Graphic pattern storage device using FIFO with feedback between

Details Graphic pattern storage device using FIFO with feedback between Graphic pattern storage device using FIFO with feedback between

1993-08-05

1995-10-17

Powell, Mark R.

395444, G06F 1200

Patent

active

054598346

ABSTRACT:
A plurality of stages are connected in series for storing graphic pattern data. In order to repeatedly use the graphic pattern data previously stored in any stage, the data of the lowermost stage is fed back to an upstream stage via a feedback bus. Each stage includes a data selector and a stage register. The data selector is switched by a write pointer and a feedback pointer to select the data to be stored in the stage register. Hence, regardless of different lengths of graphic patterns, a mapping of the graphic patterns can be carried out uniformly at a high speed.

REFERENCES:
patent: 3662346 (1972-05-01), Tada
patent: 4243943 (1981-01-01), Cherry
patent: 4858107 (1989-08-01), Fedele

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