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Class Information
Number: 324/607
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > With auxiliary means to condition stimulus/response signals > For response signal evaluation or processing > Including a conversion (e.g., a->d or d-> a) process
Description: Subject matter wherein an evaluation or process involving the measure and takes place as part of a conversion scheme.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616008 |
Digital auto balance bridge |
Nov. 10, 2009 |
| 7613936 |
Dual-mode detection of powered device in power over ethernet system |
Nov. 3, 2009 |
| 7417439 |
Impedance conversion circuit and integrated circuit including thereof |
Aug. 26, 2008 |
| 7352166 |
Resistance ratio digitizing ohmmeter system |
Apr. 1, 2008 |
| 7336212 |
Apparatus and methods for measurement of analog voltages in an integrated circuit |
Feb. 26, 2008 |
| 7307411 |
Method for signal extraction in a universal sensor IC |
Dec. 11, 2007 |
| 7301324 |
Recording medium detecting system |
Nov. 27, 2007 |
| 7235981 |
Impedance conversion circuit and integrated circuit including thereof |
Jun. 26, 2007 |
| 7237168 |
Design for test of analog module systems |
Jun. 26, 2007 |
| 7227346 |
Two channel digital phase detector |
Jun. 5, 2007 |
| 7196526 |
Matched delay line voltage converter |
Mar. 27, 2007 |
| 7151559 |
Reception performance measuring apparatus for television signal |
Dec. 19, 2006 |
| 7141985 |
Field programmable driver/transmitter for a proximity probe |
Nov. 28, 2006 |
| 7113882 |
Automatic testing system |
Sep. 26, 2006 |
| 7098669 |
Depth determining system |
Aug. 29, 2006 |
| 7091725 |
Fast, high-resolution, indirect measurement of a physical value |
Aug. 15, 2006 |
| 7047119 |
Circuit arrangement and method for measuring current in vehicle braking systems |
May. 16, 2006 |
| 7026828 |
Recording module with a universal input for measurement of physical parameters |
Apr. 11, 2006 |
| 7015702 |
Method for evaluating a measuring signal and corresponding circuit arrangement |
Mar. 21, 2006 |
| 6975103 |
Resistance ratio digitizing ohmmeter system |
Dec. 13, 2005 |
| 6965275 |
Method and apparatus for tuning a filter |
Nov. 15, 2005 |
| 6956512 |
Analog-to-digital converter for programmable logic |
Oct. 18, 2005 |
| 6924652 |
Method for determining optimal degree of vulcanization and optimal content of constituent ingredient of composition for vulcanization in real time by impedance measurement and analysis |
Aug. 2, 2005 |
| 6888358 |
Sensor and sigma-delta converter |
May. 3, 2005 |
| 6882942 |
Accessing main ATX outputs without monitoring all outputs |
Apr. 19, 2005 |
| 6784669 |
Electrical circuit arrangement for converting an electrical input variable into an impressed output electrical voltage |
Aug. 31, 2004 |
| 6774643 |
Non-bridged single electrode impedance measurement system for determining a condition of a dielectric according to impedance related changes over a range of frequencies |
Aug. 10, 2004 |
| 6765395 |
Method for measuring a gap between a proximity probe and a conductive target material |
Jul. 20, 2004 |
| 6753686 |
Method and apparatus for detecting failure of differential transformer, and method and apparatus for signal processing of differential transformer |
Jun. 22, 2004 |
| 6703843 |
Device for digitally measuring electrical impedance |
Mar. 9, 2004 |
| 6651036 |
RMS-to-DC converter with fault detection and recovery |
Nov. 18, 2003 |
| 6650262 |
AD converter evaluation apparatus |
Nov. 18, 2003 |
| 6643608 |
System and method for collecting and analyzing shipment parameter data affecting predicted statistical variables of shipped articles |
Nov. 4, 2003 |
| 6633156 |
Device for monitoring the flow of a substantially direct current in a load and method for the implementation of this device |
Oct. 14, 2003 |
| 6630834 |
Apparatus and method for measuring change in capacitance |
Oct. 7, 2003 |
| 6597183 |
Resistance measurement system |
Jul. 22, 2003 |
| 6529013 |
Three-phase voltage sensor with active crosstalk cancellation |
Mar. 4, 2003 |
| 6498497 |
Microfluidic controller and detector system with self-calibration |
Dec. 24, 2002 |
| 6489854 |
Electronic apparatus for automatically detecting the length of network transmission lines |
Dec. 3, 2002 |
| 6369584 |
Signal correction apparatus and signal correction method |
Apr. 9, 2002 |
| 6366074 |
Unidirectionality in electronic circuits through feedback |
Apr. 2, 2002 |
| 6356085 |
Method and apparatus for converting capacitance to voltage |
Mar. 12, 2002 |
| 6300776 |
Method and device for discrete-time reactance measurement |
Oct. 9, 2001 |
| 6253103 |
Method and apparatus for high current electrode, transthoracic and transmyocardial impedance estimation |
Jun. 26, 2001 |
| 6198292 |
Crosstalk test unit and method of calibration |
Mar. 6, 2001 |
| 6184692 |
Loop back test apparatus and technique |
Feb. 6, 2001 |
| 6016445 |
Method and apparatus for electrode and transthoracic impedance estimation |
Jan. 18, 2000 |
| 6005398 |
High speed phase and amplitude measurement system and method |
Dec. 21, 1999 |
| 5977774 |
Method for detecting open circuits with a measurement device |
Nov. 2, 1999 |
| 5898304 |
Sensor arrangement including a neural network and detection method using same |
Apr. 27, 1999 |
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