Abstract: A rotary joint, including: a hydraulic follow-up mechanism and a rotary transmission mechanism. The hydraulic follow-up mechanism includes a cylinder body, a valve sleeve, a valve core, a valve body, a left end cover and a right end cover. The rotary transmission mechanism includes a tray, a stabilizing ring, a follow-up disk, a torque transfer disk and a stable supporting wheel mechanism. The left end cover and the right end cover are arranged at the left and right ends of the cylinder body, respectively. The valve body is concentrically mounted in a cylindrical hollow chamber of the cylinder body. The output shaft at the right end of the valve body projects out of the right end cover. The right end of the valve core is provided with a valve core torque transfer shaft extending rightwards through the right end of the valve body.

Abstract: The present disclosure discloses a power conversion system and a method for suppressing the common-mode voltage. The power conversion system comprises a grid-side converter, a motor-side converter, a bus capacitor, a first reactor, a second reactor, and a third reactor. The bus capacitor is electrically connected between the grid-side converter and the motor-side converter. The first reactor includes a first terminal and a second terminal, wherein the first terminal is electrically connected to the motor-side converter. The second reactor includes a first terminal and a second terminal, wherein the first terminal is electrically connected to the second terminal of the first reactor and the second terminal of the second reactor is electrically connected to a motor. The third reactor includes a first terminal and a second terminal, wherein the first terminal is electrically connected to a grid and the second terminal is electrically connected to the grid-side converter.

Abstract: The present disclosure relates to an interface device for high resolution liquid crystal device (LCD). The interface device includes a first connector configured to receive low voltage differential signals (LVDS) provided for a left-half active area of the LCD, a second connector configured to receive the LVDS provided for a right-half active area of the LCD, and a third connector configured to receive operational voltage signals and control signals provided for the LCD. The present disclosure also relates to a LCD with the above interface device. With such configuration, the data signals and the control signals are not mixed to enhance the signal quality, and the display performance of the LCD may not be affected.

Abstract: The present invention discloses a method for preparing an aspheric vision correction lens with controllable peripheral defocus.

Abstract: An apparatus includes a master latch circuit including a first circuit and a second circuit, and a slave latch circuit including a third circuit and a fourth circuit. The first circuit and the second circuit may be coupled to a first shared circuit node, and the third circuit and the fourth circuit may be coupled to a second shared circuit node. The master latch circuit may be configured to store a value of an input signal in response to an assertion of a clock signal. The slave latch circuit may be configured to store an output value of the master latch circuit in response to a de-assertion of the clock signal. The master latch circuit may also be configured to de-couple the first shared circuit node from a ground reference node in response to the de-assertion of the clock signal.

Abstract: The present disclosure discloses a liquid crystal display and the driving circuit thereof. The driving circuit comprises multiple liquid crystal driving units arranged in an array of N rows and M columns. Wherein, the liquid crystal driving unit located at i-th row and j-th column comprises: a first transistor, the gate thereof being connected to the i-th gate line, the source thereof being connected to the j-th data line; a second transistor, the gate thereof being connected to the i-th discharge control line, the source thereof being connected to the i-th discharge wire; a liquid crystal capacitor and a storage capacitor connected in parallel, first terminals thereof being connected to the drain of the first transistor and the source of the second transistor, second terminals of the liquid crystal capacitor and the storage capacitor being connected to the i-th discharge wire.

Abstract: The present disclosure provides a scan compensation method and a scan compensation circuit of a gate driver. The scan compensation method comprises: when the gate driver switching from first scanning mode to second scanning mode or from second scanning mode to first scanning mode, performing a first operation to a clock signal and a first compensation signal of the gate driver, and performing a second operation to the obtained signals and a second compensation signal, wherein the first scanning mode is a sequential scan mode, the second scanning mode is non-sequential scan mode.

