65results about How to "Quantity halved" patented technology

The invention discloses an S-mode responder with the automatic dependent surveillance broadcast mode capability for a 1090-megahertz extension telegraph text. The S-mode responder comprises an antenna, a receiving module, a radio frequency sampling module, a data processing module, a signal processing module and a transmitter module, wherein the antenna is used for receiving a 1030-megahertz signal and a 1090 MHz (megahertz) signal and sending the 1090 MHz signal; the receiving module is used for carrying out amplitude limitation, clutter removal and amplification to the signal; the radio frequency sampling module is used for sampling the signal; the signal processing module is used for identifying and decoding the signal to identify whether the signal is 1030MHz A/C/S interrogating signal or a 1090ESADS-BIN signal, and the decoded signal is sent to the data processing module; the data processing module is used for processing the decoded signal; the signal processing module is used for coding an answering signal sent from the data processing module and/ or initiatively generating an 1090ESADS-BOUT coding signal in a 1090ESADS-BOUT time sequence according to the data sent from the data processing module; and the transmitter module is used for transmitting the signal.

The invention discloses a shift register, a gate driving circuit and a display panel. The shift register comprises a pull-up module, a pull-down module, a reset module, a first control module, a second control module and an output module. By adopting the pull-up module, the pull-down module, the reset module, the first control module, the second control module and the output module, normal output of scanning signals can be realized. The output module of the shift register comprises two output ends which are connected with two adjacent gate lines, thus, one shift register disclosed by the invention can correspond to two gate lines, and the effect of inputting the scanning signals to the two adjacent gate lines by means of one shift register can be further realized. Compared with the situation that one shift register corresponds to one gate line in the prior art, the number of the shift registers can be reduced by half in the invention, thereby reducing the area occupied by the gate driving circuit on the display panel, saving the manufacturing cost and facilitating the implementation of the narrow-bezel design of the display panel.

The invention relates to a drive circuit of a liquid crystal display device and a drive method thereof. The drive circuit of the liquid crystal display device comprises a liquid crystal panel which comprises a plurality of scan lines, a plurality of data lines and a plurality of pixel units; a gate driver which provides scanning voltage for a plurality of scan lines; a source driver which provides data signals for a plurality of data lines; a scanning control circuit which is electrically connected between the gate driver and a plurality of scan lines, the scanning control circuit controls a plurality of odd lines of scan lines to be sequentially scanned within the field time, and a plurality of even lines of scan lines are to be sequentially scanned within the other field time.

The invention discloses a shift register unit, a gate drive circuit, a display panel and a display device. The shift register unit comprises an input circuit, a first control circuit, a second controlcircuit, a cascade signal output circuit, a first scanning output circuit and a second scanning output circuit. Through mutual cooperation of the above six circuits, a cascade signal output end is allowed to output cascade signals to realize cascade shift trigger, a first scanning signal output end is allowed to output first scanning signals, a second scanning signal output end is allowed to output signal scanning signals, a certain phase difference is generated between the first scanning signals and the second scanning signals, each shift register unit is allowed to output two scanning signals with a certain shift difference to correspond two rows of gate lines in the display panel, the number of the shift register units in the gate drive circuit can be halved, occupation space of the gate drive circuit is reduced, and ultra-narrow border design is realized.

The invention discloses a three-level power electronic traction transformer of a non-power frequency transformer. An input reactor L is connected with a traction network (V) to realize the vehicle-mounted power transformation, n identical function modules (M1-Mn) which are connected by input serial connection and output parallel connection are adopted, and each module is a power electronic device of an alternating current-direct current converter with a single-phase structure. The transformer is characterized in that a power electronic device consists of a single-phase diode inserting type three-level rectifying circuit and a half-bridge three-level bidirectional direct current-direct current converter. The transformer has the advantages that the structure is concise, and the requirement of the resonance is not necessary to meet ; the size of the system is greatly reduced, the working efficiency and electric energy quality are improved, the system is controllable, and the easiness in adverse effects, such as resonance, is avoided; the three-level output is realized, the current returning energy in the single switch cycle is reduced, and the energy transmission efficiency is greatly improved.

The invention discloses a single winding hybrid excitation magnetic lead screw and belongs to the field of electromechanical transmission. The invention solves the problems of low thrust density, complex structure, and low utilization of an excitation winding of an existing hybrid magnetic circuit magnetic lead screw. The single winding hybrid excitation magnetic lead screw includes a magnetic nutand a magnetic screw, both of which are provided with spiral permanent magnets, and also includes an annular excitation winding. The magnetic nut coaxially sleeves the outside of the magnetic screw and an air gap is left therebetween. The annular excitation winding is fixed on the magnetic nut or the magnetic screw, for adjusting a coupling magnetic field of the air gap so as to adjust the thrustacting on the magnetic nut and the magnetic screw and finally complete the mutual transformation of linear motion and rotary motion. The single winding hybrid excitation magnetic lead screw of the invention is mainly for use on the electromechanical transmission.

The invention relates to an X-ray sensor and a fabrication method thereof. The X-ray sensor comprises scanning lines, data lines and a pixel unit array, wherein the scanning lines and the data lines are arranged in a cross way, the pixel unit array is formed by the separation of the scanning lines and the data lines, each pixel unit comprises a switch element and a photoelectric sensing element connected with the switch element, at least two data lines are arranged between every two adjacent rows of pixel units, one scanning line is shared by at least two lines of pixel units, and in the at least two lines of pixel units, the switch elements of the pixel units in the same row are respectively connected with different data lines. The X-ray senor improves data acquisition rate and ensures that the quantity of the scanning lines is reduced by half, thereby correspondingly reducing the quantity of the driving circuits for driving the scanning lines.

The invention belongs to the technical field of the optical fiber sensing technology, and particularly relates to a method for improving the monitoring distance of the single-core feedback optical fiber sensing technology and an optical fiber interference structure. The method comprises the following steps that: two mutually-independent optical fibers are connected to a common optical fiber interference assembly, and the two optical fibers share a light path of the optical fiber interference assembly, so that each optical fiber forms an integral interference structure together with a feedbackdevice at the tail end of each optical fiber and the optical fiber interference assembly; a phase modulation device is connected in series on one of the optical fibers, a modulation signal is appliedto the light path from the phase modulation device, and an interference signal generated by the path of optical fiber is separated from that generated by the other signal of optical fiber by selecting an operating point of the modulation signal to achieve the effect of the multiplication of the monitoring distance. In the method, only one carrier wave is applied, the setting flexibility of modulation parameters is large, and signal separation is complete and easy to realize. The method is particularly suitable for long-distance pipeline monitoring, the large-range peripheral security protection of optical fibers and the like.

The invention provides an SRAM (Static Random Access Memory) storage unit, an SRAM circuit and a reading and writing method thereof. The SRAM storage unit is composed of first, second, third, fourth, fifth, sixth and seventh MOS (Metal Oxide Semiconductor) transistors and eighth, ninth and tenth MOS transistors, wherein the first, second, third, fourth, fifth, sixth and seventh MOS transistors participate in writing operation; the eighth, ninth and tenth MOS transistors participate in reading operation; the grid of the third MOS transistor is connected to a first control signal; the grid of the fourth MOS transistor is connected to a second control signal; the grid of the ninth MOS transistor is connected to a column selection signal; and the grid of the tenth MOS transistor is connected to a word line. According to the invention, power consumption and loss of the existing data aware type SRAM structure in a half-selected state can be avoided; influence to the stability of the SRAM storage unit due to a parasitic capacitor is reduced; and simultaneously, the reading and writing performances are improved.

The invention provides a gamma correction circuit and an operation method thereof. In the gamma correction circuit, an nth operational amplifier (OP(n)) is arranged between a 2n-1th gamma binding point and a 2nth gamma binding point; the 2n-1th gamma binding point comprises a 2n-1th control switch (K(2n-1)) used for being connected or disconnected with the output terminal of the nth operational amplifier (OP(n)) and a 2n-1th capacitor (C(2n-1)) the two ends of which are electrically connected with the 2n-1th control switch (K(2n-1)) and grounded respectively; the 2nth gamma binding point comprises a 2nth control switch (K(2n)) used for being connected or disconnected with the output terminal nth operational amplifier (OP(n)) and a 2nth capacitor (C(2n)) the two ends of which are electrically connected with the 2nth control switch (K(2n)) and grounded respectively; and multiplexing of the operational amplifier is realized. Compared with the prior art, the gamma correction circuit has the advantages that the quantity of the operational amplifiers can be halved, and the area of a mobile phone display screen driver IC and cost are reduced.

