JP2000069315A - ビデオ表示装置の保護回路 - Google Patents
ビデオ表示装置の保護回路Info
- Publication number
- JP2000069315A JP2000069315A JP11205545A JP20554599A JP2000069315A JP 2000069315 A JP2000069315 A JP 2000069315A JP 11205545 A JP11205545 A JP 11205545A JP 20554599 A JP20554599 A JP 20554599A JP 2000069315 A JP2000069315 A JP 2000069315A
- Authority
- JP
- Japan
- Prior art keywords
- grid
- voltage
- circuit
- capacitor
- transistor
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010894 electron beam technology Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- H04N3/24—Blanking circuits
-
- 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
- G09G2330/04—Display protection
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9370098P | 1998-07-22 | 1998-07-22 | |
| US09/218,520 US6285143B1 (en) | 1998-07-22 | 1998-12-22 | Video display protection circuit |
| US218520 | 1998-12-22 | ||
| US093700 | 1998-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000069315A true JP2000069315A (ja) | 2000-03-03 |
| JP2000069315A5 JP2000069315A5 (enExample) | 2006-08-31 |
Family
ID=22240288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11205545A Pending JP2000069315A (ja) | 1998-07-22 | 1999-07-21 | ビデオ表示装置の保護回路 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6285143B1 (enExample) |
| EP (1) | EP0975151A1 (enExample) |
| JP (1) | JP2000069315A (enExample) |
| CN (1) | CN1145350C (enExample) |
| MY (1) | MY119596A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6211908B1 (en) * | 1999-05-27 | 2001-04-03 | Thomson Multimedia Licensing S.A. | Television apparatus with supplementary kinescope blanking and spot burn protection circuitry |
| SG94326A1 (en) * | 1999-06-19 | 2003-02-18 | Thomson Multimedia Sa | Television receiver comprising a cathode ray tube (crt) |
| US6894445B2 (en) * | 2001-08-31 | 2005-05-17 | Thomson Licensing S.A. | Cathode ray tube phosphor protection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390817A (en) | 1981-02-27 | 1983-06-28 | Zenith Radio Corporation | Integratable CRT spot cut-off network |
| US5043639A (en) | 1990-04-30 | 1991-08-27 | Thomson Consumer Electronics, Inc. | Video display apparatus with kinescope spot burn protection circuit |
| US5089754A (en) * | 1990-04-30 | 1992-02-18 | Thomson Consumer Electronics, Inc. | Protection circuit for a cathode ray tube |
-
1998
- 1998-12-22 US US09/218,520 patent/US6285143B1/en not_active Expired - Fee Related
-
1999
- 1999-07-20 MY MYPI99003058A patent/MY119596A/en unknown
- 1999-07-21 JP JP11205545A patent/JP2000069315A/ja active Pending
- 1999-07-22 CN CNB991106423A patent/CN1145350C/zh not_active Expired - Fee Related
- 1999-07-22 EP EP99401855A patent/EP0975151A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN1268841A (zh) | 2000-10-04 |
| CN1145350C (zh) | 2004-04-07 |
| MY119596A (en) | 2005-06-30 |
| EP0975151A1 (en) | 2000-01-26 |
| US6285143B1 (en) | 2001-09-04 |
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Legal Events
| Date | Code | Title | Description |
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