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US 7,009,594 B2Granted
Universal computing device
AssigneeMicrosoft Corporation
InventorsJian Wang, ChunHui Zhang
Life of this patent
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Abstract
A universal input device is described. The universal input device provides a common user interface for a variety of different computing platforms including printed documents. Using the present system, one may use the universal input device to control various computing devices as well as capture handwritten electronic ink and have the electronic in be associated with new or stored documents.
Claims1
An input device for generating data representative of hand written strokes, the input device comprising:
- an image capturing unit for capturing an image of an area of an object over which the input device is positioned and generating captured image data, said data representative of hand written strokes being determined from location information extracted from said captured image data;
- a processor processing the captured image data;
- and
- a memory storing data,
- wherein the object comprises a display of a computing device including an image pattern providing location information of an area on the display,
- wherein the image of the area over which the input device is positioned includes image data representative of a location of the area of the object,
- wherein the image data representative of a location of the area of the object includes an image pattern representative of the location of the area of the object, and
- wherein the image pattern representative of the location of the area of the object includes a portion of a maze-like pattern.
5 more elements
Dependencies are inferred from the claim text.