Class / Patent application number | Description | Number of patent applications / Date published |
338068000 | MECHANICALLY VARIABLE (E.G., RHEOSTAT) | 43 |
20120194318 | Variable resistor device for display device and method of controlling variable resistance using the same - A display device includes a display panel on which a pixel electrode and a common electrode are patterned, and a variable resistor configured to vary a common voltage applied to the common electrode. The variable resistor includes a variable resistance control unit configured to control resistances between resistance terminals that are electrically connected to one another. The variable resistance control unit includes a crown unit, a crown axis combined with the crown unit and configured to guide up/down movement of the crown unit, a first motion variable unit combined with the crown axis, a second motion variable unit selectively combined with the first motion variable unit and configured to vary a variable resistance due to rotary power transmitted from the crown unit, and a housing unit configured to accommodate the crown unit, the crown axis, the first motion variable unit, and the second motion variable unit | 08-02-2012 |
20130113599 | HAND CONTROLLER FOR A CAMERA CRANE - A controller for a camera crane has a rocker button pivotally supported in or on a controller housing about a first pivot axis. A shaft of an electrical component, such as a variable resistor, is on a second pivot axis spaced apart from the first pivot axis. An arm is attached to the shaft. A spring urges the arm to a center position. Movement of the rocker button moves the arm. Due to the offset of the first and second pivot axes, movement of the rocker button results in proportionally reduced movement of the shaft of the electronic component. Smooth crane arm movements are readily achieved as the controller is less sensitive to the operators hand or finger movements. | 05-09-2013 |
20150061819 | CHIP RESISTOR - A chip resistor includes a base member, a resistive element formed on the base member, a first inner electrode held in contact with a first end portion or the resistive element, a second inner electrode held in contact with a second end portion of the resistive element, a first reverse surface electrode reaching a first end portion of the base member, and a second reverse surface electrode reaching a second end portion of the base member. The length of the first and the second reverse surface electrodes is in a range of 2/10 to 3/10 of the length of the base member. Also, the length of the first and the second reverse surface electrodes is greater than the length of the first and the second inner electrodes. | 03-05-2015 |
338087000 | Contact adjustably inserted into resistance element (e.g., penetrating type) | 1 |
20090267725 | SURFACE MOUNT VARIABLE RESISTOR - A surface mount variable resistor meets the needs of user for front and rear terminals of an insulating substrate. The surface mount variable resistor includes an insulating substrate | 10-29-2009 |
338089000 | Mathematical function (e.g., sine-cosine potentiometer) | 1 |
20100066480 | COMPACT DISTRIBUTED LADDER ATTENUATOR - Simple and compact structures for an attenuator or resistor ladder can be implemented in a standard integrated circuit process as well as hybrid, thick or thin film ceramic processes, which allows metallization along with resistive components. The structure has the mathematical property that it attenuates an applied reference voltage logarithmically/exponentially along its length because of the natural solution of the Laplace equation for this type of geometry and contact configuration. | 03-18-2010 |
338099000 | Surfaces pressed together (e.g., compressible type) | 2 |
20090134966 | Pre-loaded force sensing resistor and method - A force sensing resistor (FSR) includes a substrate having separated electrically conductive traces and another substrate having a resistive layer in which the substrates are subjected to a biasing force such that the substrates contact one another with the resistive layer electrically connecting the traces with a resistance inversely dependent on the biasing force. Upon an external force applied towards a substrate, the substrates contact one another with a total force which is the sum of the forces with the resistive layer electrically connecting the traces with a resistance inversely dependent on the total force. An FSR output which is a function of the resistance is measured. Whether a change in magnitude of the FSR output during a time interval is greater than a threshold is determined. A touch applied on the FSR is detected during the time interval if the change is greater than the threshold. | 05-28-2009 |
