Raster scan digital display system

Details Raster scan digital display system Raster scan digital display system

1985-04-15

1987-06-09

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340798, 340799, G09G 116

Patent

active

046723684

ABSTRACT:
A raster scan digital display system of the type in which consecutive locations in a buffer store are accessed to provide a picture element data stream, has means to increase the number of bits in each picture element data group. Each applied buffer store address is compared with a preselected address. When equality is detected, the value of the extra picture element bits is set, and a new preselected address is generated. The value of the extra picture element bits remains constant until equality between the new preselected address and an applied buffer store address is detected, when the extra bit value is changed and a new preselected address is provided.

REFERENCES:
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patent: 4420770 (1983-12-01), Rahman
patent: 4437092 (1984-03-01), Dean et al.
patent: 4447809 (1984-05-01), Kodama et al.
patent: 4481594 (1984-11-01), Staggs et al.
patent: 4516266 (1985-05-01), Christopher et al.
patent: 4521770 (1985-06-01), Rhyne
patent: 4635048 (1987-01-01), Nishi et al.

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