• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The process described uses the following chromatic printing colors yellow, Magenta red, cyan blue, violet blue, green and orange-red and the achromatic printing color black, the color tables being printed on a printing support and two adjacent chromatic printing colors being combined with the achromatic printing color in each of the combinations Y/G/S. G/C/S. C/V/S. V/M/S. M/O/S et O/Y/S.
    公开号:SU1510714A3
    申请号:SU874202945
    申请日:1987-06-16
    公开日:1989-09-23
    发明作者:Кюпперс Харальд
    申请人:Харальд Кюпперс (DE)；
    IPC主号:
    专利说明:

    The invention relates to the printing industry, in particular to a method for producing systematic color tables for seven-color printing.
    The purpose of the invention is to increase the efficiency of the printing process by providing quality control of color. In FIG. 1 shows the source tables showing the systematics of the corresponding change, colors; in fig. 2 - partial cutout of flowers., Table I; in fig. 3 — color charts for checking the gray condition of the applied six-color inks; in fig. 4 - designation of individual color shades.
    Seven inks printed on white printing material are used, for example paper, namely six color inks of yellow, magenta-red, cyanoBo blue, violet
    Commodity blue, green and orange-red and neutral printing ink in black.
    The six source tables (Fig. 1) show systematic mixing possibilities between two inks (adjacent) located inks, namely between colors of yellow and green, green and cyan blue, cyan blue and violet blue, violet blue and purple-red, purple-red and orange-red, orange-red and yellow. The tables are obtained due to the fact that, either with a continuous change, or with a gradation of tones, each of both original colors is located in the rectangle so that it changes from one edge to the opposite one from the full surface to its complete absence. Both of these variations are colored lines.
    about
    four;
     CM
    Chat inks are positioned on the surface at angles 90 one relative to the other.
    On each of the six source tables that arise in this way, with the same gradations of tone, black ink is imprinted. From i tablet to table tone for
    The following tables II-VI show the corresponding changes in the colors applied there.
    The entire set of tables is derived, produced from these six original color tables, and so many subsequent ones are prepared from each of the six original tables.
    black ink change -) about the tables, how many gradations in the printed
    is. So, for example, a tone value for a black dye can be 10% for all shades of a color on one table, 15% on another table.
    Thus, the entire color volume is decomposed into six parts, which corresponds to the six integrated tetrahedra of the rhombohedral system.
    The method is carried out as follows.
    Fig. 1 shows six different I-VI color-numbered color tables serving as a black sparkle should have a set of tables, and for each gradation of black ink from 0 to 100% there is
    ) 5 is the original table, on which the corresponding gradation of black ink is printed over. colors. This means, when dividing black into gradations of 10%,
    20 that for each source of the original table, respectively, 11 tables of these colors are obtained, and the corresponding gradations of black are printed on ten of them. When broken down to
    travel tables, and there are the following- 25 grades 5% is obtained according to this
    Another arrangement of colors in separate tables. Color:
    I- Y / C / S; IV - M / V / S;
    II-C / G / S; V - M / 0 / S;
    III-C / V / S; VI - Y / 0 / S, where Y is a yellow paint;
    G - paint green; С - cyan-blue paint; V - violet paint; M - purple-red paint
    colors; O - orange-red paint
    colors; S - black paint.
    The structure of a separate color table can be described using Y / G / S colors as an example. Table I begins in the upper left corner with a yellow color indicator Yoo and a green color indicator Goo, with indices showing percentages of the color of the coating surface. The yellow paint passes from the left edge (Yoo) to the right edge (YOO). The green color changes from the top edge (Goo is the edge (G ,, j). Hence, for the right upper corner, we get the designation
    40
    .45
    In this case, the tables show the systematic arrangements of the following colors: VII - Y / V; VIII - M / G; IX - C / O.
    In Table VII, the yellow ink color changes from top (Yoo) to the bottom edge (Y, jo). The purple / blue ink color changes from the left edge (Vgo) to the right edge (V, oo). This is valid for tables VIII for
      G (, o, for the lower left corner ,, O and for the lower right corner
    po
    Y / (7o 1ooo) Thus, all possibilities of mixing these two colored original paints are systematically depicted.
    ) to the bottom color pair M / S and IX for color
    C / O pairs, whence it turns out that the gray conditions become visible on the diagonal, passing from the upper left to the lower right.
    Due to the fact that additional colors (contrasting colors) are used for these tables, an optimal
    55
    the ability to control gray black acceleration should have a set of tables, and for each gradation of black ink from 0 to 100% there is
    This is the original table on which the corresponding gradation of black ink is printed over. colors. This means, when dividing black into gradations of 10%,
    what for how the source table. accordingly, 11 tables of these colors are obtained, and the corresponding gradations of black are printed on ten of them. When broken down to
    0
    five
    0
    five
    21 color table.
    A partial cut-out of the table I of the colors (Fig. 2) shows how the individual color fields are arranged next to the table. As an example, a breakdown into gradations equal to 10% of the surface coverage (and, respectively, staining) from the color field to the color field was chosen.
    Addition of a set of tables for checking gray conditions (Fig. 3) is three tables VII-IX showing the following combinations of color inks.
    In this case, the tables show the systematic arrangements of the following colors: VII - Y / V; VIII - M / G; IX - C / O.