20110221564 | SWITCH USING VARIABLE RESISTANCE LAYER TO CONTROL STATE - An electrical membrane switch that is actuated by applying a force against a layer of a variable resistance material that overlies and is in direct contact with switch poles that are applied to and supported by a substrate. A gap is provided between the switch poles, and the layer extends across the gap. The substrate can be a circuit board with electrical traces formed thereon to convey electrical current to the switch poles. As a sufficient force is applied to the surface of the layer of the variable resistance material, its resistance changes from a relatively high value, in which the switch is in a non-conducting state, to a relatively low value, in which the switch is in a conductive state. A protective sheet can optionally be included over the variable resistance layer and can include graphics/text to indicate the position of each switch in an array and its function. | 09-15-2011 |
338114000 | Deformable | 2 |
20150318087 | METHOD FOR ADJUSTING A CALIBRATION ELEMENT, AND CORRESPONDING DEVICE - A method for adjusting the electrical behavior or characteristics of a calibration element includes adjusting the electrical behavior or characteristics of the calibration element by making one or more incisions or cuts in the calibration element. | 11-05-2015 |
20150340135 | VARIABLE RESISTANCE AND MANUFACTURING METHOD THEREOF - Embodiments of the present disclosure disclose a variable resistance and a manufacturing method thereof, and the variable resistance is a variable resistance with continually adjustable resistance value. This variable resistance comprises: an elastic insulation envelope and conductive particles filled in the elastic insulation envelope. The manufacturing method of the variable resistance comprises: filling conductive particles into an elastic insulation envelope with an opening; and sealing the opening of the elastic insulation envelope. | 11-26-2015 |
338115000 | Element in piled or stacked layers | 1 |
20090206979 | LAYERED ELECTRICALLY CONDUCTIVE MATERIAL - An electrical resistor has an electrically conductive stack, which includes a plurality of metal first layers and second layers. The stack allows to produce a highly anisotropic resistor, in which the resistance in the direction perpendicular to the layers is much higher than in the plane of the layers. The anisotropy allows the current flowing through the stack to be made homogenous, e.g., to be distributed over the entire stack surface, even if the current is input into the stack in an inhomogenous manner. | 08-20-2009 |
338118000 | Movable contact electrically adjustable over length of resistance element | 16 |
20080231412 | Resistor Network and Variable Resistor Simulator - A variable resistor network has a coarse resistance network and a fine resistance network connected in series with the coarse network. The coarse resistance network comprises a chain of series-connected resistors any one or more of which may be switched out of the series by individual parallel-connected relays. The fine network comprises a shunt resistor together with a fixed resistor and a series-connected adjustable resistor together connected in parallel with the shunt resistor. A control circuit is arranged to control the relays for the switching of the resistors of the coarse network and also to control adjustment of the adjustable resistor. A chosen resistance value can be set by appropriate switching of the coarse network and adjustment of the adjustable resistor. | 09-25-2008 |
20080231413 | RESISTIVE ELEMENTS USING CARBON NANOTUBES - Resistive elements include a patterned region of nanofabric having a predetermined area, where the nanofabric has a selected sheet resistance; and first and second electrical contacts contacting the patterned region of nanofabric and in spaced relation to each other. The resistance of the element between the first and second electrical contacts is determined by the selected sheet resistance of the nanofabric, the area of nanofabric, and the spaced relation of the first and second electrical contacts. The bulk resistance is tunable. | 09-25-2008 |
20090195347 | Device for detecting the location of a compression point - The device has a first substrate on which an electrical resistive element is mounted, and a second substrate on which a contact electrode is mounted. The contact electrode is disposed opposite the resistive element at an electrically insulating distance. It can be brought into electrical contact with the resistive element by pressing the substrates together. The device is provided with electrical or electronic circuitry for detecting the location of the compression point. At least one of the substrates is equipped with a flat leaf spring of spring-grade sheet metal attached flush thereto, which leaf covers the compression zone of the substrates. | 08-06-2009 |
