Electronic pen input device and coordinate detecting method...

Details Electronic pen input device and coordinate detecting method... Electronic pen input device and coordinate detecting method...

2005-05-24

2005-05-24

Lamarre, Guy J. (Department: 2133)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

C345S173000, C178S019010, C178S019040

Reexamination Certificate

active

06897854

ABSTRACT:
A electronic pen input device and a coordinate determining method are provided. The electronic pen input device includes an optical 3-dimensional detecting device for detecting orientation angles of a centerline of the pen relative to a ground and a height of the pen over a writing surface, a 3-axis accelerometer for detecting a movement of the pen, and a communication means for sending the detected information to a post processing device.

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