1. Touch Technology Interacting with Devices Through Natural Human Gestures: Touches, Swipes and Taps

2. Today we are familiar with many multi-touch devices. iPods apple.com Smartphones apple.com blog.oxagile.com

3. Tablets rgadget.com Tablet Personal Computers apple.com The iPad rgadget.com

4. These Devices Respond to Natural Human Touch

5. These Devices Respond to Natural Human Touch This works in a few different ways

6. Method 1 Each device has an acrylic or glass surface A finger touches the surface causing light to scatter The reflection is picked up by sensors or cameras The gesture is sent as data to software The software interprets the data and initiates the appropriate response

7. Method 2 A pressure-sensitive coating is applied to the screen surface The coating flexes under varying pressure of the touch Sensors interpret the pressure The data is sent to software which relays the appropriate response

8. Method 3 Handheld devices have panels that carry an electrical charge The touch disrupts the electrical field The disruption is registered and sent to the software The software interprets the gesture and initiates the appropriate response

9. But this isn’t new technology There were important breakthroughs beginning in 1953

11. He invented the touch sensitive keyboard collectionscanada.gc.ca

13. MIT wrote the first video game, Space War! for it.

14. A total of 50 were built.

15. Each had a cathode ray tube graphic display.library.thinkquest.org

16. Then the work began to improve Computer-Human Interaction www2.cit.cornell.edu insitebuilders.blogspot.com xmission.com

17. In 1963, Ivan Sutherland invented SketchPad. Objects were manipulated directly on the computer screen using a light-pen. jabberwockydesign.com jabberwockydesign.com

19. People drew directly on the computer surface

20. Natural human gestures (drawing) provided the input

21. Individual drawings were recognized as objects(This was an important step toward later programming) 1. http://www.newmediareader.com/cd_samples/Kay/index.html

24. Previous text or drawings could be edited public.csusm.edu

26. Used existing touch screen technology

27. Replaced certain keyboard functions with touch

28. Software was able to interpret touch data

29. Software then initiated program responses hp.com

30. This same technology was used to create ATM’sin the 1980’s plippard.com

31. In 1992,computers became mobile The Apple Newton: The first PDA (Personal Digital Assistant) This brought together many previous technological innovations Pen Computing Technology Handwriting Recognition Software Gesture Recognition It also introduced Apple’s 1sttablet platform. (Apple’s 2ndplatform is used in the iPhone, iPod Touch, and iPad.) gdgt.com

32. These innovations and breakthroughs allow us to interact with our devices using Natural Human Gestures: Touches, Swipes and Taps

33. rgadget.com apple.com apple.com apple.com blog.oxagile.com rgadget.com

34. Resources http://medt3401.blogspot.com/2010/07/tablet-pcs.html http://cdn.venturebeat.com http://rgadget.com/2007/12/dell-latitude-xt-tablet-pc-launched/ http://blog.oxagile.com/2010/05/ http://www.livbit.com/article/2008/11/12/iphone-and-ipod-touch-the-future-of-gaming/ http://www.apple.com/ipod http://www2.cit.cornell.edu/computer/history/Linke.html http://insitebuilders.blogspot.com/ http://www.collectionscanada.gc.ca/4/7/m15-399-e.htm http://library.thinkquest.org/18268/History/hist_c_60s.htm http://jabberwockydesign.com/2009/09/the-original-cad-demo/ http://public.csusm.edu/sween013/website502/technology.html http://www.hp.com/hpinfo/abouthp/histnfacts/timeline/hist_80s.html http://www.hp.com/hpinfo/abouthp/histnfacts/timeline/hist_80s.html http://www.plippard.com/ http://gdgt.com/apple/newton/messagepad/2000/