121results about How to "Reliable security" patented technology

Methods for forming a rib on a cannula for cooperation with a safety cover which securably and reliably locks the tip of a cannula in an interior chamber within the safety cover. The cover comprises an elongate body having the interior chamber and an axial through hole which extends along the entire length of the body, through the interior chamber and through which the cannula is slidably received. Displacing elements are positioned within the interior chamber, each of which includes a hole for receiving the cannula therethrough, and which displaces upon retraction of the tip of the cannula, thereby preventing subsequent advancement of the cannula tip. The cannula includes a thickened rib adjacent to the tip, and the safety cover should correspondingly include an annular section in the rear portion thereof. The through hole extending through the rear portion has a diameter which is smaller than the thickened rib of the cannula whereby the cannula tip may not be retracted from the safety cover. The rib is formed by a thermal method in which a sleeve is heated to expand its inside diameter to allow the sleeve to be slid onto the cannula. The sleeve is then cooled to room temperature so that the inside diameter contracts to attach the sleeve to the cannula. In another method, a sleeve is placed on the cannula and crimped at the desired location.

The invention relates to a hollow fiber membrane module comprising polysulfone type selectively permeable hollow fiber membranes which contain a polysulfone-based resin and a hydrophilic polymer as main components, wherein (A) the content of the hydrophilic polymer in the uppermost layer of the inner surface of the hollow fiber membrane is at least 1.1 times larger than the content of the hydrophilic polymer in the proximate layer of the inner surface of the membrane, and (B) the content of the hydrophilic polymer in the uppermost layer of the outer surface of the hollow fiber membrane is at least 1.1 times larger than the content of the hydrophilic polymer in the uppermost layer of the inner surface of the membrane. The hollow fiber membrane module is exposed to a radioactive ray, on condition that the oxygen concentration of an ambient atmosphere around the hollow fiber membrane is from 0.001 to 0.1%, and that the moisture content of the hollow fiber membrane to the weight thereof is from 0.2 to 7 mass %.

A safety device for a door is arranged to prevent access to the vertical gap situated on the side where the hinges are located between the frame and the rear edge of the door. The safety device comprises a protection unit having at least one tubular element fitted in the gap in vertical alignment with the hinges, and a strip made of flexible or semi-rigid material arranged on the side opposite the tubular element. The fixing part for fixing the strip onto the frame comprises a rounding unit for rounding the strip over the whole height thereof so as to perform preliminary bending of the strip at a predetermined angle. The strip and the plate extending down to the bottom of the door to achieve total protection.

The invention discloses an analysis method for reducing rolling motion of a ship. The analysis method comprises the following steps of according to an established three-dimensional stimulation image of the ship, calculating instant restoring force and instant wave incidence force of the ship under any waves, calculating a rolling angle and a ship rolling probability according to the ship heaving, pitching and rolling three degrees of freedom coupling motion differential equation to obtain the probability that the rolling angle of the ship is smaller than a flooding angle, thereby judging whether the ship runs at a safe state; and by regulating a navigational state of the ship, obtaining a numerical simulation result of the motion of the ship in any wave directions under the action of random waves and the probability that the rolling angle is smaller than the flooding angle, so that a navigation state of the ship corresponding to the maximum of the probability that the rolling angle is smaller than the flooding angle can be found out, and the rolling motion of the ship can be reduced by selecting the navigation state or changing the model line of a ship body at a design stage. According to the analysis method for reducing the rolling motion of the ship, which is disclosed by the invention, the rolling angle and the rolling probability are calculated, so that the rolling motion of the ship under any waves is reduced.

A high-density power converter that benefits from improved packaging techniques and thermal handling capability is provided. The power converter includes a magnetic core. The converter further includes a printed circuit board providing at least one cutout for receiving a portion of the magnetic core. A circuit is magnetically coupled to the magnetic core. A stopper is configured at an edge of the cutout proximate to the circuit to hold the magnetic core at a predefined distance relative to the circuit, thereby meeting a safety distance requirement between the core and the circuit. Advanced thermal management is provided by way of a heatsink assembly to enhance the thermal-handling capability of the converter.

