58results about How to "Slow down time" patented technology

A method of using a laryngoscope guide including a guiding conduit for advancing an introducer. The method can be used to intubate a subject by positioning the laryngoscope guide in an airway; advancing the introducer in the conduit until an end of the introducer enters the glottis, while viewing images of the introducer end; removing the laryngoscope guide with the guide conduit from the introducer and from the airway; guiding a tube with the introducer until an end of the tube enters the glottis; and removing the introducer from the tube with the end of the tube remaining in the glottis, and in particular, in the trachea, to establish an airway. The guide and method can enable a healthcare professional to intubate a subject where neck mobility is an issue, where an airway is difficult, and / or where a subject is obese.

The invention provides a TFT array substrate and a display panel. According to the TFT array substrate provided by the present invention, a first thin film transistor is disposed in each pixel, and the grid electrode of the first thin film transistor in the Nth row of pixels is electrically connected with the (N+1)th scanning line. The drain electrode is electrically connected with the Nth scanning line, the source electrode is connected with the negative voltage of the power supply, and therefore a scanning signal received by each pixel is independently pulled down in each pixel, thereby greatly shortening the falling time of the scanning signal and being beneficial to ensuring the display quality of the display panel.

Provided is a method for making a liquid crystal display panel. The method comprises the following steps: providing an upper substrate, a lower substrate, and a liquid crystal mixture, with the liquid crystal mixture being filled between the upper substrate and the lower substrate; exerting an electric field upon the liquid crystal mixture; then stopping the exertion of the electric field; and irradiating energy light upon the liquid crystal mixture to form a liquid crystal layer. The method can reduce the drop time of a liquid crystal display panel.

The invention discloses an InGaN / GaN LED nanosecond pulse driving circuit. Using the current pulse peak value technology, the loop formed by Schottky diodes SBD1 and SBD2 and a capacitor C will generate a current peak value, thereby shortening the rise time of the light pulse by several times. nanoseconds, which shortens the rise time of the light pulse; the first inductor L1 is connected between the LED cathode and the bias power supply Vcc, and when the current pulse is falling, the reverse current loop provided by the inductor is used to generate an undershoot current. In this way, the falling time of the light pulse can be reduced to speed up the extinguishing of the LED and greatly improve the falling time of the light pulse; the switching circuit of the high-speed field effect tube mainly shortens the time of the main switch by adding an auxiliary switch to quickly charge the parasitic output capacitance of the main switch. The off time of the switch is used to increase the switching rate of the field effect tube; the anode of the LED is connected to the DC bias voltage Vcc, so that the equivalent capacitor can be fully charged before the current pulse arrives, thereby effectively shortening the LED conduction The delay can greatly improve the transient response time of the LED.

The present invention provides a light emission driver and a display device having the same. The light emission driver includes a plurality of stages outputs a light emission control signal. Each of the stages includes an input circuit controlling voltages of a first node and a second node, an output circuit supplying a voltage of first power or a second power to an output terminal, a first signalprocessor controlling a voltage of a fourth node based on a signal supplied to a third input terminal and a voltage of a fifth node, a second signal processor controlling the voltage of the fourth node in response to the voltage of a third node, a first stabilizer limiting voltage drops of the first node and the second node, and a second stabilizer controlling an electrical connection between thethird node and the first node in response to the voltage of the fourth node.

The invention discloses a stereoscopic dish conveying device which comprises a horizontal conveying mechanism used for horizontally conveying dinner plates, a longitudinal lifting mechanism used for lifting the dinner plates to a required floor and a transition mechanism used for transferring the dinner plates from the horizontal conveying mechanism to the longitudinal lifting mechanism, wherein the transition mechanism comprises a frame and balls mounted on the frame at intervals; and the longitudinal lifting mechanism comprises a bracket and conveying belts vertically arranged on the bracket, and the conveying belts are equipped with drive plates which are used for finishing the lifting function of the dinner plates and staggered with the balls. By means of the stereoscopic dish conveying device, conventional elevator or manual carrying is replaced, problems of low conveying efficiency and large occupied space of a conventional conveying device are solved, the labor intensity is reduced, manpower and material resources are saved, the work efficiency for a waiter to send a dish / drink and convey and clear dinnerware is improved, and the stereoscopic dish conveying device is suitable for kitchens of large and medium scale hotels and restaurants.