An embodiment of the invention provides a redundant electric power steering device. The redundant electric power steering device includes a first circuit board and a second circuit board configured to control a motor; the first circuit board and the second circuit board are arranged in a stacked mode in the direction parallel to the end surface of a motor shell; a plurality of control units are arranged on the first circuit board; the second circuit board comprises a plurality of redundant parts; the plurality of redundant parts are positioned on the same plane; and each redundant part is connected with the first circuit board in a bending manner. According to the redundant electric power steering device, the occupied space of a circuit board and part composition in the redundant electric power steering device are reduced, the arrangement efficiency in packaging is improved, the packaging size is reduced, the space utilization rate is improved, and the limitation of the installation space in a vehicle is overcome.

The invention discloses a display panel, a driving method thereof and a display device, and relates to the technical field of display. The display panel comprises a plurality of pixel rows and a plurality of pixel columns, wherein sub-pixels in the pixel rows are arranged along a first direction, and sub-pixels in the pixel columns are arranged along a second direction; a plurality of data lines,wherein the same data line is electrically connected with at least part of sub-pixels in two adjacent pixel columns; a plurality of switch units, wherein the first poles of the switch units are electrically connected with the data lines in a one-to-one correspondence manner; data signal ends arranged in the first direction, wherein one data signal end is electrically connected with the second poles of the N switch units, and N is larger than or equal to 2; N switch control lines, wherein the control ends of the N switch units corresponding to the same data signal end are respectively connectedto different switch control lines, and in any pixel row, the colors and polarities of the sub-pixels electrically connected with the data lines corresponding to the same data signal end are the same.Therefore, the power consumption of the display panel is saved.

The invention provides a spaceborne transmit-receive integrated dual-band dual circularly polarized antenna comprising antenna units and a reflecting aluminum plate. Each antenna unit comprises an upper radiation ceramic substrate and an upper high frequency radiation patch which is pasted on the upper radiation ceramic substrate and faces the upper surface of the space, wherein a circularly polarized chamfer is respectively formed at the two ends of one diagonal line of the upper high frequency radiation patch; and a lower radiation ceramic substrate and a lower low frequency radiation patch which is pasted on the lower radiation ceramic substrate and faces the upper surface of the upper radiation ceramic substrate, wherein a circularly polarized chamfer is respectively formed at the two ends of one diagonal line of the lower low frequency radiation patch, the four side surfaces of the lower radiation ceramic substrate are respectively provided with an expansion radiation band, a high frequency antenna feed needle is arranged between the upper high frequency radiation patch and the lower low frequency radiation patch, and a low frequency antenna feed needle is arranged between the lower low frequency radiation patch and the reflecting aluminum plate.

The invention relates to a monotonic switching method and circuit for a successive approximation type analog-digital converter. The monotonic switching method and circuit are used for n-bit analog-digital conversion. The monotonic switching circuit comprises a comparator and (n-1) bits of binary system switching capacitors, an upper electrode plate of the first capacitor in each pair of capacitors is connected with a positive phase input end of the comparator and a difference input signal end VINP, an upper electrode plate of the second capacitor in each pair of capacitors is connected with a negative phase input end of the comparator and a difference input signal end VINN, and a lower electrode plate of each pair of capacitors is selectively connected with reference voltage VREF or a ground end GND. Sampling is carried out through the upper electrode plates, primary power consumption is avoided, the unit capacitor number is reduced, switching power consumption is greatly reduced through the monotonic switching method, and the circuit is simple and reliable in structure.

The invention discloses a full-assembly type self-resetting frame structure with steel strands arranged in a single-span full-length mode. The full-assembly type self-resetting frame structure comprises at least two column bodies, an H-shaped steel beam connected between the two column bodies, concrete foundations connected to the bottoms of the column bodies, beam-column connecting pieces, the prestressed steel strands and tie rods, wherein the H-shaped steel beam comprises an H-shaped main beam and H-shaped connecting short beams which are connected to the two ends of the H-shaped main beam in an assembly mode; the prestressed steel strands are tensioned between anchoring plates on the two H-shaped connecting short beams; each H-shaped connecting short beam is connected with the corresponding column body through the corresponding beam-column connecting piece; and the tie rods connect the column bodies with end plates on the beam-column connecting pieces through core penetrating holes. According to the full-assembly type self-resetting frame structure, the prestressed steel strands are independently arranged in the single-span full-length mode, full-assembly construction of the prestressed steel strands can be achieved, the tensioning quality and precision of the steel strands are ensured, the construction efficiency is improved, the labor cost is reduced, and the full-assembly type self-resetting frame structure conforms to the development trend of building structure assembly.

