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Class 324/515 - Using a particular sensing electrode


Subclass of Class 324 - Electricity: measuring and testing
Definition: Subject matter where details of the sensing electrode are
No. of patents: 50
Last issue date: 08/28/2007


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NumberTitleIssue Date
7262603System and method for sensing the formation of tin whiskers
A system and method for sensing the formation of tin whiskers is presented. An assembly substrate includes whisker detectors at various locations for detecting tin whiskers in an X direction, a Y direction, and a Z direction relative to the assembly substrate. Each ...
08/28/2007
7208958Antenna for detection of partial discharges in a chamber of an electrical instrument
A sensor for picking up partial discharges in an electrical equipment tank filled with a dielectric fluid includes an antenna responsive to the electromagnetic waves generated by such partial discharges. In the sensor, the antenna is formed by two electrodes that ar...
04/24/2007
7109704Flexible shaft with a helically wound data cable supporting a smooth outer sleeve for eddy current probe
A flexible shaft of nonrigid components for use in pushing an eddy current probe through small diameter pipe bends includes a thin-walled flexible outer sleeve enclosing a data cable helically coiled around a central inner core, typically of braided wire. The inner ...
09/19/2006
7049828Capacitive sensor for determining linear or angular position
A capacitive sensor includes an electrode member with two spaced-apart electrodes and an air gap therebetween. A position reference plate, which can be straight for sensing linear position or curvilinear for sensing angular position, is disposed in the air gap, with...
05/23/2006
6977509System and method for high voltage testing of twisted insulated conductors
A system and method for high voltage testing of twisted insulated conductors includes a high voltage power supply to be disposed within a rotating mechanism of a twinner. An electrode is coupled to the power supply and is to be disposed adjacent to a take-up reel wi...
12/20/2005
6975312Computer system having network connector and method of checking connection state of network cable therefor
A computer system having a network connector to which a network cable is connected, including a displaying part displaying a connection state of the network cable; a signal processing part processing a signal inputted through the network connector; and a control par...
12/13/2005
6958615Method and device for evaluating deformations and forces
A method and a device for evaluating the deformations or forces to which a structure having an elastomeric body (2) is subjected. The device includes a dipole (6), the dielectric (3) of which is formed by the elastomeric body, and an electronic ...
10/25/2005
6937029Method for detection of a shielding fault in a multiwire cable
This invention relates to a method for detection of a shielding fault in a multiwire cable forming part of a communication network, during functional operation of the said network, the said cable (10) transferring a multiframe signal S(t), which comprises the...
08/30/2005
6803775Fuel quality sensor assembly and method of use
A sensing element (2) for sensing a fluid (50) composition and a method of using the sensing element (2) are provided. The sensing element (2) includes an electrode base (36) having a first electrode (4) and a second electro...
10/12/2004
6753684Inspection apparatus and method adapted to a scanning technique employing a rolling wire probe
An inspection apparatus and method of electrode patterns using rolling wire probes, which includes a rolling wire rotating for performing a rolling contact sliplessly across the electrode patterns, and a control unit for controlling operations of the inspection appa...
06/22/2004
6642724Valve seating with electrodes, especially for <> type control device
A valve seating (23) is made from a fluoridated polymer, for example, solid glass-coated PTFE or reinforced PFA. At least one electrode (24) is attached to or integral with the valve seating and made of conductive material, such as graphite-TEFLON.RTM., t...
11/04/2003
6590375Device and method for detection and/or inspection of conductive particles using high-voltage field
Particles in a fluid cause an arc at a certain electric field whose value depends on the nature of the particles (size, composition, and the like). By applying an electric field across the fluid and determining the value of the electric field at which the...
07/08/2003
6563329Sensor for measuring resistivity
A sensor for measuring resistivity having metallic electrode members with excellent resistance to corrosion and oxidation is provided. The metallic electrode member for measuring resistivity of liquid consists of nickel-based alloy containing 19 to 24 wt ...
05/13/2003
6501288On-chip optically triggered latch for IC time measurements
Method and on chip circuitry for testing integrated circuits, for instance, flip chip integrated circuits. Provided on the integrated circuit in addition to the conventional circuitry is additional circuitry including a photosensitive element such as a ph...
12/31/2002
6448794Apparatus and method for high throughput electrorotation analysis
The present invention concerns a high throughput electrorotation chip having an array of electrorotation units and methods of use thereof. To make the high throughput electrorotation chip, a plurality of electrorotation units (EU) are fabricated on a subs...
09/10/2002
6424159Methods and apparatus for monitoring contact slipring disconnections
A method and apparatus for detecting interruptions of continuity in a circuit is provided. The method includes transmitting a signal through a brush contacting a conductive band of a slipring, wherein the brush and the slipring have a relative motion. The...
07/23/2002
6259243Method for electromagnetically shielding inductive voltage detectors
The method of this invention provides a means for altering commonly available inductive voltage detector instruments into dual sensitivity test instruments. By shielding the sensor probe with a metallic material, the probe is made to be unresponsive to en...
07/10/2001
6184691Apparatus and method for testing coating of an electrical conductor
An apparatus and method for testing a coating on a conductor, such as a dielectric coating on a wire. A high voltage source is coupled to the conductor and the coating through a primary winding of a transformer. Faults in the coating will result in a chan...
02/06/2001
6181139Method and apparatus for testing the insulating ability of an insulation on an electric conductor
A method and an apparatus for touch-free testing of the insulating ability of an electric insulation on an electric conductor, where the testing item (8), the conductor, continuously is moved between a system of testing electrodes (2, 4), where the electr...
01/30/2001
5703928Probe for sampling differential electromagnetic fields
A probe for use in sampling signals from a pair of telephone wires has two conductors that are separated from each other by an insulating material such as a circuit board. Each of the conductors has an overall size and has plural nonconductive interstices...
