413 results about "Secure by default" patented technology

The method includes steps: communication opposite terminal (COT) sends the request end information received from the request end to the key management center (KMC); based on the request end information, KMC validates ID of the request end; after validating validity of the request end, KMC creates shared cipher key for COT and the request end based on the request end information, and self prearranged security information; KMC down sends the created shared cipher key as information of cipher key to COT; using the said shared cipher key, the request end and COT carry out security communication. The invention also discloses device for security communication between terminal devices. Guaranteeing security communication between terminal devices, the invention especially guarantees security communication between ME/UICC/PE and PE.

The invention provides a bicycle management method and system. The method includes receiving the vehicle use request information sent by the user terminal; allocating idle bicycles that meet the vehicle use request information according to the vehicle use request information; sending the idle bicycle information to the user terminal, and sending the user information to the idle bicycle; receiving the return bicycle sent by the bicycle information, obtain the parking information of the bicycle, and judge whether the bicycle is safely parked according to the parking information of the bicycle and the preset safety evaluation standard. Realize the real-time collection of bicycle operation information and monitoring information, automatically control and manage bicycles, improve the frequency of bicycle sharing and management efficiency, reduce bicycle management costs, and also manage the safety of users during driving; when users rent bicycles , can be rented through the network, and when returning the car, the user can set up a stop to place the bicycle, and pay the rental fee through various methods, which improves the ease of use of bicycle management.

The embodiment of the invention provides a data stream processing method, a data stream processing system, a controller and switching equipment. The data stream processing method comprises the following steps of: receiving the first characteristic information of a data stream transmitted by any piece of switching equipment in a software defined network (SDN), and judging whether the data stream corresponding to the first characteristic information of the data stream is safe or not according to preset safety rules to obtain a detection result; if the detection result indicates that the data stream is safe, generating a data stream forwarding strategy for the data stream, and transmitting the data stream forwarding strategy to the switching equipment, so that the switching equipment forwards the data stream according to the forwarding strategy; and if the detection result indicates that the data stream is unsafe, instructing the switching equipment to discard the data stream. According to the data stream processing method, the data stream processing system, the controller and the switching equipment, the safety of the data stream of any piece of switching equipment in the SDN can be detected.

The invention relates to the field of motor control, and discloses an overvoltage protection device, an overvoltage protection method and an electrolytic-capacitor-free motor driving system. The overvoltage protection device comprises a voltage detection module for detecting direct-current bus voltage Vdc in real time, a current compensation dosage calculation module which is connected with the voltage detection module and is used for calculating a current compensation value according to the detected direct-current bus voltage Vdc and a preset safety voltage Vdc_max, and a current control module which is connected with the current compensation dosage calculation module and is used for generating a final current instruction value according to the calculated current compensation value and an initial current instruction value and adjusting three-phase current input into a motor by an inverter according to the final current instruction value in order to avoid overvoltage damage of the electrolytic-capacitor-free motor driving system. Through adoption of the voltage protection device and method and the electrolytic-capacitor-free motor driving system, the three-phase current of the motor can be adjusted according to the direct-current bus voltage detected in real time and the preset safety voltage, so that over high direct-current bus voltage is lowered, and the aim of overvoltage protection is fulfilled.

The invention discloses an express delivery unmanned aerial vehicle (UAV) multi-cluster safe route control method and control system, wherein, the method comprises receiving ordering of a client; planning an exclusive route for reach UAV based on ordering address information, controlling the UAV to fly to the destination according to the exclusive route, and correcting the route when the UAV is detected to deviate from the exclusive route; and controlling the UAV to hover when an obstacle is detected in a preset safety zone of the UAV, and controlling the UAV to fly according to the principle of route avoidance. The control method in the embodiment of the invention achieves orderly flight of the UAVs in the air through exclusive route planning, route deviation correction and flight safety zone emergency avoidance, and ensures the safety of simultaneous flying of a UAV multi-cluster in the air.

The invention provides a radiofrequency ablation method and a radiofrequency ablation system for nerve ablation. The radiofrequency ablation system comprises a central processing and control module, and a radiofrequency releasing module, a volume impedance measuring module, a temperature monitoring module and an alarming and automatic storage module, which are respectively connected with the central processing and control module. The central processing and control module is used for generating an instruction parameter and also for controlling the radiofrequency releasing module according to the monitoring result of the volume impedance measuring module and the temperature monitoring module; the volume impedance measuring module is used for measuring volume impedance of a target tissue so as to provide evidence for positioning the target tissue and judging the damage degree of the radiofrequency; the temperature monitoring module is used for monitoring the temperature on the periphery of the target tissue in real time so as to prevent the excessive damage of a target tubular cavity; the alarming and automatic storage module is used for comprehensively analyzing a signal from the monitoring module and issuing an alarm in time for the situation exceeding a preset safety threshold value and for automatically sorting and storing the utilized parameters and collected information in the ablation process.

