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Uses for CD-ROM laser/optical assembly

Discussion in 'Electronic Basics' started by David, Feb 5, 2004.

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  1. David

    David Guest

    I was digging around in my "old parts bin" (sic. "junk bin") and came across
    an old 5-disc, roulette wheel style CD-player. I took it apart. Its actually
    very well designed internally. There is a motor and large gear abou 10'
    across that spins the turntable which holds up to 5 CDs. There is a motor
    that controls the position of the optical head and along with gears and so
    on is part of *optical/laser assembly itself.*

    From what I know, a CD player's optical assembly is highly precise. This
    one's range of motion appears is one dimension and looks to be about ~4" (or
    whatever is less than the total radius of a standard CD). For what might one
    use one of these things? I could imagine it being utilized for etching or
    "microscopic analysis" of a small area higher power laser be fitted or
    should a high-power lense system replace the laser itself. The assembly is
    actually very modular. Take away the laser transceiver and voila you could
    mount whatever the optical assembly could carry without burning out the
    motor. Seems its useful only for printing in the small, etching, lettering,
    plotting or embroidery?

    What else--apart from reading CD's might such an assembly be used for? Just
    seems rather neat-o.
     
  2. h

    h Guest

    Bit random, but www.timhunkin.com , particularly
    http://www.timhunkin.com/99_under_pier_show.htm perhaps...

    If you have the skills you could make a crazy robotic clock. One that makes
    the tea and indicates weather forecasts by way of semaphore, with lights on
    it and stuff
     
  3. David

    David Guest

    Thats a scary site.
     
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