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1164 results about "Color mixing" patented technology

There are two types of color mixing: additive and subtractive. In both cases, mixing is typically described in terms of three colors and three secondary colors (colors made by mixing two of the three primary colors in equal amounts).

Line lamp color change control method and device, lamp and medium

The invention provides a line lamp color transformation control method and device, a lamp and a medium. The method comprises the following steps: acquiring ambient light intensity, color distribution, a user position and an action type in real time; a color mapping model trained by a neural network is utilized to convert the color parameters into color parameters; generating a color transformation instruction based on color mixing and a brightness compensation algorithm according to the color parameters; an instruction is sent to a driving circuit to control color conversion, and meanwhile, according to feedback of a temperature sensor in the line lamp, when the temperature exceeds a threshold value, the switching frequency and the brightness value are reduced, and a transition mode is changed; the normal temperature gradually recovers, and safety and effect are guaranteed. The color of the line lamp is accurately adjusted according to the environment and user behaviors, human eye perception is considered in a color mixing and brightness compensation algorithm, instructions are dynamically adjusted according to the temperature, the lamp is protected, sensors of the lamp are matched, control is achieved through a computer program, and the lighting experience is improved.
Owner:GUANGDONG CHIJIU LIGHTING CO LTD

Digital human rendering method based on Gaussian splashing and multi-scale characteristic field distillation

The invention discloses a digital human rendering method based on Gaussian splashing and multi-scale characteristic field distillation, and belongs to the field of three-dimensional human body digital reconstruction. According to the method, feature extraction is carried out through a Vision Transformer encoder, based on an SMPL model, through a cross-modal parameter estimation module and dynamic human body modeling of three-dimensional Gaussian splashing and semantic feature rendering, three-dimensional Gaussian is projected to a two-dimensional image plane to calculate a covariance matrix and color mixing, and after a rendered color image and an initial feature field image are output, a three-dimensional image is obtained. A student feature map is obtained through a convolution acceleration module, a teacher feature map is obtained after feature extraction is carried out through a two-dimensional basic model, the constructed model is trained, and optimization training is completed through comprehensive total loss function calculation; according to the method, the problems of fuzzy semantics, detail missing, low rendering efficiency and inaccurate human body-scene separation in the existing method are effectively solved, so that more efficient, fine and robust monocular or multi-view human body three-dimensional reconstruction is realized.
Owner:YUNNAN UNIV

Color mixing device for coating production

The utility model discloses a color mixing device for coating production, and relates to the field of color mixing devices. The color mixing device for paint production comprises a color mixing machine body, a paint bucket is arranged on the outer surface of the color mixing machine body, a supporting mechanism is arranged outside the color mixing machine body and comprises a supporting plate, the supporting plate is movably arranged on the front face of the color mixing machine body, and the supporting plate is used for supporting the color mixing bucket; the fixing plate is arranged outside the color mixer body and used for supporting the supporting plate, and the extending plate is arranged outside the supporting plate in a sliding mode and used for fixing the supporting plate. According to the color mixing device for paint production, the supporting plate is arranged, the transversely-placed supporting plate can support the color mixing barrel, meanwhile, the extending plate is used for fixing the transversely-placed position of the supporting plate, the shaking chamber can be shielded by vertically-placed supporting plate, the shaking chamber is prevented from being interfered by the outside, and therefore the two purposes of the supporting plate are achieved, and mutual interference and blocking are avoided.
Owner:HUIZHOU HONGGAO CHEM CO LTD

Lens for improved color mixing and beam control of an LED light source

A multi-color LED illumination device and specifically a lens comprising a cylindrical opening extending into the lens from a light entry region at which one or more LEDs are configured. A concave spherical surface extends across the entirety of the light exit region of the lens, and a TIR outer surface shaped as a CPC extends between the light entry region and the light exit region. There are various diffusion surfaces placed on the sidewall surface of the cylindrical opening, as well as its upper planar surface and, depending on whether glare control is not needed, the exit surface of the lens. Lunes can also be configured on the sidewall surfaces of the cylindrical opening and if lessening glare is needed, also on the TIR outer reflective surface. The combination of lunes, diffusion elements, and the overall configuration of the lens provides improved color mixing and output brightness.
Owner:LUTRON TECHNOLOGY COMPANY LLC

