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37results about How to "Positioning influence" patented technology

Method and device for realizing content sharing

The invention discloses a method and a device for realizing content sharing, which belong to the field of Internet. The method for realizing the content sharing comprises the following steps of: receiving a shared access request which carries an identity identification of a transmitting sharer, the identity identification of a receiving sharer, and a content identification of a shared node; authenticating the receiving sharer according to the identity identification of the transmitting sharer, the identity identification of the receiving sharer and the content identification of the shared node; and after authenticating successfully, providing shared content for the receiving sharer according to the content identification of the shared node. The device comprises a receiving module, an authenticating module and a sharing providing module. The method and the device separate the management and the maintenance of content from the sharing relationship of the content, so that a user can maintain and manage the content without influencing on the sharing relationship of the content.
Owner:HUAWEI TECH CO LTD

Embedded type system and method for checking books being placed on shelf disorderly based on DSP

The invention discloses an embedded type system and method for checking books being placed on a shelf disorderly based on a DSP. The system for checking the books being placed on the shelf disorderly based on the DSP is composed of a data acquisition module, an image processing module, a wireless communication module and a checking module based on a library automation system ILASIII. According to the embedded type system and method for checking the books being placed on the shelf disorderly based on the DSP, books on the shelf in a library can be checked automatically, the structure of adopted hardware is simple, the code of software is small, and the system for checking books being placed on the shelf disorderly based on the DSP has the advantages of low power consumption, strong real-timeness, microminiaturization, low cost and the like. Further, the book checking and storing work in a modern large-circulating library can be finished quickly.
Owner:CENT SOUTH UNIV

Unmanned aerial vehicle autonomous tracking and positioning system and method based on network RTK

The invention discloses an unmanned aerial vehicle autonomous tracking and positioning system and method based on a network RTK. The system comprises an RTK base station and airborne processing equipment of an unmanned aerial vehicle. The RTK base station is used for obtaining network positioning information of a network RTK base station group through a 4G network, combining with the RTK satellitepositioning information of the RTK base station, calculating positioning calibration data of the unmanned aerial vehicle, and transmitting the positioning calibration data to the airborne processingequipment of the unmanned aerial vehicle; and the airborne processing equipment of the unmanned aerial vehicle is used for combining the RTK satellite positioning information of the unmanned aerial vehicle with the positioning calibration data from the RTK base station to calculate the precise position of the unmanned aerial vehicle and realize the precise positioning of the unmanned aerial vehicle. The differential correction data are calculated through the network positioning information of the RTK base station and the RTK satellite positioning information and transmitted to the unmanned aerial vehicle for positioning correction, the positioning accuracy of the unmanned aerial vehicle is improved. The system has the advantages of being high in anti-interference capacity and stable in operation.
Owner:成都优艾维智能科技有限责任公司 +1

Autonomous landing and charging method and system of full-automatic micro quadrotor

The invention belongs to the technical field of information processing and control, and discloses an autonomous landing and charging method and system of a full-automatic micro quadrotor. The autonomous landing and charging method of the full-automatic micro quadrotor comprises the following steps: electric quantity pre-warning of the micro quadrotor is carried out, and the micro quadrotor is made to fly to the position above a ground relay station through GPS positioning; a camera shoots the micro quadrotor for background subtraction, positioned catching and tracking of the micro quadrotor; and the micro quadrotor is combined with differential GPS information returned from the ground, the height of the micro quadrotor is read for 3D positioning, and autonomous landing of the micro quadrotor is guided. The method can automatically control taking-off and landing of the micro quadrotor to save the labor force; meanwhile, an opening / closing device and a frame can guarantee no damage of the micro quadrotor in special weathers; taking-off and landing of most traditional inland unmanned aerial vehicles are finished on the ground; and no fixed lifting opening / closing structures can guarantee preservation and stable taking-off of the unmanned aerial vehicles.
Owner:XIDIAN UNIV

Device for developing computer software

The invention discloses a device for developing computer software, including a workbench. The top end of the worktable is provided with a groove, a display screen and an operation moving plate are mounted inside the groove, the display screen is located on one side of the operation moving plate, and the display screen is rotatably connected with the inner wall of the groove through a rotating shaft. A seal plate is welded to the outer wall of the display screen on a side away from the operation moving plate, the sealing plate is clamped and connected with the groove, a driving rack is mountedon one side outer wall of the operation moving plate, the driving rack is meshed and connected with the display screen rotating shaft through a gear. The invention is provided with a cover plate, a spring and a connecting rack. When the device is used for reference, the integral operation moving plate can be retracted to the inside of the groove, and the groove is sealed by the cover plate, thereby avoiding dust accumulation of electric components on the operation moving plate, and effectively realizing the dust prevention effect of the device in a deployed state.
Owner:江门博义知识产权运营有限公司

