82 results about "Chromatic scale" patented technology

A system and method of instructing a user to read musical notation through interaction with a graphical user interface and an input instrument representative of a stringed instrument comprising a plurality of modes of instruction which progressively direct and alter characteristics of the user interface to more closely resemble standard musical notation. The graphical user interface includes a virtual fingerboard having linear arrays representing frequency ranges and note positions. The note positions and linear arrays may be coded indexed to a chromatic scale and may directly correspond to fingerboard positions on an input instrument. A game object is directed toward the virtual fingerboard in accordance with a music file is incorporated in the graphical user interface which contains data corresponding to notes in sequence that have a rhythmic pattern of arrangement coinciding with the virtual fingerboard. An evaluation of the user's performance is provided based on striking the input instrument.

A music teaching aid having a number of reference rings that are positioned so as to have independent rotatable movement on a base member. Depending on the shape of the base member, the reference rings are either substantially coaxial cylindrical sleeves or concentric rings. Each reference ring has an outside surface which is divided into segments each of which displays indicia representing a note of the chromatic scale and which is identifiable by a predetermined color coding system such that when segments of the reference rings are aligned in accordance with the predetermined color coding system, corresponding segments of each successive ring will represent the notes of a non-chromatic scale.

A system and method of instructing a user to read musical notation through interaction with a graphical user interface and an input instrument representative of a stringed instrument comprising a plurality of modes of instruction which progressively direct and alter characteristics of the user interface to more closely resemble standard musical notation. The graphical user interface includes a virtual fingerboard having linear arrays representing frequency ranges and note positions. The note positions and linear arrays may be coded indexed to a chromatic scale and may directly correspond to fingerboard positions on an input instrument. A game object is directed toward the virtual fingerboard in accordance with a music file is incorporated in the graphical user interface which contains data corresponding to notes in sequence that have a rhythmic pattern of arrangement coinciding with the virtual fingerboard. An evaluation of the user's performance is provided based on striking the input instrument.

A method and system of teaching and / or studying music theory and for aiding the practice of musical instruments according to the integration of the color spectrum with notes of the circle of fifths and rearrangement of those notes into the musical chromatic scale. This rearrangement is accomplished by rotating either set of notes (spaced at whole-tone intervals) in the circle of fifths by 180 degrees. The musical chromatic scale arrangement of colors is then applied to various instruments. Diagrams representing the various note / color patterns as they appear on the various color-coded instruments are also provided. Scale and / or chord charts or diagrams for various instruments are also provided. The inventive color code is also applied to tablature, as well as to inventive forms of music notation.

An apparatus and method for a note locator for stringed instruments and method of use. Note locator (10) comprises a flexible planar top and bottom surface wherein the top surface has note position indicators (60) of color and the bottom surface has an adhesive for placement beneath the strings of the instrument along the fingerboard without interfering with the normal operation of the instrument. The user learns correct finger placement by visually identifying colors with notes of the equitempered chromatic scale. Diatonic scale note position indicators (32, 36, 38, 42, 46, 50, and 52) are indicated with various distinct colors while other half step note position indicators (30, 34, 40, 44, and 48) are indicated with a color different from that of the diatonic scale note position indicators. Segmentation (70,72) is provided for dividing note locator (10) so that segments can be added or removed from the fingerboard if desired.

A color display apparatus is of the type wherein a unit pixel is constituted by at least three subpixels including first to third subpixels, and at each subpixel, a medium for changing an optical property depending on a voltage applied thereto is disposed. The color display apparatus includes means for applying a voltage, to each of the first to third subpixels, for changing the optical property of the medium within a brightness change range in which light passing through the medium is changed in brightness and a hue change range in which the light passing through the medium assumes chromatic color and a hue of the chromatic color is changed while including combinations of red and green, red and blue, and green and blue for the first to third subpixels, respectively.

An apparatus and method for a note locator for stringed instruments, as well as a method of use, is presented. The application of acoustic laws allows calculation of the location for note position indicators upon the note locator. These locations are presented in a visual format. Note locator (10) comprises a flexible planar top and bottom surface wherein the top surface has note position indicators (60) of color and the bottom surface has an adhesive so that it can be placed beneath the strings of the instrument along the fingerboard without interfering with the normal operation of the instrument. Fingerboard alignment indicators (16, 18) aid in correct placement of the note locator. The user learns correct finger placement for playing the instrument by visually identifying colors with the notes of the equitempered chromatic scale. Diatonic scale note position indicators (32, 36, 38, 42, 46, 50, and 52) are indicated with various distinct colors while other half step note position indicators (30, 34, 40, 44, and 48) are indicated with a color different from that of the diatonic scale note position indicators.

