58results about "Flexible/folding resistors" patented technology

A method is described for producing tubular substrates having parallel spaced concentric rings of electrical conductors that can be used as the drift tube of an Ion Mobility Spectrometer (IMS). The invention comprises providing electrodes on the inside of a tube that are electrically connected to the outside of the tube through conductors that extend between adjacent plies of substrate that are combined to form the tube. Tubular substrates are formed from flexible polymeric printed wiring board materials, ceramic materials and material compositions of glass and ceramic, commonly known as Low Temperature Co-Fired Ceramic (LTCC). The adjacent plies are sealed together around the electrode.

An improved electrical circuit that includes an embedded electrical component and an embedded voltage variable material (“VVM”) is provided. In one embodiment, the embedded VVM is provided as a voltage variable substrate, which is used in combination with an embedded electrical component, such as an embedded resistive material or an embedded capacitive material.

The present invention relates to a structure for attaching tactile sensors to a curved surface, comprising a sensor fixing unit configured to have at least part of one surface curved and to have a plurality of sensor insertion grooves, crossing each other, formed in the one surface in a matrix form; tactile sensor units formed in a matrix form, inserted into the respective sensor insertion grooves, and configured to detect external force; sealing units configured to seal the respective sensor insertion grooves; and a support unit configured to come in contact with one face of the sealing units or the sensor fixing units and to support the sensor fixing units. Accordingly, the tactile sensors can be easily attached to a curved surface, and mass production is possible.

A method ignites the combustion of fuel in a combustion chamber (5) of engine (2), by introducing microwave radiation into the combustion chamber (5). The microwave radiation is produced in a microwave source (7) on the outside of the combustion chamber (5). The introduced microwave radiation is absorbed by the fuel distributed in the combustion chamber (5). The supply of energy, in the fuel, arising from absorption, distributes combustion in a large-volume in the combustion chamber (5), preferably in the entire combustion chamber (5) and in a homogenous manner, and is essentially simultaneously ignited. An associated ignition device (1) and an associated engine (2) are also provided.

A metal strip resistor includes a resistor body having a resistive element formed from a strip of an electrically resistive metal material and a first termination electrically connected to the resistive element to form a first junction and a second termination electrically connected to the resistive element to form a second junction, the first termination and the second termination formed from strips of electrically conductive metal material. The resistive element, the first termination, and the second termination being arranged mitigate thermally induced voltages between the first junction and the second junction.

A system and method for a bi-directional bend resistor are disclosed. The bidirectional deflectable resistor has a variable resistance stack on a top surface of a substrate having a resistance that changes predictably when an electrical signal is applied thereto. The change of resistance of the variable resistance stack reflects an amount of deflection of the bi-directional bend resistor. The variable resistance stack allows for the measurement of deflection of the bi-directional bend resistor in all directions.

A heating device which includes two first conducting members and at least a second conducting member, wherein the first conducting members are made of silicone rubber conductor and flexibly pressed into an upper thin layer and a lower thin layer between which is arranged the second conducting member. The first and second conducting members are formed into a whole unit by heat and pressure, which are provided holes at predetermined positions for increasing the contact area to disperse electrical current and conducting wires for connection in parallel or series with the power source. Voltages from 0.1V˜500V AC or DC are all applicable. Hence, the first and second conducting members can dissipate heat evenly. The increased temperature ranges from 1˜230° C. with respect to the environmental temperature thereby preventing the formation of high temperature points. Furthermore, the holes can reduced the electrical current required.

A heater (10) for installation on a potable water tank (12). The heater (10) comprises a blanket (14) including an electrical resistance heating element (16) and a connection pad (18) for electrically connecting the heating element (16) to lead lines (20) to an aircraft power source (22). The water tank (12) is typically positioned under the cabin floor or other locations on an aircraft which are susceptible to cold temperatures, moisture invasion, and pressure drops / rises caused by changing altitudes. The heater (10) maintains the tank (12) at an acceptable temperature range and prevents freezing of the water.

A system for measuring electrical properties of a power line comprising a first wire and a second wire. The system comprises a sensor unit configured for connection to the first wire; and an elongated resistive element comprising a first end configured for connection to the sensor unit and a second end configured for connection to the second wire, the elongated resistive element having a distributed resistance. The first wire may be a hot wire and the second wire may be a hot wire or a neutral wire.

A technique for fabricating a resistor on a flexible substrate (10) (28). Specifically, at least a portion of a polyimide substrate (10) (28) is activated by exposure to a ion sputter etch techniques. A metal layer (14) (36) is depositing over the activated portion (12) (34) of the substrate (10) (28), thereby resulting in the formation of a highly resistive metal-carbide region (16) (38). Interconnect layers (18, 20) (40, 42) are deposited over the metal-carbide region (16) (38) and patterned to form terminals (24, 26) (44, 46) at opposite ends of the metal carbide region (l6) (38). The metal-carbide region (16) (38) is patterned to form a resistor between the terminals. Alternatively, only a selected area of the polyimide substrate (10) (28) is activated. The selected area forms the area in which the metal-carbide region (16) (38) is formed. Interconnect layers (18, 20) (40, 42) are disposed over the metal-carbide region (16) (38) and patterned to form terminals (24, 26) (44, 46) at opposite ends of the metal-carbide region (16) (38).

