TW384616B - Protection of a component video signal - Google Patents
Protection of a component video signal Download PDFInfo
- Publication number
- TW384616B TW384616B TW087110570A TW87110570A TW384616B TW 384616 B TW384616 B TW 384616B TW 087110570 A TW087110570 A TW 087110570A TW 87110570 A TW87110570 A TW 87110570A TW 384616 B TW384616 B TW 384616B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- patent application
- horizontal
- synchronization
- pulse
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 64
- 239000002131 composite material Substances 0.000 claims abstract 6
- 230000004048 modification Effects 0.000 claims description 33
- 238000012986 modification Methods 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 17
- 230000002079 cooperative effect Effects 0.000 claims description 10
- 238000012217 deletion Methods 0.000 claims description 9
- 230000037430 deletion Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008034 disappearance Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000001934 delay Effects 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 230000008520 organization Effects 0.000 claims 1
- 230000008439 repair process Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 31
- 230000008030 elimination Effects 0.000 description 8
- 238000003379 elimination reaction Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 235000015170 shellfish Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Glass Compositions (AREA)
- Details Of Television Scanning (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5131297P | 1997-06-30 | 1997-06-30 | |
| US5657097P | 1997-08-21 | 1997-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW384616B true TW384616B (en) | 2000-03-11 |
Family
ID=26729283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087110570A TW384616B (en) | 1997-06-30 | 1998-06-30 | Protection of a component video signal |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6404889B1 (enExample) |
| EP (1) | EP0995310B1 (enExample) |
| JP (1) | JP4280837B2 (enExample) |
| AT (1) | ATE240020T1 (enExample) |
| AU (1) | AU8146998A (enExample) |
| CA (1) | CA2295123C (enExample) |
| DE (1) | DE69814392T2 (enExample) |
| DK (1) | DK0995310T3 (enExample) |
| ES (1) | ES2199446T3 (enExample) |
| MY (1) | MY132893A (enExample) |
| PT (1) | PT995310E (enExample) |
| TW (1) | TW384616B (enExample) |
| WO (1) | WO1999000977A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6836549B1 (en) * | 1998-09-02 | 2004-12-28 | Macrovision Corporation | Method and apparatus for synthesizing and reducing the effects of video copy protection signals |
| JP3405306B2 (ja) * | 1999-11-26 | 2003-05-12 | 日本ビクター株式会社 | 情報伝送方法、情報伝送装置、再生装置、受信装置及び記録媒体 |
| JP2001245270A (ja) * | 2000-02-29 | 2001-09-07 | Sony Corp | 信号伝送装置および信号伝送方法 |
| KR100351816B1 (ko) * | 2000-03-24 | 2002-09-11 | 엘지전자 주식회사 | 포맷 변환 장치 |
| JP3719974B2 (ja) * | 2001-11-26 | 2005-11-24 | 株式会社アドバンスト・ディスプレイ | 液晶駆動装置 |
| US7088823B2 (en) * | 2002-01-09 | 2006-08-08 | International Business Machines Corporation | System and method for secure distribution and evaluation of compressed digital information |
| US20050111661A1 (en) | 2002-02-01 | 2005-05-26 | Arie Wijnen | Anti-copy protection for a video signal |
| GB2387497B (en) * | 2002-02-01 | 2004-12-08 | Dwight Cavendish Systems Ltd | Anti-copy protection for a video signal |
| US20030159049A1 (en) * | 2002-02-21 | 2003-08-21 | Koninklijke Philips Electronics N.V. | Copy-protection by alteration of control signals |
| JP3789838B2 (ja) * | 2002-03-26 | 2006-06-28 | 三洋電機株式会社 | 表示装置 |
| GB2390247B (en) * | 2002-06-28 | 2006-04-12 | Dwight Cavendish Systems Ltd | An improved method and apparatus for providing an anti-copy video signal |
