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31results about How to "Reduce the difficulty of judgment" patented technology

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises a first baseplate and a second baseplate opposite to the first baseplate, wherein the first baseplate comprises a plurality of touch-control electrodes distributed in an array manner; the second baseplate comprises a plurality of touch-control auxiliary electrodes, and each touch-control auxiliary electrode and parts of two adjacent touch-control electrodes are overlapped in a projection manner in the direction perpendicular to the second baseplate, wherein the overlapped parts of the touch-control auxiliary electrode and the touch-control electrodes are the same in shape. When touch operation is generated in the display panel, coupling capacitance is formed between a touch-control medium and the touch-control auxiliary electrodes, further coupling capacitance is formed between the touch-control auxiliary electrodes and the touch-control electrodes, which is equivalent to reduction of the perpendicular distance of the touch-control medium and the touch-control electrodes; one time of touch operation can correspond to more touch-control electrodes, and the touch-control position judgment difficulty and the touch-control operation accuracy requirement are reduced.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1

Monitoring equipment-based target object speed calculation method

The invention relates to a monitoring equipment-based target object speed calculation method, and aims at calculating speeds of target objects according to video images shot by monitoring equipment mounted on running vehicles. The method comprises the following steps of: judging whether a coordinate, under an image physical coordinate system, of an original video image is known or not, if the judging result is positive, removing distortion of the video image through coordinate transformation, and if the judging result is negative, removing the distortion of the video image through an image correction tool so as to obtain a corrected video image; establishing a relative two-dimensional coordinate system, and calculating a transformation parameter between the relative two-dimensional coordinate system and an image pixel coordinate system; calculating a coordinate, under the relative two-dimensional coordinate system, of a grounding point of a target object according to the normalized andnonlinearly optimized transformation parameter, so as to obtain relative positions of the target object and a running vehicle; and calculating a running speed of the target object according to changeconditions of the relative positions of the target object and the running vehicle. Compared with the prior art, the method has the advantages of removing image distortion and being small in result error and strong in operability.
Owner:上海联合道路交通安全科学研究中心

Intelligent electronoluminescence methods and devices

InactiveCN106614438ASolving Interpretation DifficultiesReduce vision damageOther angling devicesElectrical batteryColor changes
The invention discloses intelligent electronoluminescence methods and devices, and relates to the field of fishing tackles for fishing. Multiple methods and multiple devices are included; one device is composed of a device shell, a micro circuit board and a pin type battery, wherein the device shell is made of a soft-elastic transparent material, one end of the device shell can be inserted into a floating tail, the middle of the device shell is loaded into the micro circuit board, the other end of the device shell can be inserted into a pin type battery, and the micro circuit board integrates an LED, a single chip microcomputer, an acceleration sensor and a battery socket; the devices detect the motion states of the devices through the acceleration sensors, acceleration data in the vertical direction is transmitted to a program of the single chip microcomputer in real time for analysis and adjustment, on and off of different LED are determined according to the judging results, fishermen are prompted according to different color changes, and therefore fish messages are learned. The intelligent electronoluminescence methods and devices have the advantages of being easy to use, miniature, lightweight, high in speed and precision, intelligent, capable of saving energy, easy to interpret, firm, durable and high in adaptability.
Owner:邓斌

Wireless hotspot monitoring device and method adopting multi-wireless hotspot monitoring technology

PendingCN109982359APrevent missed detection of WIFI channelsMeet the 7*24 hours continuous uninterrupted operation requirementsWireless communicationExternal connectionReal-time computing
The invention discloses a wireless hotspot monitoring device and method adopting a multi-wireless hotspot monitoring technology. The wireless hotspot monitoring device comprises industrial-grade hostequipment, a wireless hotspot monitoring group, a wireless hotspot main control unit and an industrial-grade storage unit, wherein each wireless hotspot monitoring unit, the wireless hotspot main control unit and the industrial-grade storage unit are respectively connected with the industrial-grade host equipment; the wireless hotspot main control unit comprises a scheduling module, a monitoring module, a legality judgment module and a communication monitoring module, the scheduling module is connected with the monitoring module, the monitoring module is connected with the legality judgment module, and the legality judgment module is connected with the communication monitoring module. Therefore, the wireless channel in the industrial control system environment can be effectively and comprehensively monitored, legality of the wireless hot spot/wireless connection equipment can be effectively and rapidly identified, access of illegal wireless hot spots can be effectively prevented, and illegal external connection events caused by illegal access of the wireless hot spots can be completely eradicated.
Owner:四川英得赛克科技有限公司

A wireless hotspot monitoring device and a wireless hotspot monitoring method adopting a single wireless hotspot monitoring technology

