GB2007471B - Video circuit with screen burn-in protection - Google Patents
Video circuit with screen burn-in protectionInfo
- Publication number
- GB2007471B GB2007471B GB7839892A GB7839892A GB2007471B GB 2007471 B GB2007471 B GB 2007471B GB 7839892 A GB7839892 A GB 7839892A GB 7839892 A GB7839892 A GB 7839892A GB 2007471 B GB2007471 B GB 2007471B
- Authority
- GB
- United Kingdom
- Prior art keywords
- protection
- video circuit
- screen burn
- burn
- screen
- 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
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)
Applications Claiming Priority (2)
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 |
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2007471A GB2007471A (en) | 1979-05-16 |
GB2007471B true GB2007471B (en) | 1982-02-10 |
Family
ID=26220259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7839892A Expired GB2007471B (en) | 1977-10-11 | 1978-10-10 | Video circuit with screen burn-in protection |
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) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58127495A (en) * | 1982-01-26 | 1983-07-29 | Mitsubishi Electric Corp | Television video chroma circuit |
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)
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 |
-
1978
- 1978-10-10 DE DE19782844112 patent/DE2844112C2/en not_active Expired
- 1978-10-10 GB GB7839892A patent/GB2007471B/en not_active Expired
- 1978-10-10 NL NL7810170A patent/NL7810170A/en not_active Application Discontinuation
- 1978-10-11 IE IE203078A patent/IE47294B1/en unknown
- 1978-10-11 JP JP12500378A patent/JPS5946471B2/en not_active Expired
- 1978-10-11 CA CA313,084A patent/CA1114535A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2007471A (en) | 1979-05-16 |
NL7810170A (en) | 1979-04-17 |
IE47294B1 (en) | 1984-02-08 |
JPS5946471B2 (en) | 1984-11-13 |
IE782030L (en) | 1979-04-11 |
DE2844112A1 (en) | 1979-04-19 |
DE2844112C2 (en) | 1984-02-16 |
JPS5488722A (en) | 1979-07-14 |
CA1114535A (en) | 1981-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |