487 results about "Resistive element" patented technology

The utility model provides a leveled resistor element, which comprises a substrate, a resistor layer and an electrode layer, solves the problems of impedance increase and abnormal product characteristics caused by improper joint of an interface between the electrode layer and the resistor layer, and comprises the following steps of: after the electrode layer process is finished, forming the resistor layer on the substrate; and laser or grinding is utilized to eliminate the height difference of the interface and process the discontinuous structure of the outline of the electrode layer.

A tamper for making paraffin blocks for histology may include a pliable tamper head and a handle. The handle may be permanently or removably attached to the tamper by using screws, magnets, or the like. The tamper may be made from a pliable material, such as a silicone rubber, with improved thermal transfer and high latent heat. In use, the tamper may be warmed in advance to a working temperature by placing the tamper on a hot plate of the embedding station or on a dedicated smaller hot plate. Alternatively, the tamper may be heated with an electric resistive element, a thermoelectric device, or an electric induction coil.

A strain sensing structure and a fabricating method of the same are provided. The strain sensing structure includes a flexible substrate, strain resistor members, a first wiring layer and a second wiring layer. The flexible substrate has through holes which are distributed separately. The strain resistor members are respectively disposed in the through holes. The first wiring layer is stacked on an upper side of the flexible substrate and includes first wirings, where the first wirings are separate from each other. The second wiring layer is stacked on a lower side of the flexible substrate and includes second wirings, where the second wirings are separate from each other. Each strain resistor member is electrically connected to one of the first wirings and one of the second wirings, so that the strain resistor members form a series circuit through the first wirings and the second wirings.

A frame terminal 8 is bent so that its cross-sectional shape is an S-shape, and such that separation distances L1, L2 and L3 in a horizontal direction between an uppermost portion and a lowermost portion, in the vertical direction, of an end portion side face 21a of a resistance element 8 built into a mold divider 1, and a part substantially midway between an uppermost point and a lowermost point thereof, and the parts of the surface of the frame terminal 6 that correspond to these parts in the horizontal direction satisfy the relation L1>L2≥L3. As a result, in the mold divider 1, a space which is to be filled with a joining material and which has a non-uniform separation distance is formed between the frame terminal 6 and the end portion side face 21a, thereby making it possible to ensure the bonding strength between the resistance element 8 and the frame terminal 6.

The invention relates to sensing compositional information about material by measuring thermal properties of the material. In one arrangement there is provided a needle probe for sensing compositional information. The probe comprises a needle having a tip region. A resistive element is attached to the needle at the tip region. A measurement system is configured to: 1) drive an electrical current through the resistive element to apply heating to the resistive element, and 2) measure an electrical response of the resistive element to the heating. A processing unit analyses the measured electrical response of the resistive element to the heating to determine compositional information about material in contact with the tip region.

The present invention relates to a resistor unit (1, 1', 1''), comprising: at least one electrical resistor (10), at least one fluid-carrying cooling unit (30) on and / or in which at least part of the at least one electrical resistor (10) is arranged, at least one detection unit (3, 4, 5, 6, 7, 71, 72) and at least one evaluation device (40) that can be operatively connected to the at least one detection unit (3, 4, 5, 6, 7, 71, 72), the at least one detection unit (3, 4, 5, 6, 7, 71, 72) being configured to measure a variable that represents the temperature (TR) of the at least one electrical resistor (10) per se or in combination with a further detection unit (3, 4, 5, 6, 7, 71, 72) and that relates to an electrical property of the at least one electrical resistor (10) and / or to a property of a fluid flowing through the fluid-carrying cooling unit (30). The present invention additionally relates to a brake system and to a vehicle having such a resistor unit and to a method for estimating a temperature of the fluid-cooled electrical resistor.