Milling tool with self-compacting function

ActiveCN106975780ASimplify the steps of adjusting the structure and adjusting the toolThe structure of the cutter body is simpleMilling cuttersMilling cutter adjustmentsAgricultural engineeringAcute angle
The invention provides a milling tool with a self-compacting function. A blade position adjusting assembly comprises an adjusting wedge block and a drive bolt. The adjusting wedge block is located in an adjusting wedge block groove. The adjusting wedge block comprises a wedge block top face, a wedge block bottom face, a wedge block left face, a wedge block right face, a wedge block front face and a wedge block rear face. The wedge block top face is a wedge face. An acute angle alpha is formed between the wedge block right face and the wedge block bottom face. A strip-shaped groove is formed in the wedge block rear face. The groove penetrates the wedge block top face and the wedge block bottom face. The wedge block right face is provided with a first inclined face. An acute angle beta is formed between the first inclined face and the wedge block left face. The adjusting wedge block groove comprises a wedge block groove bottom face, a wedge block groove left face and a wedge block groove right face. The wedge block bottom face is in contact with the wedge block groove bottom face for positioning. The wedge block left face is in contact with the wedge block groove left face for positioning. The wedge block groove right face is provided with a second inclined face. The second inclined face is in contact with the first inclined face for positioning. An acute angle gamma is formed between the second inclined face and the wedge block groove left face. The acute angle beta and the acute angle gamma both shrink towards the front face of the wedge block, and gamma is smaller than or equal to beta. The milling tool is convenient to adjust and free of separately compacting the adjusting wedge block.
Owner:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD

Bank-note box tongue positioning method, apparatus, equipment and storage medium

The invention discloses a bank-note box tongue positioning method, apparatus, equipment and storage medium. The method includes acquiring the positioning instruction of a fan-shaped slice in the bank-note box; controlling the periodical rotation of the fan-shaped slice according to the positioning instruction, controlling the fan-shaped slice in the first period after the preset running time length to turn off a motor, acquiring the level state of a fan-shaped slice sensor after the fan-shaped slice maintains still in the first period, and acquiring the running time length of the current period according to the level state of the fan-shaped slice sensor after the fan-shaped slice maintains still in the previous period in the subsequent period; and if the level of the fan-shaped slice sensor in the current period is at a low level and the level of the fan-shaped slice sensor in the previous period is a high level, turning off the motor according to the running time length of the current period, wherein the tongue in the bank-note box reaches the target position. According to the invention, the tongue positioning is accurate to guarantee the normal work of the bank-note box.
Owner:SHENZHEN YIHUA COMP +2

Scissor arm assembly for a scissor lift of aerial work platform

The invention relates to a scissor arm assembly for a scissor lift, comprising two scissor arms (124, 125) pivotally mounted about a shaft (70). Each arm is made of a tubular beam having a local reinforcement plate (80, 81, 82) welded on either side. Each arm (124, 125) has two through-holes (101, 102; 103, 104) for the shaft (70), each of which is made in a respective side of the beam and the corresponding reinforcement plate. The shaft (70) is circumferentially supported in each hole by both the wall of the beam and the corresponding reinforcement plate (80, 81, 82). The shaft is free of support inside the beam between the two through-holes (101, 102; 103, 104). This avoids having to weld, on either side of the scissor beam, a part inserted therein to house the shaft (70).
Owner:HAULOTTE GROUP

Radio-frequency tag read-write equipment and positioning method and system

The embodiments of the invention provide a piece of radio-frequency tag read-write equipment and a positioning method and system. The data information of a radio-frequency identification tag is collected through the antennas on the radio-frequency tag read-write equipment. The shorter the distance of an antenna from the radio-frequency identification tag is, the larger the actual number of times that the antenna collects the data information of the radio-frequency identification tag is. Thus, the actual number of times that each antenna collects the data information of the radio-frequency identification tag in a preset sampling period is determined. A target antenna is determined from the antennas according to the actual number of collection times corresponding to each antenna, and the coverage area of the target antenna is the area where the radio-frequency identification tag is located. In the embodiment of the invention, the radio-frequency identification tag is not positioned directly according to the data information fed back by the radio-frequency identification tag, and the target antenna nearest to the radio-frequency identification tag is determined according to the actualnumber of times that each antenna collects the data information of the radio-frequency identification tag. Therefore, even if the data signal is broken, the positioning of the radio-frequency identification tag will not be affected.
Owner:北京腾文科技有限公司

