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130results about How to "Does not affect performance" patented technology

Device and method for unlocking mobile terminal

InactiveCN102523348ALess prone to false trigger operationsDoes not affect performanceSubstation equipmentKey pressingDistance sensors
The invention relates to a device and a method for unlocking a mobile terminal, which belong to the field of telephone communication equipment. The method includes that a button module transmits locking state interrupting signals to the mobile terminal, the mobile terminal enters a half-locking state, a distance sensor is started to detect whether an object close to the mobile terminal exists and the distance between the object and the mobile terminal, and simultaneously a timer is started to monitor time of the mobile terminal in the half-locking state; when the distance sensor detects that the object close to the mobile terminal exists and the distance between the object close to the mobile terminal and the mobile terminal reaches a distance threshold value, the mobile terminal is unlocked, otherwise the mobile terminal keeps the half-locking state; and when a timing threshold value is reached, the distance sensor is shut down to lock the mobile terminal. The device and the method for unlocking the mobile terminal can avoid false triggering operation and loss of additional electric quantity completely, effectively prolong service life of the sensor, further enhance functional stability of mobile phones and other mobile terminals, and improve user experience.
Owner:GUANGDONG BUBUGAO ELECTRONICS IND

Partial stiffness method based composite material non-destructive detection system and detection method

The invention discloses a partial stiffness method based composite material non-destructive detection system and detection method. According to the invention, a partial stiffness method and a technique capable of rapidly acquiring the partial stiffness information of samples to be tested are adopted, the stiffness information of the samples is calculated through tested contact resonance parameters, a stiffness configuration image is formed, and further the material stiffness and health state are evaluated; and from the stiffness detection of the samples to be tested, the internal mechanics information of a structure is characterized through the stiffness information of the samples to be tested. Therefore, the detection method is especially suitable for detection of thin plates of composite materials, and is a brand new non-destructive detection method, wherein the thicknesses of the thin plates are below 5mm. According to the invention, under the premise that the performances and the structure integrity of the materials are not influenced, the testing of stiffness information of the samples to be tested is completed, thus defects and destructive distribution of the structure are estimated.
Owner:PEKING UNIV

Graphene-based composite negative electrode material and preparation method thereof

The invention relates to a graphene-based composite negative electrode material and a preparation method thereof, and belongs to the field of a lithium ion battery. The preparation method of the graphene-based composite negative electrode material comprises the steps of (1) sequentially adding hydrogen peroxide, a nitrogen doping agent and silicate ester into a graphene oxide dispersion liquid to obtain a mixed solution; (2) performing hydrothermal reaction on the mixed solution in the step (1), performing solid-liquid separation, drying and pressing the obtained solid, and performing carbonization in an inert gas atmosphere to obtain a nitrogen-doped graphene and silicon dioxide composite material; and (3) adding the nitrogen-doped graphene and silicon dioxide composite material in the step (2) into a mixed solution of polyvinylpyrrolidone and a conductive macromolecular polymer, adding a reducing agent, and performing reaction for 1-6 hours under 50-120 DEG C to prepare the graphene-based composite negative electrode material. The graphene-based composite negative electrode material prepared by the method is high in specific capacity, stable in structure and excellent in electrochemical performance, and has a wide prospect in the field of a lithium ion battery negative electrode material.
Owner:CHINA AVIATION LITHIUM BATTERY LUOYANG

Antibacterial fibroin protein fiber and preparation method thereof

The invention provides antibacterial fibroin protein fiber and a preparation method thereof. The preparation method comprises the following steps: preparing a formic acid solution, adding silver salt into the formic acid solution, and stirring and dissolving; soaking a silk fiber which is not degummed or is partially degummed into the formic acid solution containing the silver salt, and performing lucifugal reaction for a period of time; completely washing the silk fiber product after the reaction, and drying to obtain a silver-containing silk fiber product; and performing degumming treatment on the silver-containing silk fiber product to obtain the antibacterial fibroin protein fiber. The preparation method provided by the invention is simple and easy in batched production; and in the prepared antibacterial fibroin protein fiber, the antibacterial agent nano-silver is mainly distributed in the fiber, so that excellent biocompatibility of the fibroin protein can be maintained, the biological toxicity exposed by the nano-silver is avoided, broad-spectrum antibacterial property is given to the fibroin protein fiber product, the antibacterial property is durable, and the antibacterial fibroin protein fiber is very suitable for people sensitive to the antibacterial agent and can serve as biological products such as antibacterial dressing and antibacterial suture lines.
Owner:杭州季盛新材料有限公司

