SG48440A1 - Method and apparatus for scrambling and descrambling of video signals with edge fill - Google Patents

Method and apparatus for scrambling and descrambling of video signals with edge fill

Info

Publication number
SG48440A1
SG48440A1 SG1996009719A SG1996009719A SG48440A1 SG 48440 A1 SG48440 A1 SG 48440A1 SG 1996009719 A SG1996009719 A SG 1996009719A SG 1996009719 A SG1996009719 A SG 1996009719A SG 48440 A1 SG48440 A1 SG 48440A1
Authority
SG
Singapore
Prior art keywords
video
location
sync signal
active
colorburst
Prior art date
Application number
SG1996009719A
Other languages
English (en)
Inventor
John O Ryan
Ronald Quan
James R Holzgrafe
Peter J Wonfor
Original Assignee
Macrovision Corp
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
Application filed by Macrovision Corp filed Critical Macrovision Corp
Publication of SG48440A1 publication Critical patent/SG48440A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1696—Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Studio Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
SG1996009719A 1991-11-19 1992-11-13 Method and apparatus for scrambling and descrambling of video signals with edge fill SG48440A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79589091A 1991-11-19 1991-11-19

Publications (1)

Publication Number Publication Date
SG48440A1 true SG48440A1 (en) 1998-04-17

Family

ID=25166710

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996009719A SG48440A1 (en) 1991-11-19 1992-11-13 Method and apparatus for scrambling and descrambling of video signals with edge fill

Country Status (15)

Country Link
US (7) US5438620A (zh)
EP (3) EP0543294B9 (zh)
JP (4) JP2823756B2 (zh)
KR (1) KR950009457B1 (zh)
CN (7) CN1035652C (zh)
AT (3) ATE354256T1 (zh)
AU (9) AU658014B2 (zh)
BR (1) BR9204414A (zh)
CA (1) CA2082675C (zh)
DE (3) DE69233174T2 (zh)
ES (1) ES2206442T3 (zh)
HK (3) HK1047840A1 (zh)
MX (1) MX9206694A (zh)
SG (1) SG48440A1 (zh)
TW (1) TW206299B (zh)

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BR9912312A (pt) * 1998-07-22 2001-05-08 Macrovision Corp Método e aparelho para gerar um sinal que anula os decodificadores a cabo ilegais
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US6950520B1 (en) 1999-01-26 2005-09-27 Macrovision Corporation Method and apparatus for carrying data in a video signal so that the data is not recorded
JP4395920B2 (ja) 1999-05-14 2010-01-13 ソニー株式会社 映像信号出力装置、及び映像信号入力装置
US6996236B1 (en) * 1999-10-20 2006-02-07 Microsoft Corporation Methods and apparatus for protecting signals transmitted between a source and destination device over multiple signal lines
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US7178030B2 (en) * 2000-10-25 2007-02-13 Tecsec, Inc. Electronically signing a document
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US7979914B2 (en) * 2001-06-25 2011-07-12 Audible, Inc. Time-based digital content authorization
US7209557B2 (en) * 2001-10-18 2007-04-24 Lenovo Singapore Pte, Ltd Apparatus and method for computer screen security
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US8191160B2 (en) * 2003-10-16 2012-05-29 Rene Juneau Method and system for auditing and correcting authorization inconsistencies for reception equipment in a content delivery network
EP1680887A4 (en) * 2003-10-16 2013-06-26 Maxxian Technology Inc METHOD AND SYSTEM FOR DETECTING AND PREVENTING UNAUTHORIZED SIGNAL USE IN A CONTENT DELIVERY NETWORK
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US8842352B2 (en) * 2006-08-17 2014-09-23 Texas Instruments Incorporated Method to improve scan-line alignment by adjusting the pixel rate
JP2010193119A (ja) * 2009-02-18 2010-09-02 Oki Electric Ind Co Ltd 画像情報盗取の防止方法、及び、当該防止方法を実現するためのグラフィックコントローラ
US7952508B2 (en) * 2009-09-02 2011-05-31 Conexant Systems, Inc. Noise-shaped scrambler for reduced out-of-band common-mode interference
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EP2797334A1 (en) 2013-04-26 2014-10-29 Nagravision S.A. Method and device to embed watermark in uncompressed video data
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CN104853212B (zh) * 2015-05-05 2018-02-16 福州瑞芯微电子股份有限公司 一种视频解码器缓存高效率处理的装置及其方法
US20220103165A1 (en) * 2018-12-27 2022-03-31 Ams International Ag Filters for removing disturbances from signals
KR102170912B1 (ko) * 2019-05-15 2020-10-28 한국과학기술원 얼굴 피부 컬러 판정을 위한 인물 영상 촬영 용 컬러 팔레트 및 그를 이용한 방법 및 장치
TWI758675B (zh) * 2019-12-31 2022-03-21 新唐科技股份有限公司 微控制電路及印刷電路板
IT202000004231A1 (it) * 2020-02-28 2021-08-28 St Microelectronics Srl Generatore di forme d'onda