An amplifier circuit includes first and second amplifiers, first and second input-side coils, first and second output-side coils, a resistance element, a first switch including first to fourth terminals, and a second switch including fifth to seventh terminals. The first input-side coil is connected between the first amplifier and the first terminal, the second input-side coil is connected between the second amplifier and the third terminal, the first output-side coil is connected between a signal output terminal and the second terminal, the second output-side coil is connected between the fifth terminal and the fourth terminal, and the resistance element is connected between the sixth terminal and the ground.

The utility model relates to an air duct structure of a forced air cooling brake resistor. The air duct structure is arranged on a resistor box body, the resistor box body comprises a box body air duct and a resistor element arranged in the box body air duct, and the air duct structure comprises a conical air guide device, a fan, an air inlet mesh enclosure and an air outlet shell arranged at the outlet end of the box body air duct which are sequentially connected with the inlet end of the box body air duct; the air inlet mesh enclosure is a cuboid mesh enclosure, a fan receding hole is formed in one side of the air inlet mesh enclosure, and fan blades of the fan are rotationally arranged at the fan receding hole. Compared with the prior art, the air duct structure enables air flow to be evenly distributed in the air duct of the box body, prevents the air flow from generating a blind area in the air duct and causing local over-temperature of a brake resistor, can effectively reduce the adverse effect of walking wind generated when a train travels on heat dissipation of the resistor, and improves heat dissipation efficiency.

The utility model relates to the technical field of NTC (Negative Temperature Coefficient) resistor element processing, in particular to an NTC resistor element lead branching assembly, which comprises a supporting seat, a centering clamping mechanism is arranged on the surface of the supporting seat, the centering clamping mechanism consists of a servo motor, a rotating arm, a pull rod and two groups of clamping plates, the two clamping plates are slidably connected to the surface of the supporting base. The surface of the clamping plate is connected with a branching mechanism, and the branching mechanism is used for branching NTC resistor element leads; the surface of the supporting seat is connected with a pushing mechanism; and the pushing mechanism is used for pushing the wire separating mechanism to move to realize wire separating work. According to the utility model, the automation degree is improved, manual auxiliary operation is not needed in the branching process, the labor intensity is reduced, and the working efficiency is improved; and the whole branching process is automatically completed by a machine, and manual operation does not exist in the process, so that the branching positions are relatively uniform.

The present description relates to a switching circuit (205) comprising at least one first bipolar transistor configured to be coupled to at least one electrical component (106, 109, 506, 507) to be switched, the bipolar transistor (60) having a first conduction electrode coupled to a reference electrical potential through at least one resistive (61) or inductive component or a second transistor (71).

The invention relates to a circuit unit for controlling load currents of an electrical load, comprising a circuit logic, at least n switch elements with n≥2, resistance elements with m≥1, wherein the resistance elements can be bridged by means of the switch elements, wherein the circuit logic is designed such that it increases the load current in steps to a final value by means of an activation sequence of the switch elements, and a method for controlling load currents of an electrical load.

The reliability of an electronic device provided with a conductor pattern covered by a dielectric film is improved. An electronic device (100) is provided with: a substrate (110) including regions (111, 112); a resistance element (40) formed in the region (112); a dielectric film (21) covering the region (111) and the resistance element (40); a conductor pattern (31) formed in the region (111) via the dielectric film (21); an adhesion film (50) that does not cover the region (112) but covers the upper surface (31a) and the side surfaces (31b) of the conductor pattern (31); and a dielectric film (22) that covers the upper surface (31a) and the side surfaces (31b) of the conductor pattern (31) via an adhesion film (50).

The utility model discloses a corner cut sleeve shell PTC heating device, which belongs to the technical field of heating element fixation, and comprises a positive electrode plate, a negative electrode plate, a PTC thermistor plate, a heat transfer base and a corner cut sleeve shell, the PTC thermistor plate is used as a heating element, is embedded into the corner cut sleeve shell and is sleeved on the heat transfer base, and seamless tight fixation is realized. And the inner wall of the chamfered sleeve shell is matched with the outer wall of the PTC thermistor piece, so that electric contact is ensured. The device further comprises insulation paste to achieve insulation. The outer edge of the lower end of the corner cut sleeve shell is provided with a corner cut, so that heat transfer bases in different shapes can be conveniently sleeved and adapted. According to the device, the PTC thermistor element is pressed on two sides, the thickness is reduced, the heat efficiency is improved, and the heat resistance is reduced.