Generating a multispectral or hyperspectral image of an image source with an optical system having an adjustable, wavenumber-dependent point spread function, by collecting panchromatic images of the image source, each of which corresponds to a selected point spread function and includes a measured intensity data set corresponding to a range of wavelengths, transforming the panchromatic images into the spatial frequency domain by using a Fourier transform, solving a matrix equation at each spatial frequency, in which a vector of the transformed panchromatic images is equal to the product of a predetermined matrix of discrete weighting coefficients and a vector representing a wavenumber content of the image source at each spatial frequency, resulting in a determined wavenumber content of the image source in the spatial frequency domain, and inverse transforming the determined wavenumber content of the image source from the spatial frequency domain into the image domain, resulting in the multispectral or hyperspectral image.

A signal processing method for converting input color value information (Lab) represented in a uniform color space into a set of five output color levels of black, light black, and three chromatic colors (CMYKLk) is provided. A black output level (K) is determined based on the input color value information. Then, a light black output level (Lk) is determined based on the black output level and the input color value information. Output levels of the three chromatic colors (CMY) are also determined such that the determined output levels are colorimetrically consistent with the input color value information.

There is provided a color conversion method. The method includes: a black correction step of converting the first black corresponding to the first color data having a tone value of 0 to the second black corresponding to the second color data having a tone value of 0 so that when the first black corresponding to the first color data having a tone value other than 0 is converted to a value smaller than a quantization threshold of tone values 0 and 1 of the second color data, a conversion destination becomes greater than or equal to the quantization threshold; a recording agent limit quantity calculating step of setting an upper limit of the sum of tone values for each pixel of the second color data with respect to a predetermined print medium; and a chromatic color correcting step of converting the second chromatic color so that the second color data after conversion in the black correction step does not exceed the upper limit.

The method comprises: calculating the dynamical threshold fitting the image; selecting the first pixel group satisfying the dynamical threshold as the candidate reference white points; selecting one of the reference white points with higher brightness value as the reference white point; according to the chromatic value of multi colors of the reference white point and the maximum brightness value in the image, getting the gain of multi colors.

This invention relates to a method capable of performing labor- and time-saving calibration at high precision, and a printing apparatus to which this method is applied. According to the method, a plurality of patches which are based on achromatic (K) data and have different tone values, and a plurality of patches which are based on chromatic color (C, M, and Y) data and have different tone values are printed. These patches are measured separately for the chromatic and achromatic colors. Chromatic and achromatic color correction tables are separately created to execute calibration. Compared to calibrating C, M, Y, and K, the number of printing media, the coloring material, and the labor of the user can be reduced, and calibration can be performed at higher precision.

An image processing apparatus includes: a setting unit that sets a color index representing a category to which an achromatic color and at least one chromatic color that are included in image data belong; an adjustment unit that adjusts a color tone of the achromatic color belonging to the category that is indicated by the set color index in accordance with a hue of the chromatic color belonging to the category; and a generation unit that generates image data including the chromatic color belonging to the category and the achromatic color of which the color tone is adjusted by the adjustment unit.

The invention provides an all-solid state electrochomeric display (ECD) with high electrical conductivity, good electrochomeric effect and longer service life. The all-solid state ECD comprises a transparent organic or inorganic coating, an electrochomeric layer, a luminescent layer and a tri-chromatic layer which are arranged from outside to inside between two ITO (indium tin oxide) glass substrates and in electrical contact with a power source. Electrochomeric devices prepared by the method of the invention have the capability to change the transmittance of visible light and have the characteristics of large modulation range, short reaction time, energy conservation and environment friendliness. The electrochomeric layer of the invention is a composite material integrating the advantages of organic and inorganic materials. Therefore, the electrochomeric layer has the advantages of large modulation range, short reaction time and low response voltage, that is, low energy consumption. The invention has great application prospect in the field of display devices.

A method and apparatus for efficiently encoding images using a set of non-orthogonal basis functions, thereby allowing reduction of file size, shorter transmission time, and improved accuracy. The non-orthogonal basis functions include homogenous color basis functions, luminance-encoding basis functions that have luminance edges and chromatic basis functions that exhibit color opponency. Some of the basis functions are non-orthogonal with respect to each other. Using these basis functions, a source vector is calculated to provide a number of coefficients, each coefficient associated with one basis function. The source vector is compressed by selecting a subset of the calculated coefficients, thereby providing an encoded vector. Because the method is highly efficient, the image data is substantially represented by a small number of coefficients. In some embodiments, the non-orthogonal basis functions include two or more classes. A wavelet approach can also be utilized.

