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18 results about "Black line" patented technology

3D grating UV high-precision alignment printing method and printer

PendingCN122299922AGratingOptical interaction
This invention discloses a 3D grating UV high-precision alignment printing method and printer, belonging to the field of UV printing. The method includes: S100, using a grating ruler with quartz glass as the substrate and an optical positioning accuracy of 0.1μm as the core positioning element in the UV printer; S200, placing the transparent grating image core on the printing platform, and converting the grating cylinder into a black and white line pattern recognizable by machine vision through the optical interaction between the grating ruler and the transparent grating image core; S300, activating the machine vision recognition system to capture the black and white line pattern, identifying and positioning each transparent grating cylinder; S400, the vision system detects the direction of the black and white line pattern to determine the tilt, identifies the positions of the black lines at both ends of the same cylinder, calculates the tilt angle, and automatically corrects it by the motion control system; S500, controlling the printing carriage to move along the correction path to perform UV curing and precise alignment printing of the transparent grating image core. This invention can improve the machine vision recognition accuracy of the printer equipment and achieve a high degree of matching with the grating image core.
Owner:ZHUHAI ZHENXIANG PHOTOELECTRIC TECH CO LTD

Existing railway line measuring method based on unmanned aerial vehicle LiDAR

The invention relates to the technical field of railway measurement, and discloses an unmanned aerial vehicle LiDAR-based existing railway line measurement method, which comprises the following steps: S1, ground target layout: designing square hard white paper targets of which diagonal lines are black lines, and arranging the targets according to different heights on two sides of a railway in an open area along the railway, adopting a total station to actually measure the coordinate and elevation of the center of each target; and S2, unmanned aerial vehicle LiDAR flight: unmanned aerial vehicle LiDAR equipment adapting to the measurement precision requirement of the existing railway line is selected, and flight operation is executed in combination with a ground base station erection scheme. According to the method, coordinate conversion parameters are established through target arrangement and measured data of a total station, a point cloud processing flow is optimized in combination with intelligent algorithms such as a Ransac algorithm, 2D Hough transform and regional growth, the measurement effect that the plane coordinate precision is smaller than or equal to 5 cm and the elevation precision is smaller than or equal to 2 cm is finally achieved, the actual line type of the existing railway line is precisely restored, and the accuracy of the existing railway line is improved. And the high-precision requirements of maintenance, reconstruction, upgrading and the like are met.
Owner:HENAN POLYTECHNIC UNIV

Method for weakening extrusion surface black lines and welding lines to improve surface yield of aluminum profile

The invention discloses a method for weakening extrusion surface black lines and welding lines to improve the surface yield of an aluminum profile. The method comprises the following steps of aluminum ingot pretreatment, temperature control extrusion, die cavity welding strengthening and finished product aftertreatment. According to the method, through the synergistic effect of the whole process of aluminum ingot pretreatment, temperature control extrusion, die cavity welding strengthening and finished product aftertreatment, double weakening of the black line and the welding line is achieved, and the problems that the defects of the black line and the welding line on the extrusion surface of the aluminum profile are difficult to radically treat, the surface yield is low, and the production cost is high are solved; and high quality, high stability and low cost of aluminum profile extrusion production are realized.
Owner:ZHANGJIAGANG GULV METAL PROD CO LTD

Intelligent calibratable proximity switch

The application discloses a kind of intelligent calibratable proximity switches, including: calibrator and proximity switch, the proximity switch is provided with blue line, black line, brown line, three connecting lines, when calibrating, blue line is connected with the GND line of calibrator as power ground wire, brown line is connected with calibrator VCC as power positive pole, black line is proximity switch output line, without connection;The proximity switch includes: calibration signal receiving circuit, power supply circuit, MCU, temperature compensation circuit, output and protection circuit, LED display circuit, oscillation and integration circuit, realizes that electronic switch quantity sensor completes after glue production, through calibrator, electronic switch quantity sensor is recalibrated, also ensure the consistency of sensor factory.
Owner:DONGGUAN AIQINUO SENSOR TECH CO LTD

Method for eliminating black line in short-process production of magnetic yoke steel

PendingCN122322260AWork rollMaterials science
This invention belongs to the field of steel production technology and discloses a method for eliminating black lines during the coiling of magnetic yoke steel in short-process production, including: 1) control of the finishing mill work rolls, controlling the rolling amount of the work rolls to ≤1200 tons and the local high point of the strip to ≤12μm; 2) control of the unit coiling tension, controlling the unit coiling tension to 20~30N / mm. 2 3) Gradual control of winding tension, including the head threading tension stage, the coil tension stage, the tension reduction stage, and the tail tension stage; 4) Winding tension distribution control, controlling the tension distribution between the pinch rolls and the drum to be 25~35%; 5) Leveler unwinding process control, controlling the unwinding speed to be 30~50 m / min, the single-sided pressure of the work roll to be 15~23 kN; the initial value of the unwinding unit tension is 8~12 N / mm. 2 As the unwinding length increases, the change is 0.3~0.8 N / mm. 2 The rate of increase in m is increased to the target value of 20~22 N / mm. 2 This invention solves the problem of winding black wire in the short-process production of DCR600 magnetic yoke steel, and realizes the high-quality, high-stability large-scale production of magnetic yoke steel in a short process.
Owner:武汉钢铁有限公司

