Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Smart pulley

  1. Nov 16, 2004 #1
    How does a smart pulley work?
  2. jcsd
  3. Nov 16, 2004 #2


    User Avatar
    Science Advisor
    Homework Helper

    It's probably attached to some sort of encoder. For example, there are slots in some part of the pulley, and two light gates that can be used to identify the direction and number of slots that the pulley has moved in. They're similar to ballmouse internals, but with much poorer resolution.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook