DE69233174D1 - Verfahren und Vorrichtung zur Videosignalverschlüsselung und -entschlüsselung mit Kantenfüllung - Google Patents

Verfahren und Vorrichtung zur Videosignalverschlüsselung und -entschlüsselung mit Kantenfüllung

Info

Publication number
DE69233174D1
DE69233174D1 DE69233174T DE69233174T DE69233174D1 DE 69233174 D1 DE69233174 D1 DE 69233174D1 DE 69233174 T DE69233174 T DE 69233174T DE 69233174 T DE69233174 T DE 69233174T DE 69233174 D1 DE69233174 D1 DE 69233174D1
Authority
DE
Germany
Prior art keywords
video
location
sync signal
active
video signal
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.)
Expired - Fee Related
Application number
DE69233174T
Other languages
English (en)
Other versions
DE69233174T2 (de
Inventor
John O Ryan
Ronald Quan
James R Holzgrafe
Peter J Wonfor
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.)
Rovi Corp
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
Application granted granted Critical
Publication of DE69233174D1 publication Critical patent/DE69233174D1/de
Publication of DE69233174T2 publication Critical patent/DE69233174T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE69233174T 1991-11-19 1992-11-13 Verfahren und Vorrichtung zur Videosignalverschlüsselung und -entschlüsselung mit Kantenfüllung Expired - Fee Related DE69233174T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79589091A 1991-11-19 1991-11-19
US795890 1991-11-19

Publications (2)

Publication Number Publication Date
DE69233174D1 true DE69233174D1 (de) 2003-10-02
DE69233174T2 DE69233174T2 (de) 2004-05-27

Family

ID=25166710

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69233495T Expired - Fee Related DE69233495T2 (de) 1991-11-19 1992-11-13 Verfahren und Gerät zum Verschlüsseln von Videosignalen mit Ausfüllung von Signalkanten
DE69233174T Expired - Fee Related DE69233174T2 (de) 1991-11-19 1992-11-13 Verfahren und Vorrichtung zur Videosignalverschlüsselung und -entschlüsselung mit Kantenfüllung
DE69233682T Expired - Lifetime DE69233682T2 (de) 1991-11-19 1992-11-13 Verfahren und Gerät zum Verschleiern eines FBAS-Videosignals durch Wackeln von Synchronisierungssignalen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69233495T Expired - Fee Related DE69233495T2 (de) 1991-11-19 1992-11-13 Verfahren und Gerät zum Verschlüsseln von Videosignalen mit Ausfüllung von Signalkanten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69233682T Expired - Lifetime DE69233682T2 (de) 1991-11-19 1992-11-13 Verfahren und Gerät zum Verschleiern eines FBAS-Videosignals durch Wackeln von Synchronisierungssignalen

Country Status (15)

Country Link
US (7) US5438620A (de)
EP (3) EP0543294B9 (de)
JP (4) JP2823756B2 (de)
KR (1) KR950009457B1 (de)
CN (7) CN1035652C (de)
AT (3) ATE354256T1 (de)
AU (9) AU658014B2 (de)
BR (1) BR9204414A (de)
CA (1) CA2082675C (de)
DE (3) DE69233495T2 (de)
ES (1) ES2206442T3 (de)
HK (3) HK1013384A1 (de)
MX (1) MX9206694A (de)
SG (1) SG48440A1 (de)
TW (1) TW206299B (de)

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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
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US7178030B2 (en) * 2000-10-25 2007-02-13 Tecsec, Inc. Electronically signing a document
US7356051B2 (en) * 2001-01-24 2008-04-08 Broadcom Corporation Digital visual interface with audio and auxiliary data cross reference to related applications
US20030009730A1 (en) * 2001-06-16 2003-01-09 Chen Michael Y. Enhanced platform based SOC design including exended peripheral selection and automated IP customization facilitation
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
US7236683B2 (en) * 2001-11-15 2007-06-26 Macrovision Corporation Method and apparatus for providing or enhancing copy protection by adding selected negative-going and positive-going pulses in a video signal HBI
US20050111661A1 (en) * 2002-02-01 2005-05-26 Arie Wijnen Anti-copy protection for a video signal
GB2390247B (en) 2002-06-28 2006-04-12 Dwight Cavendish Systems Ltd An improved method and apparatus for providing an anti-copy video signal
JP4214454B2 (ja) * 2002-12-13 2009-01-28 ソニー株式会社 映像信号処理システム、映像信号処理装置および方法、記録媒体、並びにプログラム
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US20040258241A1 (en) * 2003-06-23 2004-12-23 Chien-Liang Chang Processing method and device for image encryption and decryption
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
US7958524B2 (en) * 2003-10-16 2011-06-07 Maxxian Technology Inc. Method and system for detecting and preventing unauthorized signal usage in a content delivery network
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EP2797334A1 (de) 2013-04-26 2014-10-29 Nagravision S.A. Verfahren und Vorrichtung zur Einbettung von Wasserzeichen in nicht komprimierten Videodaten
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
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Also Published As

