92results about How to "Solve security issues" patented technology

The invention discloses an APP (Application) safety protection system and method under an IOS (Iphone Operating System). The system comprise a safety keyboard module, a user data safety storage module, an App sensitive information storage module, a source code protection module and a safety hot update module, wherein the five safety protection modules are used for carrying out safety protection ona situation that an existing IOS mobile APP has defects and problems. By use of the system, solutions for five safety problems which are usually met in an existing iOS-App development process are integrated into a safety protection frame method, a developer only needs to apply the safety protection method to the App, effective safety protection can be carried out on the App through correct deployment, a developer can conveniently solve an App safety problem, development time is shortened, and the safety of the App is improved.

The invention discloses a swivel and closure construction method for a large-span continuous beam crossing an existing station. A constructed large-span continuous beam adopts a reinforced concrete box beam crossing the existing station and the front end and the rear end of a span are supported on a second buttress and a third buttress respectively; the swivel and closure construction process comprises steps as follows: step one, swivel system construction: a swivel system is constructed at the bottom of each of the second buttress and the third buttress and comprises a lower support disc, an upper rotating disc, a bridge swivel spherical hinge and a swivel traction system, multiple support legs are arranged at the bottom of the upper rotating disc, and an annular slide way allowing the support legs to slide is formed on a lower bearing platform; step two, construction of the second buttress and the third buttress; step three, construction of a front side beam body and a rear side beam body; step four, plane swivel construction; step five, side span closure construction; step six, mid-span closure construction. According to the method, the steps are simple, the design is reasonable, the construction is simple and convenient, the use effect is good, the swivel and closure construction process of the large-span continuous beam crossing the existing station can be completed simply, conveniently and rapidly, and the construction process is safe.

The invention discloses a swivel construction method for a large span continuous beam which spans an existing station. The constructed large span continuous beam is a reinforced concrete box beam which spans the existing station and the two ends of a middle span of the constructed large span continuous beam are supported on a second buttress and a third buttress correspondingly. A swivel construction process includes the steps that (1) swivel system construction is performed, specifically, swivel systems are constructed at the bottom of the second buttress and the bottom of the third buttress correspondingly, each swivel system comprises a lower supporting disc, an upper rotary disc, bridge swivel spherical hinges and a swivel hauling system, multiple supporting feet are disposed at the bottom of the upper rotary disc, and a lower bearing platform is provided with an annular sliding way where the supporting feet slide; (2) construction of the second buttress and the third buttress is performed; (3) construction of a front side beam body and a rear side beam body is conducted; and (4) plane swivel construction is carried out, specifically, the plane swivel construction is performed through the two swivel systems and the two swivel hauling systems. The swivel construction method for the large span continuous beam which spans the existing station is simple in steps, reasonable in design, easy and convenient to construct, good in using effect, capable of easily, conveniently and rapidly finishing the swivel construction process for the large span continuous beam spanning the existing station and safe in construction process.

A mobile terminal charger relates to the field of mobile terminals such as cell phone and data card with battery charging. The mobile terminal charger comprises: a thermistor and a charger output protection circuit, wherein the thermistor mounted on a head of a connector accesses a charger circuit via a charger direct current (DC) cable, constitutes a charger loop resistor with the resistor in the charger; and the charger output protection circuit cuts off or reduces the output power of the charger when the resistance of the charger loop resistor is less than the overcurrent protection threshold value.

The invention discloses a mobile wireless monitoring and alarming fence system, which comprises multiple mobile wireless monitoring and alarming fences and a monitor center, wherein the multiple mobile wireless monitoring and alarming fences are used for field security protection and are vertically arranged at certain interval; the monitor center is used for remote monitoring of the multiple mobile wireless monitoring and alarming fences; the monitor center is in wireless communication connection with the multiple mobile wireless monitoring and alarming fences; and two adjacent mobile wireless monitoring and alarming fences are in signal correlation connection through signal sending and signal receiving. The mobile wireless monitoring and alarming fence system disclosed by the invention can overcome the defects of high cost, high risk, low reliability, large electric power consumption, small application range and the like in the prior art, and has the advantages of simpleness in installation, convenience for moving, no need for commercial power, low cost, good safety, high reliability, strong interference resistance, good stability, energy saving and environmental friendliness andlarge application range.

A barcode which is generated by a mobile phone or represents an ID of a user is used. Various treatment which needs ID authentication such as electronic payment in electronic commerce is finished through the ID represented by the barcode. Due to the fact that the barcode needs to be represented through a picture, a secure channel cannot be set up just like NFC or other communication methods. In order to prevent the ID from being masked, a usual method comprises the step that the user inputs a PIN to further carry out confirmation. In the ID authentication method based on the representation of the barcode, the authentication of the PIN is replaced by the method using a dynamic authentication code. The dynamic authentication code is guaranteed to be effective only in a certain time range. The user just needs to prevent the own barcode from being stolen in the certain time, and then safety of the ID authentication can be guaranteed, so that authentication procedures are simplified and the needed time is shortened, and the above equal safety is guaranteed. An irreversible Hash value is adopted in the process of transmission of the dynamic authentication code, and the phenomenon that authentication information contained in an authentication code cannot be copied is guaranteed.

