CN101174941A - 一种移动终端文件离线数字版权保护方法及装置 - Google Patents
一种移动终端文件离线数字版权保护方法及装置 Download PDFInfo
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101989321A (zh) * | 2010-11-05 | 2011-03-23 | 上海传知信息科技发展有限公司 | 电子书离线阅读版权保护系统及方法 |
CN103258167A (zh) * | 2013-05-10 | 2013-08-21 | 广州杰赛科技股份有限公司 | 一种手持设备中png图片保护方法 |
CN104737188A (zh) * | 2012-09-04 | 2015-06-24 | 微软公司 | 数字收据的管理 |
CN105095784A (zh) * | 2014-05-21 | 2015-11-25 | 中兴通讯股份有限公司 | 终端数据写入、读取的方法及装置 |
CN105426701A (zh) * | 2014-09-23 | 2016-03-23 | 北大方正集团有限公司 | 电子书加密和离线阅读方法及装置、电子书版权保护系统 |
CN105516056A (zh) * | 2014-09-24 | 2016-04-20 | 腾泰科技股份有限公司 | 加密文件保护系统及其保护方法 |
CN107306254A (zh) * | 2016-04-21 | 2017-10-31 | 北京印刷学院 | 基于双层加密的数字版权保护方法及系统 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US7370212B2 (en) * | 2003-02-25 | 2008-05-06 | Microsoft Corporation | Issuing a publisher use license off-line in a digital rights management (DRM) system |
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2006
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101989321A (zh) * | 2010-11-05 | 2011-03-23 | 上海传知信息科技发展有限公司 | 电子书离线阅读版权保护系统及方法 |
CN104737188A (zh) * | 2012-09-04 | 2015-06-24 | 微软公司 | 数字收据的管理 |
CN103258167A (zh) * | 2013-05-10 | 2013-08-21 | 广州杰赛科技股份有限公司 | 一种手持设备中png图片保护方法 |
CN105095784A (zh) * | 2014-05-21 | 2015-11-25 | 中兴通讯股份有限公司 | 终端数据写入、读取的方法及装置 |
CN105426701A (zh) * | 2014-09-23 | 2016-03-23 | 北大方正集团有限公司 | 电子书加密和离线阅读方法及装置、电子书版权保护系统 |
CN105426701B (zh) * | 2014-09-23 | 2018-05-18 | 北大方正集团有限公司 | 电子书加密和离线阅读方法及装置、电子书版权保护系统 |
CN105516056A (zh) * | 2014-09-24 | 2016-04-20 | 腾泰科技股份有限公司 | 加密文件保护系统及其保护方法 |
CN105516056B (zh) * | 2014-09-24 | 2018-10-26 | 腾泰科技股份有限公司 | 加密文件保护系统及其保护方法 |
CN107306254A (zh) * | 2016-04-21 | 2017-10-31 | 北京印刷学院 | 基于双层加密的数字版权保护方法及系统 |
CN107306254B (zh) * | 2016-04-21 | 2021-06-18 | 北京印刷学院 | 基于双层加密的数字版权保护方法及系统 |
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CN101174941B (zh) | 2012-07-04 |
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Denomination of invention: Off-line digital copyright protection method and device for mobile terminal document Effective date of registration: 20121211 Granted publication date: 20120704 Pledgee: Tianjin Port Free Trade Zone Investment Guarantee Center Pledgor: Beijing scholar Electronic Technology Co., Ltd.|Tianjin scholar Software Technology Co., Ltd. Registration number: 2012110000006 |
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Effective date of registration: 20181210 Address after: 100029 Changxin Building 408-409, 39 Anding Road, Chaoyang District, Beijing Patentee after: Beijing Sursen Electronic Technology Co., Ltd. Address before: Room 408, Taixing Building, 11 Garden East Road, Haidian District, Beijing, 100191 Co-patentee before: Tianjin Scholar Software Technology Co., Ltd. Patentee before: Beijing Sursen Electronic Technology Co., Ltd. |