Patent US7936339 - Method and system for invoking computer functionality by interaction with ...

A device user interface in which computer functionality is invoked by user interaction with dynamically generated interface regions of a writing surface. A computer system identifies a marking written on the writing surface or a user selection of an existing written marking. Adjacent to the marking,...http://www.google.co.uk/patents/US7936339?utm_source=gb-gplus-sharePatent US7936339 - Method and system for invoking computer functionality by interaction with dynamically generated interface regions of a writing surface

CARTRIDGEG‘ PERIPHERAL 28 MEM RY O HOUSING 31 INTERFACE 35 INTERFACE AUDIO OUTPUT 37 DEVICE MEMORY UNIT TQP 48 \ 29 POWER SOURCE DEVICE INPUTBUTTONS <--100 38 TRANCEIVER DISPLAY DEVICE HOUSING 4O 62 PROCESSOR OPTICAL DETECTOR OPTICAL EMITTER —$_/

WRITING ELEMENT 52

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Method and system for invoking computer functionality by interaction with ...