A method in an industrial safety system for controlling a process or equipment. The industrial safety system including components with safety devices. The safety system enables signals to be generated as a result of an event or alarm. An automated link is created between the event or alarm and an action to be taken upon receipt of the event or alarm signal due to the event. A control signal is generated to initiate the action. Also, a computerized system according to the method.

The invention discloses an embedded, mobile and intelligent interconnection drive assisting system. The system comprises a global positioning system (GPS) positioning module, a random access memory, a vibration sensor, a 3rd generation (3G) telecommunication module, a double-axle acceleration transducer, a liquid crystal touch screen, and a central processing unit which controls the vibration sensor to enter a working state, monitors and acquires vibration signals of an automobile in real time, judges whether the current automobile or goods are in a danger state, receives transverse and longitudinal automobile acceleration signals which are acquired by the double-axle acceleration transducer, judges whether the traffic accident of the current automobile occurs or not, and sends an alarm message to a number which is set by the central processing unit in advance through the 3G telecommunication module if the automobile is in danger. In the system, the advantages of all independent modules are fully exerted and organically integrated. All modules are matched cooperatively, and ensure the safety of the automobile, goods and passengers; the real-time for rescuing accident vehicles and injured persons is improved; and the system has abundant functions of electronic commerce, audio and video entertainment, and wireless Internet access, and fully improves the driving comfort.

A system for enabling the safe landing of an aircraft during an in-flight emergency is provided. The system includes a plurality of onboard devices for releasably securing a plurality of wings to a fuselage, and a non-electric module for activating said onboard devices. Said onboard devices are released to separate said wings from the fuselage.

The invention discloses an intelligent building elevator dispatching platform system. The system comprises a client, a cloud server, a communication gateway, a data collection terminal, a ZigBee coordinator, an intelligent gateway, a general control system and a control system of intelligent building elevator group control dispatching, wherein the client is connected with the cloud server througha wireless network, the data collection terminal is connected with the cloud server through the ZigBee coordinator and the intelligent gateway, the cloud server is used for monitoring and analyzing operation data of an elevator through big data analysis and cloud computing on the data uploaded by the intelligent gateway, and the cloud server establishes a communication connection with the intelligent building elevator group control dispatching general control system through the communication gateway. The intelligent building elevator group control dispatching general control system analyzes the optimal stopping time and running time and reasonably plans the elevator taking times, the optimized dispatching for the elevator is achieved through the control system, so that the energy consumption can be reduced, the higher-efficiency operation of the elevator can be achieved, and the safety and elevator taking experience feeling of people can be improved.

The invention provides a safe method and a system used for remotely upgrading an embedded Linux kernel, which are applicable for the network communication field. The method includes the following steps: A. two or even more Linux kernel files are stored in a system, wherein the kernel which is booted up by the Linux system by default is a working kernel, and the other Linux kernels are back-up kernels which can ensure successful boot-up of the system; B. the working kernel is taken as an upgrading object for upgrading when the Linux kernels need upgrading; and C. the back-up kernels are started when the working kernel fails to boot up due to upgrading failure.

The invention discloses a dead zone detecting feedback method and system and relates to the technical field of automobiles. By the dead zone detecting feedback method and system, the problem that existing visualizing systems for dead zones in front of the automobiles fail to supply reliable safety guarantee for drivers in the prior art is solved. The dead zone detecting feedback system comprises a dead zone image system, a radar detecting system and an assisting system, and the assisting system is used for detecting ignition state of an engine and current speed and transmitting detected results to a radar control unit in the radar detecting system via an ignition signal of the engine and a current speed signal. The radar control unit starts a head radar probe when judging that the ignition signal exists and the current speed is between zero and a preset value, and when the distance between a detected obstacle and the automobile is smaller than or equal to the preset distance, the radar control unit transmits a starting signal to a dead zone image control unit in the dead zone image system, and the dead zone image control unit starts a head camera and displays an image of the obstacle on a display screen inside the automobile. The dead zone detecting feedback method and system are used for danger detection of dead zones in front of the automobile.

