| DE1279884B (de)* | 1964-02-05 | 1968-10-10 | Danfoss As | Wechselstromgespeistes Steuergeraet fuer Feuerungen |
| US3610944A (en)* | 1969-03-26 | 1971-10-05 | Tokyo Electric Power Co | System-interconnecting arrangement |
| US3656062A (en)* | 1969-03-26 | 1972-04-11 | Rca Corp | Lightning protection system |
| JPS5184673A (xx)* | 1975-01-24 | 1976-07-24 | Hitachi Ltd | |
| DE9107139U1 (de)* | 1991-06-10 | 1992-07-16 | Hofsäss, Peter, 7530 Pforzheim | Temperaturschutzvorrichtung |
| US5629980A (en)* | 1994-11-23 | 1997-05-13 | Xerox Corporation | System for controlling the distribution and use of digital works |
| US20050149450A1 (en)* | 1994-11-23 | 2005-07-07 | Contentguard Holdings, Inc. | System, method, and device for controlling distribution and use of digital works based on a usage rights grammar |
| JPH08263438A (ja) | 1994-11-23 | 1996-10-11 | Xerox Corp | ディジタルワークの配給及び使用制御システム並びにディジタルワークへのアクセス制御方法 |
| US6865551B1 (en) | 1994-11-23 | 2005-03-08 | Contentguard Holdings, Inc. | Removable content repositories |
| US7117180B1 (en) | 1994-11-23 | 2006-10-03 | Contentguard Holdings, Inc. | System for controlling the use of digital works using removable content repositories |
| US6963859B2 (en)* | 1994-11-23 | 2005-11-08 | Contentguard Holdings, Inc. | Content rendering repository |
| US6233684B1 (en)* | 1997-02-28 | 2001-05-15 | Contenaguard Holdings, Inc. | System for controlling the distribution and use of rendered digital works through watermaking |
| US7068787B1 (en) | 1998-10-23 | 2006-06-27 | Contentguard Holdings, Inc. | System and method for protection of digital works |
| US7286665B1 (en) | 1999-04-06 | 2007-10-23 | Contentguard Holdings, Inc. | System and method for transferring the right to decode messages |
| US7356688B1 (en) | 1999-04-06 | 2008-04-08 | Contentguard Holdings, Inc. | System and method for document distribution |
| US6937726B1 (en) | 1999-04-06 | 2005-08-30 | Contentguard Holdings, Inc. | System and method for protecting data files by periodically refreshing a decryption key |
| US6859533B1 (en) | 1999-04-06 | 2005-02-22 | Contentguard Holdings, Inc. | System and method for transferring the right to decode messages in a symmetric encoding scheme |
| US6885748B1 (en) | 1999-10-23 | 2005-04-26 | Contentguard Holdings, Inc. | System and method for protection of digital works |
| US6931545B1 (en)* | 2000-08-28 | 2005-08-16 | Contentguard Holdings, Inc. | Systems and methods for integrity certification and verification of content consumption environments |
| US7073199B1 (en) | 2000-08-28 | 2006-07-04 | Contentguard Holdings, Inc. | Document distribution management method and apparatus using a standard rendering engine and a method and apparatus for controlling a standard rendering engine |
| US7412605B2 (en) | 2000-08-28 | 2008-08-12 | Contentguard Holdings, Inc. | Method and apparatus for variable encryption of data |
| US7743259B2 (en) | 2000-08-28 | 2010-06-22 | Contentguard Holdings, Inc. | System and method for digital rights management using a standard rendering engine |
| US7343324B2 (en) | 2000-11-03 | 2008-03-11 | Contentguard Holdings Inc. | Method, system, and computer readable medium for automatically publishing content |
| US6912294B2 (en)* | 2000-12-29 | 2005-06-28 | Contentguard Holdings, Inc. | Multi-stage watermarking process and system |
| US6754642B2 (en) | 2001-05-31 | 2004-06-22 | Contentguard Holdings, Inc. | Method and apparatus for dynamically assigning usage rights to digital works |
| US8069116B2 (en) | 2001-01-17 | 2011-11-29 | Contentguard Holdings, Inc. | System and method for supplying and managing usage rights associated with an item repository |
