CN1200355C - 电子书的加密及防止拷贝的方法 - Google Patents
电子书的加密及防止拷贝的方法 Download PDFInfo
- Publication number
- CN1200355C CN1200355C CNB01126442XA CN01126442A CN1200355C CN 1200355 C CN1200355 C CN 1200355C CN B01126442X A CNB01126442X A CN B01126442XA CN 01126442 A CN01126442 A CN 01126442A CN 1200355 C CN1200355 C CN 1200355C
- Authority
- CN
- China
- Prior art keywords
- book
- encryption
- counter
- preventing
- copies
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000002265 prevention Effects 0.000 title abstract 3
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB01126442XA CN1200355C (zh) | 2001-08-10 | 2001-08-10 | 电子书的加密及防止拷贝的方法 |
US10/180,345 US20040003240A1 (en) | 2001-08-10 | 2002-06-27 | Electronic book encryption and copy prevention method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB01126442XA CN1200355C (zh) | 2001-08-10 | 2001-08-10 | 电子书的加密及防止拷贝的方法 |
US10/180,345 US20040003240A1 (en) | 2001-08-10 | 2002-06-27 | Electronic book encryption and copy prevention method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1402137A CN1402137A (zh) | 2003-03-12 |
CN1200355C true CN1200355C (zh) | 2005-05-04 |
Family
ID=32298972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01126442XA Expired - Fee Related CN1200355C (zh) | 2001-08-10 | 2001-08-10 | 电子书的加密及防止拷贝的方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040003240A1 (zh) |
CN (1) | CN1200355C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7768663B2 (en) * | 2004-02-02 | 2010-08-03 | Toshiba Corporation | System and method for printing books by book identification |
CN1558580B (zh) * | 2004-02-03 | 2010-04-28 | 胡祥义 | 一种基于密码技术的网络数据安全防护方法 |
US7631013B2 (en) * | 2005-04-06 | 2009-12-08 | Sierra Interactive Systems, Inc. | System and method for publishing, distributing, and reading electronic interactive books |
JP4273096B2 (ja) | 2005-06-13 | 2009-06-03 | キヤノン株式会社 | システム、コンピュータ、及びそれらの制御方法 |
US20070245020A1 (en) * | 2006-04-18 | 2007-10-18 | Yahoo! Inc. | Publishing scheduler for online content feeds |
US20090111082A1 (en) * | 2006-05-22 | 2009-04-30 | Richard Jorgensen | Learning system |
US9369604B2 (en) * | 2007-03-28 | 2016-06-14 | Ricoh Co., Ltd. | Mechanism for speculative printing |
US20120090032A1 (en) * | 2010-10-06 | 2012-04-12 | Victor Trinklein | Webtextbooks |
CN103218576A (zh) * | 2013-04-07 | 2013-07-24 | 福建伊时代信息科技股份有限公司 | 电子文件防拷贝的系统和方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2001271763A1 (en) * | 2000-06-30 | 2002-01-14 | Zinio Systems, Inc. | System and method for encrypting, distributing and viewing electronic documents |
-
2001
- 2001-08-10 CN CNB01126442XA patent/CN1200355C/zh not_active Expired - Fee Related
-
2002
- 2002-06-27 US US10/180,345 patent/US20040003240A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1402137A (zh) | 2003-03-12 |
US20040003240A1 (en) | 2004-01-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: YINGHUADA(NAN JING) TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YINGYEDA GROUP(NANJING) ELECTRONIC TECHNOLOGY CO.,LTD Effective date: 20041210 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20041210 Address after: 210006 Pai Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Applicant after: Inventec (Nanjing) Technology Co., Ltd. Address before: Nanjing City, Jiangsu province 210006 Crane Street No. 100 Applicant before: Inventec Group (Nanjing) Electronic Technology Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050504 Termination date: 20130810 |