    In Table VII, the yellow ink color changes from top (Yoo) to the bottom edge (Y, jo). The purple / blue ink color changes from the left edge (Vgo) to the right edge (V, oo). This is valid for tables VIII for
    possibility to control gray us5. 15 poviy. In this way, it is possible to determine whether, for example, the printing ink of a yellow color is too red or the printing ink of a blue color is too green. These tables are structured in such a way that both colors are arranged
     at an angle of 90 to one another and vary over the surface.
    Let us consider an example (Fig. 4) of the designation of individual color shades. The tabular index is the same for all shades of the color of one table. The indicators on the horizontal m give in this example the corresponding values for green, the indicators on the vertical m are the corresponding indicators for yellow. Indicators can be read at the edge of the table for each color output, whereby for each color shade a logical value is obtained.
    The color charts provide the following benefits. Due to the multi-color printing with relatively small
    . staining allowances economically
    (consequently, it is favorable in terms of expenditure) and without special technical difficulties an atlas of colors (respectively, a table of colors) with a large volume can be produced. To develop a seven-color printing technology, you can rely on these
    systematic color tables. Each color shade gets an indication that simultaneously functions as it needs for that color shade and indicates its blending formula for color printing.,; moreover, the designation may be based on the corresponding surface of the film copy.
    Such a set of tables can also be applied in the technique of reproduction in the manufacture of prints of originals in seven-color printing in order to get an accurate idea of what adjustments should be made to go from the existing color to the desired color, this designation the existing color tone is compared with the designation of the desired color tone, and the difference shows the necessary adjustment.
    Example. Objectionable color cast on printed in
    with
    0 5 Q
    five
    0
    five
    d
    e Q,
    146
    The seven color image has, for example. Designation 5 The color hue should have designation S,, and. For the correction, the difference of these designations is used and the following corrections are obtained: the color S is enhanced by 10%; the color M and O are attenuated by 5%, i.e. their rate decreases. This means that image space is imprinted in black color separation 10% darker, in purple-red color separation 5% lighter and in orange-red color separation 5% lighter.
    For the case of intaglio printing, the floor of the tables is produced by overprinting half-tone fields.
    It is possible to cut out individual color fields and attach them to the substrate in a removable manner. Due to this, an atlas of colors appears with relocatable chips, so that a simple contact with a set of tables is provided. In this case, the designation on individual chips may be applied from the front or from the rear.
    Printed color fields can also be cut and glued to another substrate.
    According to the proposed manufacturing technology, the amount of ink transferred to the printing material is less than with traditional multi-color printing and with the use of the neutral construction method depicted in the Du Monnet color atlas, in which the inevitable fluctuations in color management during printing runs lower tolerances for staining than with orthodox four-color printing.
    Where in four-color printing, for example, an orange-red color is formed by overprinting a continuous layer of yellow paint and a continuous layer of purple-red paint, according to the invention, only a layer of orange-red paint is printed.
    The inevitable tolerances arising from multi-color printing due to color control fluctuations become much smaller than with known color tables. Thus, the problem of color acceptance is substantially reduced (i.e., the subsequent color ink is not fully accepted by the previously printed color ink).
    In contrast to the well-known sysg thematic color tables, for example, the color tables of printing inks in accordance with DIN 16 539 and also the color tables with a neutral construction in the Du Mon d colors atlas, in the proposed set of tables are in the color ranges of purple-blue, green and orange-red cleaner, more light and stronger colors. Due to the fact that in the same source table two adjacent (spaced) colored printed colors are grouped together respectively, for example, yellow paint with orange-red paint or yellow paint with green paint, the effect of irregular absorption and wrong reflections. is substantially smaller, so that cleaner shades of blending appear.
    权利要求:
    Claims (4)
    [1]
    1. A method of making systematic color tables for a full color printing process, concluded in
    Cm bm
    C & too
    forming blocks containing test elements consisting of applied fields of black (S) paint on a substrate containing gradation fields of yellow (Y), purple-red (M), blue (C), violet (V), green ( G), orange-red (O) inks, of which - due to the fact that, in order to increase the efficiency of the printing process by providing quality control of color, the formation of blocks of test elements is carried out by applying inks.
    combinations:
    Y / G / S, G / C / S, C / V / S, V / M / S, M / 0 / S and 0 / Y / S.
    [2]
    2. The method according to claim 1j, characterized in that in deep.
    To form the fields of the test elements, transparent halftone layers of colors are used.
    [3]
    3. Method of popp, 1 and 2, characterized in that the blocks of test elements are formed by carving the fields and fixing them on a substrate with the possibility of removal.
    [4]
     4. The method according to paragraphs. 1 and 2, which is based on the fact that the blocks of the test elements are formed by carving the fields and gluing them onto the substrate.
    Mm ohm
    gao ooo
    Hundred
    Mot. rtrao. 0100Oat
    Yoo & th
    f4 / e.2
    (TOO
     lO- (G
    YOO 10 20 30
    S40
     FD
    FIG.
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    同族专利:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19853537008|DE3537008A1|1985-10-17|1985-10-17|METHOD FOR PRODUCING SYSTEMATIC COLOR TABLES OR COLORBOARDS FOR THE SEVEN-COLOR PRINTING AND TABLES OR TABLES PRODUCED BY THIS PROCESS PANEL|
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