902 results about "Color printing" patented technology

A tandem color electrostatographic printer apparatus has five or more color printing stations or modules for applying respective color separation toner images to a receiver member to form a pentachrome color image in a single pass. A fuser station fuses the pentachrome color image. A clear toner overcoat is then applied to the fused pentachrome toner image and enhanced glossing of the image is provided by a belt glosser to improve color gamut.

A method and apparatus for color printing on a dark textile piece, the method including the steps of digitally applying a white ink layer directly onto a textile piece, optionally curing the white ink layer, and digitally printing a colored image on said ink layer.

In monochrome printing mode, a first correction value is set for correcting printing positional deviation between ink droplets printed during forward and reverse main scanning passes. In color printing mode, a second correction value is set for correcting printing positional deviation between ink droplets printed during forward and reverse main scanning passes. An adjustment value is determined for reducing printing positional deviation during forward and reverse main scanning passes. For this, in monochrome printing mode the first correction value is used as an adjustment value, and in color printing mode at least a second correction value is used to determine an adjustment value. Following this, the adjustment value is used to adjust printing positions during forward and reverse main scanning passes.

The invention discloses a three-dimensional (3D) printer, the 3D printer comprises an X-Y working platform, spray heads installed on the X-Y working platform, light-emitting diode (LED) ultraviolet (UV) light sources, moving supporting frames, a base, fixed supporting frames, a supporting platform and UV resin material-feeding units, wherein the fixed supporting frames and the supporting platform are installed on the base, and the spray heads are connected with the UV resin material-feeding units. Through use of the 3D printer, one-way single-layer printing and one-way multi-layer printing can be carried out, multi-material printing, color printing, coating printing and other effects can be realized, and the printing efficiency is improved by times compared with that of the traditional 3D printers.

A process for manufacturing three-dimensionally shaped polymeric sheets and laminates with color-matched digitally printed full color ink jet images. A flexible thermoformable polymeric baseweb is placed in an ink jet printer and a solvent-based (non-aqueous) digital printing ink is applied directly to the baseweb, in the absence of an ink receptive layer on the baseweb, to form a decorative pattern in multiple colors in a single pass through the printer. The finished product can be thermoformed or injection molded to a three-dimensional shape. A protective topcoat can be laminated to the digitally printed sheet prior to the thermoforming and/or injection molding step. A process for making color-matched products comprises producing a software-driven image of a pattern on a screen representing a standard color print pattern; evaluating and adjusting the standard displayed on the screen using software-driven image related adjustments for hue, contrast, lightness/darkness, etc.; producing a test print by applying a decorative pattern to the baseweb by a digital ink jet printer and making an optional software-driven image-related adjustment in the standard to color match the standard to the test print image; and when the adjusted standard image displayed on the screen is acceptable, passing an image-related output to the digital ink jet printer for printing a decorative print color-matched to the accepted onscreen standard.

The invented antifalse mark is different from general color printing label and traditional holographic mark on aluminum foil. The mark includes basal lamina, information layer, isolation layer, color printing layer, special type printing layer and not dried glue layer etc. Technical flow includes following procedures: designing, plate making, raw materials preparing, die pressing, color printing, special type printing, glue spreading, die cutting, parting cut and checking up pack. The invention possesses advantages of integrating multiple antifalse techniques, easy of recognition and convenient use.

A method for scheduling print jobs for a plurality of printers (40,42,44,46, 48, 50) includes, for each of a plurality of print jobs, determining a number of pages of a first print modality (such as black only printing) and of a second print modality (such as color printing) for the print job. A file header is determined, based on the number of pages of the first and second print modalities in the print job. The file header is associated with the print job and the print job transmitted, along with the file header, to a print job scheduler (10). The scheduler schedules a sequence for printing the plurality of print jobs by the plurality of printers, based on minimizing, for at least one of the plurality of printers, a number of periods of time during the sequence of printing where the at least one printer is in a non-operational mode; and/or maximizing continuous run time for at least one of the printers.

Methods and devices for forming, such as by printing, high quality, high throughput, ultraviolet curable gel ink images on flexible substrates for packaging applications are disclosed. The methods and devices have excellent image quality and do not require pinning of the ink during color printing or nitrogen inerting during curing.

