Rasterizer for pattern generator

Details Rasterizer for pattern generator Rasterizer for pattern generator

1985-10-04

1989-02-21

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340745, 340799, G09G 116

Patent

active

048069213

ABSTRACT:
A rasterizer, particularly suited for generating patterns for semiconductor masks and the like is described. An 8.times.8 array uses RAS, CAS and WE signals in addition to the memory address for accessing the array. A state machine is used to convert the pattern data (e.g., type of object orientation, etc.) into accessing data with the WE generator being driven through a ROM.

REFERENCES:
patent: 4209832 (1980-06-01), Gilham et al.
patent: 4384338 (1983-05-01), Bennett
patent: 4511962 (1985-04-01), Machida
patent: 4580134 (1986-04-01), Campbell et al.
patent: 4591850 (1986-05-01), Lundstrom
patent: 4620186 (1986-10-01), Krause et al.
patent: 4626838 (1986-12-01), Tsujioka et al.
The 8.times.8 Display, Sproul et al, A.C.M. Trans. on Graphics, vol. 2, No. 1; 1/83; pp. 32-56.

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