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7626728 Method and apparatus for calcuating color differences on measured evaluation charts to evaluate color reproducibility considering image homogeneity  
Color reproducibility needs to be evaluated in consideration of the influence of homogeneity in page image. Hence, a first chart is formed from an image of a uniform density of a region to be...
7426033 Methods and apparatus for colorimetrically characterizing color deviation in color imaging devices  
Methods and apparatus are provided that print a set of similar color patches using a color output device, determine colorimetric values for each color patch, calculate a standard deviation value...
7268913 Display measuring method and profile generating method  
In order to stabilize a displayed color and to attenuate printing when measuring a color patch for preparing a color conversion profile, an accurate measurement is obtained by waiting for a certain...
7259852 Modified-color generation and display method and apparatus  
A modified-color generation and display method uses a computer graphic. The method includes measuring the spectral reflectance of an original color by using a spectrophotometer, obtaining a...
7145656 Computer-implemented method for matching paint  
The present invention is directed a computer-implemented method for determining a color matched repair paint formula, wherein color characteristics of a target color to be matched are identified,...
7057728 Color card, color book comprising the same, and color card with picture sample  
A color card showing at least three color samples is provided. Among the color samples, a light color sample expressing a light color tone occupies a larger space than samples expressing the other...
6995843 Method of simulating a clear-coat and color-matching articles  
A method of simulating a clear coat applied over a color coat for use in color-matching is described. The method comprising the steps of (a) providing a spray-out card having a first major surface...
6985230 Comparison sample for simulating the color of keratinous elements, and related methods  
A system comprising a plurality of comparison samples each having a reflectance spectrum and being configured to substantially simulate a color of a keratinous element having a reflectance system....
6940597 Method for obtaining an approximate standard color definition for a sample color  
A method for obtaining an approximate standard color definition for a sample color ( 2 ) without the need for standard conditions of illumination or observation. The method comprises using color...
6914613 Color selection method  
The present invention is directed to a color selection method, which includes the steps of selecting colors in accordance with identification criteria supplied, for example, by a vehicle...
6848904 Shade guide for evaluating the optical appearance of a dental restoration  
The shade guide ( 1 ) consists of a colored polymerized composite material for evaluating the optical appearance of a dental restoration. The shade guide has a wedge-like shape and the composite...
6793489 Automated tooth shade analysis and matching system  
A method of making a patient's dental prosthesis (e.g., a prosthesis tooth, crown, veneer, or bridge) by acquiring an image of the patient's teeth that contain black and white normalization...
6788412 Process and device for the optical marking of a target region of a color measuring device on a measurement surface  
A two dimensional color pattern which at each point has a definite and unique color value is reproduced on a measurement surface by way of a computer controlled display device for the optical...
6781694 Two-dimensional scale structures and method usable in an absolute position transducer  
An absolute 2D position-sensing device is usable to measure the relative position of two elements. A 2D absolute scale includes an integrated 2D absolute scale pattern extending over the 2D scale...
6734973 Method and apparatus for determining plant nutrient status  
A leaf color chart, calibration table and assessment chart and method for determining the nutrient status of a field crop such as rice. The leaf color chart has a palette of colored panels held...
6725772 System admixture compensation system and method  
A method provides reference profile density values for at least one color combination having a plurality of colors produced by a reference device using a reference colorant set, at least one...
6724480 Comparison sample for simulating an appearance of a keratinous element, and related methods  
A system comprising a plurality of comparison samples configured to substantially simulate the appearance of a keratinous element. Each comparison sample may be configured to substantially simulate...
6717674 Color chart, chart image data recording medium, profile producing apparatus, profile producing method, and profile producing program storage medium  
There is implemented a profile producing high in general-purpose properties. A first patch group consisting of patches of which colors are relatively near the saturated color is disposed in front...
6717673 Method of color-matching  
The present invention describes methods of color-matching paint formulations to target substrates.
6450327 Paper palette for art  
A paper palette for art used for mixing colors and other paints for art or arranging the point of a brush is formed by partially bundling plural pieces of paper. Each of the pieces of paper is...
6437863 Method and apparatus for detecting and measuring conditions affecting color  
A method and apparatus for determining the condition of a test subject based on color uses a color measuring instrument to detect change in a color factor indicative of a condition such as a...
6421125 Device and method for determining compatible colors  
A set of color gages for assisting in selecting harmonious color combinations in accordance with those found in nature and the method of using such gages. In nature all colors can be classified...
6362885 METHOD OF DETERMINING THE FORMULATING RATIO OF A METALLIC OR PEARLESCENT PIGMENT TO A COLORANT OR THE FORMULATING AMOUNT OF A METALLIC OR PEARLESCENT PIGMENT IN THE COMPUTER-AIDED COLOR MATCHING OF A METALLIC OR PEARLESCENT PAINT  
A method of determining the formulating ratio of metallic or pearlescent pigments to colorants for matching the color of a metallic or pearlescent coating to an target color wherein, the spectral...
6244863 Dental color comparator scope  
A dental comparator scope for comparing a dental shade to a natural tooth. The scope comprises an L-shape body which includes a sight applying to the tooth and a handle for holding the scope, and a...
