KR100253030B1 - 울트라 블랙 비디오 신호소거 레벨을 갖는 온-스크린 문자 디스플레이용 텔레비젼 시스템 - Google Patents

울트라 블랙 비디오 신호소거 레벨을 갖는 온-스크린 문자 디스플레이용 텔레비젼 시스템 Download PDF

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Publication number
KR100253030B1
KR100253030B1 KR1019920007149A KR920007149A KR100253030B1 KR 100253030 B1 KR100253030 B1 KR 100253030B1 KR 1019920007149 A KR1019920007149 A KR 1019920007149A KR 920007149 A KR920007149 A KR 920007149A KR 100253030 B1 KR100253030 B1 KR 100253030B1
Authority
KR
South Korea
Prior art keywords
signal
character
level
erase
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
KR1019920007149A
Other languages
English (en)
Korean (ko)
Inventor
용현김
Original Assignee
데니스 에이치. 어얼벡
톰슨 콘슈머 일렉트로닉스, 소시에떼아노님
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 GB919109613A external-priority patent/GB9109613D0/en
Application filed by 데니스 에이치. 어얼벡, 톰슨 콘슈머 일렉트로닉스, 소시에떼아노님 filed Critical 데니스 에이치. 어얼벡
Application granted granted Critical
Publication of KR100253030B1 publication Critical patent/KR100253030B1/ko
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
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • 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)
  • Computer Graphics (AREA)
  • Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Studio Circuits (AREA)
KR1019920007149A 1991-05-03 1992-04-28 울트라 블랙 비디오 신호소거 레벨을 갖는 온-스크린 문자 디스플레이용 텔레비젼 시스템 Expired - Fee Related KR100253030B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB919109613A GB9109613D0 (en) 1991-05-03 1991-05-03 A television system having an ultrablack video signal blanking level for an on-screen character display
GB9109613.1 1991-05-03
US07/696,489 US5206728A (en) 1991-05-03 1991-05-06 Television system having an ultrablack video signal blanking level for an on-screen character display
US696,489 1991-05-06

Publications (1)

Publication Number Publication Date
KR100253030B1 true KR100253030B1 (ko) 2000-04-15

Family

ID=26298834

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920007149A Expired - Fee Related KR100253030B1 (ko) 1991-05-03 1992-04-28 울트라 블랙 비디오 신호소거 레벨을 갖는 온-스크린 문자 디스플레이용 텔레비젼 시스템

Country Status (14)

Country Link
EP (1) EP0512332B1 (enExample)
JP (1) JP2929048B2 (enExample)
KR (1) KR100253030B1 (enExample)
CN (1) CN1041783C (enExample)
BR (1) BR9201601A (enExample)
CA (1) CA2065651C (enExample)
DE (1) DE69214713T2 (enExample)
ES (1) ES2095979T3 (enExample)
HU (1) HUT63283A (enExample)
MX (1) MX9202052A (enExample)
MY (1) MY108648A (enExample)
PL (1) PL169140B1 (enExample)
SG (1) SG55050A1 (enExample)
TR (1) TR26287A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09135403A (ja) 1995-11-09 1997-05-20 Sony Corp 画像表示装置
US6808268B2 (en) * 2001-09-18 2004-10-26 Provision Entertainment, Inc. Projection system for aerial display of three-dimensional video images
KR100449744B1 (ko) * 2002-10-21 2004-09-22 삼성전자주식회사 영상 처리 장치에서의 화면 밝기 제어 방법 및 장치
EP1691546A1 (en) 2005-02-11 2006-08-16 Harman Becker Automotive Systems GmbH Brightness controller and method for adjusting the brightness of a video signal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578130A1 (fr) * 1985-02-28 1986-08-29 Rca Corp Appareil et procede de superposition d'images video
JPS63287178A (ja) * 1987-05-20 1988-11-24 Hitachi Ltd 画面表示回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US338624A (en) * 1886-03-23 Nut-lock
US4338624A (en) * 1981-01-05 1982-07-06 Zenith Radio Corporation On screen color display

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578130A1 (fr) * 1985-02-28 1986-08-29 Rca Corp Appareil et procede de superposition d'images video
JPS63287178A (ja) * 1987-05-20 1988-11-24 Hitachi Ltd 画面表示回路

Also Published As

Publication number Publication date
HUT63283A (en) 1993-07-28
BR9201601A (pt) 1992-12-15
TR26287A (tr) 1995-02-15
JP2929048B2 (ja) 1999-08-03
ES2095979T3 (es) 1997-03-01
EP0512332B1 (en) 1996-10-23
EP0512332A3 (en) 1993-05-19
EP0512332A2 (en) 1992-11-11
DE69214713D1 (de) 1996-11-28
MX9202052A (es) 1992-11-01
CA2065651A1 (en) 1992-11-04
MY108648A (en) 1996-10-31
PL169140B1 (pl) 1996-06-28
SG55050A1 (en) 1998-12-21
JPH05191741A (ja) 1993-07-30
DE69214713T2 (de) 1997-03-13
CA2065651C (en) 1994-08-23
CN1066550A (zh) 1992-11-25
PL294380A1 (enExample) 1993-02-08
CN1041783C (zh) 1999-01-20

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