The invention discloses a VRF (Variable Refrigerant Flow)air-conditioner fault handling method which comprises the following steps: an air-conditioner acquires fault information and determines the grade of the fault information; the fault information and the grade thereof are uploaded to a server, so that the server sends an emergency instruction of service in derated capacity back to the air-conditioner when determining that the fault information is in the preset first grade; the air-conditioner operates according to preset safety parameters when receiving the emergency instruction of service in derated capacity and enters a fault halt state after operating for a preset period of time. The VRF air-conditioner fault handling method facilitates the maintenance work of maintenance personnel and improves the service efficiency of a VRF air-conditioner.

The invention discloses a quick and safe landing device and method for an unmanned aerial vehicle, belonging to the unmanned plane field. The quick and safe landing device for an unmanned aerial vehicle is provided with a trigger device which can trigger the unmanned aerial vehicle to execute the safe and quick landing mode; the unmanned aerial vehicle comprises a memory, a flight control device and a rotor; the memory is used for storing the preset safe and quick landing speed; the flight control device can control landing of the unmanned aerial vehicle according to the preset safe and quick landing speed; the rotor can be used for adjusting the rotation speed under the control of the flight control device; and the flight control device is connected with the memory and the rotor. The quick and safe landing device and method for an unmanned aerial vehicle can realize safe and quick landing of the unmanned aerial vehicle, and not only can reduce the air crash risk caused by too fast landing speed of the unmanned aerial vehicle, but also can prevent accidents caused by waiting for a too long time because of too slow landing speed of the unmanned aerial vehicle and the insufficient electric quantity.

The invention discloses a mobile terminal real-time antitheft alarm method. The method comprises the following steps: obtaining current position coordinates of a mobile terminal, sent by a network end; starting an antitheft mode when the current position coordinates are not disposed in a preset safety scope; in case of the antitheft mode, obtaining displacement parameters of the mobile terminal, obtained by a displacement sensor in real time; and starting alarming when the differences between the displacement parameters and preset parameters are greater than preset change values. The invention further discloses a mobile terminal real-time antitheft alarm apparatus. Through a mobile terminal positioning mode, the antitheft mode is started on an unsafe occasion, whether the mobile terminal is faced with a theft threat can be determined through real-time monitoring of the displacement parameters of the mobile terminal, and an alarm is given timely at the moment of theft, such that the risk of losing the mobile terminal is effectively reduced.

The invention provides a vehicle control method and a system and a vehicle. The control method comprises the following steps: when a vehicle has a flat tire, an electric assistance steering system, an engine control module and a vehicle body electronic stabilizing system are started to automatically control the vehicle; the electric assistance steering system controls a rotating angle of a steering wheel according to a predicted driving trajectory before tire burst, so that the vehicle is maintained on the predicted driving trajectory before tire burst; the engine control module limits an output torque of an engine according to a preset safety torque threshold; and the vehicle body electronic stabilizing system distributes the braking force applied to each wheel according to a target punctured tire to control stable braking of the vehicle. The method can automatically control the vehicle to keep reasonable driving trajectory after tire burst, and stably reduces the speed to improve the safety and the reliability of the vehicle when the vehicle has a flat tire.

The embodiment of the invention provides a fingerprint unlocking method and a terminal, wherein the method comprises the steps that when the terminal stays at a screen-locked state, the terminal can collect target fingerprint information which is input by a user at a target unlocking position in a fingerprint collection area; if the target fingerprint information matches with preset fingerprint information, the terminal can judge whether the target unlocking position matches with a preset unlocking position; and the terminal can switches a screen locking interface to a main interface or an interface which is operated by the terminal before the screen-locked state if the target unlocking position matches with the preset unlocking position, or the terminal enters a preset safe mode, and the terminal does not output preset privacy information under the preset safe mode when the target unlocking position does not match with the preset unlocking position. By the embodiment of the invention, security of the terminal can be enhanced.

