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7563024 |
Method and apparatus for measurement of electronics device skin temperature
For some embodiments, skin temperature of a computer system may be determined by using a network of thermistors and conductors. A thermistor may be positioned at an intersection of two conductors....
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7423514 |
Constant-power constant-temperature resistive network
A thermally stabilized device is described. Single or multiple input ports are accommodated and single and multiple power ports are described. The variation of resistance of a resistor subject to...
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7227443 |
Fixed network resistor
A fixed resistor network has an insulating substrate, a plurality of film resistors arranged on a top surface of the insulating substrate, terminal electrodes formed for the film resistors on each...
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7081805 |
Constant-power constant-temperature resistive network
A thermally stabilized device is described. Single or multiple input ports are accommodated and single and multiple power ports are described. The variation of resistance of a resistor subject to...
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7049929 |
Resistor process
Circuit panels are provided with resistors in vias extending between the top and bottom surfaces of the panels. The resistors may be formed by depositing a composite in each via, as by depositing a...
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6911896 |
Enhanced linearity, low switching perturbation resistor strings
A resistor string that may have two resistor matrices laid out back-to-back with selected or all nominally equipotential nodes of the two matrices being interconnected. In certain applications, the...
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6747543 |
Resistor for driving motor for air conditioner blower
A resistor for driving a motor for an air conditioner blower is provided, in which internal resistance bodies are stacked over one after another between insulation plates in the resistor, to...
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6720859 |
Temperature compensating device with embedded columnar thermistors
A temperature compensating device comprises one or more columnar thermistors embedded within a substrate. Because the thermistors are substantially covered by the substrate, they are less...
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6606023 |
Electrical devices
A composite circuit protection device includes a laminar insulating member and first and second laminar circuit protection devices. Each of the first and second laminar circuit protection devices...
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6577225 |
Array resistor network
An array resistor network that has a high density of resistors per unit area. The array resistor network includes a ceramic substrate having a top and bottom surface. Apertures extend through the...
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6555787 |
Three conductor heating element
A heating element, including a sensor conductor, two resistive conductors, with one resistive conductor arranged on one side of the sensor conductor and an other resistive conductor arranged on an...
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6556123 |
Polymer chip PTC thermistor
A chip PTC thermistor is provided which is capable of increasing the rate of increase in resistance when an overcurrent is applied, thereby increasing the breakdown voltage. The PTC thermistor...
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6542066 |
Electric assembly and device
An electrical device comprising a pair of electrodes, three substrates, and PTC elements inserted between the substrates, each PTC element having metal layers on both surfaces, in which each of the...
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6392530 |
Resistor array board
A plurality of protective resistors can be easily inserted between circuit forming elements, and opposite ends of each protective resistor can be properly press-contacted to each circuit forming...
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6288627 |
Embedded trimmable resistors
A resistor may be embedded into a substrate. A portion of the resistor may be exposed, by segmenting the substrate, for instance, so that the resistor may be trimmed to a desired resistance level....
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6236301 |
Cantilevered deflection sensing system
A deflection sensing system for detecting deflection includes one or more deflection sensors between opposing sets of extensions. When one set of extensions is moved toward an opposing set of...
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6215388 |
Parallel connected PTC elements
A plurality of PTC material layers and a plurality of metal plates are sandwiched together with one adjacent pair of metal plates connected in series through one layer of PTC material. The...
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6087923 |
Low capacitance chip varistor and fabrication method thereof
A low capacitance chip varistor and a fabrication method thereof are described, which are capable of protecting the electronic elements of an electronic instrument from an external and internal...
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5990778 |
Current-limiting resistor having PTC behavior
The current-limiting resistor has two connection electrodes (1, 2) which are arranged parallel to one another, a resistance body (3) which has PTC behavior and with which large-area contact is made...
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5982273 |
Multi-element type chip device and process for making the same
A multi-element type chip device of the present invention includes an elongate chip substrate (10), 2n pairs of opposed electrodes (12a) [n representing a positive integer] formed on a surface of...
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5977862 |
Polymer high voltage current limiters packaged in series
A polymer high voltage current limiter comprising, per phase, a fast circuit-breaker pole, a semi-fast protection circuit-breaker pole, and a set of polymer-based elements having very low...
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5977863 |
Low cross talk ball grid array resistor network
A resistor network for terminating active electronic devices has low cross talk noise between the adjoining resistors and the conductors that connect the resistors to other electronic packages. A...
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5914559 |
Resistance element and cathode ray tube
A resistance element which is formed on a substrate by resistors and which divides and supplies high voltage to an electron gun of a cathode ray tube, wherein part or all of the substrate is...
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5905427 |
Integrated circuit resistor array
An integrated circuit resistor array suitable for use as resistors included in a high performance analog integrated circuit is provided. A plurality of resistor stripes are collectively arranged in...
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5844468 |
Chip network electronic component
Disclosed is a chip network electronic component prevents a short circuit between adjacent electrodes upon soldering, and the strength of the projecting portion is increased to improve reliability....
