91results about How to "Extended fall time" patented technology

A phase interpolator circuitry is composed of a delay line, and a phase blender circuit. The delay line delays a first input clock signal to develop a delayed clock signal. The phase blender circuit includes a first inverter receiving the delayed clock signal, and a second inverter receiving a second input clock signal phased away from the first input clock signal. The outputs of the first and second inverters are commonly coupled together. The phase interpolator circuitry additionally includes at least one of constant current sources: first one connected between a power terminal of the first inverter and a power supply, second one connected between a ground terminal of the first inverter and ground, third one connected between a power terminal of the second inverter and a power supply, and fourth one connected between a ground terminal of the second inverter and ground.

The invention discloses a gliding robot capable of autonomously flying in a salutatory mode, which comprises a frame, a bouncing device arranged on the frame and a bouncing drive device used for driving the bouncing device. A pair of gliding devices and a gliding drive device for driving the gliding devices are also arranged on the frame; each gliding device comprises a front framework, a rear framework, a wing and a folding mechanism; the wings are fixed between the front framework and the rear framework; the front framework and the rear framework are connected with the folding mechanism; and the folding mechanism is connected with the gliding drive device for unfolding the wings. A take-off angle adjustment mechanism of the invention enables the robot to adjust take-off angles autonomously so as to adjust bouncing heights, bouncing distances and achieve stable landing; and therefore, the flexibility of actions of the robot is improved.

The present invention relates to a plasma display panel, and more particularly, to a plasma display apparatus and a method of driving a plasma display panel including address electrodes (X) and scan electrodes (Y). The plasma display apparatus according to the present invention includes a plasma display panel including a plurality of scan electrodes and a plurality of address electrodes formed to cross the scan electrodes; a driving unit for driving the plurality of address electrodes; and a driving pulse controller for controlling the driving unit so that a voltage falling time of a data pulse supplied to one and more address electrode groups among a plurality of address electrode groups including one or more address electrodes in an address period ranges from no less than 50 ns to no more than 300 ns. According to The present invention, electric potential of the data pulse varies slwoly by prolonging a voltage falling time of a data pulse compared with a conventional voltage falling time so that the peak value of a displacement current becomes reduced. Accordingly, an EMI (ElectroMagnetic Interference) property is enhanced, thereby ensuring normal operations of a driving apparatus of a plasma display panel.

Provided is an LCD device having excellent high speed responsiveness. This LCD device contains a polymer or a copolymer in a liquid crystal composition sandwiched between two transparent substrates, at least one of which has an electrode, and the content of the polymer or the copolymer is 1% by mass or greater and less than 40% by mass of the total mass of the liquid crystal composition and the polymer or the copolymer. This LCD device can be applied to various operation modes such as TN, STN, ECB, VA, VA-TN, TPS, FFS, a π cell, OCB, and cholesteric liquid crystals.

The invention discloses a material dispersing device for a vertical grinder. The material dispersing device comprises a positive cone ring and a negative cone ring which are arranged in an annular space between a grinder shell of the vertical grinder and a grinding barrel of the vertical grinder; and the positive cone ring and the negative cone ring are distributed axially at a certain interval along the grinder shell. Due to the adoption of the material dispersing device for the vertical grinder, the falling time of a ground material ground with a roller mill in the falling process can be prolonged, the material is fully dispersed in the rolling processes of the positive cone ring and the negative cone ring and can be repeatedly impacted, dispersed and separated by rising air flow, the powder selecting efficiency is increased, and the yield of the grinder is remarkably increased. The invention further discloses a material dispersing device for a vertical grinder. The material dispersing device comprises dispersing plates obliquely arranged in an annular space between the grinder shell and the grinding barrel; a plurality of layers of dispersing plates are arranged at intervals along the axial direction of the grinder shell; and each layer of dispersing plates consists of a plurality of dispersing plates which are arranged at intervals along the circumference of the grinder shell.

A light source driving device includes a switching circuit which switches a direct-current voltage supplied externally, a piezoelectric transformer which raises the voltage output from the switching circuit and which allows an alternating current to flow through a cold-cathode fluorescent tube, and a control circuit to change the duty ratio as a ratio per unit time at which the alternating current is output from the switching circuit in order to dim the cold-cathode fluorescent tube. The switching circuit includes resistors RA, RB which set the tilt of the envelope waveform to increase the fall time of the envelope waveform of the alternating current flowing through the cold-cathode fluorescent tube.

