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Class Information
Number: 324/660
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Lumped type parameters > Using capacitive type measurement > With variable electrode area
Description: Subject matter wherein the area of a capacitor"s plate (i.e., electrode) is changed in effecting the measurement.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576546 |
Electric potential measuring device and image forming apparatus |
Aug. 18, 2009 |
| 7554331 |
Electric potential measuring device and image forming apparatus |
Jun. 30, 2009 |
| 7548073 |
Capacitive sensing apparatus designs |
Jun. 16, 2009 |
| 7545289 |
Capacitive sensing using a repeated pattern of sensing elements |
Jun. 9, 2009 |
| 7492167 |
Method and device for monitoring and controlling fluid locomotion |
Feb. 17, 2009 |
| 7443174 |
Electric field reciprocal displacement sensors |
Oct. 28, 2008 |
| 7391223 |
Insulation barrier for unshielded wire |
Jun. 24, 2008 |
| 7382139 |
One layer capacitive sensing apparatus having varying width sensing elements |
Jun. 3, 2008 |
| 7368053 |
Membrane zeta potential measuring system |
May. 6, 2008 |
| 7321311 |
Steering handle for motor vehicles and method for recording a physical parameter on a steering handle |
Jan. 22, 2008 |
| 7301348 |
Electrostatic encoder |
Nov. 27, 2007 |
| 7292051 |
Electrostatic capacitance sensor and flap type handle having electrostatic capacitance sensor |
Nov. 6, 2007 |
| 7287174 |
Input device with reduced dead band of an analog output signal |
Oct. 23, 2007 |
| 7277004 |
Bi-directional deflectable resistor |
Oct. 2, 2007 |
| 7265554 |
Electric potential measuring device and image forming apparatus |
Sep. 4, 2007 |
| 7218124 |
Capacitive sensing apparatus designs |
May. 15, 2007 |
| 7212007 |
Electric potential sensor, and image forming apparatus |
May. 1, 2007 |
| 7199727 |
Electrostatic encoder and electrostatic displacement measuring method |
Apr. 3, 2007 |
| 7187184 |
Prevention of robot damage via capacitive sensor assembly |
Mar. 6, 2007 |
| 7138806 |
Position detection |
Nov. 21, 2006 |
| 7138807 |
Capacitive sensing techniques that include determing rotational position of one electrode relative to other electrodes separated by an electrically nonconductive gap |
Nov. 21, 2006 |
| 7078915 |
Angular position sensor for rotating components such as steering columns |
Jul. 18, 2006 |
| 7047797 |
Method for detecting wear in a brake or a clutch |
May. 23, 2006 |
| 7049828 |
Capacitive sensor for determining linear or angular position |
May. 23, 2006 |
| 6989677 |
Capacitance type sensor |
Jan. 24, 2006 |
| 6965239 |
Electric potential sensor, and image forming apparatus |
Nov. 15, 2005 |
| 6949938 |
Prevention of robot damage via capacitive sensor assembly |
Sep. 27, 2005 |
| 6930487 |
Method for electronic damping of electrostatic positioners |
Aug. 16, 2005 |
| 6922063 |
Apparatus and method for capacitive level sensor |
Jul. 26, 2005 |
| 6897660 |
Position sensor based on measuring capacitance |
May. 24, 2005 |
| 6894507 |
Capacitance type sensor |
May. 17, 2005 |
| 6876209 |
Capacitive angular position sensor |
Apr. 5, 2005 |
| 6867602 |
Methods and systems for capacitive balancing of relative humidity sensors having integrated signal conditioning |
Mar. 15, 2005 |
| 6867601 |
Capacitance type sensor |
Mar. 15, 2005 |
| 6861848 |
Capacitance position sensor and position controller equipped with the sensor |
Mar. 1, 2005 |
| 6828800 |
Single-molecule detector |
Dec. 7, 2004 |
| 6774642 |
Capacitive angular position sensor |
Aug. 10, 2004 |
| 6747462 |
Method and system for determining position of a body |
Jun. 8, 2004 |
| 6700393 |
Capacitive sensor assembly for use in a non-contact obstacle detection system |
Mar. 2, 2004 |
| 6593757 |
Capacitance type displacement detection apparatus |
Jul. 15, 2003 |
| 6587093 |
Capacitive mouse |
Jul. 1, 2003 |
| 6556024 |
Capacitance type load sensor |
Apr. 29, 2003 |
| 6483321 |
Capacitive angular displacement and angular rate sensor and measurement device for such transducer |
Nov. 19, 2002 |
| 6480183 |
Digital joystick using capacitive sensor |
Nov. 12, 2002 |
| 6448792 |
Sensor for edge position of electro-conductive material |
Sep. 10, 2002 |
| 6411107 |
Capacitance type sensor |
Jun. 25, 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 |
| 6346818 |
Capacitance position transducer |
Feb. 12, 2002 |
| 6316948 |
Charge balance network with floating ground capacitive sensing |
Nov. 13, 2001 |
| 6304091 |
Absolute position sensing by phase shift detection using a variable capacitor |
Oct. 16, 2001 |
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