Digitizing apparatus

Details Digitizing apparatus Digitizing apparatus

2005-07-05

2005-07-05

Eisen, Alexander (Department: 2674)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

C345S173000, C345S180000, C345S182000, C345S183000, C178S018050, C178S018060

Reexamination Certificate

active

06914595

ABSTRACT:
Graphics are drawn with an input pen, which is provided with an optical sensor at its tip, on a display surface of an EL display. At this time, the EL display is caused to emit light in dot sequence, and the position of the input pen is detected as coordiante information on the basis of timing of light emission of the EL display and timing of light emission detection of the input pen.

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patent: 2001/0019325 (2001-09-01), Takekawa

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