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Patent Searching and Data


Title:
COLOR IMAGE FORMING APPARATUS AND COLOR IMAGE PROCESSOR
Document Type and Number:
Japanese Patent JPH01184138
Kind Code:
A
Abstract:
PURPOSE:To form a color image with reduced memory capacity, by repeatedly performing the development, writing and reading of a plurality of image memory means in parallel. CONSTITUTION:Each of full page memories 4-1, 4-2 has capacity capable of storing the data corresponding to one color of the color image of one manuscript. Next, a CPU analyzes the PDL data held to a PDL data memory to develop an indicated image on a full page image memory with respect to one output color component. The CPU 5 changes the access to the developed full page image memory to an address generating part after the finish of development to one of the full page image memories 4-1, 4-2 with respect to one output color component. By repeating this process with respect to each of the output color components of yellow, magenta, cyan and black, a full color image is formed.

Inventors:
KADOWAKI TOSHIHIRO
SAKAI MASAKI
Application Number:
JP1013688A
Publication Date:
July 21, 1989
Filing Date:
January 19, 1988
Export Citation:
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Assignee:
CANON KK
International Classes:
B41J2/525; H04N1/387; H04N1/46; H04N1/50; (IPC1-7): B41J3/00; H04N1/387; H04N1/46
Domestic Patent References:
JPS61114687A1986-06-02
JPS62226769A1987-10-05
JPS60236773A1985-11-25
Attorney, Agent or Firm:
Marushima Giichi