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192results about How to "Obvious positive technical effect" patented technology

Method and system for achieving visual presentation of client side

The invention provides a method and system for achieving visual presentation of a client side. The achieving method comprises the steps that a cloud server determines a visible picture of a client at present according to current information of the client at the client side in a device, the cloud server carries out rendering process on the picture and sends to rendered picture information to a terminal device where the client side is located in a picture mode, and the client side displays a corresponding picture according to the picture type information received by the terminal device. According to the method and system for achieving visual presentation of the client side, data processing capability of the cloud side is fully utilized, the client side is simplified, the development and downloading process of the client side is simplified, and processing pressure of the terminal device where client sides are located is reduced. The requirement for hardware allocation of the terminal device where the client sides are located is reduced, experience of the client side of the client is improved, and popularization and application of application software like three-dimensional network games are facilitated.
Owner:LUOYANG QUANQUANTANG BUSINESS

Intelligent vehicle locking system

The invention relates to an intelligent vehicle locking system. The system comprises an engine electronic control unit ECU, a vehicle-mounted intelligent device and a long-range monitoring device, wherein the vehicle-mounted intelligent device communicates with the engine ECU through a vehicle-mounted network, and communicates with the long-range monitoring device through a wireless communication network; the vehicle-mounted intelligent device collects the current state information of a vehicle through the vehicle-mounted network, transmits the current state information of the vehicle to the long-range monitoring device through the wireless communication network, receives a vehicle locking / unlocking signal transmitted from the long-range monitoring device, and transmits the vehicle locking / unlocking signal to the engine ECU so as to realize the automatic vehicle locking / unlocking of an engine. According to the intelligent vehicle locking system provided by the invention, the current state information of the vehicle, which is collected through the vehicle-mounted intelligent device, is transmitted to the long-range monitoring device which determines whether the vehicle locking / unlocking signal is transmitted according to the current state information of the vehicle, and the safety of long-range intelligent vehicle locking operation is effectively ensured.
Owner:SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST

Secure online upgrade method and system for tax control equipment software

ActiveCN105656859AAchieve upgradeUpgrade timely and safeTransmissionPlaintextDigital signature
The invention provides a secure online upgrade method and system for tax control equipment software. The secure online upgrade method comprises the steps that: a terminal sends a tax control equipment identifier that is encrypted based on a first key to a network end; the network end decrypts the tax control equipment identifier via a second key, and sends a communication key that is encrypted based on a third key, an upgrade data packet that is encrypted based on the communication key and a digital signature to the terminal, when determining that the tax control equipment identifier is a credible tax control equipment identifier and that the terminal has software upgrade authority; the terminal decrypts the communication key via a fourth key, obtains an upgrade data packet plaintext via the communication key, obtains a first abstract corresponding to the digital signature via the communication key and the first key, and executes an upgrade operation of the tax control equipment software, when determining that the upgrade data packet plaintext is a complete and effective upgrade data packet plaintext according to the first abstract and a second abstract that is calculated based on the upgrade data packet plaintext. The secure online upgrade method provided by the invention is used for guaranteeing the security and integrity of data transmission in an upgrade process and reducing the upgrade cost of the tax control equipment software.
Owner:AEROSPACE INFORMATION

Signal detection and control equipment and traffic signal failure automatic inspection system

The invention relates to signal detection and control equipment and a traffic signal failure automatic inspection system. The system comprises an upper computer and a plurality of signal detection and control equipment. The upper computer and the signal detection and control equipment are connected through a wireless communication network. The signal detection and control equipment comprise interface circuits, acquiring modules, signal conditioning modules, main controllers, wireless communicating modules and power management modules. The interface circuits are connected to traffic signal terminal equipment, the acquiring modules are connected to the interface circuits and are used for acquiring electrical parameters of the traffic signal terminal equipment, the signal conditioning modules are used for determining failures of the traffic signal terminal equipment by the fuzzy neural algorithm according to conditioned acquired signals, producing corresponding traffic signal failure alarming information when the failures of the traffic signal terminal equipment are determined, and transmitting to the upper computer through the wireless communicating modules. By the aid of the traffic signal failure automatic inspection system, intelligent remote management and maintenance of the traffic signal terminal equipment can be implemented.
Owner:北京桓润世嘉科技有限公司