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Also Published As

Publication number Publication date
DE69233682T2 (de) 2007-06-14
AU1027295A (en) 1995-03-23
CN1119899C (zh) 2003-08-27
EP1233620B1 (en) 2007-02-14
KR930011486A (ko) 1993-06-24
AU1027595A (en) 1995-03-23
JP2823756B2 (ja) 1998-11-11
AU658014B2 (en) 1995-03-30
HK1047840A1 (zh) 2003-03-07
DE69233495T2 (de) 2005-07-28
AU685199B2 (en) 1998-01-15
AU685198B2 (en) 1998-01-15
AU2721992A (en) 1993-05-20
CN1072810A (zh) 1993-06-02
ATE291814T1 (de) 2005-04-15
ATE248482T1 (de) 2003-09-15
CN1159710A (zh) 1997-09-17
EP0543294B1 (en) 2003-08-27
CN1159708A (zh) 1997-09-17
JPH06105308A (ja) 1994-04-15
CN1148065C (zh) 2004-04-28
JP3413026B2 (ja) 2003-06-03
AU1027195A (en) 1995-03-23
AU1027495A (en) 1995-03-23
CN1159706A (zh) 1997-09-17
ATE354256T1 (de) 2007-03-15
CN1159709A (zh) 1997-09-17
CN1159707A (zh) 1997-09-17
JPH09149401A (ja) 1997-06-06
US5844988A (en) 1998-12-01
CA2082675C (en) 1999-04-06
TW206299B (zh) 1993-05-21
JP3135895B2 (ja) 2001-02-19
DE69233495D1 (de) 2005-04-28
AU685197B2 (en) 1998-01-15
HK1013384A1 (en) 1999-08-20
CN1098595C (zh) 2003-01-08
EP0543294B9 (en) 2004-03-17
CN1110201C (zh) 2003-05-28
DE69233174T2 (de) 2004-05-27
JP3410397B2 (ja) 2003-05-26
AU685543B2 (en) 1998-01-22
AU685545B2 (en) 1998-01-22
EP1233621B1 (en) 2005-03-23
AU685546B2 (en) 1998-01-22
CN1102323C (zh) 2003-02-26
CA2082675A1 (en) 1993-05-20
EP1233620A1 (en) 2002-08-21
HK1047841A1 (zh) 2003-03-07
US5504815A (en) 1996-04-02
AU1027695A (en) 1995-03-23
MX9206694A (es) 1993-11-01
US5438620A (en) 1995-08-01
ES2206442T3 (es) 2004-05-16
JP2000083234A (ja) 2000-03-21
KR950009457B1 (ko) 1995-08-22
AU685544B2 (en) 1998-01-22
BR9204414A (pt) 1993-05-25
AU1027095A (en) 1995-03-23
AU685542B2 (en) 1998-01-22
EP1233621A3 (en) 2003-01-02
EP1233621A2 (en) 2002-08-21
CN1130912C (zh) 2003-12-10
JP2000083235A (ja) 2000-03-21
US5841863A (en) 1998-11-24
US5579390A (en) 1996-11-26
AU1027395A (en) 1995-03-23
DE69233682D1 (de) 2007-03-29
CN1159711A (zh) 1997-09-17
US5581307A (en) 1996-12-03
DE69233174D1 (de) 2003-10-02
AU1027795A (en) 1995-03-23
CN1035652C (zh) 1997-08-13
US5608799A (en) 1997-03-04
EP0543294A1 (en) 1993-05-26

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