Data input device with a display keyboard

Details Data input device with a display keyboard Data input device with a display keyboard

1997-09-29

1998-11-03

Johns, Andrew W.

Image analysis

Pattern recognition

On-line recognition of handwritten characters

382188, 395146, G06K 900, G06K 962, G06F 1500

Patent

active

058321136

ABSTRACT:
A data input device including a display screen on which a keyboard appears, and a tablet that covers the screen. Keys are displayed in such a manner that a single alphabet character appears in a single key representation area. A mark drawn with a pen on the tablet indicates the transformation or modification of the specified character, such that a character indicated by a touch is entered in lowercase, and a character indicated by a check is entered in uppercase. Furthermore, by displaying a plurality of symbols in a single key representation area, one of the symbols can be selected and entered, depending on the manner in which the pen touches the screen.

REFERENCES:
patent: 5063600 (1991-11-01), Norwood
patent: 5177328 (1993-01-01), Ito et al.
patent: 5276794 (1994-01-01), Lamb, Jr.
patent: 5459796 (1995-10-01), Boyer
patent: 5481278 (1996-01-01), Shigematsu et al.
patent: 5502803 (1996-03-01), Yoshida et al.
George G. Robertson et al, Buttons as First Class Objects on an X Desktop, Proceedings of the Symposium on User Interface Software and Technology, Hilton Head, South Carolina, USA Nov. 11, 1991, pp. 35-44.

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