RGB light switching method and device, equipment and storage medium

The invention belongs to the technical field of music light effect, and discloses an RGB light switching method, device and equipment and a storage medium, and the method comprises the steps: creating a music following thread and an independent light effect thread, and initializing the light effect thread; the music following thread captures the music frequency point, obtains the energy value of the current music frequency point by using a difference algorithm, and sends the energy value of the current music frequency point and the total energy value to the light effect thread; and after the lamp effect thread receives the captured music frequency point, initializing the current timer and the lamp effect mode, switching according to the switching control signal, and playing the lamp effect by using the first timer according to the energy value of the current music frequency point. By implementing the method and the device, smooth switching of colors and brightness of all light can be realized, better use experience is brought to a user, and the problem that the user experience is reduced due to color jumping, color mixing, flickering, water flowing and the like when differentiated light effects are realized is solved.
Owner:SHENZHEN FENDA TECH CO LTD

Color calibration processing method and electronic equipment

The invention provides a color calibration processing method and electronic equipment. The method comprises the following steps: acquiring primary color information of light-emitting equipment; determining the theoretical brightness of each channel corresponding to the target color; determining the current duty ratio of each channel under the current junction temperature according to the current junction temperature, the reference junction temperature brightness of each channel and the theoretical brightness of each channel corresponding to the target color, and obtaining a color mixing output result; determining new reference junction temperature brightness of each channel and junction temperature offset of each channel; obtaining a new maximum brightness and a new current duty ratio of each channel under the current junction temperature, and lightening the light-emitting device again based on each new current duty ratio to obtain a new color mixing output result; and if the new color mixing output result meets the preset error range, taking the junction temperature offset of each channel as the calibration junction temperature offset of each channel of the light-emitting equipment, and taking the new reference junction temperature brightness of each channel as the calibration reference junction temperature brightness of each channel. And the color mixing precision of the light-emitting equipment in the whole working temperature range is improved.
Owner:NINGBO PREH JOYSON AUTOMOTIVE ELECTRONICS

Figure image optimization method based on green screen image matting

The invention relates to the field of image processing, and discloses a figure image optimization method based on green screen image matting, which is used for carrying out optimization processing on a figure image. The figure image optimization method based on green screen image matting comprises the steps of performing fractional order differential transformation and other processing on an input green screen figure image, constructing a continuous chromaticity representation space, generating a chromaticity gradient field and multi-resolution chromaticity representation, establishing a geometric topology constraint model according to chromaticity information, generating an initial transparency field, and performing collaborative optimization. Optimizing a boundary curve, generating an accurate boundary contour, establishing a color mixing model, realizing natural transition between a foreground and a background, generating an optimized image, performing subsequent processing such as material optical attribute analysis and the like, and finally outputting an image completely fused with a background environment. According to the method, the foreground can be accurately separated, the edge can be optimized, natural transition and material simulation can be realized, and finally a high-quality figure image which is seamlessly fused with the background and has a physical reality sense is generated.
Owner:SHANDONG YUNXIAOBING INFORMATION TECH CO LTD

Color 3D printing data processing method and device, equipment, medium and product

