Apparatus for displaying a plurality of two dimensional display

Details Apparatus for displaying a plurality of two dimensional display Apparatus for displaying a plurality of two dimensional display

1991-01-03

1994-07-26

Harkcom, Gary V.

395158, 395155, 395135, G06F 1562

Patent

active

053332555

ABSTRACT:
An apparatus for displaying a plurality of two dimensional display regions includes a currently displayed display region on a surface of a visual display. A pointing device generates X and Y coordinate signals corresponding to locations on the display and a Z increment signal, and a pointer is displayed on the display at a location corresponding to a set of the X and Y coordinate signals. A sequence of two dimensional display regions is stored in a memory circuit, and a display region succeeding the currently displayed display region in the sequence or a display region preceding the currently displayed display region in the sequence is selected in response to the Z increment signal irrespective of whether the location at which the pointer is displayed coincides with the selected display region. The display regions are displayed on the display in accordance with the sequence such that the selected display region appears as the currently displayed display region, and display regions succeeding the selected display region in the sequence appear overlapped by the selected display region in a third dimension normal to the surface of the display with each of the displayed display regions being displayed in its entirety except where overlapped by a preceding display region in the sequence. The selected display region is displayed in its entirety.

REFERENCES:
patent: 4783648 (1988-11-01), Homma et al.
patent: 4823108 (1989-04-01), Pope
patent: 5008853 (1991-04-01), Bly et al.
patent: 5088052 (1992-02-01), Spielman et al.
patent: 5101365 (1992-03-01), Westberg et al.
patent: 5175813 (1992-12-01), Golding et al.

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