The invention discloses an oblique photography measurement prediction rolling rock motion trail simulation system and a prediction method thereof. The method comprises the steps of installing a five-splicing camera system on an unmanned aerial vehicle flight platform, conducing low altitude oblique photography measurement on a slope rolling rock area to obtain oblique image data, preprocessing the image, adopting 3D modeling software to conduct live-action three-dimensional modeling, according to rolling rock trail experiments which are previously conducted, data of numerical value simulation and a matched result, establishing an engineering database of a geotechnical engineering expert system, through database matching and comprehensive inference mechanism analysis, obtaining main relevant parameters which influence a slope rolling rock motion trail and energy conversion, by using CoFrac rolling rock analysis software, and based on the obtained data and an energy tracking method, conducting numerical value simulation on the slop rolling rock motion trail, and analyzing energy loss and a potential motion trail of a rock belt in the rolling process of a rolling rock, so that a scientific basis is provided for governing the rolling rock.

The invention provides an emergency load rejection and position indicating device of an unmanned underwater vehicle. The emergency load rejection and position indicating device of the unmanned underwater vehicle comprises an emergency load rejection unit with a counterweight. A position indicating unit is arranged below the counterweight. The counterweight is located between the underwater vehicle and the position indicating unit. The position indicating unit comprises a floating body. The floating body is internally provided with a communication positioning antenna, a control unit, a battery and a water depth pressure sensor. The underwater vehicle, the counterweight and the floating body are connected through explosive bolts. The explosive bolts movably penetrate through through holes in the counterweight and then are fixedly connected with the floating body. The control unit comprises a single chip microcomputer, a communication positioning module and a control circuit. A communication cable is arranged between the single chip microcomputer and the communication positioning module. A transmission wire is arranged between the water depth pressure sensor and the single chip microcomputer. The single chip microcomputer controls ignition of the explosive bolts through the control circuit. The communication positioning antenna is connected with the communication positioning module through a feedback line. Power is supplied to the position indicating unit through the battery. The invention further provides a corresponding emergency load rejection and position indicating method. According to the emergency load rejection and position indicating device and method of the unmanned underwater vehicle, the dual functions of emergency load rejection and position indicating can be achieved, and the searching efficiency and the success rate are improved.

The present invention relates to an information security device of Universal Serial Bus (USB) Human Interface Device (HID) class and the data transmission method for the same. With a master chip that has a built-in HID descriptor and a USB interface chip connected to the master chip, the device of the present invention itself may be designed to be compact and easy to use, and provide powerful functions. With the USB HID interface, the device user does not need to install a driver and the user can use the device anywhere and anytime. And the user does not need to manage the driver whose version updates constantly, consider the compatibility of various product drivers, face the risk caused by the driver when running OS, and worry about the pollution to the system resulted from the installation and uninstallation of the driver. CPU, SCM or smart card chip used as the master chip ensures that the security of identity authentication is reliable. Moreover, the security of identity authentication device can be further improved by adding biometric identification module and / or the like.

The invention discloses a monitoring system based on electric information for the health status of a wind driven generator and a monitoring method thereof. The monitoring system comprises a wind driven generator data acquisition module, a signal preprocessing module, a signal processing module and a monitoring output module. The monitoring method disclosed by the invention comprises the followingsteps: (1) acquiring wind driven generator environmental data, running status physical quantity and output electric information from the wind driven generator; (2) processing the wind driven generator environmental data and the running status physical quantity acquired by the wind driven generator data acquisition module, estimating to obtain the due output power of the wind driven generator, comparing the due output power with actual output power, and if the deviation is overgreat, outputting an alarm signal; and (3) processing a wind driven generator output current signal acquired by the wind driven generator data acquisition module. By adopting the monitoring system based on the electric information for the health status of the wind driven generator and the monitoring method thereof, the health status of the wind driven generator can be efficiently and economically monitored, mechanical failure and electrical failure can be monitored simultaneously, and a sufficient and reliable safety guarantee is provided for the wind driven generator.

The present invention relates to an information security device of Universal Serial Bus (USB) Human Interface Device (HID) class and the data transmission method for the same. With a master chip that has a built-in HID descriptor and a USB interface chip connected to the master chip, the device of the present invention itself may be designed to be compact and easy to use, and provide powerful functions. With the USB HID interface, the device user does not need to install a driver and the user can use the device anywhere and anytime. And the user does not need to manage the driver whose version updates constantly, consider the compatibility of various product drivers, face the risk caused by the driver when running OS, and worry about the pollution to the system resulted from the installation and uninstallation of the driver. CPU, SCM or smart card chip used as the master chip ensures that the security of identity authentication is reliable. Moreover, the security of identity authentication device can be further improved by adding biometric identification module and / or the like.

