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Class Information
Number: 324/639
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Distributive type parameters > Using transmitted or reflected microwaves > Where energy is transmitted through a test substance
Description: Subject matter including measurement of a microwave that passes through an object or substance.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7417440 |
Methods and systems for the rapid detection of concealed objects |
Aug. 26, 2008 |
| 7394262 |
Device for analyzing the composition of the contents of a container |
Jul. 1, 2008 |
| 7378855 |
Bi-directional three-Dimensional microwave scanning and volumetric mapping of a whole roll or pallet of paper |
May. 27, 2008 |
| 7367226 |
Interface detection apparatus and method for detecting hidden interface using microwave |
May. 6, 2008 |
| 7309995 |
Noncontact conductivity measuring instrument |
Dec. 18, 2007 |
| 7307431 |
System and method for microwave non-destructive inspection |
Dec. 11, 2007 |
| 7298152 |
Damage detection system |
Nov. 20, 2007 |
| 7288944 |
Evanescent waveguide apparatus and method for measurement of dielectric constant |
Oct. 30, 2007 |
| 7262607 |
Characterizing substances with multistatic probes |
Aug. 28, 2007 |
| 7259571 |
Detector of objects by microwave frequency echo analysis |
Aug. 21, 2007 |
| 7253641 |
Radio frequency particulate sensing system |
Aug. 7, 2007 |
| 7242176 |
Systems and methods for evaluating electromagnetic interference |
Jul. 10, 2007 |
| 7235982 |
Re-calculating S-parameter error terms after modification of a calibrated port |
Jun. 26, 2007 |
| 7221169 |
Ultra-wide band pulse dispersion spectrometry method and apparatus providing multi-component composition analysis |
May. 22, 2007 |
| 7190176 |
Analysis of variable-depth sample using a sweeping microwave signal |
Mar. 13, 2007 |
| 7157919 |
Method and system for detecting soot and ash concentrations in a filter |
Jan. 2, 2007 |
| 7145349 |
Method for increasing the interference resistance of a time frame reflectometer and a circuit device of implementing said method |
Dec. 5, 2006 |
| 7135870 |
Device for determining the composition of a fluid mixture |
Nov. 14, 2006 |
| 7102363 |
Method and system for non-contact measurement of microwave capacitance of miniature structures of integrated circuits |
Sep. 5, 2006 |
| 7080554 |
High-precision measuring method and apparatus |
Jul. 25, 2006 |
| 7075314 |
Method and apparatus for measuring complex dielectric constant of dielectric |
Jul. 11, 2006 |
| 7068051 |
Permittivity monitor uses ultra wide band transmission |
Jun. 27, 2006 |
| 7061184 |
Plasma electron density measuring and monitoring device |
Jun. 13, 2006 |
| 7057398 |
Microwave spectrometer |
Jun. 6, 2006 |
| 7053630 |
Level gauging system |
May. 30, 2006 |
| 7042231 |
Method for monitoring the properties of pharmaceutical articles |
May. 9, 2006 |
| 7019537 |
Non-destructive determination of machining induced surface defects on metal parts |
Mar. 28, 2006 |
| 7017413 |
Methods for quantitatively determining lengthwise shrinkage in wood products |
Mar. 28, 2006 |
| 6995569 |
Device for electromagnetic characterisation of a tested structure |
Feb. 7, 2006 |
| 6995572 |
Sensor and method for detecting a superstrate |
Feb. 7, 2006 |
| 6984993 |
Method and apparatus for making high-precision measurements |
Jan. 10, 2006 |
| 6885198 |
Method and device for testing a mat made of biomass particles |
Apr. 26, 2005 |
| 6882161 |
Method of measuring dielectric constant of PCB for RIMM |
Apr. 19, 2005 |
| 6879166 |
Microwave measurement of phase equilibria |
Apr. 12, 2005 |
| 6859047 |
Anechoic test chamber and method of determining a loss characteristic of a material specimen |
Feb. 22, 2005 |
| 6856141 |
High-precision measuring method and apparatus |
Feb. 15, 2005 |
| 6844552 |
Terahertz transceivers and methods for emission and detection of terahertz pulses using such transceivers |
Jan. 18, 2005 |
| 6835934 |
Method of determining a characteristic of a security document, such as a banknote |
Dec. 28, 2004 |
| 6836189 |
RF choke bias scheme for load pulled oscillators |
Dec. 28, 2004 |
| 6801131 |
Device and method for detecting insects in structures |
Oct. 5, 2004 |
| 6788244 |
Inspection device for radar absorbing materials |
Sep. 7, 2004 |
| 6788072 |
Apparatus and method for sensing particle accumulation in a medium |
Sep. 7, 2004 |
| 6784854 |
Dielectric detection through conductive metal |
Aug. 31, 2004 |
| 6771080 |
Microwave measuring device for defining the load of a two-phase flow |
Aug. 3, 2004 |
| 6765392 |
Method and device for evaluating a sensor device |
Jul. 20, 2004 |
| 6753679 |
Test point monitor using embedded passive resistance |
Jun. 22, 2004 |
| 6753690 |
Interferometric signal processing apparatus |
Jun. 22, 2004 |
| 6747460 |
Microwave-resonator and measuring device |
Jun. 8, 2004 |
| 6707307 |
Fluid sensor |
Mar. 16, 2004 |
| 6690176 |
Low-loss tunable ferro-electric device and method of characterization |
Feb. 10, 2004 |
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