Surface collapse microseism three-dimensional positioning and monitoring method and system

The invention relates to a surface collapse microseism three-dimensional positioning and monitoring method and system. The system comprises a plurality of detectors, at least one data collecting station and a control center, wherein the data collecting station is used for converting analog electrical signals collected by the detectors into digital monitoring signals and sending the digital monitoring signals to the control center through a wireless transmission network, the control center is used for receiving the digital monitoring signals transmitted from the data collecting station and conducting the focus inversion operation according to the digital monitoring signals, therefore, the focus can be positioned, and three-dimensional display imaging is achieved. The data collecting station comprises an input filter, a pre-amplifier, an analog-to-digital conversion module, a logic control unit, a data encoder, a wireless data transmission interface and a power module. According to the technical scheme, surface collapse can be easily, conveniently, timely, accurately and inexpensively monitored in real time.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS

Clock generating method and clock generating circuit for CMOS (complementary metal oxide semiconductor) without crystal oscillator

The invention relates to a clock generating method and a clock generating circuit for a CMOS (complementary metal oxide semiconductor) without a crystal oscillator. The clock generating method includes: generating high-frequency sine oscillation signals by a digital-control oscillator; converting the high-frequency sine oscillation signals into square-wave signals output in single-end mode; underclocking the square-wave signals to obtain clock signals of preset frequency according to preset fractional frequency; regulating duty ratio of the clock signals so that the duty ratio of the clock signals can meet the requirement of preset duty ratio of clock, and outputting the clock signals, wherein a variable capacitor array in the digital-control oscillator is controlled by frequency locking control information. A method for setting the frequency locking control information includes: generating frequency control information according to frequency difference between output signals of an external crystal oscillator and the clock signals underclocked. By the clock generating method, the clock generating circuit can be smaller in size and lower in power consumption, low-cost CMOS technology can be realized in chips, and accordingly, integrity and stability of the system are improved, system realizing cost and power consumption are reduced.
Owner:ANHUI UNIVERSITY

Method and device for collecting stumpage information

The invention relates to a method and a device for collecting stumpage information. The method comprises the following steps of obtaining the height of an information collector who uses an intelligent mobile electronic device to collect the stumpage information, and determining the height from the intelligent mobile electronic device to the ground according to the height of the information collector; obtaining a current look-down angle of the intelligent mobile electronic device under the situation that a focusing point of a shooting center of the intelligent mobile electronic device is aligned to a lowest point of a detected stumpage, and calculating the distance between the intelligent mobile electronic device and the detected stumpage according to the height and the look-down angle; obtaining a current look-up angle of the intelligent mobile electronic device under the situation that the focusing point of the shooting center of the intelligent mobile electronic device is aligned to a highest point of the detected stumpage, and calculating the height of the detected stumpage according to the height, distance and the look-up angle. According to the technical scheme provided by the invention, the stumpage information collecting convenience and the information collecting efficiency are effectively increased, and the implementation cost for collecting the stumpage information is reduced to a larger extent.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Method for assembling rotary kiln

ActiveCN102706139AEasy, quick and accurate installationEasy to install and detectRotary drum furnacesEngineeringRotary kiln
The invention relates to a method for assembling a rotary kiln. The method for assembling the rotary kiln includes steps: respectively marking out end face center points on two end faces of each section of a barrel of the rotary kiln pertinently; erecting a laser emitting device which emits laser beams according to the technique inclination of the rotary kiln; adjusting relative positions of the laser emitting device and a preset section so as to enable the laser beams to shoot the center points of the two end faces of the preset section provided with a transmission gear to establish a laser datum line; sequentially adjusting positions of the other sections except the preset section according to the distances from the other sections to the laser emitting device from near to far so that distances from the shooting position of the laser datum line on each end face to the center point of the end face in an X-direction and a Y-direction are within a preset error range; and fixedly connecting the sections. By the aid of the technical scheme of the method for assembling the rotary kiln, the rotary kiln can be conveniently and rapidly assembled, measuring accuracy can be improved, deviation is avoided to the greatest extent, and design requirements of the rotary kiln are met.
Owner:中色十二冶金建设有限公司