20100201476 | DIGITAL POTENTIOMETER ARCHITECTURE WITH MULTIPLE STRING ARRAYS ALLOWING FOR INDEPENDENT CALIBRATION IN RHEOSTAT MODE - Digital potentiometer architecture is disclosed, composing of an integrated circuit containing multiple string arrays, each having a plurality of switching devices and an array of resistors. The insertion of an additional string array between the input terminals and the wiper, allows for the disconnection of a common string array and for the independent calibration of the resistance between each input terminal and the wiper. | 08-12-2010 |
20120044040 | DIGITAL POTENTIOMETER WITH INDEPENDENT CONTROL OVER BOTH RESISTIVE ARMS - A digital potentiometer includes a circuit containing multiple string arrays, each having a plurality of switching devices connected to an array of resistors. Each input terminal receives a separate digital input code enabling the resistance of one of the arms to be varied without changing the other. | 02-23-2012 |
338122000 | Coarse and fine resistance elements | 1 |
338123000 | Plural elements and plural contacts | 1 |
20160078985 | DUAL RESOLUTION POTENTIOMETER - An electrical assembly including a conductor arrangement and a dual resolution potentiometer electrically connected to the conductor arrangement. The dual resolution potentiometer includes a first resistive element having a first adjustment mechanism and a second resistive element having a second adjustment mechanism. The first adjustment mechanism being coupled in a hysteresis arrangement to the second adjustment mechanism. | 03-17-2016 |
338154000 | With a flexible conductive strip separating the movable contact and the resistance element or taps | 1 |
20110025451 | Magnetically-Activated Membrane Potentiometer - Magnetically-activated contactless potentiometers with a resistive trace and a conductive trace contained within a channel formed of non-conductive material are described. A gap between the resistive trace and the conductive trace is provided, and the conductive trace is either magnetic/ferromagnetic or is provided with a magnetic/ferromagnetic material. In use, a magnetic force is applied to the potentiometer opposite the resistive trace from the conductive trace, thus attracting the conductive trace to physically and electrically connect with the resistive trace at the location of the magnetic force. This magnetically-induced contact between the conductive trace and the resistive trace produces a resistive feedback from the point of contact and allows for changing the resistance of the potentiometer by laterally moving the magnetic force along the length of the potentiometer. The force on the conductive trace may be modified by changing the characteristics of the external magnetic force and/or the conductive trace. | 02-03-2011 |
338160000 | Contact slides along in contact with element | 9 |
20130314203 | POTENTIOMETER - The present invention is directed to a potentiometer having enhanced reliability and durability, capable of being unlimitedly used in a high-temperature environment inside a flying object (air vehicle). Said potentiometer comprises: a consecutive type potentiometer having a structure that a resistor is formed of a material having an excellent stability in a high-temperature environment, and having an excellent surface hardness so as to have a high resistance to damages; and a discrete type potentiometer having a structure that a resistor is protected by a passivation layer, and through holes are formed at the passivation layer for electrical connection with the outside, and the through holes are filled with a conductive material. | 11-28-2013 |
338162000 | Contact angularly slidable | 5 |
20110095861 | BEARING DEVICE HAVING POSITION INDICATOR - The invention relates to a bearing device having a position indicator, comprising a bearing receptacle ( | 04-28-2011 |
338163000 | With knob forming casing or covering | 1 |
20160037652 | METHOD AND APPARATUS FOR ATTACHING A CIRCUIT COMPONENT - Method and apparatus for attaching an electrical component to a printed circuit board. The apparatus includes a circuit board, an elastomeric connector, a rotary electrical component having a connector housing for holding the elastomeric connector, and one or more fasteners for securing the electrical component to the circuit board with sufficient force to compress the elastomeric connector and thereby ensure electrical contact between the electrical component and the printed circuit board. | 02-04-2016 |
338166000 | With removable actuating shaft or key | 1 |
