ipod0 - The iPod...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
The iPod http://electronics.howstuffworks.com/ipod.htm
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
iPod Physics Screen LCD technology User interface Wheel thingie Touch screen Disk storage Solid state drive Audio performance
Background image of page 2
LCD screens Liquid crystal display Long history Cheap electronics have used them for many years QuickTimeª and a decompressor are needed to see this picture. QuickTimeª and a decompressor are needed to see this QuickTimeª and a decompressor are needed to see this
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Rotating polarization of light Crystal molecule rotates plane of polarization When electric field is applied, can either twist or untwist the alignments QuickTimeª and a decompressor are needed to see this picture.
Background image of page 4
Liquid Crystal Molecules are stacked close to each other, but not locked together (a liquid) Large scale alignments between molecules (crystal) Direction of alignment set by local conditions QuickTimeª and a decompressor are needed to see this pict
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
An LCD QuickTimeª and a decompressor are needed to see this picture.
Background image of page 6
iPod interface Input works by capacitive sensing Touching on controllable thing presses on a conducting plate QuickTimeª and a decompressor are needed to see this picture. QuickTimeª and a decompressor are needed to see this picture.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Capacitors Two conducting plates separated by something which does not conduct electricity Most interesting if the plates are hooked up to a voltage source QuickTimeª and a decompressor are needed to see this picture.
Background image of page 8
QuickTimeª and a decompressor are needed to see this picture. From theglobeandmail.com
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/13/2010 for the course PHYS 181 taught by Professor Gilholder during the Spring '10 term at McGill.

Page1 / 30

ipod0 - The iPod...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online