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Brevets

  1. Recherche avancée dans les brevets
Numéro de publicationWO1998024037 A3
Type de publicationDemande
Numéro de demandePCT/US1997/020929
Date de publication3 déc. 1998
Date de dépôt17 nov. 1997
Date de priorité25 nov. 1996
Autre référence de publicationCA2271012A1, EP0974217A2, WO1998024037A2
Numéro de publicationPCT/1997/20929, PCT/US/1997/020929, PCT/US/1997/20929, PCT/US/97/020929, PCT/US/97/20929, PCT/US1997/020929, PCT/US1997/20929, PCT/US1997020929, PCT/US199720929, PCT/US97/020929, PCT/US97/20929, PCT/US97020929, PCT/US9720929, WO 1998/024037 A3, WO 1998024037 A3, WO 1998024037A3, WO 9824037 A3, WO 9824037A3, WO-A3-1998024037, WO-A3-9824037, WO1998/024037A3, WO1998024037 A3, WO1998024037A3, WO9824037 A3, WO9824037A3
InventeursJie Feng, Kenneth G Mages
DéposantHyperlock Technologies Inc, Jie Feng, Kenneth G Mages
Exporter la citationBiBTeX, EndNote, RefMan
Liens externes:  Patentscope, Espacenet
Method for securely triggering the playing of crippled local media through the web
WO 1998024037 A3
Résumé
A method of transmitting protected video and/or graphic data over the Internet from a Web site, by encrypting the video and/or graphic data and storing it at a Web site associated with a server, and by encrypting a video player and storing it at the Web site. Both are then downloaded (70) to a requesting computer via the Internet or Intranet. The requesting (72) computer decrypts the video and/or graphic data and video player via a previously supplied decryption key, so that the video may be played back by the decrypted player.
Citations de brevets
Brevet cité Date de dépôt Date de publication Déposant Titre
WO1996034334A1 *18 avr. 199631 oct. 1996Casio Computer Co., Ltd.Device for executing enciphered program
EP0665486A2 *18 janv. 19952 août 1995AT&T Corp.Method of protecting electronically published materials using cryptographic protocols
EP0673034A2 *17 mars 199520 sept. 1995Sony CorporationOptical disk and method and apparatus for recording and then playing information back from that disk
EP0715247A1 *23 nov. 19955 juin 1996Xerox CorporationSystem for controlling the distribution and use of digital works using digital tickets
EP0717338A1 *1 déc. 199519 juin 1996AT&T Corp.Method of protecting copyright
EP0768601A1 *18 avr. 199616 avr. 1997Casio Computer Company LimitedDevice for executing enciphered program
US4930158 *29 août 198829 mai 1990Vogel Peter SSelective video playing system
US5319705 *21 oct. 19927 juin 1994International Business Machines CorporationMethod and system for multimedia access control enablement
US5457746 *19 déc. 199410 oct. 1995Spyrus, Inc.System and method for access control for portable data storage media
US5555303 *22 mai 199510 sept. 1996Stambler; LeonSecure transaction system and method utilized therein
US5576843 *29 oct. 199319 nov. 1996Time Warner Entertainment Co., L.P.System and method for controlling play of multiple dialog audio tracks of a software carrier
Référencé par
Brevet citant Date de dépôt Date de publication Déposant Titre
US918960523 févr. 200917 nov. 2015Microsoft Technology Licensing, LlcProtected computing environment
Classifications
Classification internationaleH04N7/16, G06F21/10, H04L29/06, G11B20/00, G06F1/00
Classification coopérativeH04L63/083, G11B20/00086, G11B20/00159, G11B20/0071, G06F2211/007, H04N21/4622, H04N21/4782, H04L29/06, G11B20/0021, H04L63/061, G11B20/00152, G11B20/00137, H04L63/0428, G11B20/00615, G06F21/10
Classification européenneH04N21/462S, H04N21/4782, G11B20/00P5, G06F21/10, G11B20/00P6C, G11B20/00P2, G11B20/00P2B, G11B20/00P10, G11B20/00P2C, H04L63/06A, H04L63/04B, H04L63/08D, G11B20/00P, H04L29/06
Événements juridiques
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