20080211618 | 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 and disposed on the upper surface of the insulating substrate, an internal terminal electrode plate made of a metal plate disposed in close contact with the lower surface of the insulating substrate, and a hollow shaft integrally formed with the internal terminal electrode plate to be fitted in the through hole. The adjustment rotor has a bottom plate rotatably fitted to an upper end portion of the hollow shaft so that the bottom plate makes close contact with the surface of the insulating substrate. The upper end portion of the hollow shaft is crimped to outwardly extend. The bottom plate of the adjustment rotor is smaller in thickness than the remaining portions. Thus, the overall height is reduced without reducing the insertion depth of a screwdriver into the rotor, and without degrading the strength of the insulating substrate. | 09-04-2008 |
338174000 | With collector ring | 2 |
20090051480 | Chip type variable electronic part and chip type variable resistor - In a chip type variable electronic part including an insulating substrate, and an adjustment rotor made of a metal plate rotatably mounted on an upper surface of the insulating substrate, in which the rotor is constituted of a first plate formed in a bowl shape to receive a screwdriver that rotates the rotor, and a second plate superposed on an upper surface of the first plate and integrally coupled thereto via a fold-back joint, and the second plate includes a screwdriver engagement hole perforated therein for the screwdriver to be fitted in, the fold-back joint includes a pair of left and right downwardly bent lugs formed between a bending line of the fold-back joint and the second plate, such that a portion of the fold-back joint between the bending line thereof and the first plate is fitted between the pair of downwardly bent lugs, thereby preventing deformation of the fold-back joint when the rotor is rotated with the screwdriver. | 02-26-2009 |
20090322465 | Potentiometer - The invention relates to a potentiometer comprising (a) at least two electrically conducting segments ( | 12-31-2009 |
338176000 | Contact rectilinearly slidable | 3 |
20080258859 | Load Control Device Having A Flexible Connector - A load control device has a modular assembly to allow for easy adjustment of the aesthetic and the color of the load control device after installation. The load control device comprises a user interface module and a base module. The user interface module includes an actuation member for receiving a user input and a visual display for providing feedback to the user. A connector of the base module is adapted to be coupled to a connector of the user interface module, such that the base module and the user interface module are electrically connected. The connector of the base module is adapted to move along a longitudinal axis and a lateral axis of the dimmer, such that the actuation member is easily aligned within an opening of a faceplate. | 10-23-2008 |
338183000 | With collector bar | 2 |
20120112874 | PRECISION VARIABLE RESISTOR - On the track of a potentiometer a resistive path of thin film is deposited or a foil is bonded to a matched substrate and a parallel path is formed of discrete contact straps extending from the resistive path. The resistive path has a protecting coating and the wiper is moving on abrasion resistant contact straps. This design enables application of high precision and stability resistor technologies in the production of variable resistors destined for long service life. It enables also, in high precision applications, by maintaining the linearity of the output versus input function, a two-wire connection to the variable resistor used as a position sensor. | 05-10-2012 |
20160125984 | SLIDE-TYPE VARIABLE RESISTOR - A slide-type variable resistor comprises a shell, two side guiding tracks, two end locking parts, a variable resistor circuit base, and a manipulating device. The two side guiding tracks are symmetrically assembled in the allocation space. The two end locking parts are symmetrically pressing against the two side guiding tracks respectively to have the two side guiding tracks positioned in the allocation space. The variable resistor circuit base is assembled to the shell and utilized for pressing against the two end locking parts to have the two end locking parts and the two side guiding tracks fixed in the allocation space. The manipulating device comprises a brush base, at least a brush, and a bar. The brush base has two symmetrically positioned sliding tracks slidably positioned in the two side guiding tracks. The brush is connected to the brush base and has elastic recovery to press against the variable resistor circuit base. The bar is connected to the brush base and extended outward from the position restriction hole of the shell. | 05-05-2016 |
338195000 | Resistance value varied by removing or adding material | 9 |