There is provided a high-pressure fuel pump drive circuit for manipulating the electric current to be passed to a solenoid coil for controlling a high-pressure pump. This circuit is characterized in that a first switching element, the solenoid coil and a second switching element are connected in series with each other in a rout from a source voltage side to the ground side, that a flywheel diode for passing electric current to a power source is disposed parallel with the solenoid and with the first switching element, and that a Zener diode connected with the power source is disposed parallel with the second switching element, wherein a counter electromotive force to be developed at the opposite ends of solenoid coil on the occasion when the second switching element is changed from ON to OFF is consumed by the flywheel diode provided that the first switching element is in a state of ON, and the counter electromotive force is more rapidly consumed by the Zener diode provided that the first switching element is turned OFF.

The invention discloses a drum-type grain dryer, which comprises a temperature sensor, a moisture meter and a dryer body. A feed delivery pipe is arranged on the top part of the dryer body; a motor is arranged at one side of the feed delivery pipe; a hot air conveying pipe is arranged on one side of the dryer body; a drying bin is arranged in the dryer body; air exhausting meshes are arranged on outer walls of the drying bin; the temperature sensor is arranged on an inner wall of the drying body; a rotary shaft is arranged under the motor; and a drying channel is arranged on the rotary shaft. The drum-type grain dryer provided by the invention adopts a vertical structure so as to be simple in post-maintenance; the drying channel is arranged inside the drying bin, so that the falling time of grain can be effectively prolonged so as to help the grain to be heated uniformly; hot air is utilized for penetrating through the air exhausting meshes to dry the grain, so that an air flow can be uniform, and local excess heating is prevented; and a communication device is arranged, so that workers can remotely control a microcomputer controller, and the use efficiency of manpower resources is improved.

A multi-level voltage output control circuit selectively outputs one of multi-level power voltages by driving gates of two MOS transistors, which act as switching devices for the multi-level power voltages, with two output signals, the two output signals having complementary phases to each other and generated from two logic gates receiving two input signals which have an identical timing and complementary phases to each other, wherein the two logic gates advance or slow down a rising timing and/or a falling timing of the two output signals by differently adjusting a size of PMOS transistors and that of NMOS transistors, which construct the logic gates, thereby excluding a case in which the two output signals are in a same logic state at the same time.

The present invention discloses a fixation and dust-removal device for tea processing. The device comprises a feeding shell, a dust-removal box and baffle plates. The device is characterized in that the feeding shell is arranged at the middle part of the upper end of the dust-removal box; a plurality of baffle plates are equally spaced on the inner wall of the dust-removal box; a plurality of holes are arranged on the left side and the right side surface of the dust-removal box; an air suction fan is arranged on the surface of one side of the dust-removal box; and the dust-removal box is fixedly provided with a fan at one end parallel to one end connecting the air suction fan. The fixation and dust-removal device carries out treatment on tea leaves; tea leaves to be processed are fed through the feeding shell; the air suction fan matches with the fan to perform dust removal on the tea leaves passing through the dust-removal box; a filter screen is arranged on the surface of each baffleplate; the baffle plates prolong the falling time of tea leaves in the dust-removal box; a screw rod is started to change the angle of a heating shell; the heating shell carries out fixation on tea leaves by resistance wires; and a spiral rotating shaft is provided to prevent tea leaves from accumulating in one place.

Provided a plasma display apparatus. The apparatus includes a first electrode and a driver. The first electrode is formed at an upper substrate. The driver applies a sustain pulse to the first electrode. The driver applies a driving waveform whose, in one subfield, any one sustain pulse (SP1) has a longer falling time than another sustain pulse (SP2) applied earlier than the sustain pulse (SP1).

