Video display system comprising an index store for storing reduc

Details Video display system comprising an index store for storing reduc Video display system comprising an index store for storing reduc

1984-06-11

1987-03-10

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340721, 340731, 340703, 340728, G09G 114

Patent

active

046493808

ABSTRACT:
A video display system includes a television monitor 1, a display generator 2, a display memory 3, a processor 4, and a main memory 13. The main memory 13 stores pages of text and pictures which can be selected for display. When a page is selected, the processor 4 controls its transfer from the main memory to the display memory where it is accessed by the display generator to produce the R, G, B display signals. The main memory 3 includes an index store 18 which contains indexing information which can be displayed in the form of index pages containing miniature aide memoire versions of the stored pages. In the aide memoire version of a text page, single dots represent respective characters of the text page. In the aide memoire version of a picture page, single dots represent respective discrete areas of the picture page. In the latter case, each dot has a color which is the average color of the area concerned.

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IBM Technical Disclosure, G. T. Webb, Combination of Alphanumeric and Formatting Data on CRT Display, vol. 15, No. 7, Dec. 1972.

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