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Match Document Document Title
9013191 Microwave cavity with dielectric region and method thereof  
A method and apparatus for obtaining dielectric constant and other measurements of a sample, comprising an open cavity resonator; a microwave energy generator for creating a resonating microwave...
8912805 Device and method for processing and measuring properties of a moving rod of material  
Device for processing and measuring properties of a moving rod of material of the tobacco processing industry includes a microwave resonator structured and arranged so that the rod of material is...
8693158 Compact electronic reverberation chamber  
A method and apparatus provide an improved EM reverberation chamber which facilitates the dynamic three dimensional (3D) manipulation of EM field polarization within the chamber and produces a...
8624612 RF non-contact thin film measurement using two port waveguide  
The system disclosed herein for non-destructively testing a resistive film includes first and second waveguides that are gapped apart from each other. The resistive film is disposed between the...
8604772 MEMS-based resonant tunneling devices and arrays of such devices for electric field sensing  
A sensor assembly for electric field sensing is provided. The sensor assembly may include an array of Micro-Electro-Mechanical System (MEMS)-based resonant tunneling devices. A resonant tunneling...
8410792 Resonator arrangement and method for analyzing a sample using the resonator arrangement  
A resonator arrangement has a conductive, semi-open outer housing, at an interior of which a conductive bar is provided disposed coaxially to the housing. At one end of the bar in a direction of a...
8384396 System and method for measuring retentate in filters  
A system and method for determining loading of a filter having a first dielectric constant with a material having a different dielectric constant, is disclosed. The filter is contained within a...
8384397 Method and system for controlling filter operation  
A particulate filter control system and method for controlling the same is disclosed. The particulate filter load monitoring system may transmit radio frequency signals through the resonant cavity...
8337428 Zero-crossing receiver for orthopedic parameter sensing  
A sensor system uses positive closed-loop feedback to provide energy waves into a medium. It comprises a transducer (604), a propagating structure (602), and a transducer (606). A parameter is...
8335650 Methods and apparatus to determine phase-change pressures  
Example methods and apparatus to determine phase-change pressures are disclosed. A disclosed example method includes capturing a fluid in a chamber, pressurizing the fluid at a plurality of...
8334727 Microwave cavity sensor  
Apparatus comprising: a radio frequency (RF) Robinson oscillator comprising: a resonator comprising a sensor rhumbatron, the sensor rhumbatron comprising a cavity member, the cavity member having...
8324975 Propagation tuned oscillator for orthopedic parameter measurement  
A measurement system for capturing a transit time, phase, or frequency of energy waves propagating through a propagation medium (702) is disclosed. The measurement system comprises two different...
8022713 Method for measuring antenna characteristics out operational frequency range of chamber  
There is provided to a method for measuring antenna characteristics operating in an out-of-operational frequency range of a chamber, in the chamber having a predetermined operational frequency...
8008928 Apparatus and method for the measurement of mass and/or moisture of dielectric objects  
An apparatus for the measurement of mass and/or moisture of dielectric objects, with an analysing unit, at least one high frequency generator, at least one high frequency detector and with a high...
7952365 Resonator, printed board, and method for measuring complex dielectric constant  
A plurality of through-hole vias connected to conductor layers is disposed with gaps left between these vias around opening parts disposed in the conductor layers in a printed board in which these...
7898265 Microwave paint thickness sensor  
A microwave paint thickness sensor includes a single cylindrical cavity, a microwave source, and a signal detector. The cylindrical cavity is open at one end, the open end having a choke joint for...
7855564 Acoustic wave device physical parameter sensor  
An acoustic wave sensor employs an electromagnetic device (EMD) to transduce and amplify the response of an impedance element to a physical measurand. A measurand is defined as a physical...
7804406 Quality control system of concrete and cement products using wireless IC tag  
A quality control system of concrete and cement products is provided in which the manufacturing information on cement products of mortar or concrete can be checked at any time, the reliability is...
7800378 Microwave resonator for or on a textile machine, especially a card, draw frame, combing machine or the like  
A microwave resonator for or on a textile machine, especially a card, draw frame, combing machine or the like, for attachment to a measuring device for measuring the mass and/or moisture content...
7793664 Apparatus and method for detection and segregation of faulty cigarettes  
Apparatus and method for detection and segregation of faulty cigarettes in a production/packaging installation for cigarettes having an apparatus by means of which faulty cigarettes are segregated...
7755367 Silicon MEMS resonators  
The invention relates to MEMS resonators. In one embodiment, an integrated resonator and sensor device includes a micro-electromechanical system (MEMS) resonator, and an anchor portion coupled to...
7755368 Method and device for measuring mass and/or moisture of the content of capsules  
A Method and an apparatus for measuring the mass and/or moisture of the contents of incompletely filled capsules, containing, in particular, medicinal products, pharmaceutical products, vitamins...
7602193 RF waveguide mode suppression in cavities used for measurement of dielectric properties  
The exemplary embodiments of the invention provide techniques that assist in the absorption, reduction or elimination of the resonance of unwanted cavity modes in a cavity measurement system, such...
7554339 Electromagnetic testing of an enclosure or cavity using a discrete frequency stir method  
The “discrete frequency stir” (DFS) method provides improved mode stir testing of electromagnetic characteristics of an enclosure/cavity. Adequate sampling of the electric field inside the...