The invention relates to a method and a device for three-dimensional color printing, wherein at least a first printing material with a first printing material color and at least another printing material with another printing material color is used to construct a printing object (7), wherein an arrangement of the printing materials in a surface region and a near surface interior region of the printing object (7) is determined based on a desired color reproduction of the printing object.

A technique for profiling a color printing device employs a modified Neugebauer color mixing model. The modeling technique makes use of a variable dot gain value and “n factor.” The variable dot gain adjustment value may vary according to the particular tristimulus channel under evaluation. In addition, the variable dot gain value may vary according to the particular Neugebauer primary over which a halftone dot is printed. Accordingly, the technique may rely on an array of different dot gain values and n factors that correspond to different combinations of color channels and overprint conditions. As a further feature, the techniques may rely on a dot gain formula that relates halftone dot variation, i.e., fringe thickness, to the size of the halftone dot. This relationship tends to produce a dot gain model that more closely resembles the actual dot gain behavior on a printing press.

There are provided an ink jet head unit which is capable of incorporating a large number of ink jet heads with ease and precision, and an ink jet printing apparatus incorporating the ink jet head unit. The ink jet head unit performs printing color printing by using a plurality of ink nozzle arrays each for use in printing one line, the plurality of ink nozzle arrays corresponding to a plurality of basic colors. A plurality of head groups are each formed by a plurality of ink jet heads, and have the plurality of ink nozzle arrays arranged therein such that the plurality of ink nozzle arrays are divided among the plurality of head groups. A plurality of sub-carriages have respective ones of the plurality of head groups mounted thereon. A unitizing carriage has the plurality of sub-carriages mounted thereon.

There is provided a thermal activator for a heat sensitive adhesive sheet capable of preventing or removing the heat sensitive adhesive and a product of denaturation of the heat sensitive adhesive from adhering to means for transporting the heat sensitive adhesive sheet and a printer apparatus utilizing the thermal activator. In a thermal activator for a heat sensitive adhesive sheet having at least heating means for activation (a thermal head 40 for thermal activation and a heating element H) for heating and activating a heat sensitive adhesive layer of a heat sensitive adhesive sheet (a heat sensitive adhesive label R) constituted of a printable surface (a thermal coat layer 501 and a color printing layer 502) and the heat sensitive adhesive layer (K) formed on one and another side of a base material (base paper 500) respectively and transport means (a platen roller 41 for thermal activation and the like) for transporting the heat sensitive adhesive sheet in a predetermined direction, there is provided anti-adhesion means (sheet materials 81 and 600 for cleaning) for preventing the heat sensitive adhesive or a product of denaturation of the heat sensitive adhesive from adhering to the transport means or removal means (a scraper 50, a rotary body 610 having a spiral groove or protrusion, a cylindrical rotary body 700 having a spiral blade, wires W, scraping tools 900 and 1100 in the form of a cutter blade, a transfer material 60, a cleaning roller 70, or the like) for removing the heat sensitive adhesive and the product of denaturation of the heat sensitive adhesive that have adhered to the transport means.

A color printing system which deposits colors on a separation by separation basis provides trapping to correct misregistration between printer output colors due to imperfect placement of the separation colors. The system includes a trapping calculation processor, determining trapping requirements based on visibility, measured in a color space in which equivalent color differences in human color perception are approximately equivalent values.

The invention provides a preparation method and a product of full-color carbon dots for multi-color fluorescent printing. Citric acid is used as a single carbon resource, a nitrogen-containing compound is added, and a solvothermal reaction is carried out for 6-8 hours for obtaining a full-color carbon dot mixture. The fine separation of blue, green, yellow and orange fluorescence carbon dots can be realized through the regulation and control of the volume ratio of methanol to dichloromethane by using a column chromatography method. The obtained carbon dots have excellent water solubility, light stability and luminosity, so that the obtained carbon dots can be used to prepare multi-color fluorescent ink, and multi-color printing is realized. The preparation process provided by the inventionis simple, the repeatability is strong, the reaction condition is mild, and the product has excellent stability and practicability.

A method and apparatus for processing image data representing a color separation or mono-color image includes processing the color separation image data or mono-color image data in accordance with first and second or more halftone screen processings at different screen angles and obtaining results of the processings and combining the results of the processings to generate composite image data of the first and second or more halftone screen processings. The resulting print of the composite image data forms relatively pleasing rosettes or diamond structures in the particular color.

