45results about How to "Eliminates the effects of hysteresis" patented technology

By introducing a atomic species, such as carbon, fluorine and the like, into the drain and source regions, as well as in the body region, the junction leakage of SOI transistors may be significantly increased, thereby providing an enhanced leakage path for accumulated minority charge carriers. Consequently, fluctuations of the body potential may be significantly reduced, thereby improving the overall performance of advanced SOI devices. In particular embodiments, the mechanism may be selectively applied to threshold voltage sensitive device areas, such as static RAM areas.

The invention discloses a tracking photography system and a tracking photography method. The tracking photography method comprises the following steps: a photography system with a communication module, a distance measuring module and a direction sensor obtains the position of a movable terminal with the communication module and a sensor module at a tracking starting moment through the distance measuring communication module and the direction sensor; the movable terminal obtains a current motion state of the movable terminal through an internal sensor module set, and obtains the current position of the movable terminal through computation; the movable terminal sends the current position to a photography device; the photography device performs tracking photography by controlling an electrical platform to align to the position of the movable terminal. The invention provides the tracking photography system and the tracking photography method, which can perform precise positioning and tracking photography on a photographed object without the need of aligning the movable terminal to the photography device deliberately.

Junction field effect transistors (JFETs) can be fabricated with an epitaxial layer that forms a sufficiently thick channel region to enable the JFET for use in high voltage applications (e.g., having a breakdown voltage greater than about 20V). Additionally or alternatively, threshold voltage (VT) implants can be introduced at one or more of the gate, source and drain regions to improve noise performance of the JFET. Additionally, fabrication of such a JFET can be facilitated forming the entire JFET structure concurrently with a CMOS fabrication process and/or with a BiCMOS fabrication process.

An induction heating system and a method for controlling a process temperature for induction heating of a workpiece. The induction heating system comprises an inductor configured to generate an alternating magnetic field in response to an alternating current supplied thereto, a magnetic load comprising a magnetic material, the magnetic material having a Curie temperature and being configured to generate heat in response to the alternating magnetic field being applied thereto, the magnetic load being connectable to the workpiece in a heat-conducting manner so as to transfer the generated heat to the workpiece, and a control unit configured to control the process temperature for manufacturing the workpiece by adjusting the alternating magnetic field when the temperature of the magnetic material is in a temperature control range around or below the Curie temperature of the magnetic material, the temperature control range being dependent on the magnetic material of the magnetic load.

The invention discloses a cloud deck photography system and a cloud deck tracking photography method. The cloud deck photography method comprises the following steps: an electric cloud deck obtains a position of a movable terminal at a tracking starting moment through a near field communication module and a direction sensor; the movable terminal obtains a current movement state of the movable terminal through a built-in sensor module set and obtains a current position of the movable terminal through computation; the movable terminal sends the current position to the electric cloud deck through the communication module; the electric cloud deck performs tracking photography by aligning to the position of the movable terminal. The invention provides the cloud deck tracking photography system and the cloud deck tracking photography method which can perform precise positioning and tracking photography on a photographed object without aligning the movable terminal to the photography device deliberately. Meanwhile, the movable terminal is subjected to initialization positioning and setting through the near field communication module of the electric cloud deck, so that the positioning precision during initialization is improved and the operation complexity is lowered.

A system and method for controlling a mass flow controller to have a constant control loop gain under a variety of different types of fluids and operating conditions, and for configuring the mass flow controller for operation with a fluid and/or operating conditions different from that used during a production of the mass flow controller. Further, the system and method includes providing control by reducing the effects of hysteresis in solenoid actuated devices by providing a non-operational signal to the solenoid actuated device.

In a method of mitigating hysteresis effect in a sense amplifier circuit, a data value is sensed from a data source with the sense amplifier during a first period. The data value is stored in a latch. The data valued stored in the latch is inverted, thereby generating an inverted data value. The data source is isolated from the sense amplifier and the inverted data value is read with the sense amplifier during a second period immediately following the first period.

A blue phase liquid crystal material includes a liquid crystal host, a chiral reagent and a stable polymer. The chiral reagent is R811. The stable polymer is formed by photo-polymerizing a first monomer and a second monomer. The first monomer is 2-ethylhexyl acrylate (2-EHA), and the second monomer is 2-methyl-1,4-bis{4-[3(-acrylate)propoxyl]benzoicacid}phenylester (PTPTP). The blue phase liquid crystal material has a blue phase temperature range widened to an extremely low temperature. A blue phase liquid crystal composition and a method for manufacturing the blue phase liquid crystal material by using the blue phase liquid crystal composition are also provided.

The invention discloses an automatic tracking photography system and an automatic tracking photography method. The automatic tracking photography method comprises the following steps: a photography system with a communication module, a near field communication module and a direction sensor obtains the position of a movable terminal with the communication module, the near field communication module and a sensor module set at a tracking starting moment through the near field communication module and the direction sensor; the movable terminal obtains an current motion state of the movable terminal through an internal sensor module set, and obtains the current position of the movable terminal through computation; the movable terminal sends the current position of the movable terminal to a photography device; the photography device performs tracking photography by controlling an electrical platform to align to the position of the movable terminal. The invention provides the automatic tracking photography system and the automatic tracking photography method, which can perform precise positioning and tracking photography on a photographed object without the need of aligning the movable terminal to the photography device deliberately.

