Multi-window display system with modification or manipulation ca

Details Multi-window display system with modification or manipulation ca Multi-window display system with modification or manipulation ca

1985-05-02

1989-02-21

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340723, 340734, G09G 100

Patent

active

048069191

ABSTRACT:
A multi-window display method and system for displaying a plurality of overlapping windows so that only portions of windows that are not covered by other windows are displayed. In displaying the first window and then the second window over the first window, the first partial area which belongs to the first window and is covered by the second window, and the second partial area which belongs to the first window but is not covered by the second window are detected; the first partial area is registered as a non-display area; the second partial area is registered as a display area; if reversal of the positional relationship between the first and second windows is instructed, the first partial area, which has been registered as a non-display area, is registered as a display area; and the newly registered display area is displayed on the display unit. The method and system enable speed-up of displaying overlapping windows.

REFERENCES:
patent: 4484302 (1984-11-01), Cason et al.
patent: 4542376 (1985-09-01), Bess et al.
patent: 4555775 (1985-11-01), Pike
patent: 4559533 (1985-12-01), Bess et al.
patent: 4586035 (1986-04-01), Baker et al.
patent: 4642790 (1987-02-01), Minshull et al.
patent: 4649377 (1987-03-01), Urabe

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