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Class Information
Number: 324/708
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Lumped type parameters > Using resistance or conductance measurement > With frequency response, change or processing circuit > Including a tuned or resonant circuit
Description: Subject matter including a circuit which typically contains both inductance and capacitance and is tuned to resonate at a certain frequency.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7253737 |
Automated antenna trim for transmitting and receiving semiconductor devices |
Aug. 7, 2007 |
| 7141990 |
Device for detecting degradation of a component |
Nov. 28, 2006 |
| 7064562 |
Temperature compensation method for soot sensor |
Jun. 20, 2006 |
| 6867603 |
Method for measuring high frequency resistance in diesel engine lubrication oil |
Mar. 15, 2005 |
| 6831450 |
Electronic method and apparatus for measuring optical wavelength and locking to a set optical wavelength of Fabry-Perot tunable cavity opto-electronic devices |
Dec. 14, 2004 |
| 6806812 |
Automated antenna trim for transmitting and receiving semiconductor devices |
Oct. 19, 2004 |
| 6690181 |
Impedance measurements of bodily matter |
Feb. 10, 2004 |
| 6674291 |
Method and apparatus for determining and/or improving high power reliability in thin film resonator devices, and a thin film resonator device resultant therefrom |
Jan. 6, 2004 |
| 6501287 |
Apparatus and method for measuring thickness |
Dec. 31, 2002 |
| 6407557 |
Process for measuring the electrical resistance of a resistive body for example for checking the conformity of a liquid product and devices for carrying out such a process |
Jun. 18, 2002 |
| 6401046 |
Modulated interface for remote signals |
Jun. 4, 2002 |
| 5642053 |
Fluid identification sensor |
Jun. 24, 1997 |
| 5528142 |
Resonant eddy analysis- a contactless, inductive method for deriving quantitative information about the conductivity and permeability of a test sample |
Jun. 18, 1996 |
| 5506497 |
Process and device for microwave surface resistance determination |
Apr. 9, 1996 |
| 5412318 |
Device for detecting attempts at fraud on an apparatus for reading and writing on a chip card |
May. 2, 1995 |
| 5278512 |
Apparatus and method for continuously monitoring grounding conductor resistance in power distribution systems |
Jan. 11, 1994 |
| 5105158 |
Dielectric microwave resonator probe |
Apr. 14, 1992 |
| 4973912 |
Method for contactless measurement of a resistance arranged in the secondary circuit of a transformer and device for carrying out the method |
Nov. 27, 1990 |
| 4968945 |
Open tube resonator test setup for conductivity measurements |
Nov. 6, 1990 |
| 4958131 |
Circuit arrangement for the combined application of an inductive and capacitative device for the non-destructive measurement of the ohmic resistance of thin layers |
Sep. 18, 1990 |
| 4810950 |
Load resistance measuring technique |
Mar. 7, 1989 |
| 4808911 |
Loop resistance test apparatus |
Feb. 28, 1989 |
| 4797614 |
Apparatus and method for measuring conductance including a temperature controlled resonant tank circuit with shielding |
Jan. 10, 1989 |
| 4603980 |
Methods of measuring temperature and electrical resistivity in a molten glass stream |
Aug. 5, 1986 |
| 4415859 |
Paraffin monitor |
Nov. 15, 1983 |
| 4353027 |
Contactless resistivity measurement method and apparatus |
Oct. 5, 1982 |
| 4224483 |
Electronic loaded/nonloaded telephone loop identification circuit |
Sep. 23, 1980 |
| 4075557 |
Contactless facilities for determining the specific resistance of a test sample |
Feb. 21, 1978 |
| 4001675 |
Test set for measuring impedance and power dissipation of a crystal |
Jan. 4, 1977 |
| 3967191 |
Method and apparatus for non-destructively measuring internal film resistance in a fluorescent lamp |
Jun. 29, 1976 |
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