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 PDF

Info

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
Application number
CA002476252A
Other languages
English (en)
Other versions
CA2476252C (fr
Inventor
Ronald Quan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adeia Media LLC
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/062,866 external-priority patent/US5583936A/en
Application filed by Individual filed Critical Individual
Publication of CA2476252A1 publication Critical patent/CA2476252A1/fr
Application granted granted Critical
Publication of CA2476252C publication Critical patent/CA2476252C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
CA002476252A 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 Expired - Lifetime CA2476252C (fr)

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)

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

Similar Documents

Publication Publication Date Title
GR3032183T3 (en) Video copy protection process enhancement to introduce horizontal and vertical picture distortions
CA2179031A1 (fr) Systeme d'incrustation d'une image dans une suite de donnees video
SG52717A1 (en) Video display adjustment and on-screen menu system
AU6298794A (en) Apparatus and method for detecting, identifying and incorporating advertisements in a video
AU2001243599A1 (en) A dynamic video copy protection system
MY132893A (en) Protection of a component video signal
TW331693B (en) Treating and decoding of a Video signal
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