The invention discloses a color 3D printing data processing method and device, equipment, a medium and a product, and the method comprises the steps that according to color features in a color grid model M, a double-color material transition process color mixing model GMap corresponding to different colors is established; establishing a color voxel model A of the color mesh model for the given color mesh model M; according to the color voxel model A and the color grid model M, a color filling path and a conventional filling path in each slice layer are obtained through calculation; according to the established double-color wire transition process color mixing model GMap, color mixing path mapping processing of a color filling path and a conventional filling path in each layer is completed; and the mapped color filling paths in all the layers and the conventional filling paths are converted into a GCode printing instruction file, and single-nozzle double-color wire mixed color printing is completed. By means of the innovative color mixing model and voxelization treatment, high-quality color mixing printing of the single-nozzle 3D printer is achieved, and the printing precision and efficiency are improved.
Owner:ZHENGZHOU UNIV

Preparation process of composite reactive dye

The invention discloses a preparation process of a composite reactive dye, which comprises the following steps: mixing cyanuric chloride and meta-ester, pulping, carrying out primary condensation, adding 2, 4-diaminobenzene sodium sulfonate, carrying out secondary condensation, and carrying out diazotization to obtain a secondary condensed diazonium solution; the preparation method comprises the following steps: diazotizing p-aminobenzene sulfonic acid at low temperature, carrying out acidic coupling reaction on the diazotized p-aminobenzene sulfonic acid and H acid to obtain an acid coupling solution, adding N-ethyl-3-carbamoyl-4-methyl-6-hydroxy-2-pyridone dry powder, adjusting alkali, and dissolving; and adding a secondary diazonium solution into the dissolved clear solution, and carrying out alkaline coupling reaction to obtain an alkaline coupling solution, namely the composite reactive dye raw stock. According to the preparation process of the composite reactive dye, a compounding and color mixing procedure is omitted, the composite dye is synchronously prepared in a synthesis stage, and the primary pulp has the advantages of good solubility, high solid content, smooth material transmission, low spray drying energy consumption and the like; the product has good fastness, the proportion of yellow and blue can be adjusted in the synthesis stage, the color of the dye can be converted between light green and dark green, and the requirements of the downstream industry for various color matching of the product are met.
Owner:ZHEJIANG JINGGUANG IND

Method for layered color mixing printing of plane color content by using FDM printer based on multilayer color reverse solution algorithm

The invention discloses a method for carrying out layered color mixing printing on plane color content by using an FDM printer based on a multilayer color reverse solution algorithm, and belongs to the technical field of 3D printing, and the method comprises the following steps: step 1, carrying out vectorization conversion on color information of an input image to obtain a preprocessed image with a clear contour and pure color; and 2, building a multilayer color reverse solving system based on an improved Kubelka-Munk model, reversely and accurately calculating color values of all layers, and ensuring that the color of each layer strictly conforms to the actual color generation capability range of the consumable. And step 3, carrying out layer-by-layer printing on the layering result according to a specific thickness and sequence, and finally presenting the original picture color on the contact surface of the printed piece and the hot plate. The method has the advantages that patterns with richer colors can be presented on the surface layer of a printed piece, and the limitation that the color of a printing material is limited in presentation in FDM multi-color printing is improved; meanwhile, under the condition that the printing process and hardware iteration cost are not increased, richer color selection is achieved.
Owner:MAANSHAN YOUYUAN NETWORK TECHNOLOGY CO LTD

Multicolor injection molding automobile ornament

The utility model relates to a multicolor injection molding automobile ornament which comprises a framework layer, a first surface layer, a second surface layer and a boundary, the first surface layer is formed in a first area of the framework layer by a first thermoplastic elastic material, and the second surface layer is formed in a second area of the framework layer by a second thermoplastic elastic material. A boundary for distinguishing or isolating the first skin layer and the second skin layer is provided by a first thermoplastic elastic material or a second thermoplastic elastic material or a raised structure. According to the multi-color injection molding automobile ornament disclosed by the utility model, the boundary for distinguishing or isolating the first surface layer and the second surface layer is provided by the first thermoplastic elastic material or the convex structure, so that a clear boundary is formed, and the problems of color mixing and the like are avoided.
Owner:SHANGHAI YANFENG JINQIAO AUTOMOTIVE TRIM SYSTEMS CO LTD

