Bits-1AJG 10/2010

The University of Massachusetts Lowell

Bits

Anthony J. Gabrielson

October 5, 2010

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Papers

• A sign of the times: A composite input device for human-computer interactions

• A Survey on the Development of Multi-touch Technology

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Composite Input Device

• Hand is equipped with sensors and sign language is used for input

• Sensors: – 3 axis accelerometers – switches– pressure sensors

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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

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Conclusion

• Composite Input Device – Simple Keyboard Replacement– Language Processing Capability

• Multi-touch Technology– New ways to interact with computer– Eyes– Multi-Touch