Granular examination finger sleeve

1. Name of the product in this design: Granular inspection finger sleeve. 2. Purpose of this design: For cavity inspection. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Other situations requiring explanation: In the front view, left view, rear view, and right view, the horizontal line at the connection between the fingertip semi-ellipse and the sleeve area is not a thread line or pattern line, but a construction line. Similarly, the inner black line in the bottom view is also a construction line, which only indicates the surface connection transition and does not have threads or patterns.
Owner:BEIJING SAFYU ALL THINGS TECH CO LTD

Lens for phototherapy shoe

ActiveCN309773564SHuman bodyOphthalmology
1. The name of the design product: the lens of phototherapy shoes. 2. The use of the design product: the overall product of the design is worn on the human foot to perform physiotherapy on the human body; the partial design is used to cover the lamp beads of the phototherapy shoes, protruding from the surface of the phototherapy shoes to protect the lamp beads, change the angle of light, and massage the human foot. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the red line in the figure represents the part to be protected, and the black line represents the part not to be protected.
Owner:KINREEN TECH (SHENZHEN) CO LTD

Young tree protection equipment

ActiveJP1827266SAnimal sciencePolypropylene mesh
This item is a cylindrical body made of a polypropylene mesh material, and is a cylindrical young tree protector that covers saplings and other young trees to prevent them from being eaten by wild animals. The black lines are for marking the points where the black lines intersect when driving stakes into the ground.
Owner:TOKOKOSEN CO LTD

Bottle (Rose Botanicals)

1. The name of the present design product: wine bottle (rose wine series). 2. The use of the present design product: packaging container of wine product. 3. The design points of the present design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. The design claimed contains color. 6. Design 1 is designated as the basic design. 7. Other circumstances that need to be explained: the part of the picture that is crossed out by black lines is not within the protection scope of the present application.
Owner:HAINAN GOLDEN WINE IND CO LTD

A production method for controlling black lines on the edges of cold-rolled galvanized steel sheets

The embodiment of the present application provides a production method for controlling the edge black line of a cold-rolled galvanized sheet, and the production line used in the production method comprises a heating furnace, a rough descaling device, a width setting press, and a rough rolling unit. The production method comprises the following steps: after a slab is heated by the heating furnace and descaled by the rough descaling device, the slab is sent to the width setting press to perform one-pass continuous side pressing in the full-length direction, so that the width of the slab is adjusted to the set blank width of the rough rolling unit, and the edges of the slab along the two side surfaces in the length direction are pressed into chamfers; the isosceles trapezoidal groove comprises a groove bottom surface, a groove opening, and an isosceles inclined surface, the width of the groove bottom surface is smaller than the width of the groove opening, the width of the groove bottom surface is 190 mm, the depth of the isosceles trapezoidal groove is 25 mm, the acute angle between the isosceles inclined surface and the groove bottom surface is 30 degrees, the isosceles inclined surface and the groove bottom surface are connected through a first round corner with a radius of 20 mm, and the isosceles inclined surface and the working side surface outside the groove opening are connected through a second round corner with a radius of 20 mm.
Owner:广西钢铁集团有限公司 +1

Home-School Communication Scenario Cards

ActiveCN309977614SPlaying cardEngineering
1. Name of this design product: Home-School Communication Scenario Cards. 2. Purpose of this design: Playing cards used in homes and schools to assist children's learning and growth. 3. The key design features of this product are the combination of pattern and color. 4. The image or photograph that best illustrates the design highlights: Component 1 main view. 5. The design for which protection is sought includes color. 6. This design is for a thin product, and the left, right, top, and bottom views of components 1-54 are omitted. 7. Other matters requiring explanation: The parts covered by black lines in the view represent the name of the designer and the name of the organization to which the designer belongs, and are not within the scope of protection of this design.
Owner:吴萍 +21

Puzzle Cards

1. Name of this design product: Puzzle Cards. 2. Purpose of this design: For use as a recreational game device. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the key design points: Design 1 combined state diagram. 5. The design for which protection is sought includes color. 6. Design 1 is designated as the basic design. 7. The rear view of Component 2-26 of Design 1 is the same as the rear view of Component 1 of Design 1, so the rear view of Component 2-26 of Design 1 is omitted; the rear view of Component 2-26 of Design 2 is the same as the rear view of Component 1 of Design 2, so the rear view of Component 2-26 of Design 2 is omitted; this design product is a thin product, so the left, right, top, and bottom views of Component 1-26 of Design 1 and Component 1-26 of Design 2 are omitted; the area inside each black line box in the usage state reference diagram 1-3 of Design 1 and the usage state reference diagram 1-2 of Design 2 is a single puzzle card placement area.
Owner:NINGBO YINZHOU WANLIAN SPORTS GOODS CO LTD

A barcode and its identification and positioning system

ActiveCN116227521BData displayEngineering
This invention provides a barcode and its recognition and positioning system, belonging to the field of near-to-medium range positioning technology. The barcode of this invention includes: a data display area and an image positioning area respectively set as a first rectangular plane and a second rectangular plane; the first and second rectangular planes are combined to form an overall plane, which in turn forms a cylindrical structure; the data display area includes multiple black and white lines of varying thicknesses, alternating between the black and white lines, with the alternation direction aligned with the axial direction of the cylindrical structure; the image positioning area includes multiple positioning rows; each positioning row includes multiple positioning elements spaced horizontally, each positioning element consisting of one or more black squares. The recognition and positioning system of this invention identifies and positions the barcode. This invention can quickly generate a durable and easily image-recognizable anchor point for other visual recognition systems to identify and transmit data.
Owner:GUANGZHOU JIUDING SOFTWARE CO LTD