660results about How to "Improve quality requirements" patented technology

The invention provides a method for improving sound quality of a headset. The method comprises the following steps: detecting a pressure between contact surfaces of the headset and ears so as to obtain a pressure value; determining a signal gain value corresponding to the obtained pressure value according to a corresponding relationship between a preset pressure and a signal gain; and adjusting an audio signal gain value output by the headset according to the signal gain value. The invention also provides a mobile terminal. According to the method provided by the invention, the signal gain value corresponding to the detected pressure value can be determined according to the corresponding relationship between the preset pressure and the signal gain, and the audio signal gain value output by the headset is adjusted according to the signal gain value in order to improve the sound quality of the headset. The aim of performing compensation on audio leakage generated due to an insufficient fit degree between the headset and human ears is fulfilled; an ideal sound quality effect can be achieved in different wearing states of a user; the auditory feeling is improved; and wearing discomfort due to a structural sealing design is avoided.

The invention discloses a non-punch-through deep trench IGBT with a field stop structure and a manufacturing method thereof. The IGBT is equivalent to one NMOS field-effect tube driving one PNP bipolar transistor or one PMOS field-effect tube driving one NPN bipolar transistor. The NMOS tube or the PMOS tube in the invention realizes a vertical gate and a vertical trench through a deep trench technology and a high voltage-resistant trench gate technology is adopted; the NMOS tube or the PMOS tube and the PNP tube or the NPN tube are directly manufactured on a polished wafer to form a non-punch-through IGBT structure; and a field stop layer with the same doping type as a base region and with doping concentration higher than the base region is formed in the base region of the PNP tube or the NPN tube at a position close to a collector region through ion implantation or diffusion. The invention has the advantages that the cost of the manufacturing method is low and the implementation is easy; and the area of the manufactured IGBT is small, the switching loss is small, the short-circuit tolerance is high, the anti-electromagnetic interference capacity and the radiation resistance are enhanced and the like. Thereby, the demand of the market on the high quality of IGBT products is satisfied.

The invention discloses intermittent drying system and method of a multifunctional fluidized bed for freezing, spraying and pelleting, which has the advantages of flexible structure, variety methods, low use cost and the like. The structure is characterized by comprising a refrigeration system and a fluidized bed drying system for spraying and freezing in vacuum, wherein a vacuum spraying drying system is connected with a feeding system, the refrigeration system is connected with the feeding end of the vacuum spraying drying system, the other path of pipeline of the refrigeration pipeline is connected with a fluidized device of the vacuum spraying drying system through a pulse adjusting device to form a closed ring system, thereby flexible switch among different drying methods can be realized, and intermittent operation is carried out. The invention is mainly used for dewatering storage of products with high additional value, such as liquid foods, medicines, biological products and the like and development operation of new techniques of dewatering products such as liquid foods, medicines and biological products.

The invention discloses a metal-ion-doped perovskite thin film, a preparation method and an application therefor. The preparation method for the metal-ion-doped perovskite thin film comprises the specific steps of dissolving metal powder into an HX solution to form the HX solution containing metal ions, wherein X is Cl, Br or I; enabling the HX solution containing metal ions to be mixed with an methylamine solution, and drying to prepare metal-ion-doped MAX powder; enabling the metal-ion-doped MAX powder to be mixed with the a lead salt, and dissolving the mixture into dimethylformamide to prepare a perovskite precursor liquid, wherein the lead salt is PbBr<2>, PbI<2> or PbCl<2>; and preparing the metal-ion-doped perovskite thin film from the perovskite precursor liquid through a rotary coating process. The metal-ion-doped perovskite thin film is prepared through a liquid phase one-step method; the cover degree of the prepared perovskite thin film is greatly improved; and the requirement of a perovskite solar cell on the high quality of the perovskite thin film can be fully satisfied.

The invention relates to a reaming tool which has on its enveloping surface substantially helical flutes. High hardness cutting materials are brazed or soldered to the base material of the reaming tool. Thus, a cost-favourable manufacture of a reaming tool is provided. The invention makes it possible for the shaft and the head of the reaming tool to be made of solid carbide metal, the shaft and the head preferably constituting the one and same integrate body. A considerable improvement is obtained as regards the processing quality, the speed, and also the durability of the tool. This is based on the fact that the chip removal elements are sintered or brazed into the base body of the head initially shaped with the helical flutes, so that a material joint of high quality is provided compared to other joints.

