Handwritten character input device

Details Handwritten character input device Handwritten character input device

1993-06-28

1995-05-09

Chin, Stephen

Telegraphy

Systems

Position coordinate determination for writing

178 19, 178 20, 382 89, 382159, 382202, G08C 2100, G06K 900, G06K 962, G06K 946

Patent

active

054142288

ABSTRACT:
The present invention discloses a handwritten character input device for entering a handwritten character into a microcomputer accommodated inside of the handwritten character input device, the handwritten character input device comprising a digitizer including a stylus pen and a tablet, the stylus pen with which the handwritten character is drawn on the tablet, the handwritten character formed of at least one stroke; an erasure request detection unit for detecting that erasure of the whole or part of the strode data is requested when they include a predetermined feature or they end in a predetermined area; and a stroke data erasure unit for cancelling stroke data representing the strokes which were drawn on the tablet and transferred thereto, and erasing them if request for the erasing operation is detected by the erasure request detection unit.

REFERENCES:
patent: Re33936 (1992-05-01), Miyamori
patent: 4656317 (1987-04-01), Tsugei
patent: 4670751 (1987-06-01), Enokido et al.
patent: 4685142 (1987-08-01), Ooi et al.
patent: 4883926 (1989-11-01), Baldwin
patent: 4947156 (1990-08-01), Sato
patent: 5023408 (1991-06-01), Murakami
patent: 5117297 (1992-05-01), Nobile
patent: 5134388 (1992-07-01), Murakami et al.
patent: 5191622 (1993-03-01), Shojima et al.

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