO2003069318A3
A method for investigating the macromolecular structure of a molecular sample, the method comprising irradiating the sample with radiation having a plurality of frequencies in the range from 25GHz to 20THz; detecting radiation reflected ...  
WO2003038416A3
An apparatus (100) for measuring concentration of a material in a process fluid includes an antenna (115, 120) configured to contact the process fluid and a pulse generator (210) coupled to the antenna (115, 120) to generate a microwave ...  
WO2003009752A3
Tissue sensors house one or more sensor elements. Each element has a housing mounted substrate and a superstrate with a planar antenna between. A transitional periphery (TP) of a superstrate outer surface interconnects a base to a platea...  
WO/2003/091715A1
A sensing apparatus (100) is provided for sensing properties of a non-conductive object. The sensing apparatus includes a microwave source (60) to generate microwave signals, a transmitting antenna (2) for transmitting generated microwav...  
WO2003031958A3
Dielectric spectroscopy is carried out by coupling non­radiated microwave energy from an antenna to a sample to detect changes in the permittivity of the sample within the antenna's near field. The frequency response of the antenna exhi...  
WO/2003/085179A2
Various improvements to a spinning preparation machine for measurement of the fibre web thickness or fibre web cross-section of at least one fibre web (2) by means of one or several microwave sensors (3, 30) are disclosed. An improvement...  
WO2003050530A3
The invention relates to the use of microwaves in the spinning industry for determining the sliver mass of an elongated essentially twistless fiber assembly. The invention also relates to a method for measuring the sliver mass based on t...  
WO/2003/076916A1
An underground pipe line inside inspection device capable of searching for hollows on the outside of the underground pipe line not only in the upper direction but also in both side directions and lower direction, i.e., over all inner per...  
WO/2003/069318A2
A method for investigating the macromolecular structure of a molecular sample, the method comprising irradiating the sample with radiation having a plurality of frequencies in the range from 25GHz to 20THz&semi detecting radiation reflec...  
WO/2003/067275A2
A Moisture and Density Detector (MDD) to determine the moisture content and/or density of any dielectric material (130) for various purposes. This device is very useful in detecting the moisture content (MC) of wood and wood-based materi...  
WO2002086475A3
The present invention provides a method for detecting a molecular event, comprising (1) applying an electromagnetic test signal to a sample in which a molecular event is being detected, whereby the sample interacts with and modulates the...  
WO2003038456A3
A highly sensitive, non-contact tank probe to measure surface conductance of thin film structures, and a method for using the same, are described. The tank probe includes inductor (L), capacitor (C) and resistor (R) circuitry that is dri...  
WO/2003/060462A2
A method and system for examining tissue in order to differentiate it from other tissue according to the dielectric properties of the examined tissue, by applying a probe (10) having an outer conductor (11) and an inner conductor (12) to...  
WO2002052247A3
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 ...  
WO/2003/056316A1
The invention relates to a microwave measuring device for detecting the charge of a two-phase flow with a gaseous carrier medium containing small and minuscule solid and /or fluid particles and for detecting gas contained in a fluid flow...  
WO2003023383A3
A method of imaging a sample, the method comprising: (a) irradiating a sample with a pulse of electromagnetic radiation, said pulse having a plurality of frequencies in the range from 25 GHz to 100 THz; (b) determining a first parameter ...  
WO/2003/052865A2
The present invention consists of an RF source (1) generating RF waves at two frequencies or more. These are transmitted by an antenna (2), to a reception antenna (6), via a vessel (4) containing an aqueous solution. The reception antenn...  
WO/2003/050530A2
The invention relates to the use of microwaves in the spinning industry for determining the sliver mass of an elongated essentially twistless fiber assembly. The invention also relates to a method for measuring the sliver mass based on t...  
WO/2003/048750A1
The invention concerns a method for determining the water content (Wv%) of a material (12) using electromagnetic waves, comprising the following steps: applying an electromagnetic wave; measuring the propagation time (T) of a surface ele...  
WO2002090922A3
An apparatus for contactless measurement of carrier concentration and mobility includes a microwave source 16, a circular waveguide 50 for transmitting microwave radiation to a sample 59, such as a semiconductor wafer or panel for flat p...  
WO2002035206A3
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/2003/038456A2
A highly sensitive, non-contact tank probe to measure surface conductance of thin film structures, and a method for using the same, are described. The tank probe includes inductor (L), capacitor (C) and resistor (R) circuitry that is dri...  
WO/2003/038470A1
A value of signal level of reflected wave for transmitting a target sensing signal is modified according to a distance to a target as a threshold level, which is set in advance. By recognizing a phase difference of reflected waves from t...  
WO/2003/038416A2
An apparatus (100) for measuring concentration of a material in a process fluid includes an antenna (115, 120) configured to contact the process fluid and a pulse generator (210) coupled to the antenna (115, 120) to generate a microwave ...  