The invention discloses an intelligent control strobe light supplementing method and a light supplementing device of a camera. The method includes that step one, a luminance signal of continuous snapshot images is calculated by the camera according to a snapshot signal to obtain an average luminance value, whether a light supplementing lamp is switched on or not is determined according to high front lighting luminance threshold value, if the average luminance value is higher than the threshold value, an on-off signal is output to the light supplementing lamp, a power source of the light supplementing lamp is automatically turned off, and if the average luminance value is lower than or equal to the threshold value, the power source of the light supplementing lamp is automatically turned on; and step two, when the light supplementing lamp is switched on, the average luminance value of the snapshot images is calculated again, if the average luminance value is in the optimal luminance range of the snapshot images, the luminance signal of the camera and a synchronization pulse signal of the light supplementing lamp are not required to be adjusted, if the average luminance value is lower or higher than the optimal luminance range of the snapshot images, the output increased or decreased luminance signal of the camera and the increased or decreased synchronization pulse signal of the light supplementing lamp are adjusted, and the adjusted average luminance value is in the optimal luminance range of the snapshot images. By means of the intelligent control strobe light supplementing method and the light supplementing device of the camera, the light supplementing effect and efficiency are improved.

The invention provides a pole piece making and rubberizing and a pole piece correction detection method. The method includes detecting the position of a pole piece; measuring the size; detecting rubberizing defects; detecting blue glue; searching a parameter coordinate; calculating a coordinate distance; and correcting the pole piece. The invention relates to electronic equipment and a readable storage medium for executing the above method. The invention further relates to the pole piece making and rubberizing and the pole piece correction detection system. The method realizes automatic detection of the position of the pole piece, gummed paper on the pole piece, rubberizing outcrop, rubberizing metal leakage and the blue glue, solves the problem of rubberizing defects of the pole piece, has high efficiency and small error, and can meet the huge requirements of consumers on lithium batteries and high quality requirements; The method realizes the detection of an anode-cathode spacing andan anode-diaphragm spacing of the pole piece, carries out single winding on the pole piece with defects, and carries out winding correction on the pole piece without defects but with correction in the spacings, and thus the problems of detection and correction of the anode-cathode spacing and the anode-diaphragm spacing of the pole piece in the winding process is solved, and the winding quality of battery cores is guaranteed.

The invention relates to a production technique of a high-accuracy cold-rolling carbon-steel steel belt for the electronic industry, comprising the following steps: pickling the raw materials, cold rolling primarily, cutting edges, spraying and degreasing, annealing in a cover type manner, cold rolling secondarily, stretching crookedly and straightening and cutting into a finished product. The production technique adopts a four-roller high-accuracy reversing rolling machine and a unique rolling technique to conduct cold rolling, leads the product to has little thickness tolerance fluctuation, stable performance, uniform and consistent surface color, and no defects of color difference, scratching, slip line and the like, good plate-shaped flatness and straightness by the techniques of degreasing, annealing in a cover type manner, stretch bending and straightening, and the like, remarkably improves the product quality, is suitable for industrialized production, meets the high-quality requirements of the electronic industry, replaces stainless steel materials, and reduces the cost.

The invention discloses an inorganic waterproof cementitious material. The inorganic waterproof cementitious material is characterized by comprising the materials in parts by weight: 35-55 parts of ash and / or decarburized slag, 10-30 parts of blast furnace slag / mineral powder, 8-16 parts of slag and / or coal ash, 4-8 parts of carbide slag, 0-10 parts of cement clinker, 4-8 parts of gypsum, 0-5 parts of lime stone and 0.5-5 parts of booster. All materials adopted by the inorganic waterproof cementitious material are inorganic materials, and aim at overcoming the defects generated by organic matters contained in polymer waterproof mortar. Thus, the inorganic waterproof cementitious material is good in weather fastness, not easy to age, good in affinity with a base layer, convenient to construct, and long in service life; and no harmful gas is released in the constructing and using processes.