88 results about "White stripe" patented technology

An apparatus and method are provided to enable high speed printing of an image with high resolution while suppressing degradation of image quality due to white stripes and density variations. In an ink jet printing apparatus using a multi-pass printing system, the same scan print area is divided at a predetermined pitch and the printing duties of the divided areas determined by the thinning out mask pattern are set to different values. In regard to the same scan print area formed by a plurality of the main scans, the divided areas corresponding to the ends of the print head have their printing duties set smaller than those of the divided areas on the inner side of the ends of the print head.

Provided herein is an aqueous ink, which is excellent in both image density and fixing ability irrespective of the kind of a recording medium even when the volume of an ink droplet is small and has such excellent properties that white stripes are not caused even when high-speed recording is conducted. The aqueous ink comprises at least water, a water-soluble organic solvent, a water-insoluble coloring material, a surfactant and a poor medium for the water-insoluble coloring material and / or a salt. The dynamic surface tension of the aqueous ink at a lifetime of 50 milliseconds determined by a maximum bubble pressure method is higher than 47 mN / m, and the dynamic surface tension at a lifetime of 5,000 milliseconds determined by the maximum bubble pressure method is 38 mN / m or lower.

Items, including lost items or items out of place, can be located by attaching flickering LED's to them and moving about with a detector that registers the presence of the desired item or items by decoding the flickers. The flickers can substitute for, or augment, ordinary printed bar codes, and can use the same encoding so that the temporal pattern of flickering corresponds to the spatial pattern of black and white stripes in the printed bar code. The flickering items can be registered from a distance and from among a large group of other flickering items.

The invention discloses a diffusion and brightness enhancement film and a method for manufacturing the same. The diffusion and brightness enhancement film comprises a diffusion film and a brightness enhancement layer. The brightness enhancement layer is positioned on the diffusion film, the diffusion film comprises one or a plurality of diffusion layers, each diffusion layer comprises a resin base material and light diffusing agents uniformly dispersed in the resin base material, an absolute value of the difference between a refractive index of each light diffusing agent and a refractive index of each resin base material ranges from 0.01 to 0.4, and the brightness enhancement layer comprises a plurality of microstructures which are arranged according to a linear structure or a nonlinear structure. The diffusion and brightness enhancement film and the method have the advantages that the diffusion and brightness enhancement film is manufactured by a novel process, various toxic solvents are omitted, and shortcomings of white stripes, folding, scratching, poor thermal stability and the like of a finished product are overcome; the brightness enhancement layer is compounded on the surface of the corresponding diffusion layer, and working procedures are simple; after the multifunctional optical film is applied to a backlight module, the service quantity of diaphragms can be reduced, and shortcomings of interference, scattering, absorption and the like when various diaphragms are used simultaneously can be overcome; the manufacturing cost of the diffusion and brightness enhancement film is reduced, and the quality of the diffusion and brightness enhancement film is improved.

An optical writing unit is capable of producing a high-quality image in which the formation of white stripes and black stripes, due to uneven intervals between light emitting devices, is suppressed. The unevenness, often occurring at the junction part of two-light emitting diode array chips, is compensated for by increasing or decreasing the light volume of light emitting devices that are located on and near the edge of a light emitting device array chip, such that a property value concerning an exposure intensity distribution falls within a predetermined range for an effective image domain in its entirety.

An image forming method comprises a step of reacting an ink containing a coloring material with a liquid composition containing fine particles reactive to the coloring material on a recording medium, where the reaction between the coloring material and the fine particles occurs in a liquid, the coloring material is adsorbed on the surfaces of the fine particles while keeping the monomolecular state as in the ink, and the fine particles having the coloring material on the surface aggregate each other. This method can provide images of high optical density and high color saturation, with less occurrence of white stripes in the image.

The present invention discloses process of producing fancy yarn stripe cloth in tone-in-tone effect. The production process includes the first weaving of white stripe cloth with different cation modified yarns in different ratios and different styles, and the subsequent dyeing of the white stripe cloth. Through once dying, the white stripe cloth may be dyed into special tone-in-tone cloth, and thus produced fancy yarn stripe cloth in tone-in-tone effect is high grade material for making high grade underwear, T shirts, casual wear, etc.