A method and apparatus for efficiently encoding images using a set of non-orthogonal basis functions, thereby allowing reduction of file size, shorter transmission time, and improved accuracy. The non-orthogonal basis functions include homogenous color basis functions, luminance-encoding basis functions that have luminance edges and chromatic basis functions that exhibit color opponency. Some of the basis functions are non-orthogonal with respect to each other. Using these basis functions, a source vector is calculated to provide a number of coefficients, each coefficient associated with one basis function. The source vector is compressed by selecting a subset of the calculated coefficients, thereby providing an encoded vector. Because the method is highly efficient, the image data is substantially represented by a small number of coefficients. In some embodiments, the non-orthogonal basis functions include two or more classes. A wavelet approach can also be utilized.

The invention relates to methods and systems for displays with chromatic correction with differing chromatic ranges. A method comprises carrying out a chromatic correction on the content of an image source, by means of at least one of a display of non-reference type with a non-reference chromatic range and a display of the reference type with a reference chromatic range. The above step includes reformatting (530) the content of the image source to give a reformatted image source content which has undergone a chromatic correction for display on displays of the non-reference type with a non-reference chromatic range. The above step also comprises generation (586) of metadata for mapping chromatic range which chromatically transforms the reformatted image content which has undergone a chromatic correction for display on displays of the reference type with a reference chromatic range. The source image content is only reformatted for display of the non-reference type with the non-referencechromatic range.

A musical instrument comprising buttons for playing notes is disclosed, wherein the buttons are arranged in an isomorphic layout consisting of rows and columns, characterized by means for choosing between a diatonic and a chromatic layout of the buttons and by means for choosing between different keys and scales. The buttons can be velocity and / or pressure sensitive, they can be backlit in different colors and they can have a dynamic note information thereon. When the layout is diatonic, the scales are arranged horizontally in rows, the rows being vertically spaced in relative fourths: when the layout is chromatic, the buttons corresponding to the scale notes of the selected key are lit in way different from the other keys.

An image processing apparatus includes a plurality of color conversion tables for color-separation-limited printing. Using a color conversion table for color-separation-limited printing, a piece of input color information corresponding to chromatic color within a specified applying hue range for a specified specific color is converted into a piece of output color information corresponding to color having hue of the specific color, and a piece of the input color information corresponding to color outside of the applying hue range is converted into a piece of the output color information corresponding to gray color. Each of the color conversion tables for color-separation-limited printing is configured such that color values corresponding to saturation and lightness of the output color information are reduced at least in gradation from a maximum saturation part to a low-lightness part.

A determining unit determines a color of a character. A color converting unit converts a chromatic color having a predetermined hue into the predetermined color and a chromatic color having a hue other than the predetermined hue and an achromatic color into a black color. A processing unit processes either one of a color character and a black character determined by the determining unit such that the color character having the chromatic color converted into the black color is relatively noticeable to the black character.

A method for teaching musical theory wherein each note of the chromatic scale is associated with one of three markings, preferably incorporating three distinct colors, making a repeating pattern up and down the musical scale. The preferred colors are silver, black, and gold. Some instruments are adapted to use with the system by marking playing positions on the instrument, such as keys or fingering positions, according to the marking system. Sheet music may also be adapted to embodiments of the method by indicating notes in the color associated with that note. Note recognition and musical theory, including chord structures, are taught using patterns of colors corresponding to different notes, chords, musical keys, etc.

The invention relates to a method for detecting female ovulation and pregnancy, and discloses a female ovulation and pregnancy detection method. The detection method comprises the following steps: by virtue of a detection unit (10), detecting a temperature value of urine which is just discharged out of a woman, a change value of female body temperature in an ovulatory period as well a luteinizing hormone concentration value and a human chorionic gonadotropin concentration value in urine which is discharged in the ovulatory period every day; collecting a picture of a piece of pregnancy test paper by virtue of the detection unit (10), conducting color recognition on the picture, and finally, calculating a chromatic value of the color; saving the urine temperature value, the body temperature value within the ovulatory period, the chromatic value on the pregnancy test paper, the luteinizing hormone concentration value and the human chorionic gonadotropin concentration value in a first memory; transmitting the saved data to a processor by virtue of the first memory, and comparing the new data with historical data so as to determine an ovulation time and a pregnancy situation. With the implementation of the detection method disclosed by the invention, the ovulatory period can be precisely detected, so that people can prepare for pregnancy conveniently; and meanwhile, the pregnancy situation of the woman can be accurately judged as well.

A musical instrument input device includes a frame having a latitudinal top surface and an array of equally sized and spaced apart keys mounted onto the latitudinal top surface. Each of the keys corresponds to a note on a chromatic scale and each of the keys is arranged in a plurality of rows and a plurality of columns. The keys in each row are arranged to correspond to a chromatic scale and the keys in any selected row are in a scalar transposition by a predetermined interval relative to each row adjacent to the selected row so that each key in a column corresponds to a note that is shifted from a note corresponding to an immediately adjacent key in the column by the predetermined interval. A note generator generates a sound corresponding to a note associated with a selected key when the selected key is activated.

