发明名称 |
PRINT ENGINE CONTROLLER FOR A PRINTHEAD ASSEMBLY |
摘要 |
Provided is print engine controller of a printhead assembly having a plurality of printhead modules. The controller includes a memory buffer to receive rasterized page data from a computer system, a page image expander for expanding the page data to retrieve page images, and dithering means for dithering a continuous tone ("contone") layer over the page data. The controller also includes a compositor for compositing a black bi-level layer of the contone layer, rendering means for rendering infra-red tags over the contone layer, and an output driving the printhead modules to print the composited page data.
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申请公布号 |
US2008273217(A1) |
申请公布日期 |
2008.11.06 |
申请号 |
US20080139491 |
申请日期 |
2008.06.15 |
申请人 |
SILVERBROOK RESEARCH PTY LTD. |
发明人 |
SILVERBROOK KIA;LAPSTUN PAUL;WALMSLEY SIMON ROBERT |
分类号 |
H04N1/60;B41J2/14;B41J2/155;G06F15/00 |
主分类号 |
H04N1/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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