Pixel arrangement structure and display panel

PendingCN119173095AEngineeringColor mixing
The invention relates to a pixel arrangement structure and a display panel. The pixel arrangement structure comprises a plurality of sub-pixels, wherein the plurality of sub-pixels comprise a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels; the light-emitting areas of at least part of the first sub-pixels surround the peripheries of at least part of the light-emitting areas of the third sub-pixels in a one-to-one correspondence manner; the light-emitting areas of at least part of the second sub-pixels surround the peripheries of at least part of the light-emitting areas of the third sub-pixels in a one-to-one correspondence manner; wherein the light-emitting areas of any two adjacent third sub-pixels are separated by means of the light-emitting areas of the first sub-pixels and / or the second sub-pixels surrounding the third sub-pixels, and the light-emitting areas of any two adjacent third sub-pixels are separated by means of the light-emitting areas of the first sub-pixels and / or the second sub-pixels surrounding the third sub-pixels. In this way, the space on the periphery of the third sub-pixel can be fully utilized, so that the aperture opening ratio is improved, and the display effect is improved. In addition, the light-emitting regions of any two adjacent third sub-pixels are separated by the light-emitting regions of the first sub-pixels and / or the second sub-pixels surrounding the third sub-pixels, so that the color mixing risk and the color cast are reduced, and the color edge is improved.
Owner:HEFEI VISIONOX TECH CO LTD

Color master barrel righting and positioning device and color mixing equipment

The utility model provides a color master barrel righting and positioning device and color matching equipment, and belongs to the technical field of batching equipment. The color master barrel righting and positioning device is applied to color mixing equipment and comprises a righting gripper assembly, a color master barrel righting and positioning assembly and a color master barrel righting and positioning assembly, the righting gripper assembly comprises a side wall and a gripper part fixed to the side wall, and a slope angle opening is formed in the end, away from the side wall, of the gripper part; the driving part is connected with the side wall and used for driving the side wall to stretch out and retract in the first direction, and when the side wall stretches out, the grabbing part abuts against a handle of a color master barrel located at the color master barrel in-place position on the color mixing equipment. And the color master barrel is straightened to a preset liquid outlet position under the limitation of a space formed by the slope angle opening. The color master barrel can be accurately straightened to the preset liquid outlet position under the condition that the stopping precision of the color master barrel is insufficient.
Owner:ZHENGZHOU SANHUA TECH & IND

Light-emitting substrate, preparation method thereof and light-emitting device

The embodiment of the invention provides a light-emitting substrate, a preparation method thereof and a light-emitting device, relates to the technical field of display, and is used for solving the problem of color mixing caused by a residual layer formed by a quantum dot light-emitting material. A light emitting substrate; comprising a substrate and a plurality of light-emitting devices; each of the plurality of light emitting devices includes a first electrode, a second electrode, and a light emitting pattern; the plurality of light-emitting devices include at least one first light-emitting device, each first light-emitting device including a first light-emitting pattern, and a first carrier transport layer and a first carrier injection layer disposed between the substrate and the first light-emitting pattern; materials of the first light-emitting pattern comprise a first cross-linked light-emitting material; the material of the first carrier transport layer comprises a first cross-linked carrier transport material; the material of the first carrier injection layer comprises a first cross-linked carrier injection material. The light-emitting substrate is used for the light-emitting device.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Automatic color mixing device with uniform shaking structure