Abstract: The present invention providing a gate driver used in display panel, wherein comprises: a chamfering module is configured to receive gate turn-on voltage signals and square wave controlling signals, and chamfers the gate turn-on voltage signals in accordance with the square wave controlling signals to generate and output chamfered gate turn-on voltage signals; and a level shifting module is configured to receive the chamfered gate turn-on voltage signals, inputs voltage signals and gate cut-off voltage signals, and outputs the chamfered gate turn-on voltage signals or the gate cut-off voltage signals in accordance with a voltage value of the input voltage signal. By integrating a chamfering module and a digital adjustable resistance module into a gate driver, it is not necessary to provide a chamfering circuit on a CB of display panel, so as the CB can be miniaturized.

Abstract: The present application discloses a liquid crystal display device having an angle cutting modulating circuit, wherein the liquid crystal display device includes an angle cutting modulating circuit and a thin-film transistor, the angle cutting modulating circuit includes a first modulating circuit and a second modulating circuit, wherein the angle cutting modulating circuit is used to select to open one of the first modulating circuit or the second modulating circuit to realize the modulating of the resistance of the angle cutting resistor when switching modes of the liquid crystal display device to optimize the angle cutting of the gate voltages provided to the thin film transistor in different display modes by the angle cutting modulating circuit. The present application also discloses an angle cutting modulating circuit.

Abstract: The present disclosure discloses a driving method and a driving system for gate scanning line and a TFT-LCD display panel, the method includes: driving the gate scanning lines line by line through the CKV waveform of variable frequency of gate driver; from the first gate scanning line to the middle line of the gate scanning line, the opening time is gradually increased; from the middle line of the gate scanning line to the N-th line of the scanning line, the opening time is gradually decreased. the scanning method using unequal time of each line of gate scanning line of each line of the present disclosure, the charging time of the middle line is the longest, the charging time is gradually decreased from the middle line to both sides, increasing the charging time of the TFT-LCD of the middle region in the display panel and optimizing the overall quality performance.

Abstract: A method predicts a voltage collapse in a micro-grid connected to a power distribution network by measuring states at a point of common coupling of the micro-grid, and a connected bus of the power distribution network connected to the micro-grid through a connection link. Then, it is determined whether a reactive power generation limit of the micro-grid is reached based on the states, and if no, repeating the measuring, and otherwise determining parameters of the connection link using the measurements. A static voltage stability margin index is determined, and a voltage stability margin index is predicted using the static voltage stability margin index and a forecast of future load variations in the micro-grid. Then, it is determined whether the voltage stability margin index is smaller than a threshold, and if no, repeating the measuring, determining and predicting steps, and otherwise if yes, signaling a control action indicating the voltage collapse.

Abstract: Embodiments of the present disclosure disclose a video coding method which includes: obtaining a current picture, motion vector precision of the current picture according to the current picture, where the motion vector precision includes a search step size set, and each search step size in the search step size set is less than a pixel unit; obtaining a current block and a reference picture of the current block; determining a search start point in the reference picture, and searching, from the search start point, for a target integer pixel by using a pixel unit as a search step size; searching, from the target integer pixel, for a match block of the current block according to the motion vector precision; obtaining motion vector information and a prediction residual signal; and the reference picture, the motion vector information, and the prediction residual signal into a bitstream.

Abstract: A scope for a rifle provides a wide field of view and safe eye relief. The scope includes an objective lens group and an ocular lens group, one lens of the ocular lens group being at least 10% greater in diameter than the first lens of the objective lens groups. Focal lengths of the lenses of the ocular lens groups satisfy relationships to provide safe eye relief and a proper distribution of power amongst the lens groups.

Abstract: The present disclosure discloses a power conversion system and a method for suppressing the common-mode voltage. The power conversion system comprises a grid-side converter, a motor-side converter, a bus capacitor, a first reactor, a second reactor, and a third reactor. The bus capacitor is electrically connected between the grid-side converter and the motor-side converter. The first reactor includes a first terminal and a second terminal, wherein the first terminal is electrically connected to the motor-side converter. The second reactor includes a first terminal and a second terminal, wherein the first terminal is electrically connected to the second terminal of the first reactor and the second terminal of the second reactor is electrically connected to a motor. The third reactor includes a first terminal and a second terminal, wherein the first terminal is electrically connected to a grid and the second terminal is electrically connected to the grid-side converter.