A power semiconductor element and a capacitor have their electrodes joined to each other in a module. The power semiconductor element is formed on a semiconductor substrate having first and second main surfaces. A power semiconductor module includes an electrode through which a main current flows, joined to the first main surface, an electrode through which the main current flows, joined to the second main surface, and a resin portion sealing the semiconductor substrate, the capacitor and the electrodes. The capacitor includes electrodes. The electrode of the capacitor and the electrode of the semiconductor element are joined to each other by solder such that surfaces exposed through the resin portion are arranged on one continuous surface on which a cooler can be attached. Therefore, a power semiconductor module can be provided in which the capacitor and the power semiconductor element can effectively be cooled and the surge voltage can be reduced.

A heat trace system (10) is used for heating water to prevent freezing in a conduit (20) while servicing an aircraft positioned at a passenger loading bridge (52). An upstream fitting (26) is attached onto the conduit adjacent to a building structure and a downstream fitting (48) is attached onto the conduit adjacent to the cab of the passenger loading bridge. A coated retractable coiled wire disposed within the conduit and cold lead wires (46) enter through the upstream fitting and leave through the downstream fitting. A low voltage solid state power control box (56) is in communication with the cold lead attached to the coiled wire inside providing regulated electrical energy for heating the coiled wire thus preventing freezing the water within in the conduit.

Device for remote operation of rotary potentiometers consisting of a mounting bracket 10 supporting a flexible drive shaft 24 which has affixed to its supported end a control knob 2 and at its unsupported end a universal joint 26 which houses a thumb-screw 30 for capture of a rotary potentiometer shaft. Thus allowing the user to operate floor-mounted effects devices from a more natural standing position during a musical performances, rather than having to crouch down during said performance.

To provide an electronic component including a resistor element that can be efficiently produced with a range of resistances, and a method for manufacturing the electronic component, the electronic component includes a pair of terminals, and a resistor element disposed between the terminals. The resistor element includes at least two resistive portions (hereinafter referred to as a first resistive portion and a second resistive portion) that are continuously disposed. The first resistive portion includes a plurality of first dots overlapping one another. The second resistive portion includes a plurality of second dots having a different electric resistance from that of the first dots overlapping one another.

A manually operable position sensor is shown, for providing control signals to an electronic device, such as an audio player. A fabric ribbon (101) has a length substantially longer than its width with insulating yarns and electrically conducting yarns included therein. The conducting yarns define three conductive tracks (103, 104, 105) running the length of the fabric. The conductive tracks are configured to interface with an electronic device at a first end. At a second end, an active region of the fabric forms part of a sensor assembly that is receptive to a manually applied pressure.

The invention relates to a belt type large-power resistor. The belt type large-power resistor comprises a left bracket and a right bracket which are located at the left and right sides, wherein a plurality of resistor belts are arranged between the left bracket and the right bracket. The belt type large-power resistor is characterized in that each resistor belt is formed by wholly bending a stainless steel belt; a ceramic part with a bayonet is arranged between the adjacent two layers of resistor belts; the adjacent two layers of resistor belts are respectively fixedly arranged on an opening of the corresponding ceramic part; the corresponding two layers of resistor belts are insulated by the ceramic part and a screw rod is arranged in each ceramic part in a penetrating manner; the two ends of the screw rods are respectively connected and fixed with the left bracket and the right bracket. Compared with the prior art, the belt type large-power resistor has the following beneficial effects of safe and reliable product performances, large capacity, high electric conductivity, strong flow capacity, high temperature resistance, stable resistance value, corrosion resistance, long service life and simple structure; the belt type large-power resistor is convenient to combine and can be combined into a resistor with larger power.

A position sensor cord includes a hollow insulator formed of a restorable rubber or a restorable plastic, and two linear resistive members. Each of the two linear resistive members includes a linear insulator and a conductive layer provided around a circumference of the linear insulator. The conductive layer is formed of a conductive rubber or a conductive plastic. The two linear resistive members are arranged in no electrical contact with each other and along an inner surface of the hollow insulator. One of the two linear resistive members may be replaced with one linear conductive member.

The disclosure is related to a touch panel with discontinuous chain of resistances. It is formed by an internal series of electrodes of the conducting layer formed by a chain of discontinuous resistances. The design of the chain of discontinuous resistances can compensate for the voltage compensation by the voltage drop generated by the distance of chain of electrodes wherein the chain of discontinuous resistances is located at the interface of the series electrodes, and the length chain of discontinuous resistances is calculated by the specific equation.

A flexible element for use in a rotary position sensor or the like having the direction of electrical traces on one surface of the element altered without putting the traces into tension. The directional change is accomplished by partially splitting the flexible element and continuing an electrical trace from one side of the split back along the other side. The invention makes it possible to decrease the size for a given operational angle of mechanically variable resistors without sacrificing quality or reliability.

To provide an electronic component including a resistor element that can be efficiently produced with a range of resistances, and a method for manufacturing the electronic component, the electronic component includes a pair of terminals, and a resistor element disposed between the terminals. The resistor element includes at least two resistive portions (hereinafter referred to as a first resistive portion and a second resistive portion) that are continuously disposed. The first resistive portion includes a plurality of first dots overlapping one another. The second resistive portion includes a plurality of second dots having a different electric resistance from that of the first dots overlapping one another.

A method for fabricating wire fuse elements is provided. The method includes providing a continuously extending high resistance fuse wire having a first electrical resistivity. The method also includes applying a conductive material to the wire, and reducing the first electrical resistivity of the wire to a second electrical resistivity lower than the first electrical resistivity. The method also includes selectively removing a portion of the conductive material from the wire, and forming at least one high resistance portion having the first electrical resistivity wherein the conductive material is removed, and the wire having the second electrical resistivity in portions thereof wherein the conductive material remains.