7548072 Potential separation for filling level radar  
Both in potential separation in the microwave path, and in potential separation directly between the two-wire loop and the output circuit, the quality of signal transmission may be negatively...
7535236 Method of measuring thickness of thin film using microwave  
The present invention relates to a thickness measurement method for thin films using microwaves. In the method, the Q-factors of a dielectric resonator are measured. The effective surface...
7532015 Microwave spectroscopy probe  
A microwave spectroscopy probe has a center conductor between a first ground plane and a second ground plane. A dielectric member has fluid channel between the center conductor and the first...
7514269 Precision adaptable chemical spectrometer  
The invention is directed to a spectrometer for measuring submillimeter absorption. The spectrometer may include a solid state exciter generating a submillimeter wave and sweeping a predetermined...
7449893 Harmonic load pull tuner with resonant prematching module  
A harmonic rejection load pull tuner uses a resonant pre-matching module in order to enhance the reflection factor (tuning range) at the fundamental frequency without affecting the tuning range at...
7362108 Method and system for measurement of sidewall damage in etched dielectric structures using a near field microwave probe  
By using techniques for near field probes to measure dielectric values of blanket films, the measure of the sidewall damage of the patterned structure is calculated. The interaction between the...
7239150 Pavement material microwave density measurement methods and apparatuses  
A method of obtaining a material property of a pavement material from a microwave field generally includes generating a microwave frequency electromagnetic field of a first mode about the pavement...
7199591 Method of measuring relative dielectric constant of dielectric substance of powders, cavity resonator used in the same, and application apparatus  
A relative dielectric constant of a mixed substance consisting of powders and a liquid medium is calculated, and then the relative dielectric constant of the mixed substance or a relative...
7173435 Thickness measuring apparatus and method using a microwave cavity resonator  
A measurement device for measuring a thickness of a film layer over a substrate utilizes a microwave source and a resonant cavity having an open side. A microwave signal is introduced at a first...
7135869 Thickness measuring systems and methods using a cavity resonator  
Film thickness measurement systems and methods are provided that utilize a signal generator having a Gunnplexer design and a resonant frequency detector to correlate the shift in resonant...
7132836 Microwave measuring arrangement for product density measurement  
The invention relates to a measuring arrangement for measuring the density of a product by means of microwaves. The measuring arrangement comprises a first microwave resonator, from which, in...
7105787 Reverberating adaptive microwave-stirred exposure system  
A method and apparatus for adaptively maintaining the power-frequency spectrum in a reverberation chamber. The invention is thus capable of maintaining a relatively constant power-frequency...
7068048 Microwave sensor for measuring a dielectric property of a product  
The application relates to a microwave sensor for measuring a dielectric property, especially the density and/or moisture content of a product, having a microwave resonator, wherein a product...
7057398 Microwave spectrometer  
An improved microwave spectrometer for measuring the concentration of ethylene oxide gas and the concentration of water vapor in one or more gas samples taken from an ethylene oxide sterilization...
7034549 Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles  
A measuring system is disclosed which detects and measures the volume concentration and mass flow of the airborne conductive particles, such as carbon-absorptive chaff particles. The measuring...
6989675 Method and apparatus for precision measurement of film thickness  
An apparatus for measuring thickness in super-thin films consists of a special resonator unit in the form of an open-bottom cylinder which is connected to a microwave swept frequency microwave...
6954077 Apparatus and method for improving microwave coupling to a resonant cavity  
An equipment status monitoring system (10) and method of operating includes first (40) and second (50) microwave mirrors in a plasma processing chamber (20) each forming a multi-modal resonator. A...
6922061 Method of detecting foreign bodies in mass streams  
The method of detecting foreign bodies in continuous mass streams of fibrous material, strand-like material or material similar to bulk goods with the aid of microwaves, in which the mass flow is...
6879166 Microwave measurement of phase equilibria  
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...
6864690 Apparatus for precision measurement of microwave material properties as functions of temperature and frequency  
Apparatus for the precise positioning of a sample of dielectric material into a cavity resonator system for obtaining dielectric constant, and other measurements. Precision micrometer drive units...
6837122 Device and method for detecting the mass and the moisture content for spinning preparation machines  
The device for measuring the mass and/or the moisture of a material running through a spinning preparation machine is distinguished in that it has a microwave resonator (15, 18) and associated...
6776261 Lubricant monitoring system  
An apparatus is disclosed for monitoring characteristics of a fluid lubricant contained within a lubricant chamber formed in a wheel hub mounted for rotation about a stationary wheel axle. The...
6771080 Microwave measuring device for defining the load of a two-phase flow  
A microwave measuring device for defining the load of a two-phase flow consisting of solids or liquid particles suspended in a gaseous medium transported in a predetermined direction within a feed...
6747460 Microwave-resonator and measuring device  
A resonator device for testing a material quantity in the tobacco-processing industry for existence of at least one foreign substance and/or for detecting at least one of weight, density and...
6710750 Microwave sensor antenna  
Antenna centric duct 1 in the form of long cylinder has a coaxial channel of circular intersection 2 at one end, and a coaxial screwed tongue 3 at the other end. On one third of cylinder length 1...
6643594 Electromagnetic wave source probing device and probing method with the probing device  
A quite novel electromagnetic wave source probing device and a method with such a device in which the probing time can be shortened. Magnetic field to time characteristics generated from a subject...

Matches 1 - 50 out of 313 1 2 3 4 5 6 7 >