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5756971 |
Ceramic heater for a gas measuring sensor
Proposed is a heater arrangement for a measuring sensor for determining components in gases, particularly in exhaust gases of internal combustion engines. The heater arrangement comprises at least...
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5734313 |
Chip-type composite electronic component
A chip-type composite electronic component according to the present invention comprises an insulating substrate (1), a common electrode (2) formed on the substrate (1), a plurality of individual...
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5692291 |
Method of manufacturing an electrical heater
A smoking system is provided in which a replaceable cigarette containing tobacco flavor material is electrically heated by a set of electrical heater elements contained within a lighter to evolve...
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5635893 |
Resistor structure and integrated circuit
A resistor structure (10) having a heating element (35) and a resistor (32), and a method of trimming the resistor (32). The heating element (35) is separated from the resistor (32) by a layer of...
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5600176 |
Integrated voltage divider
Integrated voltage divider comprising partial resistors (R1 ,R2) formed of paths of polycrystalline semiconductor material applied over a dielectric layer (4) on a semiconductor substrate (5)....
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5519374 |
Hybrid thermistor temperature sensor
A hybrid thermistor temperature sensor includes a two-pole network of temperature-dependent resistors being in thermal and electrical contact with each other. The two-pole network has at least one...
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5504470 |
Resistor trimming process for high voltage surge survival
Several trim patterns are illustrated which are suited for use in high voltage, surge prone environments. The invention combines a block resistor with a simple scan cut and two or more plunge cuts...
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5483217 |
Electronic circuit device
An electronic circuit device decreases dispersion in the output of the circuit caused by changes in the resistance of the resistors resulting from stress. Resistor positions are selected on the...
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5382938 |
PTC element
A PTC element has at least one body and two electrodes. The body or bodies has/have and is/are two parallel surfaces, of an electrically conductive polymer composition with a positive temperature...
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5352870 |
Strip heater with predetermined power density
A resistance strip heater includes a pair of elongated, mutually parallel electrical conductors or buses lying on a dielectric substrate. Each bus includes a conductive region extending toward the...
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5334968 |
Chip network-type resistor array
A network-type resistor array in which a plurality of resistors are successively arranged, in which electrode portions of the resistors are respectively separated by angular electrode-separating...
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5319345 |
Variable resistor
A variable resistor is provided with a series resistor network including first, second and third resistor parts which are connected in series, where the second resistor part is connected to the...
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5293148 |
High resolution resistor ladder network with reduced number of resistor elements
A resistor network is provided which significantly reduces the total number of resistors required to achieve a given resolution. It comprises a cell of resistors that consists of a nonbinary number...
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5252944 |
Film-type electrical resistor combination
The film-type electrical power resistor includes a flat chip of aluminum oxide, having a resistive film screen-printed onto one of its sides. Leads are bonded to that side and electrically...
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5248956 |
Electronically controllable resistor
An electronically controllable resistor (ECR) which functions as a fixed or variable resistor over a wide range of operating conditions. The value of the resistance may be altered in a highly...
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5243319 |
Trimmable resistor network providing wide-range trims
A trimmable resistor network including a plurality of series-connected sections each including a plurality of paralleled link resistors each capable of being cut so as to be eliminated from the...
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5218336 |
Resistor device for blower motor
A resistor device for blower motor contains a plurality of PTC element plates having both side surfaces and disposed side by side substantially in a same plane. Each PTC element has an electrode...
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5206623 |
Electrical resistors and methods of making same
An electrical resistor which is fabricated from traces of resistive material on a substrate of insulating material. The traces are interconnected electrically in series by first links and in...
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5197329 |
PTC water level sensor and control
A PTC resistive strip is mounted on a wall of a washer tub. Water in the tub carries away heat from the energized strip thereby reducing its resistance. The water level in the tub is measured by...
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5184108 |
Conductive corners for surge survival
Conductive material is applied to a resistor to provide controlled shunting of current from localized regions of the resistor that would otherwise destructively fail during surge. Various...
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5128616 |
DC voltage tester having parallel connected resistive elements in thermal contact with a thermochronic material
A DC voltage tester having a plurality of resistive elements in thermal contact with a thermochromic material wherein the resistive elements are connected in a parallel configuration.
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5105340 |
Circuit board
In a "Futurebus+" backplane, at each end of the backplane the signal lines are each electrically connected to a power bus spaced from the rear face of the backplane via a discrete resistor which is...
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4703302 |
Resistance ladder network
A plurality of resistors connected in a ladder format and disposed in parallel with each other. Each of the resistors has a resistance part and two mutual connection ends connected to the...
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4658234 |
Resistor network
A resistor network having resistor elements disposed equally spaced apart in parallel relation to each other and one or more insulation substrates to which the resistor elements are rigidly...
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4626804 |
ECL terminator comprised of a plural resistor network
A circuit/packaging arrangement for terminating and decoupling emitter coupled logic comprises a plurality of terminating impedance components (resistors) and decoupling capacitor one end of each...
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