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KR850003484A - 영상 재생장치 - Google Patents

영상 재생장치 Download PDF

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Publication number
KR850003484A
KR850003484A KR1019840005571A KR840005571A KR850003484A KR 850003484 A KR850003484 A KR 850003484A KR 1019840005571 A KR1019840005571 A KR 1019840005571A KR 840005571 A KR840005571 A KR 840005571A KR 850003484 A KR850003484 A KR 850003484A
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KR
South Korea
Prior art keywords
signal
auxiliary
image
modifying
processing channel
Prior art date
Application number
KR1019840005571A
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English (en)
Other versions
KR920004563B1 (ko
Inventor
칼 센델웩크 지니
Original Assignee
글렌에이취. 브르스틀
알. 씨. 에이 코포레이션
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24139625&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR850003484(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 글렌에이취. 브르스틀, 알. 씨. 에이 코포레이션 filed Critical 글렌에이취. 브르스틀
Publication of KR850003484A publication Critical patent/KR850003484A/ko
Application granted granted Critical
Publication of KR920004563B1 publication Critical patent/KR920004563B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Details Of Television Scanning (AREA)
  • Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음

Description

영상 재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의해 구성된 장치를 사용한 텔레비전 수상기의 일부 계통도 및 개요도, 제2도는 본발명의 다른 실시예에 유용하게 쓰일 수 있는 계통도.

Claims (2)

  1. 방송영상을 나타내는 종래의 텔레비전 영상신호나 문자형태 또는 그래픽을 나타내는 보조영상 신호를 공급하는 스위칭 수단과 상기 종래신호나 보조영상 신호를 처리하는 신호처리 채널 및 상기처리된 종래 영상신호에 응답하는 텔레비젼 영상과 상기 보조신호에 응답하는 문자형태, 또는 그래픽을 재생하는 재생장치를 포함하는 시스템에 있어서, 상기 영상재생 장치에 의해 유입된 전류는 처리된 종래 신호와 보조신호의 위상특성에 응답하며 상기 영상재생 장치에 유입된 상기 전류를 변형하는 장치가, 상기 영상 재생장치에 의해 유입된 상기 전류레벨을 감소시키기 위해 상기 신호처리 채널의 신호전달 특성을 수정하는 상기 신호처리 채널에 결합되어 있는 수단(18)과, 상기 스위칭 수단이 상기 보조 영상신호를 상기 영상처리 채널에 공급할 때마다 제어신호를 발생하는 수단(30) 및 상기 신호전달 특성을 수정하는 수단에 연결되며 상기 제어신호에 응답하여 상기 신호전달 특성 수정수단이 문자형태 또는 그래픽이 표시될 때마다 상기 처리된 보조신호의 위상 특성을 감소시키는 수단(36)을 포함하고 있는 것을 특징으로 하는 영상 재생장치.
  2. 제1항의 장치에 있어서, 상기 수정수단(18)은 상기 영상 재생장치에 의해 재생된 영상의 콘트라스트를 제어하기 위한 수단(20)을 포함하고 있는 것을 특징으로 하는 영상 재생장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840005571A 1983-09-30 1984-09-13 영상 재생 장치에 의해 유입된 전류를 변화시키는 장치 KR920004563B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US536,713 1983-09-30
US06/536,713 US4549217A (en) 1983-09-30 1983-09-30 Automatic contrast reduction circuit for a teletext or monitor operation
US536.713 1983-09-30

Publications (2)

Publication Number Publication Date
KR850003484A true KR850003484A (ko) 1985-06-17
KR920004563B1 KR920004563B1 (ko) 1992-06-08

Family

ID=24139625

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005571A KR920004563B1 (ko) 1983-09-30 1984-09-13 영상 재생 장치에 의해 유입된 전류를 변화시키는 장치

Country Status (9)