The embodiment of the invention discloses a display panel and a display device. The display panel comprises a plurality of scanning lines, a plurality of data lines and a plurality of pixel units, wherein the plurality of scanning lines are arranged at intervals in a first direction; the data lines are arranged at intervals in a second direction, and the data lines and the scanning lines are arranged in a crossed mode; and the plurality of pixel units are arranged in an array, the pixel units in every two adjacent rows are correspondingly and electrically connected to one scanning line, and the pixel units in each column are correspondingly and electrically connected to one data line. The aperture opening ratio of the display panel is improved, and the application requirement of a high-transmittance display screen can be met.

The invention discloses a wood drying room with a meshed combined type diversion mechanism. The wood drying room structurally comprises two or more high-temperature circulating fans, wind deflectors,two centrifugal air blowers, a hot blast stove, a stove opening, an observation opening, diversion structures and a room body; the high-temperature circulating fans are installed side by side on the top of the room body, installed between the two centrifugal air blowers and communicated with the centrifugal air blowers at the same horizontal line as the high-temperature circulating fans. The centrifugal air blowers are located outside the room body, installed on the top of the hot blast stove and communicated with each other. According to the wood drying room, through movable rockers, flow baffling plates and meshing structures, the number of the flow baffling plates is changed according to different thicknesses and different materials of plates when poplar wood and pine wood are manufactured, and the situation is avoided that a back flow phenomenon is caused due to a large number of wood materials on each layer. At the same time, the principle of triangular tooth meshing and magneticattraction is adopted to ensure that the layer number of the flow baffling plates is changed, and meanwhile every two flow baffling plates are stably connected and not detached due to airflow impact.

The invention discloses an organic light-emitting displayer pixel circuit, a driving method and a display device thereof. The pixel circuit comprises a horizontal scanning signal line Scan and a vertical data signal line Vdata. The pixel circuit also comprises a vertical control signal line CL, a control transistor T3 and a combined pixel unit which is connected with a power signal line Vdd. The vertical control signal line CL is electrically connected with the combined pixel unit. The horizontal scanning signal line Scan is connected with the gate electrode of the control transistor T3. The first electrode of the control transistor T3 is connected with the vertical data signal line Vdata. The second electrode of the control transistor T3 is connected with the combined pixel unit. With application of the organic light-emitting displayer pixel circuit, a switch transistor is ensured to enable the pixel circuit to be stably conducted and cut off when size of a flat-panel displayer is increased and resolution is enhanced, and thus a defect of poor display can be solved.

The invention discloses a method capable of feeding back a locked-rotor signal of a claw-pole stepping motor. The stepping motor is provided with a stepping motor subdivision driving chip, when an air door opening or closing instruction is received, the stepping motor subdivision driving chip outputs a subdivision PWM modulation signal to a stepping motor coil, so that the stepping motor obtains a sine wave current, and gentle rotation is achieved. Meanwhile, when it is detected that the working current of the stepping motor is larger than the maximum set value, an air door is completely opened or closed, so that rotation of the stepping motor is blocked, the stepping motor subdivision driving circuit stops outputting the PWM modulation signal to the stepping motor, and vibration noise generated by stepping of the air door motor is eliminated; and by adopting the method, the number of coils in the motor is halved, the structure of a user main control board is simplified, and the manufacturing cost is reduced.

The invention provides a disc type circulating power generator and reel module thereof. A generating mechanism of the disc type circulating power generator has a transmission shaft, a reel unit pivotally arranged on the transmission shaft and a disc unit capable of being driven to turn by the transmission shaft, a disc module of the disc unit has a disc body capable of being driven to turn by thetransmission shaft and a plurality of magnets axially embedded in the disc body, and the reel unit sense magnetic field change of magnet rotation displacement to generate electricity. Through the structural design of the disc module, under the circumstance that the number of the magnets used by the disc module is reduced by half, the function of impelling reel modules of two sides in an axial direction to sense magnetism to generate electricity can be kept, the weight of the disc module can be substantially reduced, power required by driving the disc module to turn can be reduced, and the manufacturing cost of the disc type circulating power generator can be reduced.