CA1114535A - Video circuit with screen-burn-in protection - Google Patents

Video circuit with screen-burn-in protection

Info

Publication number
CA1114535A
CA1114535A CA313,084A CA313084A CA1114535A CA 1114535 A CA1114535 A CA 1114535A CA 313084 A CA313084 A CA 313084A CA 1114535 A CA1114535 A CA 1114535A
Authority
CA
Canada
Prior art keywords
circuit
signal
input
video
luminance
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
Application number
CA313,084A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Asmus
Joseph Soto
Sebastianus J. Op Het Veld
Henri W. Schneider
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1114535A publication Critical patent/CA1114535A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—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)
CA313,084A 1977-10-11 1978-10-11 Video circuit with screen-burn-in protection Expired CA1114535A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR7730547 1977-10-11
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
FR7828418 1978-10-04
FR7828418A FR2438398A1 (fr) 1978-10-04 1978-10-04 Circuit video muni d'un dispositif anti-marquage

Publications (1)

Publication Number Publication Date
CA1114535A true CA1114535A (en) 1981-12-15

Family

ID=26220259

Family Applications (1)

Application Number Title Priority Date Filing Date
CA313,084A Expired CA1114535A (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
DE2844112A1 (de) 1979-04-19
GB2007471B (en) 1982-02-10
GB2007471A (en) 1979-05-16
NL7810170A (nl) 1979-04-17
JPS5946471B2 (ja) 1984-11-13
JPS5488722A (en) 1979-07-14
IE782030L (en) 1979-04-11
IE47294B1 (en) 1984-02-08
DE2844112C2 (de) 1984-02-16

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Legal Events

Date Code Title Description
MKEX Expiry