When thinning processing is performed to reduce the occurrence of black stripe caused by an overlap between scanning areas that is designed to prevent an end deviation from causing a white stripe, dots printed in a predetermined region by not only an ejection opening array subjected to the thinning processing but also other ejection opening arrays are counted so as to obtain their respective printing duties. Then, a color gamut is obtained based on the printing duties of the respective ejection opening arrays. Then, a thinning rate of the ejection opening array subjected to thinning processing is obtained by referring to a table corresponding to the color gamut, based on the printing duties of the respective ejection opening arrays obtained as above, and the thinning processing is performed. Accordingly, thinning processing can be performed which accurately reflects an amount of actual end deviation.

The invention discloses a composite polyester yarn dyed knitted fabric. The composite polyester yarn dyed knitted fabric comprises the following ingredients in parts by weight: 3-12 parts of wool, 5-10 parts of polyamide fibre, 6-13 parts of ladder yarn, 7-15 parts of ginning velvet, 2-11 parts of polyester / cotton yarn, 4-9 parts of circle yarn, 5-16 parts of cire satine, 11-16 parts of spandex covered fibre, 9-18 parts of elastic fabric, 4-11 parts of white stripe, 5-18 parts of jean, 7-13 parts of cotton yarn, 5-15 parts of feather yarn and 4-14 parts of neckline yarn. The fabric disclosed by the invention is bright in color, beautiful, harmonious in color, closely thick in texture, clear in weavy grain, strong in wool sense, similar to the style of wool tweed, and mainly applied to making a man and woman jackets, suits, wind coats, underwaists, skirts, cotton-padded jackets, garments for children and the like.

Provided is an image processing apparatus and image processing method that are capable of outputting an image wherein seam lines caused by sudden conveyance error are difficult to notice even for a small number of multi passes printing. In order to achieve this, the number of dots that are printed in pixels is adjusted according to the density level so that the number of dots that are printed in pixels corresponding to boundary portions is larger than in pixels corresponding to areas that are not boundary portions, and so that the number of dots that are printed in pixels corresponding to boundary portions increases the higher the density level of the pixels is. As a result, it is possible to avoid the occurrence of white stripes in high-density areas without emphasizing black stripes in low-density areas.

The invention discloses a touch screen, a manufacturing method thereof and a display device. in a manufacturing process of the touch screen, after patterns of touch electrodes are formed on a light exiting side of a display panel by using a box technology, an organic transparent insulating layer of which the refractive index is similar to that of the touch electrodes is formed on a display panel with the patterns of the touch electrodes in a coating mode; because the refractive index of the organic transparent insulating layer is similar to that of the touch electrodes, the optical path difference of light in a region corresponding to the patterns of the touch electrode and a region without the patterns of the touch electrodes is small, the difference of the light transmissivity is small, and disapparate and white stripes of the touch screen can be avoided without the aid of disapparate glass; the organic transparent insulating layer is formed in the coating mode, and the problem that the touch screen is damaged by a high-temperature environment is solved; and moreover, the organic transparent insulating layer is formed after the touch electrodes are formed, and electrodeposition equipment for the touch electrodes is prevented from being polluted by the organic transparent insulating layer.

The invention discloses a method for carrying out image-text hiding according to an encrypted and converted phase position. The method includes the following steps: a Fresnel diffraction converting method is adopted to carry out encryption and conversion on an image-text to be hidden, so as to obtain a black-and-white stripe pattern namely a phase information pattern which is composed by the encrypted and converted phase position; on the basis of the phase information pattern, the image-text to be hidden is respectively hidden in an encoding card and a decoding card; when the encoding card and the decoding card are overlapped and aligned with each other, the hidden image-text can reappear. As the pattern of image-text information hidden in the cards is stripe-shaped, the overlapping and aligning operations of the encoding card and the decoding card can be easily realized when in reappearing; moreover, as different image-texts have different stripe shapes, the counterfeiting difficulty is enhanced and the anti-counterfeiting strength is enhanced as well. As the image-text information hidden on the decoding card or the encoding card presents the form of grating stripes of the phase information pattern, the effect of optical diffraction is achieved and the image-text hidden on the decoding card and the encoding card can reappear by laser. Anti-counterfeiting logos manufactured by the method for the two cards cannot be easily counterfeited, and the anti-counterfeiting strength is greatly enhanced.