Goods shelf supplement system based on internet of things

The invention provides a goods shelf supplement system based on the internet of things. The goods shelf supplement system comprises a goods supply side portion and a goods supplied side portion, wherein the goods supplied side portion comprises at least one goods sensor frame which is provided with a sensor module used for collecting and outputting goods quantity information, and at least one goods management device connected with one or more sensor modules so as to generating goods quantity information of products on the goods sensor frame according to received goods quantity information; an inventory management device of the goods supply side portion obtains data and commands through a communication system, displays inventory of products on the goods supplied side according to the goods quantity information and prompts inventory alarming information according to the goods quantity information and corresponding inventory low-values and / or inventory high-values. The goods shelf supplement system can automatically sense inventory information through a goods shelf and tell suppliers the inventory information directly, so the goods supply side and the goods supplied side can learn about the inventory conditions of the goods supplied side at any time, labor cost is saved and management efficiency is improved.
Owner:LUOYANG AOKAI FUHUI INFORMATION TECH

Cutting method of Z-shaped notch of H-shaped steel

ActiveCN102632313AGuaranteed internal stressMaintain internal stress balanceGas flame welding apparatusEngineeringInternal stress
The invention relates to a cutting method of a Z-shaped notch of H-shaped steel. The H-shaped steel is placed in the horizontal direction of a web plate. One cutting method comprises the following steps: firstly, cutting the web plate of the H-shaped steel according to the middle cutting edge of the Z-shaped notch; then cutting joints of the web plate of the H-shaped steel and wing plates at two sides respectively according to cutting edges at two sides of the Z-shaped notch so as to peel off partial connection between the web plate and the wing plates at two sides; and finally cutting the wing plates at two sides to form two sections of H-shaped steel with Z-shaped notches. The other cutting method is basically the same as the cutting method, and the only difference between the two cutting methods is that the execution sequence of the first cutting step and the second cutting step is changed. The technical scheme provided by the invention can be used for effectively avoiding adverse effects caused by internal stress in the cutting process and reducing the investment in lifting operation, thereby improving the cutting yield of the H-shaped steel, improving the working efficiency, and reducing the construction cost.
Owner:中色十二冶金建设有限公司

Method for honeybee pollination to watermelon in facility

The invention relates to a method for honeybee pollination to watermelon in a facility. The method comprises the followings: the propagation time of colonies for pollination is 40 to 50 days before moving to the facility; the breed is western honey bee; 2 to 3 piece of honeycombs and about 5000 bees are included in one beehive; an insect prevention screen is mounted; the application of various farm chemicals inside the facility is prevented, and systemic insecticide is prevented from being applied; the temperature is controlled to be 22 to 28 DEG C, and the relative humidity level is 50 to 80 percent; during early flowering season of watermelon, colonies for pollination are put into the facility; the beehive is placed in the center of the facility, which is 0.5 to 1 meter far from the ground, and a sunshield device is arranged above the beehive; a hive entrance faces to the south or the north; one box of pollination honeybee is arranged inside a 600 to 700.2 meter shed; the bee colonies is in standing for 15 to 30 minutes after moving into the facility, the hive entrance is opened slowly; the pollination time is 6 to 10 days; and after pollination and the honeybees going back to the honeycomb, the hive entrance is closed, and the bee colonies are evacuated. The invention provides standard specification for pollination to watermelon in the facility so as to guide planting personnel.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES

