| 摘要 |
A method for halftone reproduction of continuous tone images, in black and white or color, wherein improved tonal density characteristics are achieved, is disclosed. By plotting a first set of dot fields upon a recording medium, such as photographic film, and then plotting successive sets of dot fields upon the same reocording medium with some dots of the successive sets being superimposed upon some of the dots of the first set, an increased number of different tonal densities is made possible.
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