Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7928739 | Device for measuring moisture in substrate and health of hair A sensor for measuring moisture content of a substrate, comprising: a coplanar waveguide; a directional coupler having a pair of generally parallel first and second strips defining a coupling gap therebetween; and | 04/19/2011 |
| 7688079 | Detecting apparatus for detecting moisture content of media stack A detecting apparatus for detecting information of at least a portion of a stack of sheet media includes an illuminating unit and a detecting unit. The illuminating unit illuminates a side of the stack of sheet media, or a portion thereof with electromagnetic waves.... | 03/30/2010 |
| 7423435 | Method and apparatus for measuring grammage A grammage measuring apparatus including a dielectric resonator which is arranged only at one side surface of a sample; a shielding container with which the dielectric resonator is substantially covered except for a sample measuring surface; a microwave excitation d... | 09/09/2008 |
| 7403863 | Correlation method for measurements of total and fractional immiscible media flow rates and a device for its embodiment A correlation method for measuring total and fractional flow rates of multiphase immiscible media comprises identifying two control sections along the multiphase flow, and scanning each control section so as to measure fluctuations in the dielectric flow characteris... | 07/22/2008 |
| 7378855 | Bi-directional three-Dimensional microwave scanning and volumetric mapping of a whole roll or pallet of paper Bi-directional (longitudinal and angular) three-dimensional volumetric microwave scanning of a whole roll or pallet of paper (FIGS. 3, 4), including three-dimensional volumetric mapping of internal properties and characteristics (moisture content, density, ma... | 05/27/2008 |
| 7353690 | Atmospheric refractivity profiling apparatus and methods Apparatus and methods for characterizing atmospheric refractivity and its evolution in time and space utilizing passive radiation emission measurement devices are disclosed. Based on an instrument such as a passive microwave radiometer, ancillary meteorological meas... | 04/08/2008 |
| 7338204 | Measurement apparatus and method An apparatus (1) for measuring the transmission or attenuation of electromagnetic radiation through an object (6), said apparatus including an electromagnetic radiation emitter (2) and detector (3), characterised in that to perform transm... | 03/04/2008 |
| 7337074 | Method and apparatus for determining the mass of portioned units of active substances A method and the apparatus for determining the mass of portioned units of active substances, in particular capsules, tablets or dragees, involves leading the units of active substances through a microwave resonator and determining the mass from the displacement of t... | 02/26/2008 |
| 7334450 | Water cut measurement with improved correction for density Methods of correcting on-line analyzer measurements of the content of a first component, e.g., water, in a multiple-component fluid, e.g., petroleum, are provided. The first component content measurements in a flowing multiple-component fluid may be taken using an o... | 02/26/2008 |
| 7330034 | Moisture measurement system for seed cotton or lint A process for measuring the moisture content and the mass-moisture content of materials is presented that requires no air reference or calibration sequence. A microwave signal is split into a reference and a transmission signal, and the reference signal is applied d... | 02/12/2008 |
| 7292049 | System and method for detecting the dielectric constant of conductive material An improved system and method for providing a dielectric monitor which allows the measurement of the dielectric constant of a conductive material. The capability to accurately and efficiently measure the dielectric constant in soil allows the moisture content of the... | 11/06/2007 |
| 7278186 | Ultra low frequency moisture sensor An apparatus for measuring a moisture content value within a volume. A frequency generator generates at least one source signal at frequencies of no more than about one kilohertz. Probes are disposed with surfaces in physical contact with the volume, where no direct... | 10/09/2007 |
| 7280227 | Device, method and system for measuring the distribution of selected properties in a material A device for measuring a distribution of selected properties of a material. The device includes an emitter configured to emit electromagnetic radiation at at least a first and second frequency in a selected frequency range through the material, at least one sensor c... | 10/09/2007 |
| 7261000 | Methods of assessing characteristics of fibrous substrates and treating fibrous substrates A method of assessing damage of a fibrous substrate comprises the steps of: (a) providing said fibrous substrate having a length, a root end, and a tip end; (b) providing a means for assessing substrate moisture content; (c) using said means for assessing substrate ... | 08/28/2007 |
| 7239154 | Soil penetrating electrode with conical taper This disclosure describes a Soil Penetrating Electrode with Conical Taper for use with instrumentation for measurement of the electrical properties of soil in situ. The Electrode shape and configuration solves problems of stable and reliable contact with the soil, r... | 07/03/2007 |
| 7236120 | Ultra-wideband detector systems for detecting moisture in building walls A non-destructive detection method and system enables detecting a moisture patch located inside a building wall or the like. A transmitter generates a series of ultra-wideband pulses while an ultra-wideband antenna unit, preferably in the form of an antenna array in... | 06/26/2007 |
| 7227482 | Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same In a first-order complex band-pass filter, multiplexers are alternately switched over between time intervals of phases A and B, where the multiplexers includes two multiplexers provided at input and output stages, and a multiplexer provided in a feedback circuit of ... | 06/05/2007 |
| 7226415 | Microwave hemorrhagic stroke detector The microwave hemorrhagic stroke detector includes a low power pulsed microwave transmitter with a broad-band antenna for producing a directional beam of microwaves, an index of refraction matching cap placed over the patients head, and an array of broad-band microw... | 06/05/2007 |
| 7199592 | Method and apparatus for applying microwaves to measure the moisture content of material Apparatus for ascertaining the mass and/or the moisture content of successive increments of a running rod containing tobacco and/or filter material for tobacco smoke has a resonator housing with a cylindrical internal chamber which is disposed between an inlet and a... | 04/03/2007 |