Country Link
US (1) US4549217A (ko)
EP (1) EP0136824B2 (ko)
JP (1) JPH07114475B2 (ko)
KR (1) KR920004563B1 (ko)
CA (1) CA1214864A (ko)
CS (1) CS265209B2 (ko)
DE (1) DE3476311D1 (ko)
HK (1) HK2094A (ko)
SG (1) SG109591G (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689668A (en) * 1986-07-14 1987-08-25 Rca Corporation Auxiliary kinescope beam current limiter with plural cascaded low pass filter and peak detector stages
JPH01175378A (ja) * 1987-12-29 1989-07-11 Nec Home Electron Ltd 輝度制御装置
US5021885A (en) * 1989-07-07 1991-06-04 Samsung Electronics Co., Ltd. Automatic brightness limiter
US5847773A (en) * 1991-08-30 1998-12-08 Thomson Consumer Electronics, Inc. Video system including apparatus for deactivating an automatic control arrangement
KR930007260A (ko) * 1991-09-16 1993-04-22 강진구 Tv/ttx 콘트라스트 및 브라이트 공통 제어방법 및 회로
US5204748A (en) * 1991-12-11 1993-04-20 Thomson Consumer Electronics, Inc. Beam current limiting arrangement for a television system with picture-in-picture provisions
GB9201837D0 (en) * 1992-01-27 1992-03-11 Philips Electronic Associated Television receiver
KR940002828A (ko) * 1992-07-15 1994-02-19 강진구 자막 색 변환 기능을 가진 영상재생장치
JP3401820B2 (ja) * 1993-02-12 2003-04-28 ソニー株式会社 モニタ装置
JP3214527B2 (ja) * 1994-01-14 2001-10-02 船井電機株式会社 文字多重放送デコーダ内蔵機器
US5548341A (en) * 1994-08-05 1996-08-20 Thomson Consumer Electronics, Inc. Television receiver with non-linear processing selectively disabled during display of multi-image video signal
JP3286088B2 (ja) * 1994-08-29 2002-05-27 株式会社東芝 テレビジョン受像機
GB2307131A (en) * 1995-11-09 1997-05-14 Thomson Multimedia Sa Mixing osd and video signals with brightness control
US6002447A (en) * 1996-03-07 1999-12-14 Thomson Consumer Electronics, Inc. Video signal processing apparatus
US6313878B1 (en) * 1998-11-20 2001-11-06 Sony Corporation Method and structure for providing an automatic hardware-implemented screen-saver function to a display product
US6563495B1 (en) * 1998-12-21 2003-05-13 Thomson Licensing S.A. Automatic screen saver
KR100421006B1 (ko) * 2001-07-11 2004-03-04 삼성전자주식회사 잔상 현상 제거 장치 및 방법
US7196737B1 (en) * 2002-01-25 2007-03-27 Sige Semiconductor Inc. Method of using control loops in a broadband cable tuner
WO2006103629A1 (en) * 2005-04-01 2006-10-05 Koninklijke Philips Electronics N.V. Method and device for enhancing a digital image

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126884A (en) * 1977-05-05 1978-11-21 Rca Corporation Kinescope beam current limiter employing automatic sequential control of image contrast and brightness to limit beam current
US4338623A (en) * 1977-10-11 1982-07-06 U.S. Philips Corporation Video circuit with screen-burn-in protection
US4167025A (en) * 1978-02-09 1979-09-04 Rca Corporation Automatic peak beam current limiter
US4218698A (en) * 1978-03-13 1980-08-19 Rca Corporation TV Graphics and mixing control
US4253110A (en) * 1979-12-14 1981-02-24 Rca Corporation Automatic kinescope beam current limiter with sequential control modes
US4295166A (en) * 1980-02-05 1981-10-13 Rca Corporation Failure compensated automatic kinescope beam current limiter
US4319277A (en) * 1980-07-02 1982-03-09 Rca Corporation Institutional audio-visual system including a plural operating mode television receiver
DE3274610D1 (en) * 1981-09-01 1987-01-15 Nec Corp Signal processing unit
JPS5899073A (ja) * 1981-12-08 1983-06-13 Matsushita Electric Ind Co Ltd テレビジヨン受像機のコントロ−ル装置
JPS5930379A (ja) * 1982-08-11 1984-02-17 Mitsubishi Electric Corp ビ−ム電流制限装置

Also Published As

Publication number Publication date
JPH07114475B2 (ja) 1995-12-06
CA1214864A (en) 1986-12-02
EP0136824B1 (en) 1989-01-18
DE3476311D1 (en) 1989-02-23
CS700584A2 (en) 1988-08-16
HK2094A (en) 1994-01-14
EP0136824B2 (en) 1992-07-29
JPS6096081A (ja) 1985-05-29
CS265209B2 (en) 1989-10-13
US4549217A (en) 1985-10-22
EP0136824A2 (en) 1985-04-10
KR920004563B1 (ko) 1992-06-08
EP0136824A3 (en) 1985-05-22
SG109591G (en) 1992-12-04

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