JPS5488722A - Video circuit with screen protecting circuit for preventing screen from burning - Google Patents

Video circuit with screen protecting circuit for preventing screen from burning

Info

Publication number
JPS5488722A
JPS5488722A JP12500378A JP12500378A JPS5488722A JP S5488722 A JPS5488722 A JP S5488722A JP 12500378 A JP12500378 A JP 12500378A JP 12500378 A JP12500378 A JP 12500378A JP S5488722 A JPS5488722 A JP S5488722A
Authority
JP
Japan
Prior art keywords
screen
circuit
burning
preventing
video
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.)
Granted
Application number
JP12500378A
Other languages
Japanese (ja)
Other versions
JPS5946471B2 (en
Inventor
Jiyannpieeruuasumu
Soto Jiyosefu
Opu Heto Fueruto Yohanesu
Uiremu Shiyunaidaa Henri
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/en
Priority claimed from FR7828418A external-priority patent/FR2438398A1/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS5488722A publication Critical patent/JPS5488722A/en
Publication of JPS5946471B2 publication Critical patent/JPS5946471B2/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)
JP12500378A 1977-10-11 1978-10-11 video circuit Expired JPS5946471B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR7730547A FR2406361A1 (en) 1977-10-11 1977-10-11 Video circuit generating signals reproducing pictures on screen - has switch which suppresses luminance signal when video signal does not change
FR000007730547 1977-10-11
FR7828418A FR2438398A1 (en) 1978-10-04 1978-10-04 Video circuit generating signals reproducing pictures on screen - has switch which suppresses luminance signal when video signal does not change
FR000007828418 1978-10-04

Publications (2)

Publication Number Publication Date
JPS5488722A true JPS5488722A (en) 1979-07-14
JPS5946471B2 JPS5946471B2 (en) 1984-11-13

Family

ID=26220259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12500378A Expired JPS5946471B2 (en) 1977-10-11 1978-10-11 video circuit

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127495A (en) * 1982-01-26 1983-07-29 Mitsubishi Electric Corp Television video chroma circuit

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224381A (en) * 1982-06-24 1983-12-26 富士通フアナツク株式会社 Display control system
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 (en) * 1990-11-22 1993-03-05 Dutemple Janny TIMER FOR COMPUTER SCREEN.
DE9217968U1 (en) * 1992-01-31 1993-04-29 Siemens Nixdorf Informationssysteme AG, 4790 Paderborn CRT monitor
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 (en) * 1973-06-30 1975-06-05 Norddeutsche Mende Rundfunk Kg, 2800 Bremen Circuit arrangement for preventing burn-in spots on the screen of an electron beam tube
DE2723818C2 (en) * 1977-05-26 1984-10-25 Blaupunkt-Werke Gmbh, 3200 Hildesheim Circuit arrangement for suppressing the beam current of a picture tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127495A (en) * 1982-01-26 1983-07-29 Mitsubishi Electric Corp Television video chroma circuit

Also Published As

Publication number Publication date
DE2844112A1 (en) 1979-04-19
GB2007471B (en) 1982-02-10
GB2007471A (en) 1979-05-16
NL7810170A (en) 1979-04-17
JPS5946471B2 (en) 1984-11-13
IE782030L (en) 1979-04-11
CA1114535A (en) 1981-12-15
IE47294B1 (en) 1984-02-08
DE2844112C2 (en) 1984-02-16

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