The invention discloses a modulation transfer function MTF test chart card, a test method of an MTF and a test device of the MTF. The MTF test chart card comprises at least one first test color block,at least one second test color block, at least one pure black test color block and at least one pure white test color block; the first test color block comprises black stripes and white stripes in alternative distribution along a horizontal direction, and the number of the black stripes is equal to the number of the white stripes; the second test color block comprises the black stripes and the white stripes in alternative distribution along a vertical direction, and the number of the black stripes is equal to the number of the white stripes; and distance from a center of the pure black test color block to the center of the MTF test chart card is equal to the distance from the center of the pure white test color block to the center of the MTF test chart card. Apparently, according to the MTF test chart card, the test method and the test device provided by the invention, when brightness of a display screen varies, difference between variation of a gray value of the black stripes and variation of the gray value of the white stripes is approximately equal to the difference between variation of the gray value of the black color block and variation of the gray value of the white block and is smaller, thus, a MTF value cannot vary with variation of the brightness of the display screen.

The invention discloses a vehicle speed and position detection method and apparatus which are realized based on motion fuzzy image analysis. The method comprises the following steps: identifications arranged on a pavement are shot through an imaging unit installed outside a vehicle, wherein the height of the imaging unit and the included angle with the ground are known so that a complete identification image can be acquired; and the pavement identifications themselves are white round spots which are distributed site by side and have known diameters, when the vehicle moves, the imaging unit and the pavement identifications move relative to each other, due to quite short exposure time, shot identification images represent white stripes which are distributed side by side and have widths equal to the diameters of the round spots, the white stripes are combined with the dark-color pavement to form bar codes, and different white spot distribution form different bar codes, for storing different position information for a control unit to identify. Speed information of the speed is obtained by analyzing and calculating fuzzy states of the shot identification images through the control unit, and position information of the vehicle is obtained by identifying and analyzing the identification images storing the position information.

A printer that writes print data to the print buffer and runs the paper feed and printing process while receiving image data from a host computer desirably balances the speed of the paper feed and printing process and the speed of the conversion process to enable continuous printing so that white stripes do not appear in the printout. A print process run command and conversion format information specifying the conversion format for converting color block data in a print buffer 6 are temporarily stored. Based on the conversion format information stored in the receive buffer 4, whether the color block data can be transferred directly to the print buffer 6 and converted is determined (step S12). If direct transfer to the print buffer 6 is possible, the color block data sent after the conversion format information is directly transferred to the print buffer 6 without storing to the receive buffer 4, and the printing process is run according to the print process run command (step S16).

The disclosure provides a stereoscopic image display device, including: multiple display units, the multiple display units being arranged in rows and columns, a first black matrix being disposed between adjacent rows of display units, and a second black matrix being disposed between adjacent columns of display units. The stereoscopic image display device also includes a lens sheet disposed corresponding to the multiple display units, the lens sheet being formed by multiple lined up half-cylinder lenses, and, in an X-direction, a cycle length of the half-cylinder lenses in the lens sheet being a positive even multiple of a cycle length of the display units. In the display device, X coordinate values of the multiple display units do not repeat periodically within one cycle of the lens sheet. The stereoscopic image display device according to the disclosure can solve a problem of black and white stripes, thereby improving the display effect.

