Image rotation from virtual memory in a digital printing system

Details Image rotation from virtual memory in a digital printing system Image rotation from virtual memory in a digital printing system

1996-06-03

1997-08-12

Evans, Arthur G.

395117, G06K 1500

Patent

active

056574312

ABSTRACT:
In a high-speed digital printing apparatus having duplex capability, second-side images must be rotated. In order to quickly rotate the second-side images, the image data for the images are read out from memory in a reverse order of addresses, with each address corresponding to one byte. As each byte is transferred to an imager, a relationship of sets of bits, each set of bits corresponding to one pixel, are altered within each byte.

REFERENCES:
patent: 4307958 (1981-12-01), McIrvine
patent: 4453841 (1984-06-01), Bobick et al.
patent: 4935897 (1990-06-01), Kurihara et al.
patent: 5012434 (1991-04-01), Zietlow et al.

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