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Class 338/13 - RESISTANCE VALUE RESPONSIVE TO A CONDITION


Subclass of Class 338 - Electrical resistors
Definition: Subject matter including a resistor usually mechanically
No. of patents: 102
Last issue date: 11/08/2011


1      
NumberTitleIssue Date
8054157RF terminating resistor of flanged construction
An RF terminating resistor with a flange body, a planar layer structure, an upper face of a substrate, a resistance layer, an input conductor track, and an earth connection conductor track. The input conductor track electrically connected to opposite ends of the res...
11/08/2011
7760067Resistive current limiter
According to a first aspect the present invention relates to a fault current limiter formed by a conductor tape (11, 41, 51, 61, 71) coated with a high temperature superconductor and having at least one mounting element (12, 42, 52, 62, 72) which is es...
07/20/2010
7741948Laminated variable resistor
A laminated variable resistor comprises a main body, internal electrodes extending along two side edges of the main body into the main body, terminal electrodes disposed on the two ends of the main body. The mole percentage of the oxide in overlapping active regions...
06/22/2010
7423513Circuit board having resistor and method for manufacturing the circuit board
A circuit board high in reliability and a method for manufacturing the circuit board are provided. The electrical resistance is accurately adjustable without damaging the circuit body even if it is made of resinous material and is free from a change over time. A cir...
09/09/2008
7408133Method of thermally coupling a flow tube or like component to a thermal sensor and sensor systems formed thereby
A method of thermally coupling a flow tube or like component to a thermal sensor comprises bonding the component to the thermal sensor such that thermally conductive portions formed on the component are thermally coupled to corresponding sensing/heating elements dis...
08/05/2008
7367712RTD measurement unit including detection mechanism for automatic selection of 3-wire or 4-wire RTD measurement mode
An RTD measurement device including a mechanism for automatic selection of a 3-wire or 4-wire configuration mode of operation. The RTD measurement device may include detection circuitry to detect whether an RTD connected to the RTD measurement device via a plurality...
05/06/2008
7352267Cylindrically shaped superconductor component and its use as resistive current limiter
The present invention is directed to a cylindrically shaped superconductor component particularly useful as resistive current limiter composed of a cylindrical superconductor body, in particular of high temperature superconductor material, provided vertically to its...
04/01/2008
7301435Flexible switching devices
An electronic resistor user interface comprises flexible conductive materials and a flexible variably resistive element capable of exhibiting a change in electrical resistance on mechanical deformation and is characterised by textile-form electrodes (10,12), ...
11/27/2007
7288021Chemical-mechanical polishing of metals in an oxidized form
The invention provides a method for polishing a substrate comprising a metal in an oxidized form, the method comprising the steps of: (a) providing a substrate comprising a metal in an oxidized form, (b) contacting a portion of the substrate with a chemical-mechanic...
10/30/2007
7258483Device for measuring the level and/or the temperature in a container
A device for measuring at least one of a level and a temperature of a liquid in a container includes a resistor arrangement adapted to be immersed in the liquid. An immersed length of the resistor arrangement in the liquid corresponds to the level of the liquid in t...
08/21/2007
7187043Memory function body, particle forming method therefor and, memory device, semiconductor device, and electronic equipment having the memory function body
A memory function body has a medium interposed between a first conductor (e.g., a conductive substrate) and a second conductor (e.g., an electrode) and consisting of a first material (e.g., silicon oxide or silicon nitride). The medium contains particles. Each parti...
03/06/2007
7185531Material loss monitor for corrosive environments
The present invention relates to monitoring the corrosive damage caused to items in a corrosive environment by using multiple monitored coupons 30 of varying thickness that, when corroded, transmit information to a monitor 40 allowing a user to estimat...
03/06/2007
7180396Superconducting current limiting device with magnetic field assisted quenching
The present invention relates to a superconducting current limiting device comprising a superconductor component (1) wherein each superconductor component (1) comprises a superconductor body (2) on which a coil (3) is wound the coil being...
02/20/2007
7170295Resistor arrangement, manufacturing method, and measurement circuit
The invention relates to a resistor arrangement, especially for current measurement in a vehicle electrical system, with two plate-shaped connection elements separated from each other and a plate-shaped first resistive element, which is arranged between the two conn...
01/30/2007
7161460Switching element provided with a foil construction
A switching element provided with a foil construction includes a first supporting foil and a second supporting foil that are kept at a distance from one another via a spacer. The spacer has a recess in at least one active area of the switching element. A contact arr...
01/09/2007
7152484Sensor for detecting a physical property between two movable bodies having high tribological strain
A sensor element (5) detects a physical measurement variable such as a pressure, a temperature, a capacitance, or a gap width between two bodies (10, 20) that move in relation to each other during operation and experience high tribological stress. In c...
12/26/2006
7143640Fluid sampling device, tubular sampling coupon, and system and method for sampling equipment and fluid conditions
In one embodiment, a sampling device has first and second detachable body parts defining a fluid flow path. The first body part defines a fluid inlet of the fluid flow path and the second body part defines a fluid outlet of the fluid flow path. A diameter of a porti...
12/05/2006
7127959Process for assessing inhibition of petroleum corrosion
The present invention is an apparatus for simulating corrosion activity in liquid and vapor/condensate corrosion environments. The apparatus includes a container, including a lower region containing the liquid and an upper region, including a condenser, a heater for...
10/31/2006
7109842Robust fluid flow and property microsensor made of optimal material
A robust sensor that incorporates the necessary physical structure and thermal characteristics is capable of measuring fluid flow and properties under harsh environmental conditions. The sensor die is made of a material with thermal conductivity tailored to provide ...
