Patent ID: 8023140
Filing Date: 2011-09-20
Classification: B41J,G06F,G06Q,H04M,H04N,Y10S,Y10T

Abstract:
1. A handheld display device for overlaying a printed substrate and for magnifying printed content on said printed substrate, said device comprising: an optical sensor for imaging an area of the printed substrate containing printed content and for generating image data; a processor for determining interaction data using the image data, said interaction data indentifying a page description corresponding to the printed substrate; a transceiver for: an opaque touch-sensitive display screen for displaying display information based on said display data, said display information matching and aligning with printed content underlying said screen such that the opaque display screen has real-time virtual transparency through the opaque screen to the printed content underlying said screen from a user's perspective to provide a virtual window to the printed content underlying said screen; wherein said device is configured such that user interaction with displayed content via said touch-sensitive display screen causes the displayed content to be magnified on said screen.