Title:
コンテンツを確実に頒布するためのシステム
Document Type and Number:
Japanese Patent JP4512153
Kind Code:
B2
Abstract:
A system and method for the secure distribution and consumption of electronic documents using a standard rendering engine. The documents can usage rights associated therewith. A server stores at least one of the documents in computer readable form. A client having a standard application program including a rendering engine capable of rendering unencrypted documents for viewing is operated by a user. The client and the server are coupled by a communications network. A security module controls requested for at least one of the documents on the server from the client and delivers the document and a set of rights associated with the document to the client.
Inventors:
Larry, Michael
Chen, Daniel
Woo, Chung
Ta, Tan
Chen, Daniel
Woo, Chung
Ta, Tan
Application Number:
JP2008214852A
Publication Date:
July 28, 2010
Filing Date:
August 25, 2008
Export Citation:
Assignee:
ContentGuard Holdings, Inc.
International Classes:
G06F12/14; G06F21/10; G07F19/00; H04L9/32; H04L29/06; H04L29/08
Domestic Patent References:
| JP2001525585A |
Foreign References:
| WO1999029082A1 | ||||
| US6006332 |
Other References:
冨田 民則 Taminori TOMITA,従来型電子モールを拡張したオンラインコンテンツ販売システム Digital Contents Sales System for Intern,情報処理学会研究報告 Vol.99 No.11 IPSJ SIG Notes,日本,社団法人情報処理学会 Information Processing Socie,1999年 1月30日,第99巻,p.87-93
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Kato Kazunori
Katsuichi Nishimoto