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| Number | Title | Issue Date |
| 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 |
| 7369031 | Potentiometer A non-contact type potentiometer with high resolution of rotation amount detection applicable to endlessly multiple rotations. The potentiometer has an endlessly rotatable first shaft, a first detection unit that magnetically detects a rotation angle of the first sh... | 05/06/2008 |
| 7366212 | Alterable frequency coherent light generator An alterable frequency coherent light generator for the generation of highly energy efficient coherent light, by means of a power supply connected to a four-lead capacitor, which is connected to a variable resistive device in series with a vacuumed bulb. The direct ... | 04/29/2008 |
| 7289107 | Auto-calibration of pointing devices used in a computer user interface A pointing device in a computer system is automatically calibrated by distinguishing between “in presence” and “out of presence” conditions. Calibration correction accommodates differing geometry of users' hands and fingers. Thus, the “natural” “home... | 10/30/2007 |
| 7234386 | Three chamber hydraulic cylinder for an active vehicle suspension with integrated load leveling A hydraulic actuator for an active of semi-active vehicle suspension system has a cylinder with a piston therein. A piston rod is attached to the piston and extends out of the cylinder. First and second chambers are formed on opposites sides of the piston enabling t... | 06/26/2007 |
| 7173389 | Motorized barrier operator adapted to vary operator force for safety purposes and methods for accomplishing the same A motorized barrier operator system that moves a barrier between limit positions includes a barrier, a motor coupled to the barrier and adapted to move the barrier between a full open limit position, a danger zone position, and a full close position. The system furt... | 02/06/2007 |
| 7040457 | Motor speed controller system for freight elevator doors A linear displacement potentiometer is mechanically tied to an elevator door/gate and provides a voltage corresponding to the door/gate position to a programmable controller. The programmable controller uses a software program to determine when the door/gate is full... | 05/09/2006 |
| 6931312 | Detection apparatus for steering angle in vehicle Disclosed is an apparatus for detecting steering angle in vehicle, such that the size of the apparatus for detecting steering angle in vehicle using gears and magneto resistive sensors, could be reduced. An apparatus for detecting steering angle in vehicle including... | 08/16/2005 |
| 6538555 | Throttle valve having potentiometer with supporting plate The invention relates to a throttle valve comprising a potentiometer with a supporting plate (1) the supporting plate (1) to be mounted on a substrate wherein the supporting plate (1) has an upper side (18) on which the resistance tracks (3, 4), wiper tra... | 03/25/2003 |
| 6396386 | Angle sensor which makes it possible to prevent rattling caused by backlash between gears inside the angle sensor An angle sensor in which, when a biasing member is used, a biasing force in the 댢 direction acts on a driving gear, and a biasing force in the 댡 direction acts on an auxiliary gear. This prevents backlash from occurring between a rotary memb... | 05/28/2002 |
| 6169473 | Screw-driven multiturn electrical device An internally threaded carrying member is engaged with a screw thread formed on an operating shaft and is in frictional engagement with a moving member. A first projection is formed at one end part of the operating shaft and a second projection is formed ... | 01/02/2001 |
| 6078249 | Screw-type potentiometer drive with a travel reset An assembly (24) for monitoring the travel of a device includes a potentiometer (26) having a slide bar (32). The potentiometer generates a resistance value according to a position of the slide bar which is coupled to the door through a rotatable member (... | 06/20/2000 |
| 6054917 | Rotatively driven type electric component with slider actuated by screw drive The present invention relates to a rotatively driven type electric component wherein a slider is moved linearly by rotation of a screw. The rotatively driven type electric component with housings, a drive shaft held by the housings and provided with a scr... | 04/25/2000 |
| 5801613 | Linear motion electric component with screw-actuated wiper A linear motion electric component with screw-actuated wiper is disclosed with a shaft member having a shaft portion of synthetic resin formed on an end of a metal pipe shaft. The shaft portion is fitted in a bearing portion, thereby insuring smooth rotat... | 09/01/1998 |
| 5699037 | Variable resistor having clutch mechanism A variable resistor comprises a slider body, a contact arm which is provided to project from the slider body, a contact part which is formed by bending the contact arm, an arcuate spring arm having a projection for engaging with an engaging portion of a r... | 12/16/1997 |
| 5488349 | Multiple range variable resistor A multiple range variable resistor and potentiometer suitable for use in the repair or manufacture of hearing aids and other miniature applications is disclosed. The user of the device can select the desired resistance range thereby allowing one component... | 01/30/1996 |
| 5144275 | Positioning cylinder, especially for subterranean mining A positioning cylinder assembly for subterranean mining applications has a rotary potentiometer connected through a friction wheel transmission with the spindle of the cylinder which is rotated when the piston is axially displaced therein. The friction wh... | 09/01/1992 |
| 5103125 | Electronic control adapter for mechanical throttle control An adapter for a mechanical throttle control to provide electrical signals to an electronic control for an engine. A mechanical vernier throttle control unit for converting rotational motion to linear motion is coupled directly to a potentiometer, the tap... | 04/07/1992 |