Abstract: The present invention relates to a posterior chamber intraocular lens (IOL), comprising: an optic consisting of an effective optical area and an effective optical area edge; at least two haptics connected to the optic, wherein a posterior surface of the effective optical area is a convex surface, and a basic spherical surface thereof has a radius of curvature in a range of 6.6 mm-80.0 mm.

Abstract: An apparatus includes a master latch circuit including a first circuit and a second circuit, and a slave latch circuit including a third circuit and a fourth circuit. The first circuit and the second circuit may be coupled to a first shared circuit node, and the third circuit and the fourth circuit may be coupled to a second shared circuit node. The master latch circuit may be configured to store a value of an input signal in response to an assertion of a clock signal. The slave latch circuit may be configured to store an output value of the master latch circuit in response to a de-assertion of the clock signal. The master latch circuit may also be configured to de-couple the first shared circuit node from a ground reference node in response to the de-assertion of the clock signal.

Abstract: In an embodiment, an apparatus includes an input circuit coupled to a first power supply with a first voltage level, a power circuit coupled to a second power supply with a second voltage level, and an output driver. The input circuit may receive an input signal, and generate an inverted signal dependent upon the input signal. The power circuit may generate a power signal in response to first values of the input and the inverted signals, wherein a voltage level of the power signal may be dependent upon the second voltage level. The power circuit may also generate a third voltage level on the power signal in response to second values of the input and the inverted signals. The output driver may generate an output signal dependent upon the input signal. The output signal may transition between the voltage level of the power signal and the ground reference level.

Abstract: An apparatus for detecting a change in a voltage level of a power supply is disclosed. An inverter coupled to a first power supply may generate a signal dependent upon a voltage level of a second power supply. A latch coupled to the first power supply may be set based on a first voltage level of the second power supply and a first value of the signal, and re-set based on a second voltage level of the second power supply and a second value of the signal different than the first value of the signal.

Abstract: A method for preparing a Nd—Fe—B-based sintered magnet. The method includes: 1) providing a master alloy and an auxiliary alloy, the master alloy being a Nd—Fe—B alloy ingot or cast strip, the auxiliary alloy being a heavy rare earth alloy; 2) breaking up the master alloy using a hydrogen decrepitation process to yield a crude powder, conducting hydrogen absorption treatment on the auxiliary alloy and breaking up the hydrogenated auxiliary alloy to yield hydride particles; 3) uniformly mixing and stirring the crude powder of the master alloy and the hydride particles of the auxiliary alloy to yield a mixture; 4) milling the mixture obtained in step 3) to yield powders; 5) uniformly stirring the powders obtained in step 4) and conducting orientation forming treatment on the powders, to yield a raw body of a Nd—Fe—B based magnet; and 6) sintering the raw body of the Nd—Fe—B based magnet.

Abstract: A novel crystalline form is defined by using diffraction angle 2?° of X-ray powder diffraction pattern and characteristic peaks of differential scanning calorimetry (DSC). Pantoprazole Sodium solid is added to an alcohol solvent to form a suspension with a concentration of 0.05˜0.2 g/mL, and then an antioxidant is added to the suspension, completely dissolving the solid at a temperature of 15˜35° C., and a solventing-out agent is dropwise added to the solution under the application of ultrasonic wave, wherein the amount of the solventing-out agent is 3˜10 times (in volume) of the alcohol solvent; followed by cooling the solution down to 0˜5° C., continuing to stir for 1˜3 h, and suction filtrating obtained solid-liquid suspension to provide a novel crystalline form of Pantoprazole Sodium crystal after drying the product to constant weight.