20080197965 | Resistor circuit and oscillation circuit - A resistor circuit includes first to Mth resistor circuit units. A (2j−1)th resistor circuit unit includes a (2j−1)th first fuse element and a (2j−1)th resistor provided in series between a (2j−1)th node and a 2jth node, and a (2j−1)th second fuse element provided in parallel with the (2j−1)th first fuse element and the (2j−1)th resistor between the (2j−1 )th node and the 2jth node. A 2jth resistor circuit unit includes a 2jth first fuse element and a 2jth resistor provided in series between the 2jth node and a (2j+1)th node, and a 2jth second fuse element that is provided in parallel with the 2jth first fuse element and the 2jth resistor between the 2jth node and the (2j+1)th node. The (2j−1)th first fuse element, the (2j−1)th second fuse element, the 2jth first fuse element, and the 2jth second fuse element are disposed in a fuse region. The (2j−1)th resistor is disposed in a first resistor region formed in a first direction with respect to the fuse region. The 2jth resistor is disposed in a second resistor region formed in a third direction with respect to the fuse region, the third direction being a direction opposite to the first direction. | 08-21-2008 |
20090002120 | ELECTRICALLY ADJUSTABLE RESISTOR - An electrically adjustable resistor comprises a resistive polysilicon layer dielectrically isolated from one or more doped semiconducting layers. A tunable voltage is applied to the doped semiconducting layers, causing the resistance of the polysilicon layer to vary. Multiple matched electrically adjustable resistors may be fabricated on a single substrate, tuned by a single, shared doped semiconductor layer, creating matched, tunable resistor pairs that are particularly useful for differential amplifier applications. Multiple, independently adjustable resistors may also be fabricated on a common substrate. | 01-01-2009 |
20090002121 | Chip resistor and method for fabricating the same - A chip resistor and method for fabricating the same are disclosed according to the present invention, wherein a thermo-conductive adhesive bonding layer is applied to bond together in face-to-face orientation a substrate with a fixed resistor, and a passivation layer is applied to partially cover the fixed resistor, such that it divides the surface of the fixed resistor into a central covered region and two uncovered regions to form two electrode zones, thereby eliminating unnecessary current transmission impedance as in prior art, as well as efficiently and stably reducing the temperature coefficient of resistance. The bonding design of the substrate and the fixed resistor of the present invention is capable of overcoming the drawback of the high cost of semiconductor processing as exists in the prior art, and provides a simple fabrication process that is capable of increasing process yield and decreasing production costs. | 01-01-2009 |
20090079536 | Semiconductor device having a trim cut and method of evaluating laser trimming thereof - A method of evaluating laser trimming of a semiconductor device having a thin film resistor is disclosed. The method includes the steps of providing the thin film resistor and laser trimming the thin film resistor by creating a first trim cut. The first trim cut bisects the thin film resistor such that the thin film resistor is divided into a first portion and a second portion. Also, the method involves measuring the insulation resistance of the thin film resistor. In addition, the method involves evaluating the trim cut based on the measured insulation resistance. | 03-26-2009 |
20090096570 | Variable Chip Resistor - A variable chip resistor ( | 04-16-2009 |
20090322466 | FILM RESISTOR AND A METHOD FOR FORMING AND TRIMMING A FILM RESISTOR - A thin film resistor ( | 12-31-2009 |
20110025452 | METHOD AND CIRCUIT FOR RECYCLING TRIMMED DEVICES - A trimmable component network of switched parallel paths is described, each path contains a component, typically a resistor, with a portion of the component bypassed by fuses. The bypassed portion represents the same percentage of the component's value for each of the trimmable components in the parallel paths. A component is measured against a specification and if the specification is not met a prescribed number of fuses are cut to bring the component within its specification. A TRIM CODE may be used to identify the specific fuses to be cut, and thus the specific fuses that are to remain intact. The same TRIM CODE is applied to the components in the parallel paths. | 02-03-2011 |
20130265133 | METHOD FOR ALTERING ELECTRICAL AND THERMAL PROPERTIES OF RESISTIVE MATERIALS - A method for altering a resistance of a resistor including trimming the resistor using a first type of trim approach to increase a resistance measurement of the resistor to above a target resistance value, and iteratively trimming the resistor using a second type of trim approach until a power coefficient of resistance (PCR) or temperature coefficient of resistance (TCR) measurement of the resistor is substantially close to zero. | 10-10-2013 |
