Use of context to simplify two-dimensional computer input

Details Use of context to simplify two-dimensional computer input Use of context to simplify two-dimensional computer input

1981-11-16

1984-10-09

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340709, 340721, 340789, G09G 116

Patent

active

044764626

ABSTRACT:
The number of key strokes required to enter two-dimensional figures, such as chemical structures, into a computer from a keyboard display is reduced by utilizing contextual relationships between the character being typed at a specific location and the characters surrounding that location to predict the next character and/or location of that character to be typed. For example, when a horizontal bond between chemical elements is to be typed, the keyboard carriage moves horizontally to the next position, as with a conventional keyboard; but when a vertical or diagonal bond is typed, the carriage moves in the direction of the bond. In addition, symbols representing various atoms are predicted and automatically displayed at a next position location following typing of a bond when the contextual relationship at that location so requires.

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patent: 3559208 (1971-01-01), DiGiugno et al.
patent: 3623068 (1971-11-01), Horgan et al.
patent: 3678497 (1972-07-01), Watson et al.
patent: 3786478 (1974-01-01), King, Jr.
patent: 4063232 (1977-12-01), Fernald
patent: 4085443 (1978-04-01), DuBois et al.
patent: 4195338 (1980-03-01), Freeman

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