| GB0312985D0 (en) | 2003-06-05 | 2003-07-09 | Dwight Cavendish Systems Ltd | Digital processing disruption systems |
| GB2419220B (en) | 2004-10-13 | 2009-06-03 | Dwight Cavendish Systems Ltd | Audio copy protection system |
| US7784103B2 (en) * | 2004-10-19 | 2010-08-24 | Rovi Solutions Corporation | Method and apparatus for storing copy protection information separately from protected content |
| US7907727B2 (en) * | 2004-10-19 | 2011-03-15 | Rovi Solutions Corporation | System and method for allowing copying or distribution of a copy protected signal |
| TWI307081B (en) * | 2005-03-24 | 2009-03-01 | Via Tech Inc | Multi-view video switch control method and system |
| US8428258B2 (en) * | 2007-05-02 | 2013-04-23 | Rovi Technologies Corporation | Method and apparatus for providing content control via detection of modifications to a signal |
| US8306403B2 (en) | 2010-03-29 | 2012-11-06 | Rovi Technologies Corporation | Content control via guide data and/or metadata |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4179705A (en) | 1978-03-13 | 1979-12-18 | Faroudja Y C | Method and apparatus for separation of chrominance and luminance with adaptive comb filtering in a quadrature modulated color television system |
| US4617597A (en) | 1978-04-19 | 1986-10-14 | Quanticon Inc. | Compatible color television with regenerable signals |
| US4325079A (en) * | 1980-06-09 | 1982-04-13 | Little William D | Secure video transmission system |
| US4965825A (en) * | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
| US4641186A (en) | 1984-05-03 | 1987-02-03 | Rca Corporation | Motion detector that extracts motion information from sidebands of a baseband television signal |
| AU658014B2 (en) * | 1991-11-19 | 1995-03-30 | Macrovision Corporation | Method and apparatus for scrambling and descrambling of video signals with edge fill |
| US5394470A (en) | 1992-08-24 | 1995-02-28 | Eidak Corporation | Horizontal pulse augmentation of a video signal |
| CN1118192C (zh) | 1995-10-17 | 2003-08-13 | 麦克罗维西恩公司 | 用于消除视频信号内的复制保护信号的影响的方法与装置 |
-
1997
- 1997-10-13 US US08/949,274 patent/US6404889B1/en not_active Expired - Lifetime
-
1998
- 1998-06-16 AT AT98931314T patent/ATE240020T1/de active
- 1998-06-16 ES ES98931314T patent/ES2199446T3/es not_active Expired - Lifetime
- 1998-06-16 EP EP98931314A patent/EP0995310B1/en not_active Expired - Lifetime
- 1998-06-16 AU AU81469/98A patent/AU8146998A/en not_active Abandoned
- 1998-06-16 CA CA002295123A patent/CA2295123C/en not_active Expired - Fee Related
- 1998-06-16 WO PCT/US1998/012558 patent/WO1999000977A1/en not_active Ceased
- 1998-06-16 JP JP50558799A patent/JP4280837B2/ja not_active Expired - Fee Related
- 1998-06-16 DE DE69814392T patent/DE69814392T2/de not_active Expired - Lifetime
- 1998-06-16 DK DK98931314T patent/DK0995310T3/da active
- 1998-06-16 PT PT98931314T patent/PT995310E/pt unknown
- 1998-06-22 MY MYPI98002824A patent/MY132893A/en unknown
- 1998-06-30 TW TW087110570A patent/TW384616B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US6404889B1 (en) | 2002-06-11 |
| EP0995310B1 (en) | 2003-05-07 |
| JP4280837B2 (ja) | 2009-06-17 |
| MY132893A (en) | 2007-10-31 |
| CA2295123A1 (en) | 1999-01-07 |
| EP0995310A1 (en) | 2000-04-26 |
| PT995310E (pt) | 2003-09-30 |
| AU8146998A (en) | 1999-01-19 |
| JP2002507357A (ja) | 2002-03-05 |
| DE69814392D1 (de) | 2003-06-12 |
| DE69814392T2 (de) | 2004-03-11 |
| DK0995310T3 (da) | 2003-07-21 |
| CA2295123C (en) | 2002-11-26 |
| ATE240020T1 (de) | 2003-05-15 |
| WO1999000977A1 (en) | 1999-01-07 |
| ES2199446T3 (es) | 2004-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |