Invention Grant
US08176546B2 Time information management system 有权
时间信息管理系统

  • Patent Title: Time information management system
  • Patent Title (中): 时间信息管理系统
  • Application No.: US12227193
    Application Date: 2007-05-09
  • Publication No.: US08176546B2
    Publication Date: 2012-05-08
  • Inventor: Erez WaisbardHillel Solow
  • Applicant: Erez WaisbardHillel Solow
  • Applicant Address: GB Staines, Middlesex
  • Assignee: NDS Limited
  • Current Assignee: NDS Limited
  • Current Assignee Address: GB Staines, Middlesex
  • Agency: Husch Blackwell LLP
  • International Application: PCT/IL2007/000561 WO 20070509
  • International Announcement: WO2007/148319 WO 20071227
  • Main IPC: H04L29/06
  • IPC: H04L29/06
Time information management system
Abstract:
A rights validator system for controlling access to content, the system including a query processor to receive a rights query and to provide a result to the rights query based on an estimated time, and a time-based query response module operationally connected to the query processor, the time-based query response module being operative to determine the estimated time as a function of a most recently updated time, and a plurality of indications of elapsed time since the most recently updated time, the indications of elapsed time being from a plurality of different sources of time indication. Related apparatus and methods are also included.
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