CS147-2009-10-06-input

CS147-inp - cs147 October 6 2009 Björn Hartmann [email protected] Understanding& Modeling Input Devices HW3 rubric clarified

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Unformatted text preview: cs147 October 6, 2009 Björn Hartmann [email protected] Understanding & Modeling Input Devices HW3 rubric clarified http://hci/courses/cs147/assignments/3_discovery.html Google groups http://groups.google.com/group/cs147-fall-2009/ http://groups.google.com/group/cs147-tech-2009/ 2 1. How do common input devices work? 2. How can we think about the larger space of all possible input devices? 3. Can we predict human input performance? 4. What about uncommon input devices (multitouch, tangible interfaces, …)? 5. Will this be on the exam? Yes. 3 4 time Level of abstraction concrete details abstract models Functional Dissection of Mouse & Keyboard Design Space of Input Devices Modeling Human Performance I think my keyboard is broken. Whenever I have a few keys pressed down, some keys suddenly don’t work anymore; at other times ‘phantom’ characters appear. What’s going on? 6 Key cap Top conductive layer Bottom conductive layer Separating layer (with hole) Key cap Top conductive layer Bottom conductive layer Separating layer (with hole) 10 11 Q W E R T A S D F G Z X C V B R1 R2 R3 R4 C1 C2 C3 C4 C5 9 lines 20 keys 12 C1 C2 R1 R2 13 C1 C2 R1 R2 14 C1 C2 R1 R2 15 C1 C2 R1 R2 16 C1 C2 R1 R2 A Layered Framework 17 From: Hartmann, Follmer, Klemmer: Input Devices are like Onions...
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This note was uploaded on 01/12/2010 for the course CS 147 at Stanford.

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CS147-inp - cs147 October 6 2009 Björn Hartmann [email protected] Understanding& Modeling Input Devices HW3 rubric clarified

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