SU456747A1

SU456747A1 - The method of obtaining a multi-color image

Info

Publication number: SU456747A1
Application number: SU1894512A
Authority: SU
Inventors: Анна Дмитриевна Копылова
Priority date: 1973-03-16
Filing date: 1973-03-16
Publication date: 1975-01-15

Description

Horo экспонировани на эмульсионный слой фототехнической пленки В .начале цветоделенных негативов фановой окраски, а затем, не мен положени контактного растра, полутонового негатива отмывки рельефа с последующнм одноактным про влением. Дл совмещени используют, например, штифтовое приводочное устройство. С целью получени отмывки рельефа на оттисках карты вььразительного серо-фиолетового цвета врем экспонирова|ни с .полутонового негатива отмывки рельефа при изготовлении совменден ных цветоделенных растворовых фотоформ голубой и пурпур.ной красок берут таким, чтобы размер (диаметр) растровых точек отмывки рельефа по .серой контрольной шкале был в соотношении 1,2:1,0. С цветоделенного негатива фоновой окраски желтой краски изготавливают растровую фотофор1му обычным путем так, что 0|на не содержит изображени отмывки рельефа.The horo of exposure to the emulsion layer of the phototechnical film V. Is the beginning of the color-separated negatives of the fan coloring, and then, without changing the position of the contact raster, the half-tone negative of the relief relief with the subsequent one-act development. For alignment, for example, a pin register device is used. In order to obtain a relief relief on impressions of a card of a dramatic gray-violet color, the exposure time of a half-negative negative of a relief relief in the manufacture of combined separations of blue and purple color inks is taken so that the size (diameter) of the raster points of the relief of a relief is washed over. the gray control scale was 1.2: 1.0. From the color separation of the negative background color of the yellow paint, the raster photoform is made in the usual way so that 0 | does not contain the image of the relief relief.

С растровых совмещенных фотоформ голубой и пурпурной красок и растровой .фотоформы желтой краски изготавливают -печатные формы, производ т пробную печать карты, а затем после корректуры печатают тираж карты .From the combined raster photoforms of cyan and magenta inks and the raster. Photos of yellow ink are made -prints, a test print of the card is made, and then after the proof is printed, the circulation of the card is printed.

П р е д 1 е г и 3 о б р е т е и и PROPOSITION 1 AND 3 OF THE BEST AND AND

Claims

1. A method of obtaining .1, color} of the 1st image, for example, relief on physiographic maps, which consists in that from a color original of a background color of a relief they receive halftone color-split negatives, from their original theory of washing a relief, they receive a semitone monochrome negative and Negatives obtained produce raster photoforms in divided colors, characterized in that, in order to reduce the number of forms while improving the expressiveness of the relief, the raster photoforms of cyan and magenta rasok prepared kopirovanie.m aligned contact with the corresponding background color negatives relief ot.myvki and negative relief and th rasters photoforms yellow paint was prepared by copying a contact only with yellow background negative coloration.

2. A method according to claim 1, characterized in that the electronic separations of the purple and cyan colors are made from the combined transparent originals of the background color of the relief and the washing of the relief, and the form of the yellow paint is made only of the original of the background color.