The present invention relates to a cation hybrid sol and a firm for increasing clarity and firmness of textile printing, which belongs to the textile chemical industry field. The present invention is characterized in that solvent, cation compound, precursors and deionized water are added into a reaction vessel in turn, after being agitated and evenly mixed, catalyst is added into the mixture, and agitated under room temperature and cation hybrid sol is obtained. After diluting the cation hybrid sol and deionized water as per specified ratio, a textile is padded and finished in the sol, and the finished textile is dried. The present invention can improve the anti-bleeding performance of the ink color printing of the textile; and clarity, depth and vividness of color of the ink color printing products are increased; paint/pigment on the textile can be fixed, meanwhile, the combined effect of the cation hybrid sol and paint/pigment make aggregation for fixation of the paint/pigment, and color firmness of the textile color printing is increased.

The invention relates to a detection control method used in printing color, and aims to overcome the disadvantage that the prior printing reproduction effect detection method has limited analysis and measuring capabilities. The detection control method comprises the following steps: firstly, adopting CCD industrial color camera collection equipment to obtain a presswork color information RGB value; secondly, converting the RGB value into an Lab value corresponding to a CIELab space, and adopting a least square support vector machine method to realize transformation modeling from an Lab space to a CYMK space; converting the Lab value of a to-be-detected sample into a CYMK value of the CYMK space by a trained model to obtain the ink value of a corresponding ink area of a color presswork; and finally, comparing the ink amount value with a standard value to obtain an adjustment amount of the ink amount in the corresponding ink area. The detection control method not only measures color characteristics accurately, but also directs the adjustment in the amount of yellow, fuchsine, cyan and black ink during the printing, thereby solving the problem of effective and realizable monitoring of color reproduction effect in the color printing field.

The invention relates to a nozzle device of a 3D (Three-dimensional) printer, aiming at solving the problem of the existing 3D printer under the FDM (Frequency Division Multiplexing) technology that color printing cannot be carried out. The nozzle device is characterized by comprising a housing; a three-color chamber, a mixing chamber and a nozzle are arranged in the housing from top to bottom in sequence; the three-color chamber is composed of three independent chambers which are separated from each other; and a plastic wire with one of three primary colors passes through each of the chambers; and a transmission device, a heating device and an electric valve are arranged in each of the chambers. According to the nozzle device of the 3D printer, the plastic wires can be fused before being sprayed out from the nozzle, so that the true 3D color printing is realized; in addition, the 3D color printing only needs one nozzle; and the nozzle device is low in price and convenient to popularize.

A color printing paper includes a substrate having a printing region and a plurality of photonic crystal patterns formed on the printing region. The plurality of photonic crystal layer patterns have different respective optical reflection characteristics. The printing method includes selecting pixels including a plurality of photonic crystal layer patterns that express at least one of a red color, a green color, and a blue color, and changing optical reflection characteristics of at least a portion of the plurality of photonic crystal layer patterns of the selected pixels.

Disclosed herein is a method and apparatus for moiré-free enhanced color halftone printing of color image separations for an arbitrary number of colorants. The method and apparatus utilizes a plurality of halftone screens, >4, to produce outputs that are moiré free and form hexagonal periodic rosettes. The relatively large number of screens can be used for enhanced printing applications, such as printing with high-fidelity colorants, light colorants, or special colorants, such as white, metallics and fluorescents. The method and apparatus provide for defining rosette fundamental frequency vectors V_R1, V_R2 that satisfy a length and sum requirement to meet visual acceptability standards according to |V_R1|>f_min, |V_R2|>f_min, and |V_R1±V_R2|>f_min; defining N halftone screens for colorants i=1, N, respectively possessing first and second frequency vectors (V_i1, V_i2), where no two screens possess identical fundamental frequency vector pairs; and selecting fundamental frequency vectors for the N halftone screens according to (V_i1, V_i2)=(m_i1V_R1+m_i2V_R2, n_i1V_R1+n_i2V_R2) for integer m's and n's, where at least one fundamental frequency vector or its conjugate must also satisfy one of the following: V_ik=V_R1, V_ik=V_R2, and |V_ik>2 max [|V_R1|, |V_R2|].

