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1. (WO2012000541) DEVICE ENABLING A USER TO INTERACT WITH A COMPUTER SYSTEM

Pub. No.:    WO/2012/000541    International Application No.:    PCT/EP2010/059227
Publication Date: Fri Jan 06 00:59:59 CET 2012 International Filing Date: Wed Jun 30 01:59:59 CEST 2010
IPC: G06F 3/042
G06F 3/03
Applicants: IT-Universitetet i København
BARDRAM, Jakob Eyvind
RAMOS, Juan David Hincapié
Inventors: BARDRAM, Jakob Eyvind
RAMOS, Juan David Hincapié
Title: DEVICE ENABLING A USER TO INTERACT WITH A COMPUTER SYSTEM
Abstract:
Disclosed is a device enabling a user to interact with a computer system via a display screen, said device comprising a housing that accommodates electronic circuitry and has a bottom face, where a device display faces said display screen when the device is positioned on the display screen on its bottom face, said device display being configured to display a code optically in two dimensions towards said display screen. The device is characterized by comprising a sensor configured to read a first code from an object in proximity of the device and to provide a sensor signal conveying the first code; and a processing unit coupled to the sensor to receive the sensor signal. The processing unit is coupled to the device display and is configured to convert the first code to a second code and to provide a display signal to the device display to display the second code optically.