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Class Information
Number: 324/637
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Distributive type parameters > Using transmitted or reflected microwaves
Description: Subject matter wherein distributive type parameters associated with an object or substance are measured or tested using transmitted or returned microwaves.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7592946 |
Level measurement arrangement |
Sep. 22, 2009 |
| 7589601 |
Impedance tuner systems and probes |
Sep. 15, 2009 |
| 7583091 |
Printed circuit board, and backplane data transmission method |
Sep. 1, 2009 |
| 7583074 |
Low cost millimeter wave imager |
Sep. 1, 2009 |
| 7583089 |
Measurement system of specific absorption rate |
Sep. 1, 2009 |
| 7579845 |
Methods and systems for the rapid detection of concealed objects |
Aug. 25, 2009 |
| 7570063 |
Space-time microwave imaging for cancer detection |
Aug. 4, 2009 |
| 7557588 |
Method and apparatus for inspecting an object using terahertz electromagnetic wave |
Jul. 7, 2009 |
| 7554339 |
Electromagnetic testing of an enclosure or cavity using a discrete frequency stir method |
Jun. 30, 2009 |
| 7555394 |
Measuring circuit and a method for determining a characteristic of the impedance of a complex impedance element for facilitating characterization of the impedance thereof |
Jun. 30, 2009 |
| 7548069 |
Signal measurement systems and methods |
Jun. 16, 2009 |
| 7538561 |
Method for detecting an interface between first and second strata of materials |
May. 26, 2009 |
| 7535236 |
Method of measuring thickness of thin film using microwave |
May. 19, 2009 |
| 7535407 |
Apparatus using continuous-wave radiation for detecting and locating targets hidden behind a surface |
May. 19, 2009 |
| 7528613 |
Apparatus and method for steering RF scans provided by an aircraft radar antenna |
May. 5, 2009 |
| 7525476 |
System and method for filling level determination |
Apr. 28, 2009 |
| 7521938 |
Modeling and calibrating a three-port time-domain reflectometry system |
Apr. 21, 2009 |
| 7518353 |
Vector network analysis system and method using offset stimulus signals |
Apr. 14, 2009 |
| 7515095 |
Silo contents measurement system |
Apr. 7, 2009 |
| 7512511 |
Improvised explosive device countermeasures |
Mar. 31, 2009 |
| 7501833 |
Evanescent microwave microscopy probe and methodology |
Mar. 10, 2009 |
| 7498974 |
Radar level gauge with a galvanically isolated interface |
Mar. 3, 2009 |
| 7486226 |
Device and a method for accurate radar level gauging |
Feb. 3, 2009 |
| 7485857 |
Microcoaxial probes made from strained semiconductor bilayers |
Feb. 3, 2009 |
| 7466748 |
Electronic measuring device for detecting a process variable, in particular a radar or ultrasonic filling level measuring device, and a method for operating a measuring device of this type |
Dec. 16, 2008 |
| 7454242 |
Tissue sensing adaptive radar imaging for breast tumor detection |
Nov. 18, 2008 |
| 7449893 |
Harmonic load pull tuner with resonant prematching module |
Nov. 11, 2008 |
| 7446695 |
Precision pulse detection system for radar sensors |
Nov. 4, 2008 |
| 7439749 |
Non-destructive testing of physical characteristics of composite structures |
Oct. 21, 2008 |
| RE40488 |
Orientation measuring instrument |
Sep. 9, 2008 |
| 7417440 |
Methods and systems for the rapid detection of concealed objects |
Aug. 26, 2008 |
| 7378855 |
Bi-directional three-Dimensional microwave scanning and volumetric mapping of a whole roll or pallet of paper |
May. 27, 2008 |
| 7379016 |
Carrier phase detection system for radar sensors |
May. 27, 2008 |
| 7374006 |
Method and device for determining the roadway condition |
May. 20, 2008 |
| 7362260 |
Method of using continuous-wave radiation for detecting and locating targets hidden behind a surface |
Apr. 22, 2008 |
| 7342531 |
Redundant level measurement in radar level gauging system |
Mar. 11, 2008 |
| 7342401 |
Measurement bias tee |
Mar. 11, 2008 |
| 7339382 |
Apparatuses and methods for nondestructive microwave measurement of dry and wet film thickness |
Mar. 4, 2008 |
| 7309995 |
Noncontact conductivity measuring instrument |
Dec. 18, 2007 |
| 7307582 |
Method for determining a level of material with a two-wire radar sensor comprising intermittently operating circuitry components and a two-wire radar sensor |
Dec. 11, 2007 |
| 7288944 |
Evanescent waveguide apparatus and method for measurement of dielectric constant |
Oct. 30, 2007 |
| 7282926 |
Method and an apparatus for characterizing a high-frequency device-under-test in a large signal impedance tuning environment |
Oct. 16, 2007 |
| 7280227 |
Device, method and system for measuring the distribution of selected properties in a material |
Oct. 9, 2007 |
| 7265558 |
Radar level gauge using elliptically or circularly polarized waves |
Sep. 4, 2007 |
| 7262607 |
Characterizing substances with multistatic probes |
Aug. 28, 2007 |
| 7259571 |
Detector of objects by microwave frequency echo analysis |
Aug. 21, 2007 |
| 7221168 |
Bar code interrogation system |
May. 22, 2007 |
| 7215252 |
Proximity sensor |
May. 8, 2007 |
| 7205774 |
Microwave readable dielectric barcode |
Apr. 17, 2007 |
| 7200825 |
Methodology of quantification of transmission probability for minority carrier collection in a semiconductor chip |
Apr. 3, 2007 |
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