The invention relates to a konjac glucomannan membrane haze-prevention mask. A mask body of the konjac glucomannan membrane haze-prevention mask is composed of four layers which specifically include the first layer, namely, the outmost layer, made of non-woven fabric, the second layer made of a konjac glucomannan porous membrane, the third layer made of a konjac glucomannan nanometer porous membrane, and the fourth layer, namely, the layer in contact with the face, made of non-woven fabric. With natural polymer polysaccharide, namely, konjac glucomannan, serving as the main ingredient, the konjac glucomannan membrane haze-prevention mask has various characteristics of hydrophilia, the thickening characteristic, stability and the like. In recent years, natural polymer compounds are widely applied to the material field, and many problem emerging on material safety are solved. The technology of preparing high-quality nanometer porous membranes with plant polysaccharide serving as the raw materials become a hot point in recent years; according to the method, the special gel property of konjac glucomannan is utilized, and the konjac glucomannan nanometer porous membrane is obtained through application of the electric field technology, and has great application potential in the material field. The konjac glucomannan membrane haze-prevention mask has higher indexes such adsorption performance, safety, raw material price and potential markets than those of other masks on the market, and can be selected by mass consumers as high-quality haze-prevention masks.

An independent separating type power battery assembly comprises a rack assembly, a plurality of guiding strips, two polar heads, a plurality of lithium batteries and safety units. The guiding strips are connected to the polar heads and are disposed on the rack assembly, respectively. The rack assembly has a containing space for accommodating the lithium batteries, and each lithium battery is connected to the guiding strip by a guiding piece via one safety unit, such that the lithium batteries are connected in parallel, thus providing enough power with a small size. In addition, each safety unit can cut off the broken lithium battery separately, so as to avoid the immediate shut-off of the electric power.

Provided is a technology capable of efficiently managing various customized applications according to clients and providing security and efficiency in executing and editing the customized applications. An apparatus for managing customized applications according to an exemplary embodiment of the present invention, comprising: an application supplying unit generating the customized applications by combining a plurality of pre-stored application data according to client information; an application executing unit generatin a virtual executing environment to allow the customized applications to be executed in a server or virtual server on a client terminal and supplies the virtual executing environment to the client terminal; and a filtering unit controlling whether it permits one or more of the execution and edition of the customized applications according to the client information.

The invention provides a method for a safety control trackside device of a vehicle-mounted controller. The method comprises the following steps: after a train enters into an access road, acquiring a trackside controller corresponding to the access road by the vehicle-mounted controller according to an access table; sending a request for applying for a control right of the trackside device in the access road by the trackside controller; returning the control right of the trackside device to the vehicle-mounted controller by the trackside controller; operating the trackside device in the access road by the vehicle-mounted controller through the trackside controller; after completing the operation, returning the control right of the trackside device to the trackside controller by the vehicle-mounted controller. According to the invention, a control right mechanism is designed for realizing the cooperative control of the vehicle-mounted controller and the trackside controller; the safety in controlling the trackside device by the vehicle-mounted controller is guaranteed; the trackside device can be used when the expected states of a plurality of vehicle-mounted controllers for the trackside device are consistent to each other; the system efficiency is increased.

The invention discloses a train operation safety protection system without secondary train occupation detection equipment, and the system comprises an initial train position marking module which enables a dispatcher to mark the section occupation information corresponding to the initial train positions of all trains manually through ATS before the system is powered on, a train tracking initialization list module which is used for initializing a train tracking list by the ATS according to the marked section occupation information and sending the train tracking initialization list to the trackside ZC; and a running train position tracking module which is used for tracking the positions of all trains by the trackside ZC in the running process of the trains. According to the invention, the train operation safety protection can be realized when no secondary train occupies the detection equipment, and the safety protection problem of the signal system when no secondary train occupies the detection equipment for auxiliary protection is effectively solved.

The invention discloses a method, a device and a system for protecting the safety of a computer. The method for protecting the safety of the computer comprises that: a first server receives the message digest 5 (MD5) value of the original information from a client side, wherein the original information is the start point information which is obtained through scanning a start point of the computer by the client side; the first server searches the start point state which corresponds to the MD5 value from a first database to obtain a first matching result, wherein the corresponding start point states of different MD5 values can be stored in the first database; and the first server sends the first matching result to the client side, so that the client side process the start point according to the operation command corresponding to the first matching result. The method is utilized to solve the problem that the method for protecting the safety of the computer in the prior art cannot protect the safety of the computer when the computer is started by virus by utilizing null files, and furthermore, an effect of protecting the safety of the computer is well realized.