PendingCN109922498AMeet the 7*24 hours continuous uninterrupted operation requirementsSolve the problem of continuous wireless hotspot monitoringAssess restrictionTransmission monitoringComputer scienceIndustrial control system
The invention discloses a wireless hotspot monitoring device adopting a single wireless hotspot monitoring technology and a method thereof. The wireless hotspot monitoring device comprises industrial-grade host equipment, a wireless hotspot monitoring unit, a wireless hotspot main control unit and an industrial-grade storage unit, wherein the wireless hotspot monitoring unit, the wireless hotspotmain control unit and the industrial-grade storage unit are respectively connected with the industrial-grade host equipment; wherein the wireless hotspot main control unit comprises a monitoring module, a legality judgment module and a communication monitoring module, the monitoring module is connected with the legality judgment module, and the legality judgment module is connected with the communication monitoring module. Therefore, the wireless channel in the industrial control system environment can be effectively and comprehensively monitored, legality of the wireless hot spot/wireless connection equipment can be effectively and rapidly identified, access of illegal wireless hot spots can be effectively prevented, and illegal external connection events caused by illegal access of the wireless hot spots can be completely eradicated.
Owner:四川英得赛克科技有限公司

Input-free dynamic verification code implementation method

The invention provides an input-free dynamic verification code implementation method. The method comprises the following steps: firstly, generating a tenable verification code library and an invalid verification code library at a server; secondly, when a user inputs an account number and a password at a client side, the server randomly extracting N verification codes from the tenable verificationcode library and the invalid verification code library to establish a verification code set, displaying one verification code in the verification code set in a verification code box of the client; andfinally, judging whether the logicality of the current verification code is correct or not, if not, waiting for automatic updating of the verification code by the user, and if yes, clicking submission by the user to perform a next operation interface to finish verification of dynamic verification. According to the method and the system, judgment can be carried out when a user sees the verification code, redundant input operation is not needed, the complexity of application interaction is reduced, a time length factor is increased by utilizing an extraction algorithm and a sorting algorithm when continuous identification of the verification code fails, the cracking difficulty of the client in unit time is improved, and the safe operation of the client is ensured.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Method and device for measuring on-resistance of field effect transistor

The invention discloses a method and device for measuring the on-resistance of a field effect transistor. The measuring method comprises the following steps: inputting on-voltage to conduct a field effect transistor to be measured; inputting the same test current to a plurality of source pins and a plurality of drain pins of the field effect transistor chip, and measuring voltage drop correspondingly generated on each pin of the field effect transistor chip; judging whether the constant current source is in good contact with a loading line on a pin of the field effect transistor chip according to the test current and the voltage drop; according to the voltage drop, judging whether the voltage measuring meter is in good contact with a test line on a pin of the field effect transistor chip or not; and when the contact between the constant current source and the loading line and the contact between the voltage measurement meter and the test line are good, obtaining the on-resistance of the field effect transistor to be tested according to the test current and the voltage drop. According to the method and device, possible test errors in the measurement process can be easily judged, the test accuracy is improved, and the measurement method is simple.
Owner:SG MICRO

A fast method for judging the legitimacy of wireless hotspots in an industrial control environment

The invention discloses a method for quickly judging the legitimacy of wireless hotspots in an industrial control environment. The specific steps of the method include Step 1: the administrator sets the wireless hotspot as a legal wireless hotspot and an illegal wireless hotspot; Step 2: receiving the new wireless hotspot information sent by the wireless hotspot monitoring unit, and writing it into an industrial-grade large-capacity storage device , for the administrator to read afterwards and determine whether the SSID and BSSID information of the wireless hotspot exists in the wireless hotspot blacklist or the wireless hotspot white list; Step 3: If the wireless hotspot does not exist in the wireless hotspot blacklist or the wireless The SSID and BSSID information of the hotspot verifies the legitimacy of the wireless hotspot by judging whether the signal strength of the wireless hotspot exceeds a preset threshold. Therefore, the present invention can not only solve the problem of legitimacy detection of wireless hotspots in the industrial control system environment, but also issue alarms, early warnings and notification messages in time, and play an active and effective security protection role for the industrial control system network.
Owner:四川英得赛克科技有限公司

Three-level space vector modulation method under multiple coordinate systems

The invention relates to a three-level space vector modulation method under multiple coordinate systems and relates to a three-level space vector modulation method applied to a middle / high-voltage inverter and a photovoltaic inverter, and a control system thereof. The control system comprises a power grid interface, a voltage-increasing device, a bus capacitor with a neutral point, a power switch device, a clamping diode, a main control system, a driving system and a three-phase load, and the power switch device form a three-phase bridge arm. The three-level space vector modulation method comprises the following specific operation steps of: a, virtually simulating a middle vector of a three-level space vector on the premise of taking an average value of a neutral point current as zero during a switch period; b, respectively calculating a coordinate of a basic vector including a virtual middle vector in coordinate systems of 30 degrees, 60 degrees, 90 degrees, 120 degrees and 150 degrees; and c, judging sector areas according the characters of a reference voltage space vector in each coordinate system. The three-level space vector modulation method under the multiple coordinate systems has the advantages of small calculation amount, capability of simply and conveniently realizing the level balance of the three-level neutral point, and suitability for multi-level space vector modulation of more than three levels.
Owner:DONGFANG HITACHI CHENGDU ELECTRICAL CONTROL EQUIP CO LTD

