Multiple bus image controller structure for color page printers

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364900, 3649354, G06K 1500

Patent

active

050439189

ABSTRACT:
A printer control system for controlling the transfer of image data to a printer marking engine, composed of: a main processing unit for controlling the operation of the system; an interface for receiving print data from an external device; a main bus connected between the main processing unit and the interface; a first data storage device for storing, in a first form, data representing an image to be printed; a second data storage device for storing data representing an image to be printed in a second form suitable for transmission to the marking engine; a data block moving device for controlling the transfer of data from the first data storage device to the second data storage device while the data is converted from the first form to the second form; a second bus structurally separate from the main bus and interconnecting the first data storage device, the second data storage device and the data block moving device; and a signal transmitting device connected between the main bus and the second bus for permitting the transfer of data therebetween.

REFERENCES:
patent: 4122520 (1978-10-01), Adamchick et al.

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