The present disclosure is drawn to, among other things, a configuration bit including at least four resistive elements and a voltage amplifier. At least two first resistive elements may be electrically connected in series via a first electrode and at least two second resistive elements may be electrically connected in series via a second electrode. The at least two first resistive elements may be electrically connected in parallel to the at least two second resistive elements via a third electrode and a fourth electrode. The first electrode and the second electrode may be electrically connected to a voltage supply. The third electrode and the fourth electrode may be electrically connected to an input of the voltage amplifier.

This nitride semiconductor device (1) comprises a power FET (11), an ESD protection FET (12), a diode (13), and a resistor element (14). A gate structure (50G) of the power FET (11) includes a p-type semiconductor layer (52G) and a gate electrode (54G) that is Schottky-connected to the p-type semiconductor layer (52G). An anode structure (50A) of the diode (13) includes a p-type semiconductor layer (52A). The gate structure (50G), a drain structure (51D) of the ESD protection FET (12), and the anode structure (50A) are electrically connected to each other. A source structure (50S) of the power FET (11), a source structure (51S) of the ESD protection FET (12), and a terminal structure (50R) of the resistor element (14) are electrically connected to each other. A gate structure (51G) of the ESD protection FET (12), a cathode structure (50K) of the diode (13), and a terminal structure (51R) of the resistor element (14) are electrically connected to each other.

In an embodiment an amplifier includes a first MOS transistor having a drain connected to an output of the amplifier and a source coupled to a first node configured to receive a first power supply potential, a first capacitive element connected between an input of the amplifier and a gate of the first MOS transistor, a first current source connecting the drain of the first MOS transistor to a second node configured to receive a second power supply potential and a resistive element and a second capacitive element connected in parallel between the gate and the drain of the first MOS transistor, the resistive element including a switched capacitor.

Each of n memory cells (150 etc.) provided in a semiconductor storage device (130a) has: a first resistance element (61p) and a first switch element (71p), which is controlled by a first word line (WL), connected in series between a bit line (BL) and a first source line (SL); a second resistance element (62n) and a second switch element (72n), which is controlled by the first word line (WL), connected in series between the bit line (BL) and a second source line (SLB); a third switch element (73p), which is controlled by a second word line (WLB), connected in series with the second resistance element (62n) between the bit line (BL) and the first source line (SL); and a fourth switch element (74n), which is controlled by the second word line (WLB), connected in series with the first resistance element (61p) between the bit line (BL) and the second source line (SLB).

A method includes forming a transistor over a substrate; and forming a resistive element over the transistor, in which forming the resistive element includes forming a bottom electrode electrically connected to a source / drain region of the transistor; forming a resistive switching layer over the bottom electrode, in which the resistive switching layer is made of metal halide; and forming a top electrode over the resistive switching layer.

An optical device (200, 300) comprising the following: a substrate (201,301); a heterogeneous metal oxide semiconductor MOS capacitor formed on the substrate, wherein the MOS capacitor comprises: an optical fiber (202, 302); a first cathode (204, 304) comprising a first material in which an optical waveguide is formed; an anode (206, 306) formed in the optical waveguide, the anode comprising a second material that differs from the first material; and a dielectric (218, 318) arranged between the first cathode and the anode, wherein the dielectric comprises an oxide of the first material and an oxide of the second material, where the heterogeneous MOS capacitor is defined between the anode and the first cathode; and a semiconductor component layer that is arranged between the substrate and the heterogeneous MOS capacitor and is formed in the optical waveguide, characterized by the fact that The semiconductor component layer and the anode form a resistance element that is integrated into the optical waveguide.

