Optical Media: How does a CD drive work?

  • May 07, 2015
  • 52 Downloads
  • 1 Like
  • Blender 2.7x
  • Render: Blender Internal
  • Creator: pddring
  • License: CC-BY
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Description:

This is the 3d model used for the youtube video that explains how optical media devices such as cd drives work: http://youtu.be/-ynJXHPzioA

It's designed for GCSE Computer Science students at Manor CE Academy in York.

Comments:

  • donorclay profile picture
    donorclay

    This is a very informative video! My fiance and I were only recently marveling at compact disks and wondering how it worked. We understood binary and such. I was pretty correct in my guesses though I had thought that both the 1 and 0 both reflected into the sensor, only in different ways. It is much simpler this way because it only requires one light sensor.

    Am I correct in assuming that the sensor is merely a photocell?

    Written May 10, 2015