Method and device for inputting information for a portable infor

Details Method and device for inputting information for a portable infor Method and device for inputting information for a portable infor

1996-09-20

1999-09-21

Hofsass, Jeffery A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

345173, G09G 500

Patent

active

059560215

ABSTRACT:
An input device comprising LCD panel 106, tablet 108 which is set thereon, wherein representative keys are displayed on LCD panel 106. When pen 109 touches a key, the key is expanded. If pen 109 continues pressing the key, the displayed key changes to its related key. When pen 109 is lifted up from tablet 108, a key corresponding to a position on tablet 108 from which pen 109 has been lifted up is determined as an input key.

REFERENCES:
patent: 5148155 (1992-09-01), Martin et al.
patent: 5166666 (1992-11-01), Tanaka
patent: 5416904 (1995-05-01), Arai et al.
patent: 5561446 (1996-10-01), Montlick
patent: 5570113 (1996-10-01), Zetts
patent: 5571997 (1996-11-01), Gray et al.
patent: 5579037 (1996-11-01), Tahara et al.

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