Fixing device for positioning rat for intragastric administration operation

ActiveCN111714243AAvoid struggling to loosenRestricted activitiesAnimal fetteringSurgeryBiology
The invention discloses a fixing device for positioning a rat for intragastric administration operation. The fixing device comprises a transparent tube body, wherein one end of the tube body is an inlet end, the other end of the tube body is an operation end, slide rails are arranged on the outer wall of the operation end of the tube body in the radial direction of the tube body, a positioning seat is slidably arranged on the slide rails, a positioning groove allowing the head of the rat to go out is formed in the positioning seat, clamping arms are arranged on the end surface of the positioning groove in a swing manner, the two clamping arms are staggered and mutually hinged, and hoop sleeves for tightening the clamping arms are arranged at the ends, away from the positioning groove, of the two clamping arms in a sleeving manner, a rotating through groove is formed in the positioning groove, an abutting cam is rotationally arranged in the rotating through groove, and a binding mechanism for fixing the body of the rat is also arranged on the tube body. The fixing device is simple in structure, can effectively position the fat and facilitates intragastric administration operation.
Owner:THE SECOND HOSPITAL AFFILIATED TO WENZHOU MEDICAL COLLEGE

High-resolution real-time 3D marine ranch monitoring device capable of automatically sinking

The invention relates to the field of marine ranch monitoring and operation and maintenance management, in particular to a high-resolution real-time 3D marine ranch monitoring device capable of automatically sinking, which comprises a shipborne control system, a net cage, a sliding rail, a range gating laser imaging device and an automatic sinking system, and is characterized in that the range gating laser imaging device is slidably arranged in the net cage through the sliding rail; the range gating laser imaging device comprises a lighting unit and two solid-state camera units, the autonomous sinking system is arranged on the side opposite to the input ends of the solid-state camera units, and the output ends of the solid-state camera units are connected with the input end of the shipborne control system. According to the invention, real-time panoramic 3D monitoring of marine ranching devices in different water bodies with different depths can be realized, dynamic capture and analysis of fishes in the ranching net cage can be realized based on the range gating laser imaging device, and excellent data support is provided for efficient operation of the marine ranching.
Owner:HUANENG (GUANGDONG) ENERGY DEV CO LTD +2

Sound insulation noise lowering type glass drilling machine

The invention belongs to the technical field of glass drilling, and particularly relates to a sound insulation noise lowering type glass drilling machine. A drilling machine body is included. A drilling motor is arranged at the bottom of the drilling machine body. The output end of the drilling motor is provided with a matched drill bit. A drilling cover is arranged at the bottom of the drilling machine body. The drill bit penetrates through the middle portion of the drilling cover, an annular adjusting groove is formed in the bottom of the drilling cover, a matched sliding-connection telescopic cover is arranged in the adjusting groove, and the outer side wall of the bottom of the telescopic cover is provided with a plurality of fixedly-connected and evenly-distributed fixing plates. Fixedly-connected fixing rods are arranged at the bottoms of the fixing plates. Fixedly-connected second positioning suction cups are arranged at the bottoms of the fixing rods. A closed space is formed by the telescopic cover, the drilling cover and the glass surface, splashing of cooling liquid can be effectively prevented, and noise pollution during drilling can be effectively reduced.
Owner:ANHUI FENGYANG HUAIHE GLASS

Method for positioning failure point of memory

The invention provides a method for positioning a failure point of a memory, which comprises the following steps of: preliminarily positioning the failure point to obtain an initial position of the failure point; calibrating an area where the initial position of the failure point is located as a target area; removing the metal layer on the surface of the target area; and positioning the failure point again to obtain the final position of the failure point. The method for positioning the failure point of the memory is simple and feasible, and the positioning accuracy of the failure point is greatly improved.
Owner:YANGTZE MEMORY TECH CO LTD

A milling tool with self-pressing function

ActiveCN106975780BWith self-tightening functionSimple stepsMilling cuttersMilling cutter adjustmentsAcute angleAgricultural engineering
The invention provides a milling tool with a self-compacting function. A blade position adjusting assembly comprises an adjusting wedge block and a drive bolt. The adjusting wedge block is located in an adjusting wedge block groove. The adjusting wedge block comprises a wedge block top face, a wedge block bottom face, a wedge block left face, a wedge block right face, a wedge block front face and a wedge block rear face. The wedge block top face is a wedge face. An acute angle alpha is formed between the wedge block right face and the wedge block bottom face. A strip-shaped groove is formed in the wedge block rear face. The groove penetrates the wedge block top face and the wedge block bottom face. The wedge block right face is provided with a first inclined face. An acute angle beta is formed between the first inclined face and the wedge block left face. The adjusting wedge block groove comprises a wedge block groove bottom face, a wedge block groove left face and a wedge block groove right face. The wedge block bottom face is in contact with the wedge block groove bottom face for positioning. The wedge block left face is in contact with the wedge block groove left face for positioning. The wedge block groove right face is provided with a second inclined face. The second inclined face is in contact with the first inclined face for positioning. An acute angle gamma is formed between the second inclined face and the wedge block groove left face. The acute angle beta and the acute angle gamma both shrink towards the front face of the wedge block, and gamma is smaller than or equal to beta. The milling tool is convenient to adjust and free of separately compacting the adjusting wedge block.
Owner:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD

