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The present invention is directed to a method, computer program product, and system for performing physics simulations on at least one graphics processor unit (GPU). The method includes the following steps. First, data representing physical attributes associated with at least one mesh are mapped into a plurality of memory arrays to set up of a linear system of equations that governs motion of the at least one mesh depicted in a scene. Then, computations are performed on the data in the plurality of memory arrays using at least one pixel processor to solve the linear system of equations for an instant of time, wherein modified data representing the solution to the linear system of equations for the instant of time are stored in the plurality of memory arrays.

A light emitting diode drive device includes a drive circuit section that applies a direct-current voltage to a light source including a plurality of light emitting diodes connected in series to allow the light source to light up, a voltage detection circuit section that detects a voltage across the light source, and a malfunction determination circuit section that determines that the light emitting diode is short-circuited when the voltage detection circuit section detects a voltage drop and a potential between the voltage before being dropped and the voltage after being dropped is equal to or more than a predetermined threshold value. Thus, it is possible to detect a fact that a light emitting diode, which lights up, is short-circuited or is not short-circuited, with a simple circuit configuration.

The invention discloses a shield grid trench MOSFET device.In grid electrode structures of primitive cells, shield electrodes are formed after epitaxial layers filling trenches are etched back, and trench grids are formed at the tops of the shield electrodes; the shield electrodes and adjacent drift regions make direct contact, carrier balance is achieved, the shield electrodes of the primitive cells and the drift regions form alternately-arranged structures in the transverse direction, and the shield electrodes carry out transverse exhausting on the adjacent drift regions in reverse bias of the device.The invention further discloses a manufacturing method of the shield grid trench MOSFET device.According to the shield grid trench MOSFET device and the manufacturing method, it is unnecessary to arrange dielectric films at the bottoms of the shield electrodes, stepping of device units can be reduced, the specific on-resistance of the device can be reduced, manufacturing difficulty can be lowered, and the uniformity of device performance can be improved.

The invention relates to a method for calibrating a three-dimensional micro-touch force sensor, which comprises the following steps: adopting the bending deformation principle of a cantilever beam to acquire a micro-force signal required by calibrating the three-dimensional micro-touch force sensor; measuring the elastic coefficient of the cantilever beam; based on the cantilever beam of the known elastic coefficient, establishing a calibrating system of the three-dimensional micro-touch force sensor, and measuring input-output property coefficients of the calibrating system by applying acting force of different intensity to the sensor; measuring the measuring bar displacement property of the three-dimensional micro-touch force sensor; according to the measured elastic coefficient of the cantilever beam, the input-output property coefficients of the calibrating system and the measuring bar displacement property coefficient of the sensor, establishing a mathematical model to acquire the input-output property coefficients of the sensor; and according to a zero output voltage value of the sensor and the input-output property coefficients of the sensor, establishing an input-output property equation of the sensor so as to finish the calibration of the three-dimensional micro-touch force sensor. The method can realize the calibration of the output property of the three-dimensional micro-touch force sensor, and has the advantages of high and reliable precision and good repeatability.

The mocro motor includes a system of pulsed light source and a rotation system. The system of pulsed light source possesses laser, electrooptic crystal, polarization disk. The electrooptic crystal is controlled by pulsed signal generation module and amplification loop. The rotation system possesses an expanding arm, friction plate, coaxial rotor, and a piece of compression spring. One end of the expanding arm is fixed, and the other end is pasted to the friction plate. One end of the piece of compression spring is fixed, and the other end is connected to a spring. The rotor is connected to the piece of compression spring, and the friction plate. Advantages are: small output step pitch, high speed, driven by laser directly, no read wire required, microminiature, possible to be placed in enclosure space (such as vacuum cavity), and remote controllable.