This invention discloses environmentally friendly UV-curing tin plate ink, which comprises: acrylic acid prepolymer 50-70 wt.%, acrylic acid monomer 10-15 wt.%, initiator 5-10 wt.%, pigment 10-25 wt.%, dispersant and other additives 5-10 wt.%. The UV-curing tin plate ink is a color printing ink used on metal and cured by UV. The UV-curing tin plate ink has such advantages as low energy consumption, rapid curing, no VOC discharge, high efficiency, high safety and no pollution.

The invention provides a variable color fragrance bead for tobacco and a preparation method of the fragrance bead. The fragrance bead is prepared by the following steps: firstly solid mixed powder material is placed in a centrifugal coating granulator, and an adhesive solution is sprinkled as a slurry material, the powder material is rotated in the centrifuge and forms mother cores, then the mother cores are still placed in the centrifugal coating granulator, a variable color fragrance adhesive solution is sprinkled as a slurry material, the solid mixed powder material is added during the process of sprinkling, enlargement and preparation of granules is continued and the granule size increases, and the granules form variable color fragrance beads for tobacco. The solid powder material is formed by evenly mixing natural plant powder, starch, chitosan and microcrystalline cellulose. The variable color fragrance adhesive solution is formed by mixing adhesives, pigments, essence, variable color printing ink and water. The method can provide tobacco with fragrance which can improve the smoking quality, and a customer can see color change of the beads directly during smoking, so that the customer can have both vision and taste experience.

The invention relates to a three-dimensional printer. The three-dimensional printer comprises a rack, a material supply device, a controller, a material replacer and a transmission wheel, wherein a printing head controlled by the controller is movably arranged on the rack, and comprises material supply wheels and a charging hole; the material replacer comprises more than two feeding units; each feeding unit comprises a feeding wheel; a line cutting knife controlled by the controller is arranged beside a discharging hole of each feeding unit; the material supply device supplies silk to the feeding units; the printing head can move in a three-dimensional space relative to the material replacer, so that the charging hole of the printing head is optionally butted with the discharging hole of any feeding unit in a separable manner; when the charging hole of the printing head is butted with the discharging hole of one of the feeding units, the material supply wheels are in transmission connection with the feeding wheels through the transmission wheel. According to the three-dimensional printer, in a printing process, silk can be conveniently replaced, and multi-color printing can be conveniently carried out, so that the trouble of manual material replacement is reduced, and the printing continuity is effectively guaranteed.

The invention discloses a signal synchronization tapping plate for an ink jet printer and a signal transmission method. The tapping plate is characterized in that one end is provided with a receiving port for receiving a detection signal, and the other end is provided with an output port connecting nozzle control boards for outputting a detection signal; the interior of the tapping plate is provided with an FPGA which divides the received detection signal into at least two detection signals with the same channel at the same time in a tapping manner; the output port transmits the detection signals with the same channel after tapping to at least two nozzle control boards in a synchronous and parallel manner, so as to control the nozzle to print. The tapping plate divides the detection signal into multi-channel signals in a tapping manner, and can be connected with the plurality of nozzle control boards at the same time, thereby controlling more nozzles to print. The different mode of arrangement of the nozzles can increase the printing width, printing speed and printing resolution or achieve the multi-color printing. Meanwhile, the nozzle control boards are used for receiving the signals synchronously, thereby avoiding printing lag of a certain nozzle caused by signal asynchronization, and protecting printing quality from being affected.

Systems and methods are described that facilitate using end-user feedback to automatically distinguish between a normal behavior and a device failure which can be a hard failure (e.g., a device malfunction) or a soft failure. For instance, upon detection of a usage switch from a first device to a second device by a user, a survey message is sent to the user to solicit information regarding the reasons for the switch. If the switch was triggered by a device malfunction, the detected device failure is verified and an alert is sent to an administrator and/or potentially impacted users. If the switch was triggered by the user's need for functionality (e.g., color printing, collation, etc.) not provided by the first device, which is otherwise functioning properly, then the detected failure is determined to be a failure and the failure detection algorithm is updated accordingly.