The invention provides a method and system for paying digital currencies by using a visible digital currency chip card, and aims at carrying out offline payment, expanding charging scenes, solving the payment problems under the condition of network lack, enlarging the user groups and bringing convenience to the collection of the users that do not register to use digital currencies. The method for paying digital currencies by using the visible digital currency chip card comprises the following steps of: sending a payment request to collection terminal equipment by a payment visible digital currency chip card under the connection of not establishing network connection with a commercial bank digital currency system; sending the payment request and collection user identify authentication information to the commercial bank digital currency system by the collection terminal equipment when the collection terminal equipment is successfully connected with a network of the commercial bank digital currency system; sending a payment confirmation request to a central bank digital currency system by the commercial bank digital currency system so as to carry out digital currency owner change; and executing preset operations by the central bank digital currency system according to the payment confirmation request, wherein the preset operation comprises changing an owner of a to-be-paid digital currency and storing the identity authentication information.

The invention relates to an efficient and safe pedestrian crossing traffic light control system, comprising a central processing unit, a pedestrian data acquisition unit, a traffic light control unit, a vehicle barrier cross bar control unit and a vehicle barrier cross bar mechanism; wherein the pedestrian data acquisition unit acquires pedestrian quantity at the two ends of the pedestrian crossing, the central processing unit calculates a time period with minimal traffic flow in a permissive time range, determines the green light starting time and time duration in the pedestrian direction and generates a traffic light control instruction and a vehicle barrier cross bar control instruction, the traffic light control unit is connected with the central processing unit by a signal wire, and the vehicle barrier cross bar control unit is connected with the central processing unit by the signal wire. The invention can allow the pedestrian to pass when the motor vehicle flow on the road is small, so as to ensure the passing of the pedestrian while reducing the influence on the motor vehicle and the whole road traffic condition to the utmost extent.

The invention relates to a numerical control feeding table which comprises a hydraulic lifting table, a hoisting device, two shaft feeders, a mechanical arm used for clamping plates, an X-direction screw rod, a Y-direction screw rod and a worktable, wherein the hydraulic lifting table is positioned below the hoisting device and can be vertically lifted; the hoisting device is provided with a sucking bowl; and the mechanical arm can transversely or longitudinally move under the action of the X-direction screw rod and the Y-direction screw rod. The use of the numerical control feeding table obviously improves the production efficiency, reduces the rejection rate and also improves the working environment of operating personnel.

The invention provides a method for realizing a trusted computing platform in an embedded device, which relates to the technical field of information security. The method disclosed by the invention comprises the steps of: connecting an embedded device with a trusted computing module; storing digest values in the trusted computing module for guiding key characteristic data and the key characteristic data of an application program; building a trust chain by the embedded device, and transferring the key characteristic data to the trusted computing module; returning a digest value 1 to the embedded device by the trusted computing module; verifying the correctness of the digest value 1 by the embedded device; transferring the key characteristic data of the application program to be started to the trusted computing module by a real-time operating system; returning a digest value 2 to the embedded device by the trusted computing module; and verifying the correctness of the digest value 2 by the embedded device. According to the method disclosed by the invention, all functions of the trusted computing platform can be realized in the embedded device by connecting the embedded device with the trusted computing module, a reliable security assurance is provided for the embedded device.

The invention discloses a method for implementing safety parameter synchronization in a moving scene in a clustering system. The method is characterized by comprising the steps that transmitting terminal hyper frame number (TX_HFN) configuration information of a neighboring area is broadcast and transmitted to a clustering terminal within a second area by a base station in which the second area is positioned; the TX_HFN configuration information of the neighboring area is received by the clustering terminal within the second area, and the TX_HFN configuration information, which corresponds to underway group calling, of the neighboring area is stored and recorded; after the clustering terminal moves to the neighboring area of the second area to perform the area selection, a latest TX_HFN value of the current underway group calling in the current area is obtained in the stored TX_HFN configuration information of the neighboring area by the clustering terminal according to a global area identification of the current area and a group number in a downlink broadcast message received by a wireless protocol. According to the method, a TX_HFN of the current group calling in a target area can be obtained in time by the clustering terminal, so as to guarantee the continuity of the clustering group calling business in the moving scene.

