Quotables
"Man will not fly for 50 years."
Wilbur Wright ; 1901
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7737817 | Resistor network such as a resistor ladder network and a method for manufacturing such a resistor network The invention relates to a resistor network (2) such as a resistor ladder network, comprising at least a resistor body (4) which is provided with at least a column (6) of taps (8) situated between a first tap and a second tap, wherein, in... | 06/15/2010 |
| 7268663 | Precision thin film AC voltage divider A precision AC input voltage divider of input resistance RI and feedback resistance RF on a substrate is printed as a serpentine pattern for a thin line of resistive material. The input resistance is formed between a first and second terminal, ... | 09/11/2007 |
| 7221967 | Enhanced gain selected cell phone booster system Apparatus for boosting the signal between a cell phone (14) and a cell site (16), which includes an amplifier (64) that continually operates at a fixed gain. A power detector (72) controls an attenuator (62) that can be switched to... | 05/22/2007 |
| 7186356 | Analytical device A sensor for chemical species or biological species or radiation presenting to test fluid a polymer composition comprises polymer and conductive filler metal, alloy or reduced metal oxide and having a first level of electrical conductance when quiescent and being co... | 03/06/2007 |
| 7057491 | Impedance network with minimum contact impedance An impedance network configuration in the form of a snake-like or ladder structure is provided. The ladder configuration enables the provision of tabs extending outwardly from the normal conducting path, the tabs providing a location for the provision of contact lay... | 06/06/2006 |
| 7049930 | Arrangement of several resistors jointly positioned in a well of a semiconductor device, and a semiconductor device including at least one such arrangement An arrangement of several resistors jointly positioned in one and the same well of a semiconductor device, as well as to a semiconductor device including at least one such arrangement of resistors, wherein the resistors, when viewed in a longitudinal direction of th... | 05/23/2006 |
| 7038571 | Polymer thick film resistor, layout cell, and method A printed circuit polymer thick film (PTF) resistor includes tolerance control material that substantially surrounds the resistor body and significantly improves the linearity of resistance vs. resistor length, and significantly reduces resistor-to-resistor and boar... | 05/02/2006 |
| 6981162 | Suspend-to-RAM controlling circuit A suspend-to-RAM controlling circuit includes a RAM (random access memory) controller, a logic circuit and at least one RAM module. The RAM controller has a controlling pin connected to the logic circuit. Each of the RAM modules has a first enable pin and a second e... | 12/27/2005 |
| 6957345 | Tamper resistant card enclosure with improved intrusion detection circuit A system for protecting an electronic device from mechanical intrusion attempt. An intrusion barrier able to detect mechanical intrusion by means of circuit traces which detect any change in the resistance characteristics of the electric circuit. These circuit trace... | 10/18/2005 |
| 6946948 | Crosspoint switch with switch matrix module A crosspoint switch including a switch matrix modules and programming features. A switch matrix modules include input lines tied to inputs of the switch through precompensation networks. The programming features include user initialization states and reduced and gro... | 09/20/2005 |
| 6926106 | Wheelchair having speed and direction control touchpad A wheelchair having a speed and direction control touchpad. The touchpad comprises two separated semi-conductive film layers, one measuring an X coordinate and one measuring a Y coordinate. When pressure is applied to the layers bringing them into contact with each ... | 08/09/2005 |
| 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 matrix may have switch connections at each node, with the second mat... | 06/28/2005 |
| 6911345 | Methods and apparatus for analyzing polynucleotide sequences The present invention provides an apparatus for analyzing the sequences of polynucleotides. The apparatus comprises (a) flow cell which has at least one microfabricated multilayer elastomeric synthesis channel; and (b) an inlet port and an outlet port. The inlet por... | 06/28/2005 |
| 6507272 | Enhanced linearity, low switching perturbation resistor string matrices Enhanced linearity, low switching perturbation resistor string matrices. The resistor strings are arranged in an array of a plurality of rows of resistive elements and electrically arranged with rows equally spaced above and below the physical centerline ... | 01/14/2003 |
| 6353707 | Electric heating ribbon with multiple coating sections attached to ribbon An electric heating device includes a flexible resistor ribbon, a plurality of sections of electroconductive coating attached to the resistor ribbon at preset intervals, and connector contacts coupled to the resistor ribbon for enabling connection of a po... | 03/05/2002 |
| 6329900 | Resistor elements A multielement resistor may be assembled into a matrix from a plurality of resistor elements (12) of a U shape construction. The elements (12) are suspended from their upper portions by connecting brackets (16) which are supported by a supporting frame (1... | 12/11/2001 |
| 6236302 | Multilayer conductive polymer device and method of manufacturing same An electronic device includes two or more conductive polymer layers sandwiched between two external electrodes and one or more internal electrodes. A three layer device is manufactured by: (1) providing a first laminated substructure comprising a first po... | 05/22/2001 |
| 6229428 | Microcircuit resistor stack A microcircuit resistor stack, which comprises of at least one set of equal value resistors connected in series providing a course trim, the at least one set of equal value resistors having at least two resistor; and at least one wirebond configuration, t... | 05/08/2001 |
| 6201288 | Regulating resistor network, semiconductor device including the resistor network, and method for fabricating the device A regulating resistor network includes a plurality of resistors connected in parallel to each other. Each of these resistors is cuttable by being irradiated with light, and a resistance value of the regulating resistor network is adjustable by cutting at ... | 03/13/2001 |