Leakage detecting method of vacuum brake device

The invention relates to a leakage detecting method of a vacuum brake device. The leakage detecting method is as follows: firstly, manufacturing a reducing joint; secondly, manufacturing a plug; next, connecting an interface at one end of the reducing joint with one end of a vacuum brake pipe of a vehicle; connecting an interface at the other end of the reducing joint with one end of a woven brake hose; then connecting the other end of the woven brake hose and an air outlet of a microcontrol single vehicle tester; connecting an air inlet of the microcontrol single vehicle tester with an air source; next, finishing closing of a brake pipeline; then starting the microcontrol single vehicle tester, and coating a foaming agent on the joint position of the vacuum brake pipe of the vehicle after ventilation; and finally, after the pressure of the air source of the microcontrol single vehicle tester is increased to 400KPa, maintaining the pressure for 3 minutes, carrying out inspection on all the joint parts and judging that the foaming parts are leaking parts. By utilizing the leakage detecting method, the technical problems of low efficiency, poor effect and damage to the vacuum brake device in the background technology are solved. The leakage detecting method has the advantages that the production efficiency is high, the judgment difficulty is low and the like.
Owner:XI AN RAILWAY TRANSPORTATION EQUIP

Detection system and method for single-spindle breakage of spinning frame based on image analysis technology

The invention provides a spinning frame single spindle line breaking detection method based on an image analysis technology. The method comprises the steps of A, system initialization, wherein various working parameters are set and transmitted to a server, an image pickup device works, and one photograph is selected as the benchmark photograph; B, power-on work, wherein a traveling device conducts reciprocating motion, the image pickup device takes photographs at regular time intervals, and a transfer system transmits the digitized photographs taken by the image pickup device to the server; C, image processing, wherein an image receiving program in the server receives and records the photographs taken by the image pickup device, and transmits the photographs to an image processing program to conduct processing; D, line breaking judgment, wherein the current photograph is compared with the benchmark photograph, when differences between the two reach preset conditions, it is judged that line breaking failure exists, and the line breaking spindle position information is acquired by calculation; E, failure notification, wherein notification is conducted when the line breaking information is detected; meanwhile F, statistical analysis is conducted.
Owner:ANHUI HUAMAO TEXTILE

A method for quickly judging the legitimacy of wireless access equipment in an industrial control environment

The invention discloses a method for quickly judging the legality of wireless access equipment in an industrial control environment. The specific steps of the method include step 1: the administrator sets the known wireless access equipment as legal wireless access equipment or illegal Wireless access device; Step 2: Receive the new wireless access device information sent by the wireless access device monitoring unit, write it into an industrial-grade large-capacity storage device, and confirm whether the wireless access device exists in the blacklist of the wireless access device. The MAC address information of the wireless access device is used to judge the legitimacy of the wireless access device; Step 3: If the MAC address information of the wireless access device does not exist in the blacklist of the wireless access device, then confirm the wireless hotspot connected to the wireless access device Whether it is an illegal wireless hotspot to judge the legitimacy of the wireless access device. Therefore, the present invention can not only solve the problem of legitimacy detection of wireless access equipment in the industrial control system environment, but also send out alarm, early warning and notification messages in time, and play an active and effective security protection role for the industrial control system network.
Owner:四川英得赛克科技有限公司

Uterus grasping forceps and electric hysterectomy device

The uterus grasping forceps comprise a fixed forceps handle and a movable forceps handle which are rotationally connected, spring pieces are arranged on the inner side of the fixed forceps handle and the inner side of the movable forceps handle, the end portions of the spring pieces on the two sides are mutually buckled, the lower end of the movable forceps handle is rotationally connected with a rack, one end of the rack is attached to the spring pieces, and the other end of the rack is attached to the movable forceps handle. The other end of the rack extends to the position below the fixed clamp handle and is meshed with a tooth block at the bottom of the fixed clamp handle, the end of the rack is connected with the movable clamp handle through a mounting block, a driving rod is arranged on the mounting block, a driving accessory rotationally connected with the movable clamp handle is arranged on the outer side of the driving rod, and a display part is connected to the outside of the driving accessory. And the display part partially extends to the outer side of the movable clamp handle and is provided with a display strip. According to the uterus grasping forceps, the possibility that the knife head is damaged when the uterus grasping forceps are pulled out can be effectively reduced, the excision knife tube is prevented from making contact with external organs during excision operation, and hematocele suction removal of the excision part is achieved.
Owner:ZHEJIANG SHENDASIAO MEDICAL INSTR
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