×

Digital watermarking for workflow by tracking content or content identifiers with respect to time

  • US 7,978,874 B2
  • Filed: 03/17/2005
  • Issued: 07/12/2011
  • Est. Priority Date: 10/21/2002
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus, comprising:

  • a controller;

    router; and

    at least one multi-purpose electronic processor configured as a digital watermark embedder,wherein the controller is configured to provide user information to a data record;

    wherein the data record is configured to maintain a time-based user log to track user access to the apparatus relative to time, andwherein the at least one multi-purpose electronic processor is configured to automatically embed an identifier and time stamp into content provided from the router, wherein the identifier is uniquely associated with the apparatus or controller and the data record such that the content is traceable via the identifier and time stamp to a user of the apparatus via reference to the data record at a particular time.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×