09/19/2006
7102861Cryogenic current limiting fuse
A cryogenic current limiting fuse is disclosed together with a method of manufacturing a cryogenic current limiting fuse, the cryogenic current limiting fuse comprising a first cryogenic composite and a second cryogenic composite wherein at least one of the first an...
09/05/2006
7053750Voltage probe systems having improved bandwidth capability
A resistive pin for use in a voltage probe includes a pin-head that is configured to contact a test point in a device under test, and a resistor that is attached to the pin-head. Other systems are also provided for establishing electrical connections between testing...
05/30/2006
7043386Potentiometer providing a high resolution
A high resolution potentiometer implemented using at least two digital potentiometers connected in parallel. Each digital potentiometer is controlled to provide a corresponding resistance value, and a desired resistance value is attained by such control. The resolut...
05/09/2006
7034652Electrostatic discharge multifunction resistor
The present invention provides a multifunction resistor having an improved voltage variable material (“VVM”). More specifically, the present invention provides a polymer VVM that has been formulated with a high percentage loading of conductive and/or semiconduct...
04/25/2006
7021821Differential thermal sensors
A sensor includes at least two microsensor chips in a housing. The chips may be arranged as (i) an absolute thermal conductivity sensor by exposing one chip to a sample fluid and the other chip to a sealed reference fluid, (ii) a differential thermal conductivity se...
04/04/2006
6965732Liquid heating method and apparatus particularly useful for vaporizing a liquid condensate from cooling devices
A method and heating device for heating a liquid, particularly useful for removing liquid condensate from cooling devices, by wetting a heating plate with the liquid and controlling the electrical power supply to maintain the heating plate at a the predetermined tem...
11/15/2005
6946855Electrical resistance sensor and apparatus for monitoring corrosion
An apparatus (1) is disclosed for monitoring the effect on a material of exposure to a fluid, and thereby monitoring the effect on a section of pipe (9) for carrying the fluid. The apparatus includes a sensor element (51) exposed to the fluid an...
09/20/2005
6902701Apparatus for sensing volatile organic chemicals in fluids
A chemical-sensing apparatus is formed from the combination of a chemical preconcentrator which sorbs and concentrates particular volatile organic chemicals (VOCs) and one or more chemiresistors that sense the VOCs after the preconcentrator has been triggered to rel...
06/07/2005
6888405Programmable gain amplifier with glitch minimization
A programable gain amplifier (PGA) has an amplifier and a variable resistor that is connected to the output of the amplifier. The variable resistor includes a resistor that is connected to a reference voltage and multiple parallel taps that tap off the resistor. A t...
05/03/2005
6794981Integratable-fluid flow and property microsensor assembly
An integratable fluid flow and property microsensor assembly is configured to be operably embedded in a microfluidic cartridge of the type used in lab-on-a-chip systems. The assembly is a robust package having a microstructure flow sensor contained within a housing ...
09/21/2004
6762673Current limiting composite material
An elongated current limiting composite material comprising one or more high-temperature superconductor filaments and a second electrically conductive member, which may include a sheath of high bulk resistivity surrounding the filament. The current limiter exhibits ...
07/13/2004
6667682System and method for using magneto-resistive sensors as dual purpose sensors
An integrated dual-purpose sensor is shown. The dual-purpose sensor in one embodiment of the present invention includes a full Wheatstone bridge or a half Wheatstone bridge providing two output measurements. Specifically, the Wheatstone bridge provides tw...
12/23/2003
6559771Sensing and measuring circuit employing a positive-temperature-coefficient sensing device
A sensing and measuring circuit, employing a positive-temperature-coefficient sensing device, for detecting the presence and approximately measuring the quantity or concentration of heat-absorptive substances such as water. May be used for sensing a ...
05/06/2003
6549136Sensing and switching circuit employing a positive-temperature-coefficient sensing device
A sensor and associated circuitry for sensing and reacting to the presence of a fluid or other material having heat capacity. A positive-temperature-coefficient device initiates a switching step when the amount of heat-capacity material reaches a certain ...
04/15/2003
6549114Protection of electrical devices with voltage variable materials
An arrangement of voltage variable materials for the protection of electrical components from electrical overstress (EOS) transients. A device having a plurality of electrical leads, a ground plane and a layer of voltage variable material. The voltage var...
04/15/2003
6540944Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device
A current limiting device comprises at least two electrodes; an electrically conducting composite material between the electrodes; interfaces between the electrodes and electrically conducting composite material; an inhomogeneous distribution of resistanc...
04/01/2003
6522236Superconductor structure with high Tc superconductor material, process for producing the structure, and current limiter device having such a structure
The superconductor structure for conducting an electric current in a predetermined direction has a metallic support and one or more conductor tracks. The conductor tracks have at least one electrically insulating interlayer deposited on the support and a ...
02/18/2003
6492709Arrangement for compensating for temperature dependent variations in surface resistance of a resistor on a chip
To compensate for temperature dependent variations and process variations in surface resistance of a main resistor (R1) on a chip (1), one or more compensating resistors (R11, R12. . . R1n) can be connected in series with the first resistor (R1) via norma...
12/10/2002
6486767Rotary position sensor using a strain gage
A rotary position sensor for sensing the position of an attached object. The sensor uses a strain gage to detect the position of the object. The sensor includes a housing and a helical shaped actuator located in the housing. The actuator is attachable to ...
11/26/2002
6476706Current limiter having a high-temperature superconductor
On transition from the superconducting state to the normal conducting state, current limiters having a high-temperature superconductor increase their electrical resistance and thereby limit an electric current which is flowing through them. To provide ele...
11/05/2002
6459358Flexible moldable conductive current-limiting materials
A current limiting PTC device (10) has two electrodes (14) with a thin film of electric conducting polymer material (20) disposed between the electrodes, the polymer material (20) having superior flexibility and short circuit performance, where the polyme...
10/01/2002
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