1. Bits-1 AJG 10/2010 The University of Massachusetts Lowell Bits Anthony J. Gabrielson October 5, 2010

2. The University of Massachusetts Lowell Bits - 2 AJG 10/2010 Papers A sign of the times: A composite input device for human- computer interactions A Survey on the Development of Multi-touch Technology

3. The University of Massachusetts Lowell Bits - 3 AJG 10/2010 Composite Input Device Hand is equipped with sensors and sign language is used for input Sensors: –3 axis accelerometers –switches –pressure sensors

4. The University of Massachusetts Lowell Bits - 4 AJG 10/2010 Multi-touch Technology Current Input has limited degrees of freedom –Mouse: 2 DOF As prices drop new technology needs to be considered FMTSID: multi-point touch sensor-based device ~1985 Diamond Touch: multi-user touch- sensitive surface (Mitsubishi Electric Research Laboratories) Smart Skin: Multi- touch system - higher resolution ratio (Sony) iPhone: first mobile device with access to multi-touch technology (Apple) Everywhere Display: Camera & projector; turns a common touch screen into an interactive display PlayAnywhere: Simple Front Facing Camera FTIR: Beams of LED reach the surface of the screen from the touch-screen cross-section will reflect Microsoft Surface: Simple Front Facing Camera

5. The University of Massachusetts Lowell Bits - 5 AJG 10/2010 Conclusion Composite Input Device –Simple Keyboard Replacement –Language Processing Capability Multi-touch Technology –New ways to interact with computer –Eyes –Multi-Touch