Image-forming system for obscuring poster lines

Facsimile and static presentation processing – Facsimile – Recording apparatus

Patent

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Details

358152, H04N 504, H04N 576

Patent

active

042518350

ABSTRACT:
A circuit within an image-forming system for enhancing the gray scale quality of a refreshed raster-scan presentation by causing the raster lines of successive frames of such presentation to be successively interlaced whether such frames are of single- or double-field composition. Also disclosed is a hard-copy device employing such a circuit.

REFERENCES:
patent: 3571503 (1971-03-01), McMann
patent: 3811007 (1974-05-01), Unger
patent: 4096530 (1978-06-01), Plugge

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