To provide a technique capable of suppressing differential mode noise in addition to common mode noise in a noise filter connected to a pair of power lines.SOLUTION: A noise filter disclosed in the present specification is a noise filter connected to a pair of power lines, and includes a first bypass capacitor connected between one of the pair of power lines and a ground, a second bypass capacitor connected between the other of the pair of power lines and the ground, a first resistive element connected in series with the first bypass capacitor, and a second resistive element connected in series with the second bypass capacitor.SELECTED DRAWING: Figure 2

A cell (12) for a voltage source converter, comprising: a first cell connection terminal (CCI); a second cell connection terminal (CC2); a first series connection of two switches (T1, T2), a midpoint of the first series connection of the two switches forming the first cell connection terminal (CCI); an energy storage branch (ESB) comprising a capacitor (C C ); and a crowbar branch connected in parallel with the energy storage branch (ESB), the crowbar branch comprising a first switching element (SCB1) adapted to be activated to short-circuit the capacitor (Cc) of the energy storage branch (ESB) based on detection of a short circuit fault, and a resistive element (R D ) connected in series with the first switching element and arranged to improve damping in the crowbar branch.

The utility model belongs to the field of design of installation structures in aircraft cabins, and provides a connector device with buffering and vibration reduction functions, which comprises a cabin 1, a circuit board 2, a bolt 3, a rigid body unit 4, a flexible body unit 5, a gasket 6, a self-locking nut 7 and a sunk screw 8. The cabin body 1 is an equal straight thin wall, the circuit boards 2 are modules of an integrated functional structure, and the rigid body units 4 are installed between the two circuit boards 2 at intervals; the bolt 3 sequentially penetrates through the circuit board 2, the rigid body unit 4, the circuit board 2 and the gasket 6 to be screwed with the self-locking nut 7, so that the multi-layer circuit board is fixed in groups; the rigid body unit 4 and the cabin body 1 are directly fixed through the sunk screw 8, and the flexible body unit 5 is arranged between the rigid body unit 4 and the bolt 2 in a spaced mode in the fixing process. Rigid contact between the circuit board and the cabin body can be effectively avoided, vibration impact of the circuit board is reduced, the contact effect of the resistor elements is improved, and therefore the reliability of products is improved, and the service life of the products is prolonged.

The invention relates to the technical field of strip rolling, and discloses a device for rolling an invar alloy ultra-thin strip by using a double-sided electrified auxiliary twenty-high rolling mill, which comprises a rolling mill, a double-sided electrified auxiliary twenty-high rolling mill, a double-sided electrified auxiliary twenty-high rolling mill, a double-sided electrified auxiliary twenty-high rolling mill, a double-sided electrified auxiliary twenty-high rolling mill and a double-sided electrified auxiliary twenty-high rolling mill, the electrifying resistance rollers are arranged on the left side and the right side of the rolling mill and connected with the upper surface or the lower surface of the strip, the electrifying resistance rollers are communicated with a power source, and the electrifying resistance rollers, the strip and the power source form a strip electrifying heating loop; a plurality of resistor elements are sequentially arranged in the electrified resistance roller in the length direction of the electrified resistance roller, the resistor elements are sequentially connected in series and connected with an external control center, the control center is used for controlling the resistance of the resistor elements, the electrified resistance roller is made of conductive materials, and the resistor elements are attached to the inner surface of the electrified resistance roller. The transverse temperature of the strip can be adjusted in a partitioned mode, and the problem of current instability is solved.

This voltage input part includes: a plurality of input terminals to which conductor portions of a plurality of connection codes can be connected; an input panel; a substrate; and a resistance element. The input panel includes, for respective input terminals, a plurality of hollow accommodation parts, each of which accommodates the corresponding input terminal and a substrate electrical path part where a wiring pattern connected to the input terminal is provided in the substrate. The substrate has a gap between the adjacent substrate electrical path parts, and in each of the substrate electrical path parts, a resistance part having a resistance element is disposed in the wiring pattern.