The invention relates to an adaptive illumination optimizing method adapting to a complicated illumination scene. The adaptive illumination optimizing method adapting to the complicated illumination scene comprises the following steps: establishing a projector-camera system; simulating a complicated illumination environment, selecting measured objects with different surface reflectance to preventoverexposure of an interference light source, and controlling a CCD camera by a computer to obtain an original object image; projecting reference stripes generated by the computer to an object througha projector, selecting black and white stripes of which the phase difference is between 0 and 2 pi as the reference stripes which can distort after the strips are deeply modulated by a three-dimensional object, and acquiring the distorted strips by a camera; recovering the height information of the object; carrying out inverse operation on the original object image, and projecting an inverse image to the surface of the object by a projector and keeping pixel matching; running an iterative algorithm until an iterative termination criterion is met to ensure that an overexposure portion is partially repaired; calibrating a camera response curve; and fitting a high-dynamic range image, namely a HDR image, according to the camera response curve, and obtaining and outputting a final result.

The invention discloses a resin composition. The resin composition comprises the following components by weight: (a) 40-90 parts of diamine modified bismaleimide resin containing a benzoxazine structure; (b) 10-30 parts of epoxy resin; and (c) 10-30 parts of cyanate ester. According to the invention, bismaleimide and diamine resin containing benzoxazine are subjected to pre-reaction at low temperature in priority, ring opening almost does not occur to benzoxazine at low temperature, a part of reaction groups are consumed through the pre-reaction, a prepolymer with certain molecular weight is formed, the steric hindrance of the benzoxazine ring-opening reaction is increased, the reaction rate of the benzoxazine structure in the resin structure is slowed down, the rheological reaction window of the resin composition is well adjusted, and the risk of dry pattern or white stripe defects occurring to the substrate during lamination of the resin composition is lowered.

The invention discloses a coloring method of a copper product with marble stripes having strong layering sense and high glossiness. The method comprises the following steps: (1) selecting a copper product with a colored surface, heating and dehumidifying; (2) uniformly spraying cupric nitrate solution with a spraying can on the surface of the copper product during heating until the surface of the copper product is blue; (3) further heating, and spraying ferric nitrate solution toward the surface of the copper product with the spraying can until the surface of the copper product is ochre; (4) further heating, and spraying toward the surface of the copper product with a spraying can filled with ferroferric oxide solution until the marble line is obtained on the surface of the copper product; (5) further heating, and spraying titanium dioxide solution uniformly can to the surface of the copper product by using the spraying until white stripe is presented on the surface of the copper product; and (6) further heat, spraying ferric nitrate solution toward the surface of the copper product for 3-4 times with the spraying can until yellow-white stripe is presented on the surface of the copper product. The method has the beneficial effect that the copper product colored by the method is coherent in color, rich and stable.

The invention relates to a lens defect detection device, comprising a camera, a lens, a display screen, a ring light source, a transparent flat plate, an electric displacement platform, an electric lifting platform and an electric slide rail, wherein the camera is connected with the lens and is fixed to the electric displacement platform and can move up and down with the electric displacement platform to adjust the size of a view field of the camera, and the camera is fixed directly below the lens for assisting multi-angle lighting to shoot a tested lens; the transparent flat plate is fixedlyconnected to the electric slide rail and is used for placing the tested lens, and the electric slide rail carries the transparent flat plate to move so as to come in and get out from the detection device; and the display screen is fixed on the electric lifting platform for projecting black and white stripes, is placed below the transparent flat plate, and is driven by the electric lifting platformto move up and down to project onto the tested lens.

The invention discloses a method, a device, and a system for testing glass performance. The method comprises the steps that a piece of to-be-tested glass is acquired, and is disposed between a black and white stripe background and a shooting device, and then the shooting device is used to shoot the black and white stripe background to acquire a testing picture; the whole to-be-tested glass is disposed in the shooting range of the shooting device; the testing picture is compared with a standard picture for analysis, and a comparison analysis result is acquired, and then the standard picture is the picture of the black and white stripe background shot by the shooting device before the arrangement of the to-be-tested glass; and according to the comparison analysis result, the performance of the to-be-tested glass is determined. The testing of the warp of the glasses of different sizes is realized.