The utility model discloses an automatic color mixing device with a shake-up structure, which relates to the technical field of automatic color mixing process of PVC (polyvinyl chloride) film, and comprises an integral base and a shake-up component, the outer wall of the top of the integral base is fixedly connected with a first sliding rail, and the outer wall of the sliding base is provided with a connecting bolt; and the shaking-up assembly used for shaking up is arranged on the outer wall of the top of the first sliding rail, the end of the top of the first driving motor is connected with a connecting rod, and a second driving motor is fixed in the color mixing barrel. According to the automatic color mixing device with the uniform shaking structure, the top end of a first driving motor rotates to drive a color mixing barrel to rotate, a connecting rod rotates to drive the color mixing barrel to rotate, a sliding base slides in a first sliding rail, and the color mixing barrel rotates to drive pigment in the color mixing barrel to be mixed and uniformly shaken; meanwhile, the top end of the second driving motor rotates to drive a uniform stirring rod to rotate, the uniform stirring rod rotates to stir the pigment in the color mixing barrel, mixing of the pigment is accelerated through double shaking, and the pigment mixing efficiency is improved.
Owner:KUNSHAN LIQIANG TRANSFER PRINTING CO LTD

Multifunctional palette clamp

The utility model discloses a multifunctional palette clamp, and belongs to the field of painting tools. The drawing board clamp mainly comprises a drawing board clamp body, a fixing clamp is arranged on the end face of one side of the drawing board clamp body, the fixing clamp is detachably connected with the drawing board clamp body through a connecting mechanism, and the first clamping side of the drawing board clamp body and the second clamping side of the fixing clamp are arranged in a staggered mode; the connecting mechanism comprises a sliding groove and a fixing sliding block which are matched with each other, the fixing sliding block is fixedly connected with the fixing clamp, and the sliding groove is formed in the drawing board clamp. The drawing board clamp is high in universality, the matched end faces of the drawing board clamp and the fixing clamp are inclined faces, so that a certain infolding angle is automatically formed after the drawing board clamp and the fixing clamp are combined, the drawing board clamp is more in line with the hand raising habit and the viewing angle observing habit of students during color mixing, and use is more convenient. The color matching paperboard fixing device is mainly used for fixing the color matching paperboard during drawing.
Owner:临沂高新区钦丽商贸中心

3D printing multifunctional nozzle switching device provided with color mixing system

The invention discloses a 3D printing multifunctional nozzle switching device equipped with a color mixing system. A material spraying part and a feeding part are arranged at the two ends of a multi-channel spray head respectively, a public channel communicating the feeding part with the material spraying part is formed in the multi-channel spray head, a plurality of nozzles are formed in the material spraying part, functional nozzles are connected to the nozzles, and the color mixing system is arranged on the multi-channel spray head. The feeding part is provided with a plurality of feeding ports, the feeding ports are connected with external material sources respectively, and different material sources enter the public channel through the feeding ports and are sprayed out through nozzles with different functions on the nozzles; the nozzle adjusting mechanism is installed at the end, close to the feeding part, of the multi-channel nozzle, and the output end of the nozzle adjusting mechanism is connected with the material spraying part and the feeding part and adjusts the communicating state of the nozzle, the feeding port and the public channel. A plurality of inlets and an outlet are formed in the multi-pigment mixing assembly, the multiple inlets are connected with external pigment sources respectively, the outlet is connected with a feeding port of the feeding part and provides a multi-color mixture for the multi-channel spray head, and printing is convenient, controllability is high, and later maintenance is convenient.
Owner:WUYI UNIV

Color mixing 3D printer capable of controlling material mixing proportion and color mixing regulation and control method

The invention relates to a color mixing 3D printer capable of controlling the material mixing proportion and a color mixing regulation and control method, and the color mixing 3D printer comprises two conveying parts which are arranged on a printing head and used for conveying particle consumables of different colors; the sleeve part is arranged on the printing head, the sleeve part is arranged on the periphery of the lower end of the conveying part, and the sleeve part is used for allowing consumables to pass through; the discharging spray head is communicated with the lower end of the sleeve part, and the discharging spray head is used for extruding consumables; the 3D printing device has the beneficial effects that a wire extrusion structure and a hot melting structure in an existing 3D printing technology are replaced by the conveying part, so that consumables cannot be interrupted in the extrusion and conveying process, the forming effect of a printed object is better, and the smooth degree of the printed object is guaranteed; and two regulation and control plates which are driven by the driving part to move are further arranged, and the angles of the two regulation and control plates can be changed in the sleeve part so as to divide the area of a passing area of the hot melting consumable in the sleeve part.
Owner:WUHU AISANDI ELECTRONICS TECH CO LTD

