1. Multi Touch Screen Yong Du Ayyappan Iyer

2. Multi Touch Screen

3. Multi touch Components Multi-touch consists of a touch screen or touchpad that recognizes multiple simultaneous touch points and software to interpret simultaneous touches.touch screen touchpad

4. Sensing Technique FTIR(Frustrated Total Internal Reflection)

5. Multi Touch History Began in 1982 – University of Toronto & Bell Labs. Further Enhancements – University of Delaware: 1990. a)Sophisticated 2-handed typing & gesture systems. b)Basis for iGesture mousepads & touchscreen keyboards by FingerWorks: 2001. Founders joined Apple: 2005.

6. Jefferson Y. Han Research Scientist at New York University’s “Courant Institute of Mathematical Sciences. Owner of Perceptive Pixel, Inc. Developer of interface- free touch driven screens. Developer of various customized graphic applications to be run on multi touch screen.

7. Products using this technology Lemur Input Device – 1 st commercial multi-touch display: 2005. Apple iPhones – 2007. Other products using multi-touch with more diverse finger gestures: Apple's iPod touch, MacBook Air & Microsoft’s Surface Technology. Apple’s plan to implement above technology in following generations of MacBook and MacBook Pro Notebooks, similar to iPhones & MacBook Air.

8. Unique features Multiple independent touch senses. Customizable to use any compatible software and applications. Rotation of 3D Images in either direction. Support for multiple interactive user sessions.

9. Potential future applications of technology Graphic Designing. Interactive maps. Computer screens – keyboards and mouse interaction using fingers. Games. Military & Space Command Control Centre.

10. Sample Multi Touch Demo Video http://www.youtube.com/watch?v=he- j1BbZf58