Method and device for estimating forest above-ground biomass

The invention relates to a method and device for estimating forest above-ground biomass. The method comprises the steps that perpendicular distribution of the relative reflectivity of pixels is estimated for a pair of preprocessed polarization interference SAR images by using a Legendre expansion equation of multiple correlation of the pixels in the perpendicular direction; scattering type distinguishing is conducted on all the pixels in the preprocessed main image, areas formed by all volume scattering type pixels in the image are regarded as forest areas, and object-oriented partition is conducted, so that a plurality of polygon forest stands representing homogeneity forest objects are obtained; for all the polygon forest stands, average relative reflectivity perpendicular structural sections are calculated respectively, and parameterized processing is conducted on the average relative reflectivity perpendicular structural sections; a multi-element linear forest above-ground biomass estimation model is established according to multiple obtained parameters, and the forest above-ground biomass of the polygon forest stands is calculated through the multi-element linear forest above-ground biomass estimation model. According to the technical scheme, the forest above-ground biomass can be more accurately estimated.
Owner:RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY

Driving test system based on global position system (GPS)

The invention relates to a driving test system based on a global position system (GPS). The driving test system comprises a GPS positioning system and a master control device. The GPS positioning system comprises two GPS receiving antennas and a GPS positioning signal processor, wherein the two GPS receiving antennas are arranged on a test car and receive and output GPS positioning signals. The GPS positioning signal processor receives GPS positioning signals output by the two GPS receiving antennas and determines the coordinate positions of the two GPS receiving antennas according to the GPS positioning signals. The marker coordinate position in the test item is pre-stored in the master control device; and the master control device calculates the coordinate position of a preset portion of the test car in a preset coordinate system according to the coordinate positions of the two GPS receiving antennas, and determines the position relation of a marker and the preset portion of the test car in the preset coordinate system according to the marker coordinate position and the coordinate position of the preset portion of the test car. The driving test system reduces achievement cost and improves applicability of an electronic test system.
Owner:王恩惠

Unit continuous lighting system

InactiveCN103889103AEnhanced Lighting ControllabilityLow costElectric light circuit arrangementElectric power systemStandby power
The invention relate to a unit continuous lighting system which comprises a continuous lighting power supply device, at least one control device and at least one light source module. The continuous lighting power supply device is connected with a city power supply, a standby power supply and the control devices. The continuous lighting power supply device converts electric power input by the city power supply or the standby power supply according to the power supply specification needed by the control devices. The continuous lighting power supply device notifies each control device when the city power supply and the standby power supply carry out power supply switching. Each control device is respectively connected with one or more light source modules. When the control device determines that the city power supply switches to the standby power supply according to a notification, the control device controls the lighting of the light source modules which are connected with the control device according to the pre-stored lighting set parameters. The lighting source modules carry out corresponding lighting under the control of the control device which is connected with the lighting source modules. According to the invention, corresponding coping processing can be carried out according to an electric power source; the control flexibility of a lighting light source is improved; and the low cost of continuous lighting is ensured.
Owner:LUOYANG PINRUI ELECTRONICS

Hopper unchoking device

The invention relates to a hopper unchoking device. The hopper unchoking device comprises a photoelectric sensor, a control circuit and a blockage removal unit. The photoelectric sensor comprises at least one group of through beam photoelectric sensors including an optical transmitting sensor and an optical receiving sensor. The control circuit is used for judging whether a hopper is blocked or not according to optical signals received from the optical transmitting sensor by the optical receiving sensor so as to determine outputting control signals for starting or stopping the blockage removal unit. The blockage removal unit comprises a motor, at least one transmission chain, at least one pair of sprockets, at least one operation chain and a plurality of scrape plates, wherein the at least one pair of sprockets are mounted at the top and the bottom of the inner side wall of the hopper, the at least one operation chain surrounds the inside and the outside of the hopper and is mounted on the at least one pair of sprockets, the plurality of scrape plates are mounted on the at least one operation chain, an acute angle larger than 0 degree is formed between each scrape plate and the operation chain along the moving direction, and the operation chain in an operating state rotates in the hopper from top to bottom. The hopper unchoking device is capable of automatically detecting and removing blockage of the hopper without human intervention.
Owner:武汉钢铁有限公司
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