WO2002039140A3
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/2003/036224A1
A wall film monitoring system includes first and second microwave mirrors in a plasma processing chamber each having a concave surface. The concave surface of the second mirror is oriented opposite the concave surface of the first mirror...  
WO/2003/036309A1
A plasma processing system including a plasma chamber (120) having a substrate holder (128) and a monitoring system (130). The monitoring system (130) includes a microwave mirror (140) having a concave surface (142) located opposite the ...  
WO/2003/036327A1
A trigger level for which to the distance to a detected object is related to the signal level of the microwave reflected from the object is set in advance. Only when the reflected microwave having a signal level over the trigger level is...  
WO/2003/036326A1
Storage means (38A) stores “actual correlation data”. This “actual correlation data” is data on correlation of a phase difference of reflected waves set considering microwave reflection caused by an object other than a target to ...  
WO2002066983A3
A bioassay device operable to detect the presence or absence of molecular events within a test sample is presented in four embodiments: a coplanar waveguide detector, a stripline detector, a magic-t detector, and a microstrip detector. T...  
WO/2003/034051A1
Apparatus for measuring the composition and flow rate of a fluid (1) comprising a mixture of e.g. oil and water in a pipe (2), wherein an integrated mechanical structure (3) serves as a microwave resonator sensor for providing permittivi...  
WO/2003/031958A2
Dielectric spectroscopy is carried out by coupling non­radiated microwave energy from an antenna to a sample to detect changes in the permittivity of the sample within the antenna's near field. The frequency response of the antenna exhi...  
WO2003012375A3
Disclosed is a device (1) used to measure the mass flow of a particular solid (2) transported with the aid of a gas. Said device comprises a device (5) which is used to create an electromagnetic field (6), a measuring area being defined ...  
WO/2003/023383A2
A method of imaging a sample, the method comprising: (a) irradiating a sample with a pulse of electromagnetic radiation, said pulse having a plurality of frequencies in the range from 25 GHz to 100 THz; (b) determining a first parameter ...  
WO/2003/019207A1
Apparatus and methods of obtaining information concerning a substance (57) is provided by applying pulses (91, 92, 93) of electromagnetic energy to the substance (57) and evaluating the response of the substance to the electromagnetic en...  
WO/2003/016887A2
The invention makes it possible to detect cellular activity without knowing specifically what activity is being detected, although detection of specific activity is possible. The assay comprises coupling an electromagnetic test signal in...  
WO/2003/014717A1
An absorption power measuring device which comprises an electromagnetic field probe (1) fixed in a head−simulated phantom (2) simulating the shape and electromagnetic characteristics of the head of a human body, and which measures by t...  
WO/2003/012375A2
Disclosed is a device (1) used to measure the mass flow of a particular solid (2) transported with the aid of a gas. Said device comprises a device (5) which is used to create an electromagnetic field (6), a measuring area being defined ...  
WO/2003/009753A2
A method of detecting a change (that is, an increase or a decrease) in the level of fluid in tissue in a first area of a body includes the steps of: applying electromagnetic energy, preferably in the frequency range of approximately 300 ...  
WO/2003/009752A2
Tissue sensors house one or more sensor elements. Each element has a housing mounted substrate and a superstrate with a planar antenna between. A transitional periphery (TP) of a superstrate outer surface interconnects a base to a platea...  
WO/2003/008532A1
Apparatus and method of exposing a chemical, biological or biochemical sample to radiation. A sample in liquid or vapour phase is segmented and conveyed along a sample path. At least one generator or source for generating electromagnetic...  
WO/2003/005008A1
There is disclosed a method of estimating moisture content in a material involving directing a first frequency (f¿1?) signal and a second frequency (f¿2?) signal through a material, determining a first absolute phase shift ($g(F)¿1?) ...  
WO/2002/103358A1
A system and method for detecting a molecular event in a test sample using a resonant test structure is presented. The method includes providing a resonant test structure having a resonant response associated therewith. Next, a first res...  
WO2002063276A3
The invention relates to a device and a method for producing samples from predominantly dust-like and dry material, especially dust-like residues of combustion such as filter ash or flue ash, for determining the residual carbon content b...  
WO2001020329A9
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...  
WO2002057762A3
The invention relates to a resonant microwave sensor (1) for determining properties of a material (3) to be examined. These properties are determined by a high-frequency measuring of a reflection factor (r) of a high-frequency resonance ...  
WO/2002/097411A1
A method and an apparatus is described to measure at least one physical parameter of a substance such as moisture and salt content. This is done by transmitting a microwave beam through the material to be measured and detect only a refle...  
WO2002068948A3
A method and system for implementing magnetostrictive sensor techniques for the nondestructive evaluation of pipeline structures. The system consists of a magnetostrictive sensor instrument unit, a data storage unit, and a plurality of m...  
WO2002046748A3
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/2002/090922A2
An apparatus for contactless measurement of carrier concentration and mobility includes a microwave source (16), a circular waveguide (50) for transmitting microwave radiation to a sample (59), such as a semiconductor wafer or panel for ...  

Matches 551 - 600 out of 3,940