Method and system for parallel connection of UPS derated models with different capacitance grade

The invention discloses a parallel connection method of different capacity level UPS derating machine, which is to solve the problem of incapability of equalizing the flow according to derating capacity caused by per-uniting the derating machine according to physical capacity. The method includes that: the physical output current is per-united according to the physical capacity of each stand-alone; each per-united physical output current is averaged to get the per-united equalized value of the physical output current of each stand-alone; the per-united physical output current value and the physical equalized current value are respectively converted to get the physical output current per-united value and physical equalized current per-united value of each stand-alone; the physical equalized current per-united value is revised according to the authorized capacity and the physical capacity of each stand-alone to get the authorized equalized current per-united value of each stand-alone; the physical output circuit of each stand-alone is controlled by taking advantage of the error between the physical output current per-united value and physical equalized current per-united value of each stand-alone. The invention discloses a different capacity level UPS derating machine parallel system at the same time.
Owner:VERTIV CORP

Chiral-separation solid membrane grafted by chiral identification body through dopamine pretreatment, and making method thereof

The invention belongs to the technical field of polymer membrane materials, and discloses a chiral-separation solid membrane grafted by a chiral identification body through dopamine pretreatment, and a making method and an application thereof. The method includes the following concrete steps: 1, immersing a solid membrane in a dopamine solution, stirring for reacting, and flushing with clear water; and 2, immersing the flushed solid membrane in a solution of the chiral identification body, heating for reacting, washing, and carrying out vacuum drying to obtain the chiral-separation solid membrane grafted by the chiral identification body through dopamine pretreatment. Firm and stable fctive function groups comprising -NH2, -OH and -C=O are introduced to the surface of the solid membrane through the above immersion technology; and chiral recognition sites are introduced to the surface of the solid membrane through the above immersion technology without influencing the structure or performances of the membrane, so the chiral-separation solid membrane grafted by the chiral identification body through dopamine pretreatment can be used for the effective separation of racemes The making method has the advantages of realization of the implementation of above reactions in an aqueous solution for a whole course, and mild and unharsh reaction conditions, development of the modification selectivity of the solid membrane, simple process, and easy realization of the industrialized batch production.
Owner:GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI

Power supply system of hybrid electric vehicle

The invention provides a power supply system of a hybrid electric vehicle, and the power supply system is connected with a motor drive system for driving the vehicle to run, and the power supply system comprises a fuel battery, a hydrogen supply system, a fuel battery accessory, an auxiliary power source and a power supply converter; the power supply system also comprises a control element, a contactor and a diode, wherein the control element is connected with the power supply converter and connected with the fuel battery and the motor drive system when the power supply converter does not work; the contactor is provided with a first connecting end and a second connecting end and arranged between the fuel battery and the power supply converter, the first connecting end is connected with the fuel battery, and the second connecting end is connected with the power supply converter; and the diode is used for controlling the fuel battery to supply power to the fuel battery accessory, an anode of the diode is connected with the power supply converter, and a cathode of the diode is connected with the fuel battery accessory. Due to the adoption of the power supply system, the problems of the existing power supply system that the cost of the power supply converter is high, the size is large and the running efficiency of the fuel battery system is low can be solved.
Owner:SAIC MOTOR

