SNOWPAD: Multi-touch trackpad - programmable, Arudino/microcontroller fr...

Monday, November 3, 2008

A collection of illustrations: how touch screens work

 

Projected capacitive touch screens

Projected capacitive touch screens

Capacitive multi-touch touch screens

Capacitive multi-touch touch screens image

Surface Capacitive

Surface Capacitive Surface Capacitive

Acoustic Pulse Recognition

Acoustic Pulse Recognition

Surface Acoustic Wave

Surface Acoustic Wave Surface Acoustic Wave

image

In-Cell TSP

image

Resistive

Resistive screens image

4-wire Resistive

4-wire Resistive image

5-wire Resistive

5-wire Resistive image

IR Touch

IR Touch 

Optical Touch

Optical Touch

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