| CN100437508C (zh) | 2001-01-17 | 2008-11-26 | 康坦夹德控股股份有限公司 | 管理数字内容使用权利的方法和装置 |
| US7028009B2 (en)* | 2001-01-17 | 2006-04-11 | Contentguardiholdings, Inc. | Method and apparatus for distributing enforceable property rights |
| US7774279B2 (en) | 2001-05-31 | 2010-08-10 | Contentguard Holdings, Inc. | Rights offering and granting |
| US20030220880A1 (en)* | 2002-01-17 | 2003-11-27 | Contentguard Holdings, Inc. | Networked services licensing system and method |
| US7206765B2 (en)* | 2001-01-17 | 2007-04-17 | Contentguard Holdings, Inc. | System and method for supplying and managing usage rights based on rules |
| US20030043852A1 (en)* | 2001-05-18 | 2003-03-06 | Bijan Tadayon | Method and apparatus for verifying data integrity based on data compression parameters |
| US6876984B2 (en) | 2001-05-31 | 2005-04-05 | Contentguard Holdings, Inc. | Method and apparatus for establishing usage rights for digital content to be created in the future |
| US7725401B2 (en) | 2001-05-31 | 2010-05-25 | Contentguard Holdings, Inc. | Method and apparatus for establishing usage rights for digital content to be created in the future |
| US8275716B2 (en) | 2001-05-31 | 2012-09-25 | Contentguard Holdings, Inc. | Method and system for subscription digital rights management |
| US6895503B2 (en) | 2001-05-31 | 2005-05-17 | Contentguard Holdings, Inc. | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights |
| US8099364B2 (en) | 2001-05-31 | 2012-01-17 | Contentguard Holdings, Inc. | Digital rights management of content when content is a future live event |
| US7222104B2 (en)* | 2001-05-31 | 2007-05-22 | Contentguard Holdings, Inc. | Method and apparatus for transferring usage rights and digital work having transferrable usage rights |
| US6973445B2 (en)* | 2001-05-31 | 2005-12-06 | Contentguard Holdings, Inc. | Demarcated digital content and method for creating and processing demarcated digital works |
| US8001053B2 (en) | 2001-05-31 | 2011-08-16 | Contentguard Holdings, Inc. | System and method for rights offering and granting using shared state variables |
| US8275709B2 (en) | 2001-05-31 | 2012-09-25 | Contentguard Holdings, Inc. | Digital rights management of content when content is a future live event |
| US7152046B2 (en)* | 2001-05-31 | 2006-12-19 | Contentguard Holdings, Inc. | Method and apparatus for tracking status of resource in a system for managing use of the resources |
| US6976009B2 (en) | 2001-05-31 | 2005-12-13 | Contentguard Holdings, Inc. | Method and apparatus for assigning consequential rights to documents and documents having such rights |
| WO2002101494A2 (en)* | 2001-06-07 | 2002-12-19 | Contentguard Holdings, Inc. | Protected content distribution system |
| WO2002101490A2 (en) | 2001-06-07 | 2002-12-19 | Contentguard Holdings, Inc. | Cryptographic trust zones in digital rights management |
| US7774280B2 (en)* | 2001-06-07 | 2010-08-10 | Contentguard Holdings, Inc. | System and method for managing transfer of rights using shared state variables |
| BR0210932A (pt)* | 2001-06-07 | 2004-06-08 | Contentguard Holdings Inc | Método e aparelho para gerenciar a transferência de direitos |
| GB2404535B (en)* | 2003-07-29 | 2006-07-19 | Ncipher Corp Ltd | Secure transmission of data within a distributed computer system |
| US7438078B2 (en)* | 2005-08-05 | 2008-10-21 | Peter Woodruff | Sleeping bag and system |
| DE102005048529B4 (de)* | 2005-10-07 | 2008-04-10 | Metabowerke Gmbh | Motorschutzschaltung |
| JP2009027525A (ja)* | 2007-07-20 | 2009-02-05 | Nec Corp | 光伝送システムおよび光伝送方法 |