The invention relates to a shaft processing method, which comprises the following specific steps of: inserting the lower end of a thin-diameter segment of a shaft into a cylindrical groove, and starting a finger air cylinder to clamp and fix the shaft; driving a second electric pushing rod to enable the lower end surfaces of the clamping fingers of the finger air cylinder and a quenching water tank to keep a distance of 10-30 cm; starting a first electric pushing rod to enable a top plate to downwards move to drive an induction coil to downwards move, inserting the shaft into the induction coil to enable the lower end surface of the induction coil and the upper end surface of the clamping fingers of the finger air cylinder to keep a distance of 0.5-4 cm; injecting cooling water into the circulation hole of the induction coil to circularly cool the induction coil, starting a high-frequency low-voltage big-current power supply to provide high-frequency low-voltage big current for the induction coil, carrying out induction heating on the shaft, and controlling time to be 2-5 minutes; and after the shaft is finished being heated, starting the finger air cylinder to open the clamping fingers, and enabling the shaft to fall into the quenching water tank from a gap between two clamping fingers. According to the shaft processing method, the problem in a shaft thermal treatment processthat a junction between a circumferential side surface of a thick-diameter segment and a transition platform is molten so as to change the processing shape and size of the shaft is solved.

The invention discloses a plastic masterbatch dust removal, cleaning and drying integrated device. The device comprises a base frame, the lower end face of the base frame is provided with a drying conveying device, an outer cylinder and a box body are mounted on the upper end face of the base frame, a spiral groove is spirally formed in the inner wall of the outer cylinder, a blowing device is mounted in the spiral groove, a filter cylinder is mounted on the outer side of the spiral groove, an inner cylinder with a water filter cylinder is mounted in the outer cylinder, a feeding groove is formed in the outer cylinder, the filter cylinder communicates with the water filter cylinder through a feeding pipe, a first rotating shaft with a first packing auger is mounted in the water filter cylinder, the first rotating shaft is provided with a spray opening, the upper end of the box body is provided with a connecting base communicating with the first rotating shaft, the two sides of the inner cylinder are provided with leaking pipes communicating with the drying conveying device, the spiral filter cylinder, the inner cylinder, the water filter cylinder and the drying conveying device aremounted, plastic masterbatch can be subjected to dust removal, cleaning and drying integrated operation, efficiency is improved, and the pollution to the plastic masterbatch in the equipment conversion process can be reduced.

An antenna comprising: a variable dielectric constant (VDC) layer; a plurality of radiating patches provided over the VDC layer; a plurality of signal lines, each terminating in alignment below one of the radiating patches; a plurality of control lines, each corresponding to one of the signal lines; a ground plane; wherein the VDC layer comprises: a polymer dispersed liquid crystal (PDLC) layer or a PDLC layer in a polymerized and sheared state.

The invention provides a residual liquid emptier. The residual liquid emptier comprises an air blower, a residual liquid vaporizing chamber, a heater, a residual liquid collector, an outlet temperature measuring device, an emptying tube, an inlet temperature measuring device and a residual liquid inlet tube, wherein the residual liquid collector is arranged on the upper part of the residual liquid vaporizing chamber; the air blower is connected to the bottom of the residual liquid vaporizing chamber; the heater is arranged in the residual liquid vaporizing chamber and is connected with the residual liquid collector; the residual liquid inlet tube is connected with the residual liquid collector; the emptying tube is connected with the residual liquid vaporizing chamber; the inlet temperature measuring device is arranged at the connected part of the residual liquid inlet tube and the residual liquid collector; and the outlet temperature measuring device is arranged at the connected part of the emptying tube and the residual liquid vaporizing chamber. The residual liquid emptier can be used for vaporizing liquid nitrogen within a short time for effectively avoiding influence on environmental and personal injury or device damage caused by direct emission of the liquid nitrogen, and has the beneficial effects of high vaporizing efficiency, energy conservation and an extensive applicable range.

The invention relates to the technical field of tobaccos, in particular to a tobacco leaf uniform mixing structure. According to the structure, the ascending height of a second baffle can be freely adjusted, the falling amount of the tobaccos in a placing barrel can be effectively controlled, during the vibration process, the tobaccos can effectively and quickly fall into a funnel, at the moment,the funnel is rotated, the tobacco falling into the inner side of the funnel falls along with an arc-shaped track, so that various tobaccos are preliminarily and effectively mixed, the inner side of the funnel is fixedly connected with a plurality of fixing rods, so that the falling time of the tobaccos can be effectively prolonged, the tobaccos stacked together are scattered in the falling process, so that the stirring effect is effectively achieved, under the arrangement of a conical cover body, the amount of tobacco falling between the conical cover body and the inner side wall of the funnel can be effectively controlled, the mixing degree of the tobacco can be further improved, the tobacco falling to the bottom end of the funnel is repeatedly turned over to be mixed through the arrangement of a reel, and then secondary mixing is conducted.