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| Number | Title | Issue Date |
| 7719402 | Potentiometer diagnosis A diagnostic circuit for a potentiometer that connects a load resistor (laboratory resistor) to the slider of the potentiometer to allow a constant comparison of the contact resistance to measured values in the loaded and/or unloaded state when the slider is being a... | 05/18/2010 |
| 7710237 | Sliding operating device A case includes first and second halves, each having an opening in its one side, combined together with the openings opposed to each other. A moving member is accommodated within the case and slidingly movable along a movement guide. An operator is connected to the ... | 05/04/2010 |
| 7633372 | Chip type variable electronic part and chip type variable resistor A chip type variable electronic part includes an insulating substrate with a through hole, an adjustment rotor formed of a metal plate in a bowl shape to receive a screwdriver and disposed on the upper surface of the insulating substrate, an internal terminal electr... | 12/15/2009 |
| 7372127 | Low cost and versatile resistors manufactured from conductive loaded resin-based materials Resistor devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The cond... | 05/13/2008 |
| 7307508 | Sliding resistor having excellent sliding durability A binder resin for sliding resistors contains an acetylene-terminated polyamic acid oligomer represented by the following general formula (I): wherein n is an integer of zero or more. ... | 12/11/2007 |
| 7291797 | Tuning structure of a sound mixer A tuning structure of a sound mixer is disclosed to include a switch set, formed of sliding switches with a respective switching lever, a face panel, which has sliding slots arranged in parallel for the passing of the switching levers of the switch set, a track set,... | 11/06/2007 |
| 7280047 | Real-time electronic spray deposition sensor An electronic spray deposition sensor for sensing deposition of liquid on an exterior surface is disclosed. The deposition sensor has a sensing surface comprising a plurality of electrically conductive elements disposed across the sensing surface. The conductive ele... | 10/09/2007 |
| 7209028 | Position sensor with resistive element A position sensor comprises a resistive element positionable on a first surface. A pair of leads are on the resistive element, the pair of leads adapted to supply a first voltage, such as by being grounded. An intermediate lead is positioned on the resistive element... | 04/24/2007 |
| 7199314 | Joystick and switch A joystick includes a base and a cover mounted over the base. A stick has a first end that extends from the cover and a second end. An active yoke is mounted above the base and is coupled to second end of the stick. The active yoke has a first and second end. The ac... | 04/03/2007 |
| 7164091 | Circuit board associated electrical switch An electrical switch assembly includes an electrical switch having a dielectric housing mounting at least a pair of switch terminals having contact arms exposed at one side of the housing. A printed circuit board has a major flat surface and a side edge surface whic... | 01/16/2007 |
| 7141184 | Polymer conductive composition containing zirconia for films and coatings with high wear resistance A resistive composition for screen printing onto a substrate to form a cured film. The resistive composition, based on total composition, has a) 5–30 wt. % of polymer resin, b) 10–30 wt. % conductive particles selected from the group consisting of carbon black, ... | 11/28/2006 |
| 7100442 | Transmitter for level in a fuel tank of a motor vehicle A thick-film resistance 9 with a conductive path 8 of electrically conductive material is provided in the case of a fuel level transmitter for a fuel tank of a motor vehicle. The conductive path 8 is contacted in a sliding manner by a contact el... | 09/05/2006 |
| 7091819 | Variable resistor card for a fuel level sensor A variable resistor card for a fuel level sensor includes a first wiper contact area, a first electrically conductive pathway electrically communicated to the first wiper contact area, a second wiper contact area, a second electrically conductive pathway electricall... | 08/15/2006 |
| 7091820 | Methods for manufacturing resistors using a sacrificial layer A microelectronic assembly, including a microelectronic element such as a semiconductor chip and a dielectric material covering the chip and forming a body having a bottom surface. The assembly includes conductive units having portions exposed at the bottom surface,... | 08/15/2006 |
| 7079005 | Mechanically buffered contact wiper An electric device contains a medium interposed between first and second electric elements to provide electric continuity between the first element and a defined reference point of the second element throughout a defined range of sliding travel of one of the element... | 07/18/2006 |
| 7055498 | Throttle assembly for internal combustion engine, and throttle sensor In a throttle body there are provided a throttle valve for controlling the flow of intake air in an internal combustion engine, an electrically-driven actuator for actuating the throttle valve, and a reduction gear mechanism for the actuator, and a receptacle portio... | 06/06/2006 |
| 7049927 | Resistance substrate and variable resistor A resistance substrate includes a substrate member, two conductive elements provided on the substrate member, and a resistor element provided on the substrate member, the resistor element electrically connecting the conductive elements to each other. Each of the con... | 05/23/2006 |
| 7042329 | Rotatable variable resistor with clicking mechanism A rotatable variable resistor with a clicking mechanism includes a rotary unit provided with a rotor and a wiper, and a fixed unit provided with a cover, a resistor substrate, and external terminals. The wiper has an arm segment, a clicking projection and a non-clic... | 05/09/2006 |
| 7030727 | High voltage variable resistor device A high voltage variable resistor device includes film resistors of fixed divided resistors and a variable divided resistor, fixed resistors, a variable resistor for adjusting focus voltage, and a variable resistor for adjusting screen voltage, which are formed on th... | 04/18/2006 |
| 7029604 | Conductive resin composition and electrode substrate using the same and method of manufacturing the electrode substrate A method of the invention manufactures a conductive resin composition having powdered silver and a reinforcing agent of the Mohs hardness 3.5 to 4.5 contained in binder resin, and forms an electrode substrate by use of the conductive resin composition. Thereby, hard... | 04/18/2006 |
