Replaceable unit monitor reader with auto polling capabilities

Electrophotography – Diagnostics – Unit or part identification

Reexamination Certificate

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Details

C399S024000, C340S572100

Reexamination Certificate

active

07146112

ABSTRACT:
A replaceable unit monitor reader system includes a host processor and a coupler board. The coupler board has a detection circuitry that provides an auto-detect, auto-initiate and/or auto-select ability. After receiving command from the host processor, the coupler board enables communication with a CRUM without requiring a further command from the host processor.

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patent: 5975736 (1999-11-01), Simmons et al.
patent: 6233409 (2001-05-01), Haines et al.
patent: 2003/0063147 (2003-04-01), Walker
patent: 2003/0233548 (2003-12-01), Moreaux et al.
patent: 2004/0242196 (2004-12-01), Beach
patent: 2005/0057368 (2005-03-01), Corbett et al.
patent: 2005/0120260 (2005-06-01), Suzuki et al.
patent: 2410867 (2005-08-01), None

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