6186946 Urinalysis stick for animals  
A urinalysis stick for animals comprising a chemical reaction agent at an end, a color sample showing the discoloration stage at a rear end, and a half cut portion or a half fold portion provided...
6112665 Method and computer generated swatch cards for matching colors  
A blank is provided for producing color swatches on a color printer or photocopier. A sheet adapted to be fed through the printer or photocopier contains a first set of perforations defining the...
6067504 Method for correctly identifying hair color  
Methods and apparatus for determining accurate hair color classificatinos and appropriate coloring agents to bring about a selected change of color include a table of hair color classifications, a...
5959736 Method and arrangement for determining the color-type of a test subject  
The invention concerns a method of determining the color-type of a test subject, wherein a selection is made on the basis of a mixed color according to the amount of primary color portions present...
5895836 Greyscale calibration method in digital printing  
The method of the invention allows adjustment of the Greyscale of a digital print in addition to adjusting the individual colors thereof, which have a tendency to vary as the respective inks are...
D388167 Blood loss estimator  
5639955 System for automated calibration of sensors  
A system for calibrating sensors used in analyzing agricultural solids which includes a calibration paddle possessing one or more calibration tiles for calibrating sensors used in analysis of...
5627076 Method for determination of glycols and polyglycols in drilling fluid filtrates  
An apparatus and method is presented for the determination of water soluble glycols and polyglycols (polyalkoxylates). The apparatus and method are particularly suited for the on-site quantitation...
5448502 Devices for judging image on the basis of gray world assumption, discriminating color chart, deducing light source and regulating color  
An image judging device provided with a sampling unit for obtaining image data suitable for judging quality of an image by sampling image signals obtained by color separation, a calculation unit...
5408535 Video test strip reader and method for evaluating test strips  
A video test strip reader uses a video imager or camera for viewing a viewing field containing reagent test strips each having test pads reacted with a specimen containing constituents of interest....
5402362 Method of utilize trial dyeings to improve color formulations  
For a given set of dyes, chosen to match a target (standard) color, by combining the a priori percent reflectance and concentration data of primary (calibration) dyeings with that of one or more...
5313824 Lubricating oil analysis method and kit  
An apparatus for analyzing lubricating oil is disclosed in the form of a test medium upon which an oil sample is placed, and comparative visual indicia which the user consults to provide a...
5313267 Method and instrument for selecting personal compatible colors  
Skin coloration categories are identified based upon blue and yellow undertones of the skin using a color measuring device, developing the Hunter b value, utilizing that value alone to determine...
5217744 Paint color testing method  
A kit and method for testing the color of paints to be applied to painted surfaces having primers or sealers thereon to determine if a paint color matches that of a painted surface. Preferably, the...
5182616 Color communication kits  
Kits which allow colors to be identified and thereby communicated by their unique chromatic and/or achromatic characteristics include a number of discrete color plaques. These color plaques are...
5177694 Computerized color matching  
A method of computerized color matching for articles where articles are photographed, using a still video camera, against a set of reference colors. The photographs are stored on a diskette (34)...
5123745 System for visually determining the hue and value of paint  
A system for visually determining the hue and value of a paint in transparent container by use of at least one label on said container having color bands that terminate in an edge of the label...
5064281 Method and apparatus for simplifying and improving consistency of color grading of gemstones  
A color grading scale comprises a plurality of individual cast resin chips, each representative of a single color, with the chips attached one to another to form a continuous array of color chips....
5009507 Method of evaluating meconium content of amniotic fluid  
A method of evaluating the maconium content or concentration of amniotic fluid makes uses of a meconium measurement color chart which accurately reproduces the color and transparency of amniotic...
4909632 Method for selecting personal compatible colors  
A method for the selection of proper colors for individual wearers depending upon the underlying color of the skin of the wearer and the intensity thereof. The method includes the steps of...
4904605 Method and apparatus for residential water test kit  
The present invention relates, generally, to an apparatus and method for water testing and, more particularly, to a simple dipstick type method for use in comparison with a color chart and...
4887906 Color match predictability system and method  
A color match predictability system having a color sample, a predictability guide with sections having varying degrees of halftones, a spectrophotometer, and a computer with input and output...
4797256 Registration device for blood test strips  
A ring-shaped registration device for receiving and holding an activated test strip having a reagent area adapted to receive a blood sample. The registration device is slidably received on the...
4731209 Method of making standard color models used for judging beef  
Colors of sections of several beef carcasses are measured and the colors are classified into a predetermined number of grades of tone. Colored silicon plastic sol is poured in a glass cell for each...
4717954 Method and apparatus using a conversion table based on pre-printed color charts for determining half-tone dot percents required to reproduce the color of a color specimen  
A method and apparatus for obtaining an accurate half-tone dot percent of each color separation where a color designated by a color specimen is to be reproduced by printing of ink of the colors,...
4715716 Rhombic-shaped scale device for use in judging discoloration, fading or staining  
A scale device for use in judging the amount of discoloration or fading, or for judging the amount of staining, of a sample after a test of the sample for light fastness of dyeing or resistance to...
Matches 1 - 50 out of 81 1 2 >