| 6995650 | Electrical part prevented from improper mounting on circuit board, and mounting structure for the electrical part A mounting structure is provided to mount, on the same circuit board, two types of electrical parts in each of which an operating member is rotatably supported by a housing including sliders and a conductive pattern, such as a contact pattern, and which are similar ... | 02/07/2006 |
| 6958674 | Connector device excellent in air-tightness and EGR sensor having the same A terminal plate is formed with a wide portion and a narrow portion. The wide portion, to be insert-molded by a housing of a synthetic resin, is opened by an elongate blank hole having an inner peripheral surface parallel with a side shape thereof, thereby forming t... | 10/25/2005 |
| 6937132 | High-voltage variable resistor A high-voltage variable resistor includes an insulating-resin front case, and an insulating-resin rear case fitted to the front case. The front case further includes a circuit board having a circuit pattern including a resistive element, and a slider that is slidabl... | 08/30/2005 |
| 6891465 | Variable-resistance element A variable-resistance element exhibiting high wear resistance and superior microlinearity includes a resistor constituted from a first resistive layer containing a first reinforcing material and a second resistive layer containing conductive carbon black and a secon... | 05/10/2005 |
| 6815039 | Resistance element for potentiometric devices, and method of manufacture Conductive plastic resistance element having particles of conductive material embedded therein and projecting therefrom for reducing variations in contact resistance in a potentiometric device in which the element is employed. The element is made by processing carbo... | 11/09/2004 |
| 6794984 | Sliding-type electric component having carbon fiber contact The present invention provides a sliding contact member including a contact element, wherein the contact element includes a bundle of carbon fibers formed by bundling a plurality of carbon fibers and lubricant contained among the plurality of carbon fibers of the bu... | 09/21/2004 |
| 6788187 | Electric resistance element, which can be electromechanically regulated The invention relates to an electric resistance element, which can be electromechanically regulated. A layer of a predeterminable width and thickness, consisting of an electrically conductive material with a constant specific electric resistance, is located on a sub... | 09/07/2004 |
| 6744347 | Variable resistor A variable resistor is constructed to reliably seal the space between a rotor and a substrate without insert-molding the substrate into a case, and to be produced at a very low cost. This variable resistor includes a hollow square-prism shaped case which is open at ... | 06/01/2004 |
| 6740701 | Resistive film A resistive film for use in a potentiometer. The film is in contact with a movable wiper. The film includes a cured polymer resin and a cured thermosetting resin. Conductive particles of carbon black and graphite are dispersed in the film. The conductive particles c... | 05/25/2004 |
| 6677849 | High-voltage variable resistor A high-voltage variable resistor includes a high-voltage variable-resistor substrate, which has at least a base, having at least a resistor element and at least one land electrode on the front surface thereof, and a plurality of through-holes formed at th... | 01/13/2004 |
| 6639507 | Plated precision potentiometer A plated precision potentiometer (PPP), consists of resistance plates, disc, a screw, springs and a cylinder to enclose all moving parts. The PPP will produce a resistance determined by the location of the disc on the plates. The disc will travel on the s... | 10/28/2003 |
| 6587029 | High-voltage variable resistor A high-voltage variable resistor includes a circuit section contained in an insulating casing, a snap-in terminal inserted in a terminal base portion of the casing and connected to an output portion of the circuit section, and an output connecting electro... | 07/01/2003 |
| 6507271 | Resistor excellent in micro-linearity characteristic and variable resistor using the same A resistor is provided that is made by laminating at least two resistive layers, where these resistors have conductive particles held in a binder resin. The resistors are laminated such that a top resistor covers a bottom resistor, and a surface of the to... | 01/14/2003 |
| 6441626 | Rotary position sensor The present invention is directed to a rotary position sensor which includes a housing, connector terminals mounted in the housing, whose connecting portions are exposed inside of the housing, a base plate mounted in the housing, on which a detection circ... | 08/27/2002 |
| 6392529 | Carbon fiber contactor having an elastomer to reduce hysteresis An electrical contactor or wiper that uses an elastomer near the tip to reduce flexing and improve electrical signal accuracy. The contactor includes an elongated beam having a U-shaped end. Several carbon fibers form a bundle attached to the beam. The fi... | 05/21/2002 |
| 6369690 | Potentiometer A resistor card for a potentiometer to measure the fuel in a fuel tank consists of a non-conductive substrate with a plurality of elongate conductive contacts deposited thereon. The contacts have an elevation above the surface of the substrate and the con... | 04/09/2002 |
| 6359545 | Adjustable resistor with slider made from elastomeric material The invention relates to an adjustable resistor comprising a strip of resistance material arranged on an insulating carrier and a slider made of conductive material guidable along the strip and contacting the strip, wherein the slider is manufactured from... | 03/19/2002 |
| 6298566 | Angular-displacement detecting device A device includes a coordinate-detecting sheet and a rotating member having a contact part which circularly slides on the coordinate-detecting sheet. Coordinate data of coordinates of the contact part on the coordinate-detecting sheet is output from the c... | 10/09/2001 |
| 6292090 | Position detecting switch A switch circuit including voltage dividing elements for dividing a reference voltage inputted from an external source through a reference voltage input terminal, a fixed contact having metallic patterns formed on a board, and a movable contact coming in ... | 09/18/2001 |
| 6285276 | Control device for an industrial truck A control device is provided for an industrial truck, in particular the towbar of a towbar-guided industrial truck, having a circuit element to generate a multi-stage electrical control signal. The invention teaches that the switching element has at least... | 09/04/2001 |