| 7190176 | Analysis of variable-depth sample using a sweeping microwave signal An apparatus and method for analysing an amount of at least one component in a sample (21) by measuring a microwave signal (13) that has passed at least partially through the sample (21), the apparatus comprising: a microwave generator that gene... | 03/13/2007 |
| 7187183 | Apparatus and method for microwave determination of at least one physical parameter of a substance 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 reflection of a predetermined pola... | 03/06/2007 |
| 7180286 | Hand-held device for non-destructive thickness measurement An apparatus for non-destructive measurement of the thickness of thin layers, has a housing and a probe which is connected to an evaluation unit and to which signals are emitted during a measurement for determining the layer thickness, and having a display apparatus... | 02/20/2007 |
| 7176696 | Method of detecting and eliminating foreign bodies in a flow of tobacco In a method of detecting and eliminating foreign bodies in tobacco, a flow of tobacco advances first through a preparation zone where it is gathered into a continuous ribbon of tobacco filler, then through a forming station at which the filler is used to fashion a c... | 02/13/2007 |
| 7167773 | Process and apparatus for improving and controlling the curing of natural and synthetic moldable compounds A process for curing a moldable compound under a plurality of curing conditions by: (1) obtaining time dependent data streams of dielectric or impedance values from a plurality of sensors distributed within a curing mold, wherein the moldable compound is a dialectri... | 01/23/2007 |
| 7157919 | Method and system for detecting soot and ash concentrations in a filter A system and method for detecting soot and or ash loading within a filter is provided. The method comprises the steps of transmitting a source RF signal through a filter, measuring a reflected RF signal, measuring a transmitted RF signal, calculating reflected power... | 01/02/2007 |
| 7151380 | Microwave water weight sensor and process Sensor and process for measuring mass of water on a sheet forming fabric. The sensor includes a microwave element positionable to couple an electromagnetic field into a stock layer to be measured, and a microwave signal generator coupled to the microwave element to ... | 12/19/2006 |
| 7150184 | Density independent moisture analyzer Systems and methods for the on-site determination of water content in crude oil. The water content of crude oil is determined by mixing a sample of the crude oil with a fixed amount of molecular sieves. The electromagnetic characteristics of the molecular sieves upo... | 12/19/2006 |
| 7149633 | Displacement method of knot sizing A method of estimating the displaced size of a knot in a lumber piece includes the steps of: translating the lumber piece downstream along a flow path between a radiation source and sensor while simultaneously irradiating the lumber piece with radiation from the fir... | 12/12/2006 |
| 7148694 | Contact impedance test circuit and method A contact impedance test circuit for testing impedance between a first contact element and a second contact element comprising an AC signal source for applying an AC signal voltage to the first contact element, an AC contact voltage being emitted by the second conta... | 12/12/2006 |
| 7145499 | Precipitation effects mitigation at antennae systems Apparatus and methods for mitigating precipitation effects realized at an antenna system of an instrument such as a microwave radiometer are disclosed. One embodiment of the apparatus includes a blower mechanism that enables instrument operation even during precipit... | 12/05/2006 |
| 7135870 | Device for determining the composition of a fluid mixture A method and apparatus are disclosed for determining the concentration of individual components within a fluid mixture by determining the permittivity of the individual components. The method and apparatus use a reference sensor and at least one measurement sensor p... | 11/14/2006 |
| 7135872 | Method of determining the composition of a multiphase fluid A method of determining the composition of a multiphase fluid, such as a flowing petroleum effluent, an emulsion of water and oil, or a foam of oil and gas is disclosed. A first part comprises determining a model expressing the attenuation and the phase shift of a m... | 11/14/2006 |
| 7135871 | Soil moisture sensor The moisture content of soil may be determined using a swept-frequency microwave-based process and device. The process includes the steps of: producing a primary microwave signal with a varying frequency, splitting the primary signal to provide first and second micr... | 11/14/2006 |
| 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 operation, microwaves enter a product area, and a device for compensating ... | 11/07/2006 |
| 7123685 | Device and method for analyzing fat of meat The invention relates to continuously determining the fat content of meat. A conveyor belt is used on which the pieces of meat to be examined are advanced past a radiation source serving as a fat analyzing means. The attenuation of an X-ray beam emitted from the rad... | 10/17/2006 |
| 7123024 | Device comprising a microwave resonator for or on a spinner preparation machine A device is disclosed, comprising a microwave resonator, for or on a spinner preparation machine with drawing gear (2) for drawing fiber material (FB), in particular a carding, drawing or combing machine, whereby the resonator (30) is embodied for conn... | 10/17/2006 |
| 7112971 | Method and apparatus for determining the moisture content of a material In a method and apparatus for determining the moisture content of a material with a measuring line extending through the material and having a proximal end connected to a signal generator for supplying a pulse signal to the measuring line, which pulse signal is refl... | 09/26/2006 |
| 7098828 | Complex band-pass ΔΣ AD modulator for use in AD converter circuit A complex band-pass ΔΣ AD modulator is provided with a subtracter device, a complex band-pass filter, first and second AD converters, and first and second DA converters. The first and second DA converters and first and second logic circuits are sandwiched by first... | 08/29/2006 |
| 7091830 | Subterranean two-wire power and communications network A combination of frequency and time division multiplexed signals communicates using bursts of higher frequency sinusoidal waves superimposed upon the alternating current in a two-wire power distribution network. A synchronization pattern precedes data, all bursts ha... | 08/15/2006 |
| 7077565 | Method for measuring temperature of substances from measurement of absorption coefficients Determining the temperature of the water by measuring the absorption coefficient of water (32). The method for determining temperature of a first substance comprising: acquiring a measurement of the absorption coefficient of the first substance at least one w... | 07/18/2006 |
