Method and apparatus for entering data using a virtual input device
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United States of America Patent
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N/A
Issued Date -
Mar 11, 2004
app pub date -
Aug 29, 2003
filing date -
Nov 4, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A user with hand or stylus inputs information to a companion system such as a PDA, a cell telephone, an appliance, or other device using a virtual input device such as an image of a keyboard. A sensor captures data representing a single image at a given time, from which data three-dimensional positional information as to if, when in time, and where on the virtual input device user-interaction or contact occurred. The processed digital information is output to the companion system. In a virtual keyboard application, the companion system can display an image of a keyboard, including an image of a keyboard showing user fingers, and/or alphanumeric text as such data is input by the user on the virtual input device.
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