The invention relates to an electric motor, in particular as a drive for a power tool, comprising a power supply device, a stator having a laminated stator core and at least two coil windings, a rotor that can be rotated relative to the laminated stator core, and a control device. At least one recess for receiving at least one resistive element is included on an outer lateral surface of the laminated stator core, where the at least one resistive element is configured to convert a voltage, which can be generated by a coil winding of the stator during a braking operation of the rotor, into heat.

Embodiments of the invention relate to envelope detection. In one embodiment, an envelope detection device comprises: an input terminal configured to receive an amplitude modulated radio frequency signal; a first resistive element and a first MOS transistor connected in parallel between the input terminal and a first node configured to receive a reference potential; a first capacitive element connected between a gate of the first MOS transistor and the first node; an envelope detection circuit connected to the input terminal and configured to supply a voltage representative of an envelope of the amplitude modulated signal; and a circuit for controlling the first MOS transistor, the circuit being configured to supply a first current to the gate of the first MOS transistor only when the voltage is less than a first threshold value, and to draw a second current from the gate of the first MOS transistor only when the voltage is higher than a second threshold value, the second threshold value being higher than the first threshold value.

A method carried out by a processor for compensating temperature dependencies of a piezo resistive element integrated in a pressure sensor includes the steps of: receiving, from the temperature circuitry, a first temperature signal for determining a first temperature of the pressure circuitry; receiving, from the sensor die, a first output signal for determining a first resistive value of the piezo resistive element at the first temperature; transmitting, to the built-in heating element, after receiving the first output signal, a heating signal for heating the pressure circuitry to a second temperature; receiving, from the sensor die after termination of the heating, a second output signal for determining a second resistive value of the piezo resistive element at the second temperature; and storing, in the memory, an updated TC for the piezo resistive element calculated based on the first temperature, the first resistive value, the second temperature, and the second resistive value.

The invention discloses a vacuum measuring tool and a vacuum degree measuring method, and the vacuum measuring tool comprises a measuring circuit which comprises a power supply which is a constant-voltage constant-frequency AC power supply; a resistive element; the current detection element is connected in series with the resistance element and is used for acquiring a current measurement value of the measurement circuit; the capacitor assembly is connected with the resistor element in series; a medium space between polar plates of the capacitor assembly is used for being communicated with a to-be-measured space, a current measurement value collected by the current detection element is in positive correlation with a capacitance value of the capacitor assembly, and the capacitance value of the capacitor assembly is in positive correlation with the vacuum degree of the to-be-measured space. According to the invention, the capacitor assembly is adopted to form the measurement circuit, the conversion from the collected current measurement value to the vacuum degree is realized, the device can be suitable for the measurement in different vacuum states, the precision is high, the integration degree is high, the space is saved, and the system complexity and the maintenance cost are reduced; and the technical barrier that a hot cathode vacuum gauge receives hot electrons is effectively avoided, and the problem that a high-vacuum measuring tool is short in service life is fundamentally solved.

The invention discloses an ultra-wideband small radio frequency antenna for PE pipe detection, and relates to the technical field of antennas. The antenna comprises an insulating medium substrate and a radiation structure arranged on the front surface of the insulating medium substrate. The radiation structure comprises a main radiation patch formed by an index gradual change slot line, an annular patch arranged at an interval with the tail end of the main radiation patch, and a strip-shaped patch arranged at an interval with the annular patch. The resistor element comprises a first resistor, a second resistor and a third resistor, and the main radiation patch is connected with the annular patch through the first resistor; a radiation part of the antenna forms a specific resistance loading network through a radiation structure and a resistance element, and a slot line feed structure feeds energy, so that resonance with lower frequency can be effectively excited, and the low-frequency cut-off frequency of the antenna is reduced, which is crucial for detecting a deep target; therefore, the input impedance of the antenna is very stable in the whole ultra-wideband, the energy transmission efficiency is ensured, and the gain and efficiency of the antenna are gradually increased.