The invention discloses a highly smart LDTG composite geotechnical material and an engineering monitoring system thereof. The material and the system are characterized in that the composite geotechnical material comprises interlaced fiber bundles of a basis material, and at least one optical fiber is attached onto or to the inside of or to the surface layer of the fiber bundles along the extending direction of the fiber bundles which interlace in at least two different directions to form the biaxial or multiaxial composite geotechnical material. During engineering monitoring, a grating scanner is connected with the optical fiber in the composite geotechnical material, a computer with a data analyzing program and software is connected with the grating scanner, a caution curve of a collapse part is obtained after the processing of the data analyzing program and software of the computer, therefore processing and repair can be performed timely, and accidents are avoided.

When a signature is registered, a signature in Japanese characters, for example, ‘’ (‘Fujitsu’), or a signature in English characters, for example, ‘Fujitsu’ is input n times through an input device of an input equipment of a signature authentication system, and each element of the shape of handwriting, writing speed, writing acceleration, and writing pressure is computed. A combination of nC2 is set for each element of the data input n times, the reciprocal of each similarity is obtained, an average value of the similarity is computed for each element, a weight is determined for each similarity from the average value, a weighted average value of the four elements is computed and defined as the total similarity of the registered signature. In an authenticating process, signature data to be compared is input / output m times. In the same method, the total similarity of a signature to be compared is obtained.

The invention relates to an SSH and SFTP (Secure Shell and Ssh File Transfer Protocol)-based tunnel intelligent management and control system which comprises a transmission unit and an authentication unit, and also comprises a command controllable unit, wherein the command controllable unit is used for capturing an operation command used by a client end and judging and processing the feasibility of the operation command. The invention relates to an SSH and SFTP-based tunnel intelligent management and control method. The invention has the beneficial effects of enabling the tunnel management and operation to be visible, controllable and manageable, solving the safety problem and the safety threats of SSH and SFTP server system levels and providing reliable safety guarantee for normal order operation of the server in a company IT environment.

The invention discloses a multifunctional small water-plane area twin hull, which is characterized in that: a guide pile, a bower anchor, a stern anchor, a side anchor, cables connecting the guide pile, the bower anchor, the stern anchor and the side anchor, and a windlass are arranged on a platform; four heavy punches for the anchors are positioned at the bottom of a submerged body; a spiral propeller is respectively arranged at both sides of the stern and both laterals of the head part of the submerged body. The invention has the advantages that: as the small water-plane area, disturbing force of waves on the platform and resonance between the hull and the wave, as well as range of shaking and swaying for the platform are small, the positioning accuracy and working efficiency are guaranteed in operation, the comfort level and feeling of safety are improved for the personnel, and requirements for large working area of the deck and smallest range of swaying and hoisting are maximally met; since the resistance from the wave and the interference of the water surface is small during the sailing, the sailing is fast and stable and the energy is remarkably saved; free sailing, flexible turning, accurate transverse movement and positioning are realized.

The invention discloses a device for preventing a chest of drawers from losing stability and overturning. The device comprises a chest body, wherein at least two layers of drawers which are in parallel from bottom to top are arranged on the chest body; a slider link mechanism is arranged on the inner side surface of each side plate of the chest body, a guide rail is arranged on the side surface, opposite to the slider link mechanism, of each drawer and comprises a first slide and a second slide, and the first slide and the second slide are connected through an oblique slide; limiting clamp slots are also formed in side surfaces of the drawers and located above the corresponding second slides; each slider link mechanism comprises a slide strip capable of sliding up and down, and sliders which are in parallel from bottom to top and capable of sliding on the corresponding slide rails are arranged on the slide strip. The device has the advantages of being simple to mount, high in reliability, high in limiting performance, concealed and the like, the problem that the chest body loses stability, overturns and hurts people due to the fact that all drawers of the chest of drawers are pulled open simultaneously and the gravity center of the chest body shifts can be solved effectively, and personal and property safety of users in the furniture using process is greatly protected.