Glass curtain wall

The invention relates to the field of glass curtain walls, in particular to a glass curtain wall. The glass curtain wall comprises two keels, a placing mechanism is arranged between the two keels, a fixing mechanism is arranged inside the placing mechanism, a positioning mechanism is arranged inside the fixing mechanism, and a supporting mechanism is arranged inside the placing mechanism located on one side of the positioning mechanism. The glass curtain wall has the beneficial effects that when in use, a fixing frame is placed in a placement groove, a threaded rod is rotated, the threaded rodis in threaded connection with the threaded groove to fix the fixing frame, when the threaded rod moves, an installing plate can be driven to move, the installing plate drives the supporting plate tomove and release supporting of a supporting block, at the moment, under the suction force inside a vacuum cavity, a connecting rod is pulled to descend through a balloon, the connecting rod pulls thefixing block and anti-skid teeth to descend to be engaged with the threaded rod, then the threaded rod can be prevented from rotating at will, and thus random loosening caused by threaded fixing canbe avoided.
Owner:周玉环

Water environment pollution source detection method based on wireless sensor network

The invention belongs to the technical field of wireless sensor network technology, and particularly relates to a water environment pollution source detection method based on a wireless sensor network, which comprises the following steps: grouping water environment areas to be detected, distributing aggregation nodes, positioning sensor node distribution by using water environment pollution sources, and detecting the pollution source of the water environment based on the wireless sensor network. According to the method, the to-be-detected water environment areas are grouped, grouping positioning can be facilitated, multiple point pollution sources can be conveniently positioned at the same time through multi-group positioning, and therefore it is avoided that positioning of the point pollution sources is affected by the point pollution sources existing at the same time; according to the invention, the sink node and the sensor node are used for tracking the water environment pollution source, and then the data management software and the water environment pollution source detection software are used for pre-judging the moving trajectory of the line pollution source, so that search personnel can find the line pollution source in time.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S +1

A system and method for generating a UAV autonomous tracking path model

The invention discloses a system and method for generating an autonomous tracking path model of an unmanned aerial vehicle. The system includes: an unmanned aerial vehicle remote control, used for the pilot to perform remote control operations on the unmanned aerial vehicle, generate control data and transmit it to The UAV airborne system; the RTK base station, which obtains the network positioning information of the network RTK base station group, and combines it with the RTK satellite positioning information of the RTK base station to calculate the positioning and calibration data of the UAV; The data of the human-machine remote control controls the flight of the drone, combines the RTK satellite positioning information of the drone with the positioning calibration data from the RTK base station, calculates the precise position of the drone, and sends it to the ground station; the ground station, According to the precise location information sent by the UAV airborne system, the key point coordinates of the UAV flight are screened, and the UAV autonomous tracking path model is generated. The invention is beneficial to generate an accurate autonomous tracking path model of the unmanned aerial vehicle, and brings great convenience to the autonomous inspection of the unmanned aerial vehicle.
Owner:成都优艾维智能科技有限责任公司

A method of improving sealing performance of butterfly valve and structure of high-sealing butterfly valve

ActiveCN107387780BImprove sealingImprove shaft end sealing performanceSpindle sealingsLift valveEngineeringButterfly valve
The invention discloses a method for improving the sealing performance of a butterfly valve and a high-sealing butterfly valve structure. Two symmetrically-arranged butterfly valve sealing devices are arranged between a valve seat and a valve body and are in sealing fit with a valve clack. A shaft sealing device is arranged on the valve body, and the shaft sealing device and a valve rod achieve sealing. The structure comprises the valve body. The valve seat and a valve cover are arranged on the outer side of the valve body, the valve rod and the valve clack are arranged in the valve body, and the shaft sealing device is arranged at the upper end of the valve body. Two sets of symmetrically-arranged valve clack sealing devices are arranged between the valve seat and the valve body. Each valve clack sealing device comprises a first sealing ring, a valve seat middle partition plate, a second sealing ring and a valve seat cover plate. A splitter plate is annularly arranged in each valve seat middle partition plate. A first sealing cavity is formed between each splitter plate and the valve cover and corresponds to the corresponding first sealing ring. A second sealing cavity is formed between each splitter plate and the valve body and corresponds to the corresponding second sealing ring. The method and the structure have the beneficial effect of being capable of improving the sealing performance of the butterfly valve.
Owner:ZHEJIANG WEI KENTE PUMP
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