Computer system having digitizing tablet

Details Computer system having digitizing tablet Computer system having digitizing tablet

1997-02-13

2000-01-25

Wu, Xiao

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345145, G09G 500

Patent

active

060183365

ABSTRACT:
When a pressure sensitive tablet is tapped with a touch pen, input coordinate values x and y, corresponding to the position tapped with the pen, are sent to a tablet driver from a tablet controller. Event data is added to the coordinate values x and y sent to the tablet driver by a pointing management portion to be sent to an operating system. If the coordinate values x and y sent from the tablet driver are included in an area showing a switch of a mode displayed on a screen, the coordinate values x and y are sent to a tablet mode switching tool by a pen service portion of the operating system.

REFERENCES:
patent: 4831568 (1989-05-01), Ito
patent: 4903012 (1990-02-01), Ohuchi
patent: 5432531 (1995-07-01), Calder et al.
patent: 5587559 (1996-12-01), Fleck et al.
patent: 5612719 (1997-03-01), Beernink et al.
patent: 5668966 (1997-09-01), Ono et al.

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