CA2476252A1 - Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images - Google Patents
Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images Download PDFInfo
- Publication number
- CA2476252A1 CA2476252A1 CA002476252A CA2476252A CA2476252A1 CA 2476252 A1 CA2476252 A1 CA 2476252A1 CA 002476252 A CA002476252 A CA 002476252A CA 2476252 A CA2476252 A CA 2476252A CA 2476252 A1 CA2476252 A1 CA 2476252A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- enhancement
- video
- copy protection
- protection process
- 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.)
- Granted
Links
Landscapes
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/062,866 US5583936A (en) | 1993-05-17 | 1993-05-17 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
| US062,866 | 1993-05-17 | ||
| CA002162367A CA2162367C (fr) | 1993-05-17 | 1994-05-09 | Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002162367A Division CA2162367C (fr) | 1993-05-17 | 1994-05-09 | Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2476252A1 true CA2476252A1 (fr) | 1994-11-24 |
| CA2476252C CA2476252C (fr) | 2005-04-05 |
Family
ID=25678207
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002417180A Expired - Lifetime CA2417180C (fr) | 1993-05-17 | 1994-05-09 | Methode et dispositif pour reduire le processus de protection contre la copie par une augmentation relative dans de synchronisation composite |
| CA002476252A Expired - Lifetime CA2476252C (fr) | 1993-05-17 | 1994-05-09 | Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images |
| CA002417176A Expired - Lifetime CA2417176C (fr) | 1993-05-17 | 1994-05-09 | Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002417180A Expired - Lifetime CA2417180C (fr) | 1993-05-17 | 1994-05-09 | Methode et dispositif pour reduire le processus de protection contre la copie par une augmentation relative dans de synchronisation composite |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002417176A Expired - Lifetime CA2417176C (fr) | 1993-05-17 | 1994-05-09 | Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images |
Country Status (1)
| Country | Link |
|---|---|
| CA (3) | CA2417180C (fr) |
-
1994
- 1994-05-09 CA CA002417180A patent/CA2417180C/fr not_active Expired - Lifetime
- 1994-05-09 CA CA002476252A patent/CA2476252C/fr not_active Expired - Lifetime
- 1994-05-09 CA CA002417176A patent/CA2417176C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2417176A1 (fr) | 1994-11-24 |
| CA2417180A1 (fr) | 1994-11-24 |
| CA2417176C (fr) | 2005-02-01 |
| CA2476252C (fr) | 2005-04-05 |
| CA2417180C (fr) | 2005-08-02 |
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| Publication | Publication Date | Title |
|---|---|---|
| GR3032183T3 (en) | Video copy protection process enhancement to introduce horizontal and vertical picture distortions | |
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| CA2027054A1 (fr) | Recepteur de signaux de television | |
| GB2285158B (en) | Large screen video display system and television receiver | |
| CA2476252A1 (fr) | Methode amelioree de protection des enregistrements video contre les duplications qui introduit des distorsions horizontales et verticales dans les images | |
| AU2002243362A1 (en) | Method and apparatus for identifying a vertical blanking interval in a television signal | |
| GB9126118D0 (en) | Horizontal and vertical blanking in video signals | |
| MY108648A (en) | A television system having an ultrablack video signal blanking level for an on-screen character display. | |
| AU7506398A (en) | Video copy protection process enhancement to introduce horizontal and vertical picture distortions | |
| IN191905B (fr) | ||
| JPS5235934A (en) | Processing system of color television signal | |
| KR930007250A (ko) | 자막 스틸 제어 시스템의 노말/스틸 모드 제어방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20140509 |