The invention provides a chromatic car spraying method. The method comprises the following steps of: (a) manufacturing a formwork, wherein the edge of the formwork coincides with a boundary of colors to be sprayed; (b) locating the formwork on a car body and aligning the edge with the boundary of the colors to be sprayed; (c) marking the junction of the edge of the formwork and the car body; (d) taking down the formwork, determining a spraying boundary according to the mark and sticking masking paper to the car body parts which do not need to be sprayed; and (e) spraying the colors to be sprayed on the car body. The method has the following beneficial effects that: not only is the manufacturing cost of the formwork saved, but also the formwork can be reused, thus greatly saving the cost; the method is not only simple but also easy to operate; plenty of working hours are saved; the pattern uniformity among the same type of cars is improved; and the chromatic spraying quality can be improved by adopting the method compared with the existing methods.

The invention provides a dental color fitting and color inquiry system, which comprises a chromatic value input unit, a data storage unit, a color difference analysis unit and a searching output unit, wherein the chromatic value input unit is connected with the color difference analysis unit and is used for inputting the chromatic value of a natural tooth to be repaired into the color difference analysis unit; the data storage unit is used for storing chromatic values of various repairing materials; the color difference analysis unit is connected with the data storage unit, and is used for comparing the chromatic value of the natural tooth input by the chromatic value input unit with the chromatic values of the various repairing materials stored in the data storage unit to obtain a color difference value and transmitting the color difference value to the searching output unit; and the searching output unit is used for finding out a shade guide with the smallest color difference value from the selected repairing material by data searching. By adopting the dental color fitting and color inquiry system, the dental color fitting and color inquiry can be automatically and accurately carried out.

A quarter-wave film having a wide bandwidth is invented. A preferred device configuration includes a chromatic half-wave film adjacent to a twisted nematic liquid crystal (TN-LC) film. When a linear polarizer is attached to the side of chromatic half-wave film and the angles of all the optical components are properly set, the combination of chromatic half-wave film and TN-LC film behaves as a broadband quarter-wave film. Based on this idea, a broadband circular polarizer is invented if the linear polarizer, the chromatic half-wave film and the TN-LC film are combined together. In addition, this idea can also be applied to reflective liquid crystal display devices, which include a linear polarizer, a chromatic half-wave film, a TN-LC cell and a reflector.

A recording control device can adjust the recording density without causing color shifting when recording images using chromatic and achromatic inks. A host computer 2 is connected to a printer 3 that records on a recording medium using the four ink colors CMYK, and has a printer driver 10 that converts an image to be recorded to ink volume values using a lookup table for converting coordinate values of an input color model to ink volume values in a CMYK ink color model, and causes the printer 3 to record the image to be recorded according to this ink volume information. When the black dot recording density for parts that are printed on the recording medium using black and the color recording density of parts that are printed a chromatic color are set, the printer driver 10 generates a new lookup table based on these set density values and values in a lookup table, and causes the printer 3 to print based on the resulting new lookup table.

The invention relates to methods and systems for displays with chromatic correction having differing chromatic ranges. A method comprises carrying out (530) an initial chromatic correction on an image content source by means of a display of the reference type having a reference chromatic range to give a reformatted image content having undergone a chromatic correction for display on displays of the reference type with the reference chromatic range. The method further comprises determining (586) a first set of metadata defining a description of mapping a chromatic range for a chromatic range mapping of a display of the non-reference type with a non-reference chromatic range into the display of the reference type. The method further comprises carrying out (535) an ultimate chromatic correction by means of the display of the non-reference type and reformatted image content having undergone a chromatic correction to give a second set of metadata relating to displays of the non-reference type with the non-reference chromatic range. The method further comprises generating (566) a final set of metadata from the first set of metadata and the second set of metadata for an ultimate chromatic transformation which chromatically transforms the reformatted image content having undergone a chromatic correction for display on a display of the non-reference type for client use. The image source content is reformatted for client use only by displays of the reference type having the reference chromatic range.

A harmonica includes a comb with a plurality of cell sets each including alternately arranged first and second cells, a plurality of mouthpieces registered with the cell sets, a reed vibrating member having a plurality of reeds registered with the cells and configured to be vibrated by an air flow for producing a tone of either one of diatonic and chromatic scales, and a valve member with a plurality of valve units interposed between the mouthpieces and the cell sets and shiftable between diatonic and chromatic positions to block the air flow into the second and first cells, respectively, thereby allowing the player to play the notes of both diatonic and chromatic scales.