Printer with reduced memory

Details Printer with reduced memory Printer with reduced memory

1997-10-02

1999-10-19

Evans, Arthur G.

395113, G06K 1500

Patent

active

059702214

ABSTRACT:
A printer system and method with reduced memory. A first memory, a second memory, a third memory, and a device which converts image description data to bitmap data, compresses the bitmap data, prints the compressed bitmap data and controls the printing system. The system and method senses when the end of a swath of image description data is stored in the first memory or when the first memory is full, causing a conversion of the image description data to bitmap data. The bitmap data is stored in the second memory. The bitmap data in the second memory is compressed, and the compressed bitmap data is stored in the third memory. When the third memory means is full, the compressed bitmap data is printed. The memory capacity of each of the first, second, and third memories is variable, while the overall cumulative capacity of the first, second and third memories is held constant.

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patent: 5150454 (1992-09-01), Wood et al.
patent: 5471322 (1995-11-01), Murata
patent: 5479587 (1995-12-01), Campbell et al.
patent: 5483622 (1996-01-01), Zimmerman et al.
patent: 5487138 (1996-01-01), Rust et al.
patent: 5504842 (1996-04-01), Gentile
patent: 5504844 (1996-04-01), Ueda

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