20140327512 | RESISTOR AND METHOD FOR MAKING SAME - A resistor includes a substantially cylindrical resistive element having a resistance of less than about 1 mΩ, a substantially cylindrical first termination electrically connected to the resistive element and a second termination electrically connected to the resistive element. The substantially cylindrical first termination is hollow to allow for accepting a connection such as from a battery cable. In addition there may be sense leads present on the resistor. A method of forming a substantially cylindrical resistor includes forming a hollow cylindrical resistor body by rolling a flat sheet comprising a resistive element and a first termination and a second termination joined on opposite ends of the resistive element. | 11-06-2014 |
338198000 | With switch actuated by resistor actuator | 3 |
20130082816 | VARIABLE SPEED TOGGLE TRIGGER - A variable speed toggle switch that allows a user to reverse a rotational direction of a motor and supply variable amounts of power to a motor, such as in a power tool, for example, a power drill. A trigger can include a gear segment that meshingly engages a gear on a potentiometer to electrically communicate the actuation direction and actuation amount of the trigger to a microprocessor. The microprocessor can then signal to an H-bridge, or to a series of transistors, the actuation direction and actuation amount of the trigger. A motor or other device can be powered by a power source in an amount corresponding to the actuation amount, and in a direction corresponding to the actuation direction of the trigger. | 04-04-2013 |
20130285789 | Variable Speed Toggle Trigger - A variable speed toggle switch that allows a user to reverse a rotational direction of a motor and supply variable amounts of power to a motor, such as in a power tool, for example, a power drill. A trigger can include a gear segment that meshingly engages a gear on a potentiometer to electrically communicate the actuation direction and actuation amount of the trigger to a microprocessor. The microprocessor can then signal to an H-bridge, or to a series of transistors, the actuation direction and actuation amount of the trigger. A motor or other device can be powered by a power source in an amount corresponding to the actuation amount, and in a direction corresponding to the actuation direction of the trigger. | 10-31-2013 |
20140340189 | Light Emitting Key - A light emitting key is disclosed. A through hole is made through piezoresistive layer; a light source is arranged under the bottom of the light emitting key. When the light source is turned on, light beams shall emit out of the top substrate. The light emitting effect of the key facilitates it to be used in a dark area such as an aircraft flying in the night sky. | 11-20-2014 |
338199000 | With housing | 1 |
20140375418 | Protection assembly with an operating knob for an electrical potentiometer - A protection assembly with an operating knob ( | 12-25-2014 |
338200000 | With switch | 4 |
20140015634 | VARIABLE RESISTER HAVING RESISTANCE VARYING GEOMETRICALLY RATIO AND CONTROL METHOD THEREOF - An analog amplifier for amplifying an analog signal and an analog filter is provided. In particular, an apparatus and method for controlling gain and cutoff frequency of the variable gain amplifier and the variable cutoff frequency filter that is capable of changing the gain and cutoff frequency are provided. The variable resister includes a plurality of resister segments in the variable resister and, when a plurality of resistance candidates for the variable resister is arranged in order of size, the resistance candidates form a geometric series. | 01-16-2014 |
20140191840 | BINARY CODED DECIMAL RESISTIVE LOAD AND NETWORK - An embodiment of an apparatus for providing a variable resistance may be configured to provide a resistance value according to a binary-coded decimal scheme. The apparatus may be referred to herein as a BCD variable resistance apparatus. The BCD variable resistance apparatus may include a plurality of resistive elements and a plurality of switches. In an embodiment, the resistive elements may be coupled with respective switches in a binary-coded decimal scheme. | 07-10-2014 |
20140361865 | CHIP RESISTOR - [Problem] There is demand for chip resistors that are compact and that have high resistivity. [Solution] A chip resistor ( | 12-11-2014 |
20150116074 | RHEOSTAT - A rheostat includes a connection port, a variable resistor, a controller and a display. The connection port is electrically connected to a computer and configured for receiving a control signal of the computer. The variable resistor is electrically connected to a circuit board. The controller is electrically connected to the connection port and the variable resistor and is configured for changing a resistance value of the variable resistor according to the control signal. The display is electrically connected to the controller and displaying the resistance value. | 04-30-2015 |