Compensation type color mixing system

A compensation type color mixing system comprises a light source, a light through hole formed in a main light path, three single-color annular light filters arranged on a light emitting light path in parallel at intervals and a driving device used for driving the light filters to rotate, and the three light filters are the C light filter, the M light filter and the Y light filter respectively. A light-transmitting area and a color area which are annularly arranged and connected end to end are arranged on the optical filter; the light source is characterized by further comprising at least one color complementing piece which is arranged on a light emitting path, has the same color type as the light filter and is arranged adjacent to the light filter in parallel at intervals; the shape, the size and the color area shape and the size of the light filter are the same as those of the color complementing piece, the linear gradual change direction of the color area of the light filter is opposite to the light emitting direction of the color complementing piece, and part of the color area of the color complementing piece is selectively and statically arranged on a main light path.
Owner:GUANGZHOU DASEN LIGHTING ELECTRONICS

A digital composite color matching method and system for cement-based materials

The present application relates to the technical field of color matching of cement-based materials, and specifically discloses a digital compound color matching method for cement-based materials, including: step 1 determining the saturated dosage of pigments, step 2 complex color data collection, 3 determining the ratio of pigment combinations, and step 4 optimizing the pigment dosage. At the same time, the present invention also discloses a digital compound color matching system for mud-based materials, including a complex color database module for acquiring and storing data correspondence tables measured according to the steps of determining the saturated dosage of pigments and complex color data collection; a pigment combination ratio module for performing regression operations based on each data correspondence table to obtain a regression equation; and, drawing an isovalue surface through the regression equation. The present invention realizes the non-polarized control of the color of cement-based materials by means of digital means, enriches the color of colored cement-based materials prepared by the pigment mixing method, and can realize the application of multiple colors and transition colors in colored cement-based materials without relying on a large number of repeated experiments.
Owner:CHONGQING UNIV

Method and device for mapping figure in image based on depth-of-field model

The invention relates to a method and device for mapping a figure in an image based on a depth-of-field model, and the method comprises the steps: inputting an original image containing the figure into the depth-of-field model, and obtaining a figure depth map of the original image; according to the figure depth map, constructing a figure 3D model, and obtaining three-dimensional coordinates of all vertexes in the figure 3D model; carrying out UV expansion on the figure 3D model to obtain UV coordinates of all vertexes mapped to a two-dimensional plane in the figure 3D model; loading the 2D map texture on the two-dimensional plane to obtain a pixel color value of a normalized coordinate of the 2D map texture; according to the pixel color value of the normalized coordinate of the original image, the pixel color value of the normalized coordinate of the 2D chartlet texture and a preset color mixing mode, calculating and outputting the pixel color value of the normalized coordinate of the original image after chartlet; wherein the normalized coordinates of the original image and the normalized coordinates of the 2D mapping texture conform to the mapping relation when all vertexes in the 3D figure model are mapped to a two-dimensional plane.
Owner:PIXEL HEMING TECHNOLOGY CO LTD

Ink color matching device of printer and use method thereof

The invention relates to the technical field of ink color mixing devices, and discloses an ink color mixing device of a printer and a using method thereof.The ink color mixing device comprises a mixing assembly, a stirring assembly used for stirring ink is arranged in the mixing assembly, and a connecting assembly used for assembling and supporting is arranged above the mixing assembly; a plurality of raw material assemblies used for material preparation are assembled on the stirring assembly, the mixing assembly comprises a mixing pipe, and a plurality of liquid inlet pipes are fixed to the outer surface of the lower portion of the mixing pipe at equal intervals in a penetrating mode. And flushing wastewater is discharged, so that mutual pollution among the ink is avoided, the problem that the residual ink during ink blending of an existing ink color blending device affects subsequent ink color blending is solved, and the accuracy during ink color blending is fully guaranteed.
Owner:SHENZHEN LIZHUO TECH CO LTD