The invention relates to the household electrical appliance field and particularly relates to a household electrical appliance detection protection method, an intelligent socket for household electrical appliances and a washing machine. The method comprises steps that, S10, a voltage value and a current value of a household electrical appliance are detected by a line detection device in real time, and a power is calculated according to the voltage value and the current value; S20, when the household electrical appliance starts, a power curve is drafted by a controller and is further stored, the acquire power curve is matched with a characteristic power curve stored in a database through searching, if matching succeeds, and the type of the household electrical appliance is set to be a household electrical appliance type corresponding to the characteristic curve; and S30, the intelligent socket is set to be in a corresponding work mode according to the household electrical appliance type, when the voltage value Ut, the current value It and/or a real-time power Pt are not in a preset safety scope corresponding to the set work mode, electrical protection for the household electrical appliance is carried out by the intelligent socket. Through the method, the type of the household electrical appliance can be automatically identified, and corresponding detection control strategy is adopted according to the type of the household electrical appliance.

The embodiment of the invention relates to a data detection method and a data detection device. The data detection method comprises the following steps: intercepting a data packet flowing through a network data transmission interface by monitoring a network data transmission interface of a terminal operating system; according to preset safety rules, scanning the data packet; if the data packet contains non-safe data content, processing the non-safe data content; and returning the processed data packet to the network data transmission interface for carrying out data transmission, so that the problems that a terminal is invaded by malicious data and a system or user data is threaten are solved, early inspection of the data packet which enters or is output from the terminal is realized, and the malicious data is timely found, so that security and reliability of data interaction in the terminal are guaranteed.

The invention discloses an overvoltage protection device for an air conditioner. The overvoltage protection device comprises a PTC (Positive Temperature Coefficient) thermistor, a controllable switch, a voltage sampler, an electrolytic capacitor, a temperature detector and a control module, wherein the controllable switch is connected in parallel with the PTC thermistor; the voltage sampler samples direct current voltage output by a rectifier; the temperature detector detects environment temperature in real time; and the control module controls the controllable switch to disconnect when the direct current voltage is greater than preset safe voltage to allow the PTC thermistor to be connected in series with a power supply circuit, acquires safe recovery voltage according to the current environment temperature when operating frequency of a compressor is less than or equal to first preset frequency, and controls the controllable switch to close to allow the PTC thermistor to be short-circuit. The overvoltage protection device can perform overvoltage protection when input alternating current voltage is too high, and avoids damage of an electronic component in the air conditioner due to overvoltage. The invention further discloses the air conditioner and an overvoltage protection method thereof.

The embodiment of the invention provides a replenishment method and equipment, and the method comprises the steps: determining the remaining sales time of a to-be-replenished commodity according to the current stock and daily average sales volume of the to-be-replenished commodity; judging whether the remaining sales time is smaller than a preset sales time threshold or not; if the daily average sales volume is smaller than the current inventory volume, determining the to-be-replenished goods volume of the to-be-replenished goods according to the preset safety inventory time, the transportation required time of the to-be-replenished goods, the daily average sales volume and the current inventory volume; and sending a replenishment application to a target supplier, the replenishment application carrying the to-be-replenished commodity quantity, so that the target supplier performs replenishment on the to-be-replenished commodity according to the to-be-replenished commodity quantity. According to the method provided by the embodiment of the invention, the replenishment result accuracy is high, the problems that the replenishment amount is predicted by relying on experience of relatedpersonnel on the historical sales volume of commodities and the prediction result accuracy is low are solved, and meanwhile, the method has the characteristics of simple calculation, low hardware consumption, high expansibility and high practicability.

The embodiment of the invention discloses a flash lamp alarm method, a mobile terminal, wearable equipment, and a system. The method comprises the steps: receiving an alarm instruction sent by the wearable equipment, wherein the alarm instruction is generated after the wearable equipment detects the distance between the mobile terminal and the wearable equipment to be greater than a preset safety distance; obtaining the current ambient brightness according to the alarm instruction; controlling a rotatable flash lamp of the mobile terminal to rotate and flash according to a preset strategy if the current ambient brightness is judged to be less than a preset brightness threshold value. According to the embodiment of the invention, through the real-time detection of the distance between the mobile terminal and the wearable equipment, the mobile terminal is timely reminded of carrying out flashing alarm operation when the distance is greater than the preset safety distance, thereby improving the alarm timeliness and positioning accuracy when the mobile terminal is lost.

