[go: up one dir, main page]

IE47294B1 - Video circuit with screen-burn-in protection - Google Patents

Video circuit with screen-burn-in protection

Info

Publication number
IE47294B1
IE47294B1 IE203078A IE203078A IE47294B1 IE 47294 B1 IE47294 B1 IE 47294B1 IE 203078 A IE203078 A IE 203078A IE 203078 A IE203078 A IE 203078A IE 47294 B1 IE47294 B1 IE 47294B1
Authority
IE
Ireland
Prior art keywords
circuit
signal
video
input
luminance
Prior art date
Application number
IE203078A
Other languages
English (en)
Other versions
IE782030L (en
Original Assignee
Philips Nv
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 FR7730547A external-priority patent/FR2406361A1/fr
Priority claimed from FR7828418A external-priority patent/FR2438398A1/fr
Application filed by Philips Nv filed Critical Philips Nv
Publication of IE782030L publication Critical patent/IE782030L/xx
Publication of IE47294B1 publication Critical patent/IE47294B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • H04N5/68—Circuit details for cathode-ray display tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04—Display protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Details Of Television Scanning (AREA)
IE203078A 1977-10-11 1978-10-11 Video circuit with screen-burn-in protection IE47294B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7730547A FR2406361A1 (fr) 1977-10-11 1977-10-11 Procede antimarquage du tube image pour jeux electroniques dits " jeux video " et dispositif de mise en oeuvre
FR7828418A FR2438398A1 (fr) 1978-10-04 1978-10-04 Circuit video muni d'un dispositif anti-marquage

Publications (2)

Publication Number Publication Date
IE782030L IE782030L (en) 1979-04-11
IE47294B1 true IE47294B1 (en) 1984-02-08

Family

ID=26220259

Family Applications (1)

Application Number Title Priority Date Filing Date
IE203078A IE47294B1 (en) 1977-10-11 1978-10-11 Video circuit with screen-burn-in protection

Country Status (6)

Country Link
JP (1) JPS5946471B2 (de)
CA (1) CA1114535A (de)
DE (1) DE2844112C2 (de)
GB (1) GB2007471B (de)
IE (1) IE47294B1 (de)
NL (1) NL7810170A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127495A (ja) * 1982-01-26 1983-07-29 Mitsubishi Electric Corp テレビジヨンビデオ・クロマ回路
JPS58224381A (ja) * 1982-06-24 1983-12-26 富士通フアナツク株式会社 表示制御方式
US4811083A (en) * 1983-06-15 1989-03-07 Tektronix, Inc. Apparatus for displaying the phase and amplitude of a chrominance signal
GB8605030D0 (en) * 1986-02-28 1986-04-09 Gec Avionics Cathode ray tube display arrangements
FR2669789B1 (fr) * 1990-11-22 1993-03-05 Dutemple Janny Temporisateur pour ecran d'ordinateur.
DE9217968U1 (de) * 1992-01-31 1993-04-29 Siemens Nixdorf Informationssysteme AG, 4790 Paderborn Röhrenbildschirmgerät
US5389952A (en) † 1992-12-02 1995-02-14 Cordata Inc. Low-power-consumption monitor standby system
US5821924A (en) * 1992-09-04 1998-10-13 Elonex I.P. Holdings, Ltd. Computer peripherals low-power-consumption standby system
GB2282307A (en) * 1993-09-24 1995-03-29 Ibm Disabling display unit when image is unchanged

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2333391B2 (de) * 1973-06-30 1975-06-05 Norddeutsche Mende Rundfunk Kg, 2800 Bremen Schaltungsanordnung zur Verhütung von Einbrennflecken auf dem Bildschirm eines Elektronenstrahl-Rohres
DE2723818C2 (de) * 1977-05-26 1984-10-25 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zur Unterdrückung des Strahlstroms einer Bildröhre

Also Published As

Publication number Publication date
GB2007471B (en) 1982-02-10
DE2844112C2 (de) 1984-02-16
IE782030L (en) 1979-04-11
JPS5946471B2 (ja) 1984-11-13
JPS5488722A (en) 1979-07-14
NL7810170A (nl) 1979-04-17
GB2007471A (en) 1979-05-16
DE2844112A1 (de) 1979-04-19
CA1114535A (en) 1981-12-15

Similar Documents

Publication Publication Date Title
US4338623A (en) Video circuit with screen-burn-in protection
CA1208818A (en) Digital shade control for color crt background and cursors
IE47294B1 (en) Video circuit with screen-burn-in protection
KR970000848B1 (ko) 신호 전이 향상 장치
GB1536851A (en) Video carrier wave defect detection and compensation
KR840004844A (ko) 화상 표시장치용 라인동기 회로
US4948126A (en) Event adjudicator and interface
US4430671A (en) Television channel indicator with automatic on-screen display
US3867010A (en) Vertical interval reference signal extraction circuit arrangement
JPS58161582A (ja) 音量レベル表示装置
KR940002934B1 (ko) 텔레비젼의 화면과도현상방지회로
US5962978A (en) Apparatus for automatically degaussing a color picture tube in response to a power conservation mode
GB1511932A (en) Video recording apparatus
JPS5477020A (en) Monitor television receiver
KR0123292Y1 (ko) 비디오모드시 피아이피 자동절환장치
SU1273980A1 (ru) Устройство дл отображени информации
KR890004326B1 (ko) 색신호 처리장치
JP3050204U (ja) 表示装置
KR930011289B1 (ko) 영상신호 처리장치에 있어서 y 신호의 선택적 노이즈 감쇄장치
KR940007548Y1 (ko) 화면 휘도에 따른 osd 휘도 조절 회로
KR900001526Y1 (ko) 컬러 모니터의 컬러판별 패턴회로
KR950004056Y1 (ko) 무신호시 화면 블랭킹 방지회로
KR900003472Y1 (ko) 영상신호를 이용한 tv전원 자동 오프 시스템
KR0116299Y1 (ko) 온 스크린 디스플레이 화면표시회로
JP2573573B2 (ja) プラズマ表示装置