The invention discloses a transformer substation insulator hot-line work robot system and method. The system comprises a robot body, a control module arranged in the robot body and an insulating lifting mechanism arranged on the robot body. The tail end of the insulating lifting mechanism is connected with a live-line work tool through a quick connecting part; the live-line work tool comprises a live-line cleaning device or an RTV spraying device. The invention has the beneficial effects that the system can be quickly switched to the RTV spraying device after an insulator sweeping operation iscompleted, so the continuous operation of sweeping-spraying of the insulators of a transformer substation can be achieved.

A method for constructing a wind field model based on CFD and monitoring a local area wind field of multiple wind measurement devices comprises the steps of 1) constructing a business guarantee area geographic information model: according to business guarantee area requirements, properly extending to determine business guarantee area boundary conditions, utilizing precise terrain information obtained by GIS, combining with business guarantee area landform characteristics, and constructing a business guarantee area geographic information model containing elevation, roughness and other information; 2) constructing a computational fluid dynamics (CFD) wind field simulation model: solving a discrete solution of a fluid dynamics control equation through a numerical method, and performing CFD numerical simulation according to a geographic model of a service guarantee area to obtain CFD wind field simulation results with different directions, different wind speeds and different gust characteristics, wherein the selection of the size of the grid of the service guarantee area needs to be determined in combination with the landform condition so as to achieve the minimum calculation amount and the optimal simulation result; 3) analyzing sensitivity of observation points; and 4) establishing a regional wind field monitoring system.

The invention discloses a circuit overcurrent protection device and method, relates to circuit fuse protection technology, and solves the problem that a fixed fusing current value causes a potential safety hazard. The device comprises an electronic fuse protection circuit current setting resistor, a voltage dividing circuit, a first-order overcurrent protection resistor adjusting circuit and a second-order overcurrent protection resistor adjusting circuit. The technical solution provided by the invention is suitable for circuit protection of electronic devices, and realizes a fuse protection scheme adapted to a voltage variation scenario.

The invention belongs to the field of structure safety protection of marine engineering, in particular relates to an FRP (Fiber Reinforce Plastic) and steel board combined type offshore collision preventing device, and aims at solving the problem of safety protection of an offshore structure. The device is formed by assembling a plurality of basic collision preventing units around the protected structure, wherein each basic collision preventing unit is in a shape of a sector cylinder and comprises an FRP housing, a corrugated steel plate corrosion preventing structure, an S-shaped steel plate collision preventing structure and a propping cover; the corrugated steel plate collision preventing structure and the S-shaped steel plate collision preventing structure are embedded into the FRP housing; the FRP housing is manufactured through FRP material, and the inside of the FRP housing is hollowed out and divided into an outer side and an inner side which do not communicate; the corrugated steel plate collision preventing structure can be embedded into the outer side, and the S-shaped steel plate collision preventing structure can be embedded into the inner side. With the adoption of the device, the problem of safety protection of the offshore structure can be solved; the corrosion resistance is high while the energy absorbing effect is good, so that the later maintenance cost can be decreased, and the offshore structure can be protected for a long term, and as a result, the offshore work and the assembling and replacing can be conveniently carried out.

The invention relates to a calibrating device for a fully automated high-voltage dielectric loss tester, which comprises a data processor, a storage unit, a drive unit and a dielectric loss gear control circuit. The storage unit is connected with the storage port of the data processor, the control signal output end of the data processor is connected with the signal input end of the drive unit, the signal output end of the drive unit is connected with the control end of the dielectric loss gear control circuit, the high-voltage signal input end of the dielectric loss gear control circuit is connected with the high-voltage signal output end of the high-voltage dielectric loss tester to be tested, and the measurement result output end of the dielectric loss gear control circuit is connected with the low-voltage sampling input end of the high-voltage dielectric loss tester to be tested.

A wireless monitoring type high-pressure testing protection wall device comprises a pressure testing wall, wherein the pressure testing wall comprises a base and a pressure testing protection wall mounted on the base; an electric interface box is mounted on the base; a plurality of cameras are mounted at the upper part of the pressure testing protection wall; the cameras are connected with the electric interface box through a composite cable and are connected with a wireless monitoring control system in the electric interface box respectively; and the wireless monitoring control system is connected with a remote monitor through a local access network and a remote access network respectively, and is used for converting all electric signals into wireless signals through the local access network and the remote access network to realize remote control of the cameras and remote transmission of monitoring data. Through the wireless monitoring type high-pressure testing protection wall device, a pressure curve of pressure equipment for pressure testing can be recorded and traced, and remote video data of the pressure in a pressure testing process can be collected so as to greatly improve the reliability and safety of a field test environment.