| 4978939 | Settable resistor A settable resistor has a resistance path array (4) to which is allocated a contact piece (9) which is guidable in the longitudinal direction (13) over the resistance path array and has an adjusting device for the position of the contact piece. In order n... | 12/18/1990 |
| 4439749 | Electronic tuning block An electronic tuning block including a plurality of screw drive type variable resistors are juxtaposed parallel to one another obliquely on an insulating substrate, and holes for receiving pointers fitted to the screws of the variable resistors and holes ... | 03/27/1984 |
| 4365230 | Lead screw type variable resistor Variable resistor comprises a lead screw 12 rotatably mounted to substrate 42 by conductive mounts 18, 18' and engaging a one-piece stamped and formed sheet metal slider 16 movable along circuit trace 20 in response to rotation of the screw 12. The lead s... | 12/21/1982 |
| 4345235 | Variable resistance device having a resistance element with laser cuts An electrical resistance element for a variable resistance device, such as a thick film resistance element, and a method of making the element and a device utilizing the element, such as a potentiometer, is described. The resistance element comprises a si... | 08/17/1982 |
| 4237442 | Electrical resistance element for variable resistance devices An electrical resistance element for use in variable resistance devices such as trimmers and potentiometers, having two or more resistance materials on a non-conducting base. The resistance materials are aligned along a path of travel of a movable wiper o... | 12/02/1980 |
| 4213112 | Variable resistance potentiometer A potentiometer including a resistance element positioned within the housing. The resistance element comprising a substrate and a resistive track deposited thereon has a collector element and three terminating pads electrically connected to each end of th... | 07/15/1980 |
| 4201969 | Variable resistor and switch assembly A variable resistor and switch assembly which in combination constitute an electronic tuning element assembly, comprises a variable resistor section having a slider movable along a resistance element by means of a rotatable screw, an indicator section hav... | 05/06/1980 |
| 4132972 | Miniature rectangular potentiometer with a spring compression clutch A miniature or subminiature, rectangular potentiometer which automatically disengages and engages at the extreme end settings may be fabricated by using a worm screw which engages and disengages a sector gear. The sector gear is arranged and configured to... | 01/02/1979 |
| 4126846 | Variable resistor A variable resistor constructed from a minimum of parts, includes a housing having longitudinal grooves adapted to retain a base plate carrying a resistance element. The base plate can be inserted in one end of the grooves and slid forwardly until its lea... | 11/21/1978 |
| 4105989 | UHF Substrate tuner potentiometer A potentiometer assembly for providing DC voltages for tuning the UHF channels of a varactor diode television tuner comprises a housing divided into a plurality of elongated compartments, each having a resistive element associated therewith. Each compartm... | 08/08/1978 |
| 4060788 | Potentiometer A resistor having a high resistance and a resistor having a low resistance are arranged in parallel to each other in side by side relation. A pair of input terminals are fixed to both ends of the resistor of low resistance. A movable contact is provided i... | 11/29/1977 |
| 4056795 | Wiper contact for turret-type varactor controller The base portion of the wiper contact is deformable to assure continuous electrical connection between a lead screw and the aligned resistive strip located on the surface of the turret, as the contact is inserted therebetween. The strip engaging portion i... | 11/01/1977 |
| 4053865 | Linear motion coupling A coupling between a linear motion drive shaft and a driven member, suitable for use in a linear motion potentiometer in which the driven member comprises a contact spring mounting block. An O-ring formed from a stiffly deformable, spring material is moun... | 10/11/1977 |
| 4027275 | Controller for a varactor tuner A turret-type controller includes a base with a plurality of resistive strips mounted thereon, each of which is associated with a conductive contact movable with respect thereto. A pair of annular conductive strips are also situated on the base, but axial... | 05/31/1977 |
| 4021768 | Variable resistance control with multiple paddle contactor and method of making the same A variable resistance control of the rectilinear and multiturn type is provided with a contactor having a plurality of contactor paddles. The contactor paddles are wedge-shaped, are defined by a saw-tooth shaped shear line in a planar portion of the conta... | 05/03/1977 |
| 4006442 | Electronic tuning element assembly A variable tuning resistor has a threaded shaft which moves a slider along a linear resistance element. A flexible ribbon is connected at one end to the slider to be moved thereby. A guide member through which the ribbon is guidingly slidable is oriented ... | 02/01/1977 |
| 3987389 | Variable resistor device Herein disclosed is a variable resistor device which may be used as a tuner in an electric appliance such as a television receiver and a stereophonograph, which resistor device comprises a support member having a base wall portion and at least one end wal... | 10/19/1976 |
| 3938070 | Trimming potentiometer in T or Pi network connection with parallel resistance paths A trimming potentiometer in which three parallel resistance paths are located in a plane on an insulating plate. Wiper contacts are displaceable in the same direction on the resistance paths, and are attached to a common carrier which is longitudinally di... | 02/10/1976 |
| 3935555 | Assembly for fine adjustment of a variable impedance mechanism An assembly for fine adjustment of a variable impedance mechanism is disclosed wherein a first disk-shaped rotary member, which functions as a knob, has a spiral ridge or groove formed on one side surface thereof for engagement with the teeth of a second ... | 01/27/1976 |