Method for measuring air pressure and altitude by hand-held mobile phone

The invention relates to a method for measuring atmospheric pressure and height by a hand-held mobile phone. A minitype atmospheric sensor capable of measuring atmospheric pressure is embedded into an internal circuit of the mobile phone, and is driven by the power of the mobile phone; an atmospheric pressure and height processing program is loaded to a CPU of the mobile phone, the atmospheric data measured in real time is received from the atmospheric sensor, the corresponding height data is calculated, and the atmospheric pressure and height processing functions are realized through the communication between the CPU of the mobile phone and a communication interface and through the operations of the display screen and the keyboard of the mobile phone. According to the method of the invention, the functions of measuring atmospheric pressure, measuring height, displaying and alarming are added to the mobile phone. Under the control of the atmospheric pressure and height processing program, an atmospheric pressure and height displaying area is established at a specific position of the display screen of the mobile phone, and the value in the atmospheric pressure and height displaying area is updated continuously so that people can know the atmospheric pressure and height values on the side and on the spot at any place and any time.
Owner:张康明 +1

Standard cell design method resistant to single-particle latch-up effect

A standard cell design method resistant to the single-particle latch-up effect comprises the steps that (1) trap contact protecting regions are arranged in a standard cell layout, namely areas in contact connection with traps in the standard cell layout and stretch to two sides of a transistor active area are arranged into the protecting regions, and multiple contact holes are formed in the trap contact protecting regions; (2) separation distances of the trap contact protecting regions are reduced, and the biggest separation distance (dWC) of the trap contact protecting regions is not more than 4 microns; (3) the separation distance between an NMOS and a PMOS active area is increased, and the separation distance between the NMOS and the PMOS active area is not less than 0.69 micron; (4) the distance between each trap contact protecting region and an MOS transistor source electrode is reduced, the width of a first metal layer, the width of a second metal layer and the width of a third metal layer are respectively 0.4 micron according to the design rule of the SMIC013MMRF technology, and the height of an adopted unit is 4.0 microns equivalent to the pitch widths of 10 metal layers. The method achieves reinforcing of resistance to the single-particle latch-up effect, and is low in cost, easy to implement and high in reliability.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Novel walking type winding machine

The invention provides a novel walking type winding machine. A protection ring on the front portion of the novel walking type winding machine is fixed to a frame of a steering portion. The novel walking type winding machine is provided with a steering counting device. The steering counting device is provided with a first sensor which senses the steering of a vehicle body, the first sensor is connected with a controller of the novel walking type winding machine and used for making the controller determine the number of steering times. A second sensor is arranged in the steering portion. The second sensor or a part fixedly connected with the second sensor is supported by an elastic part so that the second sensor can be movably installed on the steering portion, and the second sensor is used for sensing the backward movement, relative to the second sensor, of the frame of the steering portion or a part fixedly connected with the frame. By means of the novel walking type winding machine, the film winding route of the novel walking type winding machine can be easily and accurately controlled, the important part of the steering portion can be protected, the walking direction changing flexibility of the novel walking type winding machine can be improved, and the impact exerted on the vehicle body when the novel walking type winding machine comes across barriers can be reduced.
Owner:HANGZHOU YOUNGSUN INTELLIGENT EQUIP

Retaining and anti-loosening gasket, nut and bolt special for high-speed railway track

PendingCN109778603AObvious anti-retraction and anti-loosening effectGuaranteed integrityRail fastenersConvex structureUltimate tensile strength
The invention provides a retaining and anti-loosening gasket, nut and bolt special for a high-speed railway track. The retaining and anti-loosening gasket comprises a gasket body, a first fixed convexstructure is arranged on the lower end face of the gasket body, and a second fixed convex structure is arranged on the upper end face of the gasket body, a third fixed convex structure is arranged onthe upper end face of the retaining and anti-loosening gasket, an inserted-connected structure is arranged on the lower end face of the retaining and anti-loosening nut. A fourth fixed convex structure is arranged on the lower end face of the retaining and anti-loosening bolt,The retaining and anti-loosening gasket, nut and bolt cooperate with one another to serve as a fastener, or the retainingand anti-loosening gasket cooperates with an ordinary nut and bolt separately to serve as the fastener, and the fastener and an elastic bar are cooperatively applied to the high-speed railway track, the fastener can achieve the obvious retaining and anti-loosening effect, and the integrity and stability of the track structure are guaranteed. The first fixed convex structure is clamped into a clearance between two arms of the elastic bar to serve as the fulcrum of the reaction arm, the surface structure of the elastic bar cannot be destroyed, and the performance and strength of the elastic barare not affected.
Owner:李光泽
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