A terminal structure of a chip-like electric component capable of blocking entry of electromigration-causing factors through an insulating resin layer in the vicinity of the peak of a raised portion of an electrical element forming layer is obtained. A metal-glaze-based front electrode 103 containing silver is provided on a surface of an insulating ceramic substrate 101. A resistor layer 107 electrically connected to the front electrode 103 is provided on the substrate surface. A glass layer 109a is provided to completely cover a surface of the resistor layer 107 as well as a surface of an end portion of the resistor layer 107 and also to partially cover the front electrode 103. An insulating resin layer 109b is provided to cover a surface of the glass layer 109a as well as a surface of at least an end portion of the glass layer 109a and to partially cover the front electrode 103. A conductive layer 117 made of a resin-based conductive paint is provided to extend over the surface of the front electrode 103 and an portion of the insulating resin layer 109b in the vicinity of the peak of raised end portion of the insulating resin layer 109b. The resin-based conductive paint is made by kneading particulate conductive silver powder and scale-like conductive silver powder into an epoxy-based insulating resin paint.

An automatic speed change apparatus including an input shaft, an intermediate shaft and an output shaft arranged in parallel. The input shaft is coupled to the intermediate shaft by counter gear sets providing first, second and third drive paths. The input shaft is provided with clutches for engaging or disengaging the second and third drive paths and with a brake. The intermediate shaft is provided with a clutch, a brake and a one-way clutch for engaging, disengaging or braking the first and third drive path and with planetary gear sets. The first drive path is coupled to a ring gear, the second drive path is coupled to sun gears, and the third drive path is coupled to a planetary carrier. A planetary carrier and a ring gear are connected to the intermediate shaft, and the intermediate shaft is coupled to the output shaft by a fourth counter gear set.

A method of predicting the level of radio field and/or the duration of radio propagation of a mobile telephone network for the coverage of a cell using the ray tracing technique and utilizing geographical databases, wherein the database directly utilized is a matrix base composed of pixels, each pixel carrying at least an information item specific to the type of ground cover and an information item specific to the height of the ground cover, a vectorization processing is applied to the matrix base to linearize the contours of obstacles encountered while rays are fictitiously traced, the rays according to the obstacles encountered being either reflected or diffracted and scattered, whilst the global attenuation and/or propagation duration is calculated, the vectorization processing of the contours of obstacles being applied to matrix bases to linearize the contours of obstacles encountered by forming straight lines whose positions and various angles are known accurately.

A negative-electrode active material layer 12 contains Li₄Ti₅O₁₂ as a negative-electrode active material, and a positive-electrode active material layer 14 contains LiCoO₂ as a positive-electrode active material. A solid electrolyte layer 13 contains polyethylene oxide and polystyrene as an electrolyte material. Gradients of surfaces of stripe-shaped pattern elements 121 forming the negative-electrode active material layer 12 are smaller than 90° when viewed from a surface of the negative-electrode current collector 11. By such a construction, it is possible to construct a battery having a high capacity in relation to the used amount of the active materials and good charge and discharge characteristics.

A method for restoring a light signal from digital data defining a colorimetric coordinate of the light signal in a specific colorimetric system, comprises the step of generating a first light signal using a first light restoration unit, the step of generating a second light signal using a second light restoration unit, and the step of generating a third light signal obtained by superimposing the first and second light signals. The second light restoration unit covers a brightness dynamics less than the brightness dynamics covered by the first restoration light unit. The second light restoration unit has a brightness resolution finer than the first light restoration unit.

A hydraulic control device for moving at least one hydraulic consumer comprises at least one supply line, a discharge line or bypass line to which the hydraulic consumer is connected, and at least one pressure source and, optionally, a directional control valve. The line contains a dosing device for measuring a hydraulic medium dose by using a given compressibility of the hydraulic medium. The measured hydraulic medium dose either is supplied from the dosing device into the hydraulic consumer connected downstream or is discharged from the hydraulic consumer connected upstream into the dosing device. The dosing device comprises from upstream to downstream in series first and second blocking members which respectively can be switched into a leakage-free blocking position and into a through flow position, and a dead space between the blocking members. For dosing the hydraulic medium dose the blocking members are switched several times alternatingly.