Method for improving color distortion of fabric image by superimposing napping

The present application relates to the technical field of textile design, and particularly relates to a method for improving fabric image color distortion by superimposing and developing color of sanding, which comprises the following steps: (1) CMYK four-color yarn design; (2) jacquard CAD design; (3) weaving of grey fabric; (4) dyeing and finishing of the grey fabric; the dyeing and finishing of the grey fabric comprises sanding after light bleaching and fading treatment of the grey fabric. The present application adopts the design method of superimposing and developing color of color image fabric, the color developing mode of color mixing of jacquard CAD technology, and designs through the spinning form of colored weft yarn, jacquard CAD and dyeing and finishing, produces the effect of mutual color bleeding and color mixing of color materials of CMYK four-color yarn through fading treatment, and then carries out sanding treatment, so that the fine and dense fluff of the color yarn is superimposed with the effects of color transmission and improvement of complete covering, the color yarn is subjected to color transmission and superimposed color mixing again, the color is softer and more real by adopting the mode similar to the superimposition of four plates of CMYK color printing.
Owner:SHANDONG WEIQIAO TEXTILE TECHNOLOGY CO LTD +2

Night vision imaging system (NVIS) compatible lighting with an adjustable melanopic photopic ratio

A lighting system and assembly comprising a controller in operable communication with a light unit. The controller is configured to apply a lighting condition using the light unit for a target light color below an upper level of NVIS radiance while controlling a Melanopic-Photopic (M / P) ratio associated with the target light color, and also determine a color mixing for producing NVIS Green A light and NVIS white light for a plurality of levels of NVIS radiance which are less than a maximum NVIS radiance level for a set of M / P ratio values at an upper allowable limit and a set of M / P ratio values at a lower limit.
Owner:GOODRICH LIGHTING SYSTEMS INC

Color master barrel conveying device and color mixing equipment

The invention provides a color master barrel conveying device and color matching equipment, and belongs to the technical field of batching equipment. The device comprises a track; the sliding block part comprises a pulley assembly arranged on the rail in a sleeving mode, a color master barrel supporting top plate fixed to the upper top face of the pulley assembly and a color master barrel flange arranged on the color master barrel supporting top plate. The color master barrel is arranged on the upper top face of the color master barrel supporting top plate and comprises a barrel body and lugs arranged on the barrel body in a protruding mode, and the lugs are matched with the color master barrel blocking edges in a limiting mode in the direction perpendicular to the moving direction so that the color master barrel can move on the rail along with the sliding block parts. According to the color master barrel, the fit clearance between the fixing parts of the color master barrel can be eliminated, so that the injection precision of color master paint is improved.
Owner:ZHENGZHOU SANHUA TECH & IND

Color-mixing collecting optical unit with improved functionality

PCT designated stage expiredWO2025045738A1Non-electric lightingPoint-like light sourceMessage boardLight guide
The invention relates to a full color-mixing optical unit with commercially available RGB-LEDs, for pixels of variable message road signs and message boards and other applications. Proceeding from a known embodiment according to WO 2012 / 068603, a previously unknown freedom in the attainable light distribution, which allows for a more accurate adjustment of the light distribution to specifications and for improved mixing of the colors and which may develop novel applications, is disclosed by way of restricting the chips used in the light sources and the geometry of said chips and a modified light guide design. If the employed chips (R, G, B) are present in a linear dense arrangement and have the same size and emission characteristic, then color mixing is required in this linear direction only. The converging lens (7) has a focal point (Fh) on the exit surface (6) in this linear direction but more freedom of design in the transverse direction thereto.
Owner:OTTO ALEXANDER