The invention provides a shifting register and grid driving circuit adopting the same. The shifting register comprises an input signal selection circuit, an output circuit, a pull-down circuit and a voltage raising circuit. The input signal selection circuit is coupled to a node, a first signal source, a second signal source, a first input signal source and a second input signal source. The output circuit is coupled to the node, the output end of the shifting register and the first clock source. The pull-down circuit is coupled to the output end, the second clock source and a reference potential source. The voltage raising circuit is coupled to the node, the output end, the first signal source, the second signal source, the third signal source and the fourth signal source. The shifting register provided by the present invention can shorten the falling time of the pulses it provides.

The invention provides a lactobacillus preservative capable of increasing the survival rate of liquid lactobacilli at the room temperature and an application of the lactobacillus preservative. With adoption of a lactobacillus body and nutrient suspension technology and a sustained release technology as well as addition of cream, linoleic acid, lecithin, glycerol monostearate and a stabilizer to a medium and regulation of pH value, the storage period of the liquid lactobacilli with high live bacteria quantity is prolonged, the problem of rapid reduction of liquid lactobacilli with high live bacteria quantity due to reduction of the content of nutrients and storage at the normal temperature is solved, and the lactobacilli really play a role in preventing and treating diarrhea and regulating balance of the intestinal flora during use; the lactobacillus preservative as a green, safe and effective microecological agent is applied and popularized.

The invention provides a reaction device for fully hermetically producing azamethiphos, which includes a first reaction unit, a second reaction unit and a third reaction unit, wherein the first reaction unit includes a rotational-flow kettle, an oxazole [4,5-b] pyridine-2(3H) ketone storage tank, an N,N-dimethylformamide storage tank, a paraformaldehyde storage tank and a thionyl chloride storage tank, wherein the first reaction unit includes a first powder-liquid mixing pump; the first powder-liquid mixing pump includes a first inlet and a first outlet; the oxazole [4,5-b] pyridine-2(3H) ketone storage tank, the N,N-dimethylformamide storage tank and the paraformaldehyde storage tank are communicated with the first inlet; the first outlet is communicated with the rotational-flow kettle; the rotational-flow kettle includes a first main body; the first main body is hollow and forms a first reaction chamber; and the first reaction chamber is an inverted cone structure. The reaction device provided by the invention radically avoids harmful gas leakage and facilitates the environmental protection.

The invention provides a reaction device for fully hermetically preparing azamethiphos, which includes a first reaction unit, a second reaction unit and a third reaction unit, wherein the first reaction unit includes a rotational-flow kettle, a oxazole [4,5-b] pyridine-2(3H) ketone storage tank, an N,N-dimethylformamide storage tank, a paraformaldehyde storage tank and a thionyl chloride storage tank, wherein the first reaction unit includes a first powder-liquid mixing pump; the first powder-liquid mixing pump includes a first inlet and a first outlet; the oxazole [4,5-b] pyridine-2(3H) ketone storage tank, the N,N-dimethylformamide storage tank and the paraformaldehyde storage tank are communicated with the first inlet; the first outlet is communicated with the rotational-flow kettle; the rotational-flow kettle includes a first main body; the first main body is hollow and forms a first reaction chamber; and the first reaction chamber adopts an inverted cone structure. The reaction device provided by the invention radically avoids harmful gas leakage and facilitates the environmental protection.

The present application discloses a gate drive circuit and a display panel. The gate drive circuit includes a plurality of cascaded gate drive units. The gate drive unit of the Nth stage adopts the same clock through the pull-down control module, the maintenance module and the pull-down module. The combined signal can quickly pull down the falling edge of the N-level scanning signal to the potential of the constant-voltage low-potential signal, effectively shortening the falling time of the N-level scanning signal from high potential to low potential.

The invention relates to a technology method for shortening the production period of a large-scale casting steel piece. The technology method for shortening the production period of the large-scale casting steel piece comprises the steps of after a casting piece is poured for three days, gradually removing part of sand box on the upper layer; measuring the temperature of a root part of a dead head, hoisting the casting piece out from a sand mold when the temperature is lower than 400 DEG C, air cooling, and then putting back into the sand mold; and shaking out after the measured box is lower than the corresponding temperature again, cooling the shake-out casting piece to the room temperature, then cleaning and shot blasting, cutting the dead head after preheating the casting piece, and after cutting the dead head, a water gap and patches, carrying out performance heat treatment on the casting piece. According to the technology method for shortening the production period of the large-scale casting steel piece provided by the invention, through accelerating the cooling speed after the casting piece is solidified, and by adopting the methods such as cleaning and shot blasting at roomtemperature, and canceling complete annealing, the technological process is simplified, and the production efficiency is improved, so that the aim of shortening the production period is achieved, andthe method has universal adaptability on carbon steel and low-alloy steel casting pieces.