CN100385943C - 一种对有线电视信号进行加扰解扰的方法 - Google Patents
一种对有线电视信号进行加扰解扰的方法 Download PDFInfo
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- CN100385943C CN100385943C CNB2004100095506A CN200410009550A CN100385943C CN 100385943 C CN100385943 C CN 100385943C CN B2004100095506 A CNB2004100095506 A CN B2004100095506A CN 200410009550 A CN200410009550 A CN 200410009550A CN 100385943 C CN100385943 C CN 100385943C
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Application Number | Priority Date | Filing Date | Title |
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CNB2004100095506A CN100385943C (zh) | 2004-09-13 | 2004-09-13 | 一种对有线电视信号进行加扰解扰的方法 |
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CNB2004100095506A CN100385943C (zh) | 2004-09-13 | 2004-09-13 | 一种对有线电视信号进行加扰解扰的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1620139A CN1620139A (zh) | 2005-05-25 |
CN100385943C true CN100385943C (zh) | 2008-04-30 |
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CNB2004100095506A Active CN100385943C (zh) | 2004-09-13 | 2004-09-13 | 一种对有线电视信号进行加扰解扰的方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102256157B (zh) * | 2010-05-20 | 2013-04-03 | 北京创毅视讯科技有限公司 | 一种判断移动模拟电视视频信号畸变的方法和装置 |
CN104363524A (zh) * | 2014-10-30 | 2015-02-18 | 成都康特电子高新科技有限责任公司 | 具有路权管理功能的视频加扰系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000004717A1 (en) * | 1998-07-17 | 2000-01-27 | Thomson Licensing S.A. | A conditional access system for broadcast digital television |
CN1275031A (zh) * | 2000-07-07 | 2000-11-29 | 北京清大厚德科技有限公司 | 一种有线电视加解扰的方法 |
CN2433793Y (zh) * | 2000-08-15 | 2001-06-06 | 成都贝海通讯有限公司 | 多功能基准信号源 |
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- 2004-09-13 CN CNB2004100095506A patent/CN100385943C/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000004717A1 (en) * | 1998-07-17 | 2000-01-27 | Thomson Licensing S.A. | A conditional access system for broadcast digital television |
CN1275031A (zh) * | 2000-07-07 | 2000-11-29 | 北京清大厚德科技有限公司 | 一种有线电视加解扰的方法 |
CN2433793Y (zh) * | 2000-08-15 | 2001-06-06 | 成都贝海通讯有限公司 | 多功能基准信号源 |
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CN1620139A (zh) | 2005-05-25 |
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ASS | Succession or assignment of patent right |
Owner name: BEIJING ORIENTAL GUANGSHI SCIENCE AND TECHNOLOGY Free format text: FORMER OWNER: WANG JINYU Effective date: 20060714 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20060714 Address after: 102206, 9, Zhenxing Road, Changping District science and Technology Park, Beijing Applicant after: Beijing OrientView Technology Ltd. Address before: 100044 Beijing Haidian District Zizhuyuan Road No. 1 Building No. 1, 1501 yuan Dhi Villa Applicant before: Wang Jinyu |
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Effective date of registration: 20090612 Pledge (preservation): Pledge |
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ASS | Succession or assignment of patent right |
Owner name: BEIJING ORIENT VIEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING DONGFANG GUANGSHI SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20100518 |
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Free format text: CORRECT: ADDRESS; FROM: 102206 NO.9, ZHENXING ROAD, SCI-TECH PARK, CHANGPING DISTRICT, BEIJING TO: 102206 NO.7, LIYE ROAD, BEIJING INTERNATIONAL INFORMATION TECHNOLOGY INDUSTRY BASE, HUILONGGUAN, CHANGPING DISTRICT, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20100518 Address after: 102206, No. 7, Liye Road, Huilongguan international information industry base, Changping District, Beijing, Beijing Patentee after: Beijing Orient View Technology Co., Ltd. Address before: 102206, 9, Zhenxing Road, Changping District science and Technology Park, Beijing Patentee before: Beijing OrientView Technology Ltd. |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20111125 Granted publication date: 20080430 Pledgee: Zhongyuan Guoxin credit Company limited by guarantee Pledgor: Beijing OrientView Technology Ltd. Registration number: 2009110000560 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method of implementing interference addition or substraction to wired television signal Effective date of registration: 20120712 Granted publication date: 20080430 Pledgee: Beijing's first investment Company Limited by Guarantee Pledgor: Beijing OrientView Technology Ltd. Registration number: 2012990000367 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140321 Granted publication date: 20080430 Pledgee: Beijing first financing Company limited by guarantee Pledgor: Beijing OrientView Technology Ltd. Registration number: 2012990000367 |
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PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20140321 Registration number: 2012990000367 Pledgee after: Beijing first financing Company limited by guarantee Pledgee before: Beijing's first investment Company Limited by Guarantee |