Cursor control circuit for plural displays for use in a word pro

Details Cursor control circuit for plural displays for use in a word pro Cursor control circuit for plural displays for use in a word pro

1980-08-12

1984-02-28

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340709, 340731, 400 83, G09G 100

Patent

active

044344198

ABSTRACT:
A cursor control system provided for word processing apparatus of the type having a keyboard for entering alphanumeric data and including two displays. A first display displays a plurality of lines of text. A first display control circuit is coupled between the keyboard and first display and includes a first cursor control circuit for causing visual marking of a predetermined number of characters to be exhibited on the first display. The cursor control circuit is actuated by the keyboard. A second display control circuit includes a second cursor control circuit for causing visual marking on the second display of those marked characters on the first display which are also exhibited on the second display.

REFERENCES:
patent: 3166636 (1965-01-01), Rutland et al.
patent: 3868673 (1975-02-01), Mau, Jr. et al.
patent: 3967266 (1976-06-01), Roy
patent: 3999168 (1976-12-01), Findley et al.
patent: 4007443 (1977-02-01), Bromberg et al.
patent: 4063223 (1977-12-01), Schlig et al.
patent: 4224614 (1980-09-01), DevChoudhury
patent: 4228430 (1980-10-01), Iwamura et al.

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