Image storage and retrieval for a printer

Details Image storage and retrieval for a printer Image storage and retrieval for a printer

1995-02-28

1999-01-26

Evans, Arthur G.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358444, G06K 1500

Patent

active

058646523

ABSTRACT:
A printer 10 stores print image data in memory 56 as the print image data is used by a print engine 12 to print an image in accordance with the print image data. In one embodiment, separate data buses (17, 46) and separate processors (40, 50) are used to transfer the print image data to the print engine and the memory so that the transfer operations can occur independently and in parallel. In another aspect, the print image data is compressed before it is stored in the memory. In yet another aspect, an overrun condition is detected when the transfer of data to the memory falls behind the transfer of data to the print engine. During the overrun condition, transfer of data to the memory is suspended until after the page has been printed.

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Search Report for PCT Application No. PCT/US97/10339 date Feb. 18, 1998.
U.S. Patent Application serial No. 08/702,813, filed Jun. 7, 1993, abandoned.
U.S. Patent Application serial No. 08/061,923, filed May 14, 1993, abandoned.

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