KR100282689B1 - 선형성 에러 보정 장치(correction of linearity errors) - Google Patents
선형성 에러 보정 장치(correction of linearity errors) Download PDFInfo
- Publication number
- KR100282689B1 KR100282689B1 KR1019960703279A KR19960703279A KR100282689B1 KR 100282689 B1 KR100282689 B1 KR 100282689B1 KR 1019960703279 A KR1019960703279 A KR 1019960703279A KR 19960703279 A KR19960703279 A KR 19960703279A KR 100282689 B1 KR100282689 B1 KR 100282689B1
- Authority
- KR
- South Korea
- Prior art keywords
- yoke
- cathode ray
- ray tube
- deflection
- display system
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
- H04N9/28—Arrangements for convergence or focusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
- H01J29/702—Convergence correction arrangements therefor
- H01J29/705—Dynamic convergence systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
- H01J2229/0046—Preventing or cancelling fields within the enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
Description
Claims (9)
- 키네스코프(10)와, 수평 및 수직 톱니파 전류에 의해 구동되어 상기 키네스코프 면을 가로지르는 전자빔을 주사하기 위해 자계를 발생시키는 편향 요크(14)와, 이 편향 요크에 장착되며 구동시에 상기 키네스코프에서 빔 랜딩 에러를 보정하는 자계를 발생시키고 상기 편향 요크로부터 표유 자계에 의해 영향을 받는 보정 요크(16)를 갖는 음극선관 디스플레이 시스템에 있어서, 상기 보정 요크에 미치는 상기 표유 자계의 영향을 보상하기 위해, 편향 톱니파의 시작 위치 부근에서 상기 보정 요크에 보상 전류를 공급하는 전류 공급원(33)을 구비하는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제1항에 있어서, 상기 전류 공급원(32)은 펄스를 발생하는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제2항에 있어서, 상기 전류 펄스는 편향 귀선 펄스(36)에 응답하여 발생되는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제3항에 있어서, 상기 편향 귀선 펄스(36)는 지연 수단(32)을 통해 상기 보정 요크(16)에 공급되는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제1항에 있어서, 상기 보상 전류는 수평 편향 톱니파의 시작 위치 부근에서 상기 보정 요크(16)에 공급되는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제2항에 있어서, 상기 전류 펄스는 수평 편향 펄스에 응답하여 발생되는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제4항에 있어서, 상기 지연 수단은 트랜지스터(Q1)와, 이 트랜지스터의 베이스와 이미터 사이에 결합된 커패시터(C1)를 구비하는 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제7항에 있어서, 상기 트랜지스터(Q1)는 이미터 플로어로서 동작하며, 상기 트랜지스터(Q1)의 이미터(26G를 통해) 상기 보정 요크에 결합된 것을 특징으로 하는 음극선관 디스플레이 시스템.
- 제7항에 있어서, 상기 트랜지스터(Q1)의 이미터는 제2트랜지스터(Q2)의 베이스에 결합되며, 상기 제2트랜지스터의 콜렉터는 (26R 및 26B를 통해) 제2 보정 요크에 결합된 것을 특징으로 하는 음극선관 디스플레이 시스템.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1993/012544 WO1995017763A1 (en) | 1993-12-22 | 1993-12-22 | Correction of linearity errors |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100282689B1 true KR100282689B1 (ko) | 2001-03-02 |
Family
ID=22237329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960703279A Expired - Fee Related KR100282689B1 (ko) | 1993-12-22 | 1993-12-22 | 선형성 에러 보정 장치(correction of linearity errors) |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0746868B1 (ko) |
JP (1) | JPH09507010A (ko) |
KR (1) | KR100282689B1 (ko) |
AU (1) | AU6049694A (ko) |
DE (1) | DE69327179T2 (ko) |
WO (1) | WO1995017763A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3440637B2 (ja) * | 1995-07-07 | 2003-08-25 | ソニー株式会社 | コンバーゼンス補正回路およびそれを有する3管式プロジェクタ |
DE19707069A1 (de) * | 1997-02-22 | 1998-08-27 | Thomson Brandt Gmbh | Vorrichtung zur Elektronenstrahlablenkung in einer Kathodenstrahlröhre |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0050692B1 (en) * | 1980-10-24 | 1984-04-04 | International Business Machines Corporation | Colour cathode ray tube display apparatus with compensation for errors due to interfering magnetic fields |
JPS58212039A (ja) * | 1982-06-01 | 1983-12-09 | Denki Onkyo Co Ltd | 偏向ヨ−ク装置 |
JPH0543586Y2 (ko) * | 1986-08-20 | 1993-11-02 | ||
JPH0673287B2 (ja) * | 1987-10-07 | 1994-09-14 | 株式会社日立製作所 | 電子ビーム偏向装置 |
JPH01175151A (ja) * | 1987-12-29 | 1989-07-11 | Sony Corp | 偏向ヨーク |
JPH0463066A (ja) * | 1990-07-02 | 1992-02-28 | Sony Corp | 水平リニアリティ補正回路 |
ATE136711T1 (de) * | 1990-11-09 | 1996-04-15 | Thomson Tubes & Displays | Gerät zur modulation der abtastgeschwindigkeit |
-
1993
- 1993-12-22 WO PCT/US1993/012544 patent/WO1995017763A1/en active IP Right Grant
- 1993-12-22 AU AU60496/94A patent/AU6049694A/en not_active Abandoned
- 1993-12-22 DE DE69327179T patent/DE69327179T2/de not_active Expired - Fee Related
- 1993-12-22 JP JP7517372A patent/JPH09507010A/ja active Pending
- 1993-12-22 EP EP94907103A patent/EP0746868B1/en not_active Expired - Lifetime
- 1993-12-22 KR KR1019960703279A patent/KR100282689B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0746868B1 (en) | 1999-12-01 |
DE69327179T2 (de) | 2000-06-15 |
EP0746868A1 (en) | 1996-12-11 |
EP0746868A4 (en) | 1997-07-16 |
AU6049694A (en) | 1995-07-10 |
WO1995017763A1 (en) | 1995-06-29 |
DE69327179D1 (de) | 2000-01-05 |
JPH09507010A (ja) | 1997-07-08 |
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Patent event date: 19960620 Patent event code: PA01051R01D Comment text: International Patent Application |
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