The invention relates to a color polyester cotton compound superfine fiber manufacturing process. The color polyester cotton compound superfine fiber manufacturing process is characterized in that the manufacturing process comprises the following steps: firstly, the raw material polyester fiber and the nylon are sliced; secondly, the sliced polyester fiber and the nylon are dried with a crystallization dryer; thirdly, coloring material particles are added to the crystallization dryer through a color printing machine to perform drying; fourthly, the dried polyester fiber slices, the nylon slices and the coloring material particles are melted with a screw rod extruding machine; fifthly, the melted body volume is controlled through a spinning finish measuring pump and a spinning measuring pump; sixthly, compound spinning is performed on a conjugated spinning machine; seventhly, after spinning, the fiber is rolled into a spinning cake through an automatic high speed winding machine; eighthly, the winded spinning cake is placed in a balancing chamber to be balanced; and ninthly, texturing is performed to the balanced spinning cake on a common texturing machine. Compared with the prior art, the process has the advantages that the coloring can be directly realized during the spinning process, the color fastness, the sunlight fastness and the thermal fastness are good, the gloss is even, and the color rendering property is good.

The invention discloses a single-motor double printer head 3D printer head mechanism and belongs to the field of printing devices. The purpose is to provide the single-motor double printer head 3D printer head mechanism which can perform bi-color printing through double printer heads driven by one motor. The motor is installed on a headstock, a driving gear is installed on a motor shaft of the motor and meshed with a left big gear and a right big gear, and a left gear shaft of the left big gear and a right gear shaft of the right big gear are fixed on the headstock; a triangular support is installed at the front end of the motor shaft, a left idle wheel and a right idle wheel are installed on the triangular support, a left clamping wheel is installed on the left big gear, a right clamping wheel is installed on the right big gear, and filaments pass through the space between the right idle wheel and the right clamping wheel and then enter throat tubes of the upper ends of the printer heads, and a support is installed between the bottom of the triangular support and the top of one printer head. The structure is compact and reasonable, operation is convenient and fast, people easily get the hang of the single-motor double printer head 3D printer head mechanism, the structure of one motor and the double printer heads is adopted, in other words, one motor is used for respectively controlling the two printer heads to work in a triangular support linkage mode, and therefore good conditions are created for the bi-color printing.

A method and apparatus is disclosed for color balancing page data, from a variety of input sources having non-consistent device color profiles, among a plurality of individually accessible print engines arranged in a system for color printing multiple copies of multiple page documents. Input page data is converted to a common color space, rasterized and routed to a selected print engine. Page data routed to each marking engine is color balanced to the selected marking engine where at least a portion of the color balancing occurs following the rasterizing of the page data.

The invention relates to a cold rolled tin-plated steel plate for multiple printing and painting and a manufacturing method thereof, and aims to solve the technical problems that in the prior art, the coating on the conventional cold rolled tin-plated steel plates for multiple printing and painting can be easily peeled off, the adhesive force between the coating and the steel plate is weak, and the color developing effect is bad after printing. The manufacturing method comprises the following steps: washing a hot-rolled hard tin-plated steel plate with a thickness of 1.8 to 2.3 mm by acid, performing continuous cold rolling, carrying out continuous annealing, flattening, electroplating tin on the steel plate, passivating the steel plate, and finally rolling the steel plate to obtain a finished product; wherein the cold rolling reduction ratio is 85 to 90%, the annealing temperature is 550 to 620 DEG C, the temperature is maintained for 60 to 120 seconds, the steel plate is flattened by two machines, the work roller of the first machine is an electro-discharge texturing roller with a Ra of 1.2 to 1.6 um, the rolling force is 500 to 700 t; the work roller of the second machine is a grinding roller with a Ra of 0.3 to 0.5 um, the rolling force is 250 to 350 t; the flattening elongation rate is 1 to 2%, and the passivation is carried out through an electrochemical method and a chemical method. The provided steel plate is mainly used to produce food/beverage cans, which have requirements on multi-color printing.

Provided is color printing technology capable of accommodating variation(s) in printer color space(s). User(s) may place test pattern printout(s) 336 and test pattern master sheet(s) 337 next to each other on platen(s) of image scanner(s) 338, and may cause image scanner(s) 338 to scan such printout(s) 336 and master sheet(s) 337 in a single image scanning run. Captured image data output from image scanner(s) 338 may be acquired by print server machine(s) 2 and may be uploaded to center server machine(s) 8. Center server machine(s) 8 is or are such that any difference(s) in color(s) between test pattern printout(s) 336 and master sheet(s) 337 is or are detected based on such uploaded captured image data; furthermore, based on results of such detection, new printer ICC profile(s) is or are created which represents or represent the current color space(s) of printer(s) 3A, 3B being investigated, and corresponding printer ICC profile(s) within printer ICC profile database 330 is or are updated