| 6172343 | Heater and heater control with selective power rating A heater having selective power rating includes a source of electric current, at least one heating unit and at least one electric conductor having an input and an output. Each conductor is permanently fixed at its input and its output so that the conducto... | 01/09/2001 |
| 6111494 | Adjustable voltage divider produced by hybrid technology The invention relates to an adjustable voltage divider arrangement produced by hybrid technology, having a first current-carrying ohmic resistance layer arranged between two printed conductors and a second resistance layer, which is electrically connected... | 08/29/2000 |
| 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 surge and being well applicable to an electronic element whic... | 07/11/2000 |
| 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 resistivity, filled with carbon black, and connected in series and ... | 11/02/1999 |
| 5940579 | Capacitive leakage current cancellation for heating panel A heating panel has a resistive heating layer formed on a substrate. Insulating layers can be formed on the substrate. The heating layer has electrodes on opposite edges connected to different phases of a multiphase power source. Capacitive currents cause... | 08/17/1999 |
| 5929746 | Surface mounted thin film voltage divider A surface mounted thin film precision voltage divider is provided by incorporating two resistors on a single base of the same size and configuration as prior art surface mounted thin film precision resistors. Because the resistors were made at the same ti... | 07/27/1999 |
| 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 a region on a substrate. The resistor stripes are made of... | 05/18/1999 |
| 5646581 | Low inductance electrical resistor terminator package A termination device including a package having a first plurality of pins and a plurality of resistors disposed in the package is described. Each resistor has a pair of termini with one of the termini of each resistor connected to a corresponding one of t... | 07/08/1997 |
| 5616978 | Electroconductive article, having portions with variable resistance and a rotor produced therefrom An electroconductive material has at least one portion in which the electrical resistance varies continuously along a gradient. Accordingly, since the material is not formed by directly bonding different elements, it does not have a weak joint portion. Fu... | 04/01/1997 |
| 5612664 | Electronic circuit An electronic circuit in which resistors R0 . . . Rn+m are coupled in series with fusible cut-outs Q0 . . . Qn+m and in which at least one fusible cut-out Qn+1 . . . Qn+m is bridged by an a... | 03/18/1997 |
| 5606302 | PTC circuit protection device with non-opposed spring terminals An electronic component device includes an electronic component element 13 that is interposed between a pair of spring terminals 14 and 15. The electronic component element 13 is resiliently held by the spring terminals 14 and 15, and contact portions 17 ... | 02/25/1997 |
| 5577158 | Capacitive leakage current cancellation for heating panel A heating panel has a metal substrate, ceramic inner and outer insulating layers on the substrate. A film of resistive material forms a heating layer on one of the insulating layers. The heating layer has electrodes on opposite edges connected to differen... | 11/19/1996 |
| 5428339 | Trimmable resistors with reducible resistance and method of manufacture A trimmable resistor which is prepared with additional electrical contacts between the resistor and the substrate. These contacts are usually not connected electrically to the electronic circuit. Moreover, they do not extend across the entire width of the... | 06/27/1995 |
| 5404126 | Fuse Resistor, and discharging-type surge absorbing device with security mechanism A fuse resistor protects a circuit from a surge, an overcurrent from an unexpected connection, or the like. When a continuous overvoltage higher than a predetermined value is applied to the circuit, the heat from a heat-generating resistant film fractures... | 04/04/1995 |
| 5396214 | Dynamic braking grid resistor configuration for reducing EMI in an electric traction motor vehicle A dynamic braking grid arrangement for reducing EMI generated by dynamic or partial regenerative electrical braking of an electric traction motor powered vehicle coupled to a wayside power source by a third rail or catenary. The grid arrangement comprises... | 03/07/1995 |
| 5379022 | Thermistor device with extended operating range A thermistor device includes plural thermistor elements in series, one or more of which is shunted with a varistor so that if such thermistor heats up and drops excessive voltage, the current therethrough is diverted to the varistor until other thermistor... | 01/03/1995 |
| 5351030 | Variable attenuator for attenuating gain of analog signal in accordance with digital signal A variable attenuator has a plurality of attenuation resistor units, a plurality of switching units, and a plurality of impedance compensation resistor units. The attenuation resistor units are connected in series for attenuating an input signal, and the ... | 09/27/1994 |
| 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 first and third resistor parts via first and second nodes, re... | 06/07/1994 |
| 5309136 | Electrical circuit such as a Wheatstone bridge with a resistance-adjusting portion An electrical circuit such as a Wheatstone bridge has a conductive strip extending between a current input terminal and a current output terminal and includes two resistors having a connecting part therebetween, a conductive segment extending between the ... | 05/03/1994 |
| 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 of resistors that is not evenly divisible by an integer p... | 03/08/1994 |
| 5291174 | Ceramic substrate blower motor resistor array An improved blower motor speed control resistor array in which the resistor elements are defined by multiple optimally sized patches of resistive ink deposited onto opposite sides of a thin flat ceramic substrate. The array comprises three resistive patch... | 03/01/1994 |
