Multiwindow display circuit

Details Multiwindow display circuit Multiwindow display circuit

1984-09-05

1987-09-15

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340724, 340747, G09G 116

Patent

active

046942882

ABSTRACT:
A multiwindow display circuit comprises a horizontal boundary memory for storing horizontal boundary data of display windows, a vertical boundary memory for storing vertical boundary data of the display windows, a display address memory for storing an address of each of the display windows, a picture information memory for storing picture information related to the address stored within the display address memory, a bias value memory for storing bias values for the display windows, an address converter for adding a selected one of the bias values to the address of the display address memory to convert the display address, a window select circuit for selecting a single window from among the display windows, a display timing controller for changing a code representative of the single window, and a display responsive to the display timing controller for displaying any portion of the picture information memory in any area of the display.

REFERENCES:
patent: 4278973 (1981-07-01), Hughes et al.
patent: 4414628 (1983-11-01), Ahuja et al.
patent: 4533910 (1985-08-01), Sukonick et al.
patent: 4542376 (1985-09-01), Bass et al.
patent: 4550315 (1985-10-01), Bass et al.
patent: 4555775 (1985-11-01), Pike
patent: 4559533 (1985-12-01), Bass et al.
patent: 4586035 (1986-04-01), Baker et al.

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