CN102867135A - Cad图形实体的权限控制系统及控制方法 - Google Patents
Cad图形实体的权限控制系统及控制方法 Download PDFInfo
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103778383A (zh) * | 2014-02-21 | 2014-05-07 | 武汉大学 | 一种基于草绘的cad模型局部加密方法 |
CN109829266A (zh) * | 2019-02-13 | 2019-05-31 | 江西金格科技股份有限公司 | 一种基于dwg的图形授权访问的控制技术及管理方法 |
CN112084516A (zh) * | 2020-09-14 | 2020-12-15 | 洛阳众智软件科技股份有限公司 | 安全保护cad图纸信息的方法及设备 |
Citations (5)
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US20020099837A1 (en) * | 2000-11-20 | 2002-07-25 | Naoyuki Oe | Information processing method, apparatus, and system for controlling computer resources, control method therefor, storage medium, and program |
CN101266639A (zh) * | 2007-10-19 | 2008-09-17 | 江苏科技大学 | 基于硬件环境的计算机辅助设计数据加密保护方法 |
CN101673328A (zh) * | 2009-09-25 | 2010-03-17 | 北京中企开源信息技术有限公司 | 一种数字电影制作系统认证方法 |
CN101866404A (zh) * | 2010-06-13 | 2010-10-20 | 用友软件股份有限公司 | 软件系统模块独立授权控制方法和装置 |
CN102117476A (zh) * | 2011-04-15 | 2011-07-06 | 哈尔滨工业大学 | 一种用于cad文档的签章水印系统 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020099837A1 (en) * | 2000-11-20 | 2002-07-25 | Naoyuki Oe | Information processing method, apparatus, and system for controlling computer resources, control method therefor, storage medium, and program |
CN101266639A (zh) * | 2007-10-19 | 2008-09-17 | 江苏科技大学 | 基于硬件环境的计算机辅助设计数据加密保护方法 |
CN101673328A (zh) * | 2009-09-25 | 2010-03-17 | 北京中企开源信息技术有限公司 | 一种数字电影制作系统认证方法 |
CN101866404A (zh) * | 2010-06-13 | 2010-10-20 | 用友软件股份有限公司 | 软件系统模块独立授权控制方法和装置 |
CN102117476A (zh) * | 2011-04-15 | 2011-07-06 | 哈尔滨工业大学 | 一种用于cad文档的签章水印系统 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103778383A (zh) * | 2014-02-21 | 2014-05-07 | 武汉大学 | 一种基于草绘的cad模型局部加密方法 |
CN103778383B (zh) * | 2014-02-21 | 2016-03-30 | 武汉大学 | 一种基于草绘的cad模型局部加密方法 |
CN109829266A (zh) * | 2019-02-13 | 2019-05-31 | 江西金格科技股份有限公司 | 一种基于dwg的图形授权访问的控制技术及管理方法 |
CN112084516A (zh) * | 2020-09-14 | 2020-12-15 | 洛阳众智软件科技股份有限公司 | 安全保护cad图纸信息的方法及设备 |
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Address after: 510665, Guangdong, Guangzhou, Tianhe District rhyme road 24, No. 26, four floor Applicant after: Guangdong South Digital Technology Co., Ltd. Address before: Four Building No. 26 Guangzhou Road, building surveying and mapping Seekon rhyme in Guangdong province 510665 Zhongshan Avenue Applicant before: Guangdong South Digital Technology Co., Ltd. |
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CB03 | Change of inventor or designer information |
Inventor after: Ni Xiaodong Inventor after: Wu Longxiang Inventor after: Li Shaobai Inventor after: Fan You Inventor after: Liang Zheheng Inventor after: Wang Hongfei Inventor before: Ni Xiaodong Inventor before: Zhu Dejun |
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Application publication date: 20130109 |