Double-color automobile decorating part and forming mold and method thereof

The invention discloses a double-color automobile decorating part and a forming mold and method thereof, and relates to the technical field of automobile decorating part forming, the double-color automobile decorating part comprises a fixed mold, a movable mold, multiple mold core assemblies, a first mold cavity, a second mold cavity, a first injection molding hole and a second injection molding hole, the movable mold is arranged above the fixed mold, and the multiple mold core assemblies are installed at the top of the fixed mold; the first mold cavity is installed among the multiple mold core assemblies, the multiple second mold cavities are formed in the bottom of the movable mold, the first injection molding hole is formed in the middle of the movable mold, and the multiple second injection molding holes are formed in the top of the movable mold in an annular array mode. The arrangement mode that the fixed mold, the movable mold, the mold core assembly, the first mold cavity and the second mold cavity are matched is utilized, the mold core assembly adopts the multi-mold-core body layout, melt flow optimization is achieved through connecting holes, it is ensured that materials are evenly distributed during double-color injection molding, the sealing assembly adopts an electric telescopic rod to drive a sealing plate, and the sealing effect is good. And the runner is automatically closed or opened during injection molding color switching, so that color mixing is avoided, and melt leakage is prevented.
Owner:SUZHOU GUANGJIN AUTO ACCESSORIES CO LTD

Three-dimensional Gaussian point cloud rendering method based on graph pipeline

The invention discloses a three-dimensional Gaussian point cloud rendering method based on a graphic pipeline. According to the method, the calculation shader is used for point cloud preprocessing and attribute calculation, the graphic pipeline is used for hardware rasterization and color mixing, the characteristics of the GPU are utilized to the maximum extent, and the extremely high rendering speed is achieved while the universality is higher. The method comprises the following stages: 1, a point cloud preprocessing stage: calculating point cloud attributes and NDC coordinates, and removing view cones at the same time; 2, performing depth sorting; and 3, coloring the point cloud. And 4, a graph pipeline stage, including point cloud Gaussian splashing rasterization and color transparency mixing. Compared with original CUDA rendering, the method can be operated on any platform supporting the graphic pipeline in the environment of a NVIDIA display card which does not need to be operated, higher universality is achieved, meanwhile, rasterization of point cloud Gaussian splashing is conducted through the graphic pipeline, the rasterization and color mixing can be conducted through the graphic pipeline, hardware acceleration can be naturally used, and the method has the advantages of being high in practicability and easy to popularize. Therefore, the extremely high rendering speed is realized.
Owner:HANGZHOU DIANZI UNIV

Electronic device for video editing and operation method thereof

Disclosed is an electronic device comprising memory storing instructions, and at least one processor comprising processing circuitry. The instructions, when executed by the at least one processor individually and / or collectively, cause the electronic device to: acquire a first image; generate a first input frame to be blended with the first image, wherein each piece of pixel data of the first input frame includes RGB data and mask information indicating a blending method of each piece of pixel data; allocate, to the first input frame, a first alpha map including alpha values for each pixel for the first input frame; determine a blending method for frame color blending of the first input frame and the first image, based on the mask information; perform frame color blending on the first input frame and a second input frame of the first image, based on the determined blending method and the first alpha map; and output a second image generated by the frame color blending.
Owner:SAMSUNG ELECTRONICS CO LTD

Color mixing circuit, method and electronic device for light sources

A color mixing circuit for light sources comprising a power supply module, a first light source module, a second light source module, a first resistance module, a second resistance module, and a circuit gating module; the first light source module is respectively connected to the power supply module and the circuit gating module; the first light source module is further connected to the circuit gating module through the first resistance module; the second light source module is respectively connected with the power supply module and the circuit gating module; the second light source module is further connected to the circuit gating module through the second resistance module; the circuit gating module is also connected to the power supply module; the first light source module and the second light source module are configured to emit light.
Owner:SUNDOPT LED LIGHTING