The invention discloses an LED (Light Emitting Diode) lamp tracking method and system under a complex scene based on Kalman filtering. The system comprises an LED light emitting frequency control subsystem, a robot CMOS (Complementary Metal-Oxide-Semiconductor) camera subsystem, an image processing subsystem and a Kalman filter, wherein the LED light emitting frequency control subsystem, the robotCMOS camera subsystem, the image processing subsystem and the Kalman filter are connected in sequence; the LED light emitting frequency control subsystem is controlled by pulse sequences of differentfrequencies; the robot CMOS camera subsystem can capture an LED image with alternate black and white stripes; the image processing subsystem carries out filtering on an LED image, identifies the LEDand positions the position of the LED; the Kalman filter carries out prediction and measurement to obtain more accurate LED position information. According to the LED lamp tracking system, the Kalmanfiltering technology is applied to LED tracking, the tracking accuracy of the LED is improved, and in addition, the LED lamp tracking system has the advantages of high anti-noise anti-interference performance and wide application prospect.

The invention provides an imaging simulation method and system for detecting polaroid internal defects. A light source model, a polaroid model having the interior containing defects and a receiving screen model are constructed in optical simulation software; the light source model is a black and white stripe light source or a stripe light source formed by allowing light emitted from a point light source to pass through a grating, and the polaroid model is a thin lens model formed by combining multiple layers of transparent and isotropic polymer thin films and established with the interior having the transparent defects, so as to realize the simulation imaging system for detecting the polaroid internal defects; by adjusting various parameters of the imaging simulation system, various parameters of the system having a best defect imaging effect are found out, so that guidance is provided for design of the actual polaroid internal defect detection system, the blindness of the prior art during design of the detection system and performing of defect detection is overcome, and the polaroid internal transparent defect detection accuracy and speed can be effectively improved.

The invention relates to a method for measuring higher frequency vibration by utilizing a low-speed camera based on a fringe projection method. The method comprises the following steps: projecting generated black and white stripe images onto the surface of an object through a projector; setting camera sampling frequency and exposure time; adjusting camera exposure degree to enable black and whiteportions of the stripe images to be equal in width; measuring system parameters; selecting the striped portions in all of the obtained stripe images, and recovering height change of vibration object surface at each sampling moment through Fourier transform profilometry; drawing a height change curve, that is, a vibration trajectory, of the selected sampling points; and comparing height differencebetween the maximum value and the minimum value of the trajectory curve to obtain vibration amplitude data directly, and vibration frequency data being obtained by multiplying the number of sampled images required in the whole period by the exposure time.

The invention provides a screw pump cam type centering turnover plate anchor. A movable cam face is arranged on the upper portion of an upper center pipe, a centering device main body is installed atthe lower end of an upper joint in a sleeving mode, a plurality of strip-shaped holes are formed in the upper portion of the centering device main body, slips are arranged in the holes, the circular-arc-shaped lower end faces of the slips are in contact with the sliding cam face, the two ends of each slip are connected with spring bases correspondingly, a plurality of spring holes are formed in the centering device main body, and spacers are welded to the positions, at the upper ends of springs, of the centering device main body; and a plurality of strip-shaped grooves are evenly distributed in the circumferential direction of the lower portion of the centering device main body, turnover plates provided with ratchets are arranged in half number of the strip-shaped grooves, plate springs are arranged at the bottoms of the turnover plates, friction plates are arranged in the other half number of alternating strip-shaped grooves, and a plurality of springs are arranged on the lower face of each friction plate. The screw pump cam type centering turnover plate anchor has the beneficial effects that oil pipe severe bending caused by an oil pressing pipe is avoided, double anti-rotating protection is achieved, vibration is eliminated, and accumulated soil is prevented from affecting the spring performance.

The invention provides a spatial resolution test board for an electroluminescent defect detector. The spatial resolution test board capable of transmitting near-infrared light is characterized in that a plurality of detection square block groups are distributed on the spatial resolution test board, every detection square block group comprises a plurality of detection square blocks with different line-pair stripe widths, every detection square block comprises a plurality of black-white alternated line-pair stripes, the line-pair stripes in different detection square block groups are different in direction, the line-pair stripes in every detection square block group are the same in direction, and black-white stripe bodies in every line-pair stripe are the same in width. The invention further provides a spatial resolution test method for the electroluminescent defect detector. The spatial resolution test board and the spatial resolution test method are capable of detecting spatial resolution of the electroluminescent defect detector.