Invention Grant
- Patent Title: Time information management system
- Patent Title (中): 时间信息管理系统
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Application No.: US12227193Application Date: 2007-05-09
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Publication No.: US08176546B2Publication Date: 2012-05-08
- Inventor: Erez Waisbard , Hillel Solow
- Applicant: Erez Waisbard , Hillel 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

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.
Public/Granted literature
- US20090133116A1 Time Information Management System Public/Granted day:2009-05-21
Information query