Invention Grant
US08069486B1 Identifying the origin of hard-copy documents 有权
识别硬拷贝文件的来源

Identifying the origin of hard-copy documents
Abstract:
Capturing information associated with a document is disclosed. An indication that a request to print a document is being transmitted is observed in network traffic associated with a printer. At a node other than the printer, data associated with the observed network traffic is processed to determine information associated with the request to print the document.
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