The invention provides a tyre safety detecting method and a tyre safety detecting system. The method comprises the following steps: acquiring a tyre side surface image of a target car, and determining, according to the tyre side surface image, deformation parameters of a tyre; judging whether deformation parameters of the tyre are within a preset safety threshold value range or not; if the deformation parameters of the tyre are not within the preset safety threshold value range, carrying out warning processing. By applying the embodiment of the invention, passive type tyre safety detection can be realized, and hidden danger of traffic accidents is reduced.

The embodiment of the invention provides a virtual trusted platform module function implementation method and management equipment. The method is executed in an abnormal level EL3 of a processor with an ARM V8 framework adopted and comprises the steps that one or more vTPM instances corresponding to VMs are generated according to one or more VM needs, the generated one or more vTPM instances are stored in a preset safety space, each vTPM instance is provided with a dedicated instance communication queue which is used for the corresponding VM, and a physical address is distributed to each instance communication queue; through interaction with VMMs and the VMs, the VMs can acquire the communication queue virtual addresses of the VMs corresponding to the communication queue physical addresses of the vTPM instances in a VM virtual address space, and the VMs are in communication with the communication queues of the vTPM instances through the VM communication queue virtual addresses. Consequently, time delay is reduced, and processing efficiency is improved.

The embodiment of the invention provides a fall protection method of a flexible screen mobile terminal. The fall protection method comprises the following steps of: acquiring motion parameters of the mobile terminal in real time, wherein the motion parameters comprise a deflection angle and an acceleration; comparing the acceleration with a preset safety threshold value; if the acceleration is larger than the preset safety threshold value, calculating an included angle between the mobile terminal and a preset plane based on the deflection angle; if the included angle is not equal to a parallel angle, controlling the flexible screen to deform, wherein the parallel angle is integral multiples of 180 degrees. In the embodiment of the invention, the deflection angle and the acceleration of the mobile terminal are acquired, when the acceleration is larger than the preset safety threshold value, the flexible screen is controlled to deform according to the included angle between the deflection angle and the preset plane, so that a corner of the flexible screen is avoided from being directly collided, the screen service reliability is improved, and a risk of accident break is reduced.

A safe driving support apparatus may include: an emotion index detection unit configured to detect an emotion index of a driver or passenger, using one or more of vision, voice and behavior of the driver or passenger; a driver risk index detection unit configured to detect a driver risk index using ego vehicle driving information and surrounding environment information of an ego vehicle; a driving difficulty level detection unit configured to detect a driving difficult level depending on a driving position of the ego vehicle; a vehicle driving unit configured to control autonomous driving of the ego vehicle; and a control unit configured to control the vehicle driving unit to drive the ego vehicle to a safe area, according to whether the emotion index, the driver risk index and the driving difficulty level are included in a preset safety area.

The present disclosure provides a right granting method and apparatus and belongs to the technical field of a terminal. The method comprises: during the installation of any one application APP, granting first system rights to the APP, wherein the first system rights are system rights of which security accords with a preset safety standard; during the use of the APP, when an application of the APP for any one system right in second system rights is received, displaying the applied system right and a granting allowing option and a granting prohibition option of the applied system right, wherein the second system rights are system rights in the system rights required by the APP besides the first system rights; and when a trigger operation for the granting allowing option is detected, granting the applied system right to the APP. According to the right granting method and apparatus which are provided by the present disclosure, the first system rights are determined by the granted user amount of each system right, and during the installation of the APP, the first system right is granted to the APP, thereby improving the continuity of the operation.

The invention relates to an intelligent infusion alarm device and system. The device comprises a case, an alarm circuit and a remote controller connected with the alarm circuit wirelessly, wherein the alarm circuit comprises a controller, a dripping speed detector electrically connected with the controller, a wireless liquid level detector, a timer, a wireless communication module, a liquid crystal touch screen and an audible and visual alarm, and the dripping speed detector is used for detecting the dripping speed of liquid medicine in a murphy's dropper; the wireless liquid level detector is used for detecting the liquid level height of the liquid medicine in an infusion bottle or an infusion bag; the liquid crystal touch screen is used for receiving infusion parameters input by users; the controller is used for calculating the remaining liquid medicine quantity in the current infusion bottle or infusion bag and driving the audible and visual alarm to alarm when the remaining liquid medicine quantity is less than a threshold value or the liquid level height is lower than a preset safety liquid level height and at the same time, alarm signals are sent to the remote controller according to the dripping speed information, the liquid level height information and the infusion parameters. By the technical scheme, the intelligent infusion alarm device and system are capable of achieving the intelligent monitor for the infusion rate and the infusion progress.