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How does one create a spiral type of image with a pen laser?..tia sal2

Discussion in 'Electronic Basics' started by Guest, Jun 22, 2005.

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  1. Guest

    Guest Guest

  2. Impmon

    Impmon Guest

    Math. I used to do something similiar on Commodore 64 with 1520
    plotter by using Sine and Cosine to draw a circle except with one
    difference: the distance from the center increased as the pen went
    around, resulting in a spiral.

    That disk with the BASIC program was long lost, the plotter has since
    quit working properly and my C64 are long put away.
  3. This is often done with rotating mirrors to deflect the light in x- and
    y-directions. The mirrors have polyhedric cross-section. But you need to
    be careful not to shine the light into anybodies eyes.
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