HK1018869A1 - Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system - Google Patents

Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system

Info

Publication number
HK1018869A1
HK1018869A1 HK99103720A HK99103720A HK1018869A1 HK 1018869 A1 HK1018869 A1 HK 1018869A1 HK 99103720 A HK99103720 A HK 99103720A HK 99103720 A HK99103720 A HK 99103720A HK 1018869 A1 HK1018869 A1 HK 1018869A1
Authority
HK
Hong Kong
Prior art keywords
coring
video
color
chroma
subcarrier
Prior art date
Application number
HK99103720A
Other languages
English (en)
Inventor
Ronald Quan
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 HK1018869A1 publication Critical patent/HK1018869A1/xx

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
    • H04N7/169—Systems operating in the time domain of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
  • Studio Circuits (AREA)
  • Television Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
HK99103720A 1996-06-17 1999-08-30 Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system HK1018869A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1158496P 1996-06-17 1996-06-17
PCT/US1997/010487 WO1997049247A1 (en) 1996-06-17 1997-06-17 Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system

Publications (1)

Publication Number Publication Date
HK1018869A1 true HK1018869A1 (en) 2000-01-07

Family

ID=21751061

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99103720A HK1018869A1 (en) 1996-06-17 1999-08-30 Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system

Country Status (14)

Country Link
EP (1) EP0906697B1 (xx)
JP (1) JP3378914B2 (xx)
KR (1) KR100304041B1 (xx)
CN (1) CN1148966C (xx)
AT (1) ATE205655T1 (xx)
AU (1) AU713958B2 (xx)
BR (1) BR9710715A (xx)
CA (1) CA2256617C (xx)
DE (1) DE69706680D1 (xx)
HK (1) HK1018869A1 (xx)
MX (1) MX221553B (xx)
NZ (1) NZ332756A (xx)
RU (1) RU2154919C1 (xx)
WO (1) WO1997049247A1 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1470656B1 (en) 2002-01-30 2008-08-27 Lg Electronics Inc. Method for scrambling packet data using variable slot length and apparatus thereof
US7558405B2 (en) * 2005-06-30 2009-07-07 Nokia Corporation Motion filtering for video stabilization
KR20070012047A (ko) 2005-07-22 2007-01-25 삼성전자주식회사 디지털 영상처리장치 및 그 제어방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768984A (en) * 1980-10-16 1982-04-27 Toshiba Corp Chroma signal processing circuit
JPS63142997A (ja) * 1986-12-05 1988-06-15 Mitsubishi Electric Corp カラ−テレビジヨン信号秘匿伝送装置
AU658014B2 (en) * 1991-11-19 1995-03-30 Macrovision Corporation Method and apparatus for scrambling and descrambling of video signals with edge fill

Also Published As

Publication number Publication date
RU2154919C1 (ru) 2000-08-20
JP3378914B2 (ja) 2003-02-17
AU3398297A (en) 1998-01-07
EP0906697A1 (en) 1999-04-07
EP0906697B1 (en) 2001-09-12
KR100304041B1 (ko) 2001-11-22
AU713958B2 (en) 1999-12-16
CN1222282A (zh) 1999-07-07
BR9710715A (pt) 1999-08-17
MX221553B (es) 2004-07-19
DE69706680D1 (de) 2001-10-18
CN1148966C (zh) 2004-05-05
KR20000016816A (ko) 2000-03-25
NZ332756A (en) 2000-04-28
CA2256617C (en) 2002-01-15
WO1997049247A1 (en) 1997-12-24
ATE205655T1 (de) 2001-09-15
JPH11514817A (ja) 1999-12-14
CA2256617A1 (en) 1997-12-24

Similar Documents

Publication Publication Date Title
WO2002017613A3 (en) Sub picture control apparatus and method for television receiver
CA1300740C (en) Video switching apparatus having interference prevention feature
ES8401702A1 (es) Perfeccionamientos introducidos en una disposicion para tratar una senal de video representativa de imagen en color.
MY105963A (en) Television apparatus with picture in picture processing
HK1018869A1 (en) Method and apparatus for minimizing chroma subcarrier instability caused by a video line scrambling system
US4686561A (en) Vertical detail information restoration circuit
GB2253321A (en) Chrominance filtering system
MXPA04002221A (es) Aparato de procesamiento de senales de video y metodo de procesamiento de senales de video.
US4748500A (en) Device for correcting contours in an image and use of such a device in a color television camera
MX9602118A (es) Aparato de registro/reproduccion de señal de television y metodo con dispositivo de desplazamiento de corriente.
US7190407B2 (en) System, method and apparatus for sandcastle signal generation in a television signal processing device
EP0518465A2 (en) Non-additive video mixer
JPS595794A (ja) ドツト妨害除去装置
KR940006179B1 (ko) 동신호검출방식 및 장치
KR100771527B1 (ko) 비디오 관련 개선으로부터 데이터의 손상을 방지하기 위한방법 및 장치
KR910005801Y1 (ko) Tv의 백폭 제한 회로
CN1226362A (zh) 视频信号处理设备
KR920001111B1 (ko) 디지탈 복합 영상신호로 부터 고해상도 휘도 및 색신호 분리하는 방식
KR0152787B1 (ko) 팔 프러스 브이씨알의 헬퍼 신호 복조 장치
JPS58161482A (ja) カラ−映像信号処理回路
KR19990076726A (ko) 선명도 개선 방법 및 회로
JPS6449487A (en) Luminance signal processing circuit
KR960009645A (ko) 티브이씨알의 블루백화면 안정화방법
JPH0432385A (ja) カラーモニタ装置
JPS5582582A (en) Recording and reproducing unit for color television signal

Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20170616