Memory management for electronic color printer

Facsimile and static presentation processing – Facsimile – Recording apparatus

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Details

358 78, H04N 121, H04N 129, H04N 146

Patent

active

051756285

ABSTRACT:
A method and apparatus for managing the storage of image data in a framestore of an electronic color printing system so as to minimize the storage requirements of the framestore. In such a system, image data is read out from the framestore in a color-separated sequence (R1-Rn; G1-Gn; B1-Bn) which differs substantially from a color-integrated sequence (R1,G1,B1-Rn,Gn,Bn) in which image data is received by the framestore from an input image scanner. According to the invention, values representing such color-integrated data from the image scanner are stored at address locations in the framestore vacated by the immediately preceding data read-out step. Such data management obviates the need for two separate framestores, each being capable of storing a sufficient number of multiple color-separated images to produce a desired array of multicolor images on a single receiver sheet.

REFERENCES:
patent: 4896146 (1990-01-01), Narumiya
patent: 4994827 (1991-02-01), Jamzadeh
patent: 5099336 (1992-03-01), Moriya

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