The invention provides a current detector and especially a technology for eliminating the influences of hysteresis by a simple strucure without complex action. The current detector (100) comprises a magnetic body core (102) which is arranged in a ring along the surrounding direction of a magnetic field generated when a detected current (If) is conducted, wherein an interval (102d) for arranging a Hall element (106) is formed on a part; and a demagnetization circuit (150) which applies an alternating current with preset attenuation characteristics and a frequency in a preset range for a demagnetization coil (156) of the magnetic body core (102) so as to eliminate the residual magnetic flux in the magnetic body core (102).

A low hysteresis pivot bearing suitable for a variety of applications. The relationship between torque and angular displacement is substantially linear, with negligible residual hysteresis. The pivot bearing includes a pivot shaft and an inner sleeve pivotally attached to the pivot shaft by an inner bearing. An outer sleeve is pivotally attached to the inner sleeve by an outer bearing. An inner sleeve actuator continuously rotates the inner sleeve relative to the stationary shaft.

A mechanical system has a component, which is movable under friction. An oscillating micromotion (dither) is impressed upon the component, which, if necessary, is added to a non-oscillating base motion of the component. It is provided that the micromotion (without the base motion that is additional, if necessary) is faster within a period of the oscillation in the one direction and is of shorter duration than in the opposite direction (asymmetrical dither).

Embodiments of systems and methods are described for reducing the effects of hysteresis in the operation of data processing circuitry. In this embodiment of the invention, adaptive control circuitry is used to reduce the effects of hysteresis. The embodiment disclosed herein provides significant reduction in the effects of hysteresis and, therefore, a significant reduction in the amount of guard band needed to compensate for hysteresis effects in SOI processes and thereby improving the performance/power characteristics of the circuit.

A pixel for an organic light emitting display device includes an organic light emitting diode that emits light by a driving current, a driving transistor configured to control the driving current, a first transistor to connect the second node and the third node, a second transistor to apply a data voltage to the first node, a third transistor to apply a high-potential driving voltage to the second node, a fourth transistor that forms a current path between the driving transistor and the organic light emitting diode, a fifth transistor to apply an initial voltage to the driving transistor, a sixth transistor configured to apply a reset voltage to a fourth node which is an anode electrode of the organic light emitting diode, a seventh transistor configured to apply the high-potential driving voltage to the fifth node, and an eighth transistor configured to apply a reference voltage to the fifth node.

The invention discloses a pixel circuit and a driving method thereof and a display panel. Firstly a zero voltage signal is loaded to the data signal end for eliminating the influence of conduction ofthe first switching transistor and the second switching transistor on the gate voltage of the driving transistor under the effect of the parasitic capacitance in the blank period of time; then a firstlevel data signal of a certain duration is loaded to the data signal end so as to eliminate the hysteresis effect of the driving transistor from the turn-off to conduction process by using the bias algorithm; then a falling data signal is loaded to the data signal end to eliminate the influence of factors such as data coupling; then a second level data signal is maintained on the data signal endduring acquisition of the compensation data, and the induction signal end is charged after the first switching transistor is turned off for acquisition of compensation data of the induction signal end; and finally a gain data signal is load to the data signal end to eliminate scanning dark lines so as to eliminate the problem of horizontal stripes left in switching of frames.

The invention discloses a Hall angle/position sensor which comprises a rotor core and a stator core, wherein the rotor core consists of a permanent magnet and a soft magnetic material device and is driven by an external executor to rotate through a mechanical structure; the stator core consists of three soft magnetic material devices; two soft magnetic material devices are provided with parallel polar plate structures; and a Hall chip is mounted between the parallel polar plates of the soft magnetic material devices in the stator core. Through the invention, the linearity of the Hall angle/position sensor can be increased, and the hysteresis performance can be improved.

A motor speed control system includes a motor, a control module and a displaying module. The motor includes a rotor and a stator. The rotor includes at least one induction rotor portion. The stator includes at least one induction stator portion. The induction rotor portion is corresponding to the induction stator portion. The control module is electrically connected to the rotor and the stator. The control module controls an induction rotor current of the induction rotor portion and an induction stator current of the induction stator port on to produce a rotor speed. The control module decreases or turns off the induction rotor current to keep the rotor speed at a predetermined value according to a rotational inertia of the rotor and the induction stator current when the rotor speed reaches the predetermined value. The displaying module displays the rotor speed and variable currents.

A carrier or substrate for a photoconductor to be used for the formation of an electrophotographic recording element, particularly an imaging drum for an electrophotographic printing press, wherein the carrier is made of a metal or a metal alloy, preferably of aluminum, is prepared wherein the surface of the carrier supporting the photoconductor, used to form a barrier layer, is oxidized, preferably by etching and/or anodizing. The oxidized surface of the barrier layer is sealed with a sealing material following oxidation, and a preservative or impregnating agent is used as the sealing material.