12/30/1997
5525915Electrical conductivity tester for ropes
A tester is provided for measuring the dielectric integrity of a rope, on a continuous basis. The device incorporates a pair of rope contact and retention members, that may comprise pair of spring-loaded clamps, adapted to make electrical contact with the...
06/11/1996
5475313Primary charge roller evaluator
The primary charge roller evaluator is a device to determine an accurate measurement of conductivity or leakage current of primary charge roller, from its steel shaft to outer coating. This measurement is based on the impedance of the roller, that is the ...
12/12/1995
5416419Insulation defect detection by high voltage electrode means
In an apparatus for testing cable (comprising a metallic core jacketed by insulation) to detect localized defects on the insulation caused by its carbonization, the cable is moved in an axial path through an array of five ring electrodes radially spaced f...
05/16/1995
5302904Method of detecting insulation faults and spark tester for implementing the method
A testing voltage of 800 to 5000 volts is applied to a measuring electrode constructed of carbon fiber brushes. This testing voltage is regulated to the desired value by means of a control circuit. Sparkover pulses travel through a filter to an output, wi...
04/12/1994
5050093Method and apparatus for inspecting electrical wire
An improved method and apparatus for inspecting electrical wire (10) is provided. A wire respooling machine (22) advances the electrical wire (10) from a take-off spool (12) to a take-up spool (14). An encoder (24) senses the rotation of the calibrated wh...
09/17/1991
5047721Faulty lamp tester
A detector (42) is provided for testing a string of lamps (12) that are connected to a wire (14) in a series configuration. The detector (42) has a probe (44) disposed on the end thereof with a cavity (56) formed therein. The cavity (56) is operable to be...
09/10/1991
5023558Ignition wire core conductive irregularity detector
An apparatus and a method for detecting conductive irregularities in an overwrapped ignition wire core during the manufacturing process thereof which preferably includes two conductive sheaves spaced preferably 24 inches apart about which the wire core is...
06/11/1991
5006791Electrostatic detector and method for detecting conductors
A circuit is disclosed for detecting a conductive region in a body. The circuit includes a remote module (12) coupled to a driver and logic module (14). The remote module is mountable on a probe (16) and senses contact between a conductive detector electr...
04/09/1991
4982154Method of engagement of electrical contacts to pipe members
A scheme for rapidly connecting and rapidly disconnecting a large number of point contacts onto a pipe surface is taught. The scheme involves pressing sharply pointed pin contacts onto the pipe surface by gas pressure. Each pin is held in a conforming ope...
01/01/1991
4935176Method of and apparatus for detecting defects in an electrical conductor
The present invention incorporates a conductor contact apparatus, a conductor defect detector, and a relay or equivalent added to the emergency stop circuit of a conductor insulation extruder apparatus in order to detect conductor defects and shut-down th...
06/19/1990
4846936Method and apparatus for measuring metal exposure in resin covering portion in metal container and constituent member thereof
Disclosed is a method for measuring the metal exposure in a resin covering area of a metal container or a constituent member thereof, which comprises contacting the resin covering area of the metal container or the constituent member thereof with a measur...
07/11/1989
4808276Method for checking in a moving mode the continuity of a metal covering on a metal wire of different nature
A method is disclosed for checking and obtaining in a moving mode the continuity of a metal covering on a metal wire of different nature belonging to the group of a wire being treated by a current strength and issuing from a covering bath and wire, the tr...
02/28/1989
4626834Ground continuity monitor for tool stop controllers
A ground continuity monitor for a tool stop controller includes a pair of resistive conductors connected in series between the power line hot and neutral leads. At the junction therebetween they are connected to the ground lead and to a controllable shunt...
12/02/1986
4618933Method for detecting a fault or also the direction of a fault in electric lines and means for executing this method
A method and apparatus for detecting a fault and also the direction of a fault in electric lines, wherein voltage (Su) and current step signals (Si) corresponding to the transient components in the line voltage and line current are derived; the instantane...
10/21/1986
4446422Methods of and apparatus for detecting, measuring, and classifying insulation defects
During the manufacture and/or packaging of insulated conductors, insulation defects are detected, measured, and classified by the methods and apparatus of this invention. As a twisted pair of insulated conductors (21-21), for example, is advanced along a ...
05/01/1984
4424480Process for the measurement of the specific capacity of a cable and a device for carrying out the process
In a process and device for measuring the specific capacity of an electric cable by means of a cylindrical measuring electrode through which the cable is passed and between which and the cable conductor an alternating voltage is maintained, the capacitati...
01/03/1984
4417701Method and means for controlling the manufacture of windings for inductive apparatus
A method of, and means for, controlling the manufacture of a winding for an inductive apparatus, for example a transformer winding or a reactor winding, which winding is of the kind comprising a plurality of turns of a sheet composed of an electrically co...
11/29/1983
4404515System and method for use with apparatus for sensing bare metal on a moving strip of insulatively coated conductive material
A detector for detecting bare metal on a moving strip of insulatively coated conductive metal includes a plurality of sensors arranged along the edges of both sides of the strip. Each sensor includes a plurality of voltage biased contacts and a grounded c...
09/13/1983
4387336Method and apparatus for cable conductor shield fault detection
Disclosed is an apparatus and method for continuously detecting skips, protrusions, protuberances and other defects in cable conductor shield, comprising a high voltage electrode, a capacitance bridge filter circuit and a corona discharge detector. A nonc...
06/07/1983
4309654Method and apparatus for testing moisture content of pulp insulation during application onto an electrical conductor
A method and apparatus for testing the moisture content of pulp insulation on an electrical conductor during the application of the insulation onto the conductor, in which first and second potentials are applied across a pair of voltage dividers having th...
01/05/1982
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