Publication number Publication date
CN1159709A (zh) 1997-09-17
EP1233621A2 (de) 2002-08-21
AU685199B2 (en) 1998-01-15
ATE354256T1 (de) 2007-03-15
CN1035652C (zh) 1997-08-13
AU1027195A (en) 1995-03-23
CN1159710A (zh) 1997-09-17
EP0543294B1 (de) 2003-08-27
HK1013384A1 (en) 1999-08-20
EP1233620A1 (de) 2002-08-21
JP2000083234A (ja) 2000-03-21
CN1130912C (zh) 2003-12-10
US5844988A (en) 1998-12-01
US5579390A (en) 1996-11-26
AU2721992A (en) 1993-05-20
CN1072810A (zh) 1993-06-02
CN1159708A (zh) 1997-09-17
JP2823756B2 (ja) 1998-11-11
JP2000083235A (ja) 2000-03-21
AU1027395A (en) 1995-03-23
CA2082675A1 (en) 1993-05-20
CN1119899C (zh) 2003-08-27
EP1233620B1 (de) 2007-02-14
CN1110201C (zh) 2003-05-28
HK1047840A1 (zh) 2003-03-07
DE69233174T2 (de) 2004-05-27
HK1047841A1 (zh) 2003-03-07
EP1233621B1 (de) 2005-03-23
JPH06105308A (ja) 1994-04-15
AU685542B2 (en) 1998-01-22
AU1027595A (en) 1995-03-23
ATE291814T1 (de) 2005-04-15
BR9204414A (pt) 1993-05-25
JP3413026B2 (ja) 2003-06-03
AU1027095A (en) 1995-03-23
CN1159707A (zh) 1997-09-17
MX9206694A (es) 1993-11-01
DE69233495T2 (de) 2005-07-28
AU685198B2 (en) 1998-01-15
AU658014B2 (en) 1995-03-30
KR930011486A (ko) 1993-06-24
AU1027795A (en) 1995-03-23
US5438620A (en) 1995-08-01
AU685546B2 (en) 1998-01-22
DE69233682D1 (de) 2007-03-29
EP0543294B9 (de) 2004-03-17
EP1233621A3 (de) 2003-01-02
CN1098595C (zh) 2003-01-08
ATE248482T1 (de) 2003-09-15
DE69233682T2 (de) 2007-06-14
US5608799A (en) 1997-03-04
KR950009457B1 (ko) 1995-08-22
CA2082675C (en) 1999-04-06
CN1159706A (zh) 1997-09-17
US5504815A (en) 1996-04-02
US5841863A (en) 1998-11-24
US5581307A (en) 1996-12-03
ES2206442T3 (es) 2004-05-16
DE69233495D1 (de) 2005-04-28
AU1027695A (en) 1995-03-23
AU685544B2 (en) 1998-01-22
JP3410397B2 (ja) 2003-05-26
TW206299B (de) 1993-05-21
AU1027295A (en) 1995-03-23
CN1159711A (zh) 1997-09-17
CN1148065C (zh) 2004-04-28
AU685197B2 (en) 1998-01-15
JP3135895B2 (ja) 2001-02-19
EP0543294A1 (de) 1993-05-26
CN1102323C (zh) 2003-02-26
JPH09149401A (ja) 1997-06-06
AU685543B2 (en) 1998-01-22
AU685545B2 (en) 1998-01-22
AU1027495A (en) 1995-03-23
SG48440A1 (en) 1998-04-17

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