EP1294009A3 - Electron gun for color cathode ray tube - Google Patents
Electron gun for color cathode ray tube Download PDFInfo
- Publication number
- EP1294009A3 EP1294009A3 EP02254610A EP02254610A EP1294009A3 EP 1294009 A3 EP1294009 A3 EP 1294009A3 EP 02254610 A EP02254610 A EP 02254610A EP 02254610 A EP02254610 A EP 02254610A EP 1294009 A3 EP1294009 A3 EP 1294009A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- electron gun
- ray tube
- cathode ray
- color cathode
- electrodes
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane
-
- 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
- H01J29/48—Electron guns
-
- 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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/56—Correction of beam optics
- H01J2229/568—Correction of beam optics using supplementary correction devices
- H01J2229/5681—Correction of beam optics using supplementary correction devices magnetic
- H01J2229/5687—Auxiliary coils
- H01J2229/5688—Velocity modulation
Landscapes
- Details Of Television Scanning (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2001056933 | 2001-09-14 | ||
KR10-2001-0056933A KR100426569B1 (ko) | 2001-09-14 | 2001-09-14 | 칼라음극선관용 전자총 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1294009A2 EP1294009A2 (en) | 2003-03-19 |
EP1294009A3 true EP1294009A3 (en) | 2004-05-06 |
Family
ID=19714302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02254610A Withdrawn EP1294009A3 (en) | 2001-09-14 | 2002-07-01 | Electron gun for color cathode ray tube |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1294009A3 (ko) |
JP (2) | JP2003092071A (ko) |
KR (1) | KR100426569B1 (ko) |
CN (1) | CN1206695C (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4728858A (en) * | 1986-02-14 | 1988-03-01 | Kabushiki Kaisha Toshiba | Color cathode ray tube apparatus |
US6031326A (en) * | 1997-04-01 | 2000-02-29 | Hitachi, Ltd. | Electron gun with electrode supports |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0889500B1 (en) * | 1997-07-04 | 2003-09-17 | THOMSON TUBES & DISPLAYS S.A. | Color picture tube having an inline electron gun |
JPH11135031A (ja) * | 1997-10-30 | 1999-05-21 | Hitachi Ltd | カラー陰極線管 |
KR100339349B1 (ko) * | 1999-08-07 | 2002-06-03 | 구자홍 | 칼라 음극선관용 전자총 |
KR100728190B1 (ko) * | 2001-01-17 | 2007-06-13 | 삼성에스디아이 주식회사 | 음극선관용 전자총 |
KR100778497B1 (ko) * | 2001-05-15 | 2007-11-22 | 삼성에스디아이 주식회사 | 음극선관용 전자총 |
-
2001
- 2001-09-14 KR KR10-2001-0056933A patent/KR100426569B1/ko not_active IP Right Cessation
-
2002
- 2002-06-21 JP JP2002181524A patent/JP2003092071A/ja not_active Withdrawn
- 2002-07-01 EP EP02254610A patent/EP1294009A3/en not_active Withdrawn
- 2002-08-15 CN CNB021278946A patent/CN1206695C/zh not_active Expired - Fee Related
-
2004
- 2004-12-22 JP JP2004371963A patent/JP2005129544A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4728858A (en) * | 1986-02-14 | 1988-03-01 | Kabushiki Kaisha Toshiba | Color cathode ray tube apparatus |
US6031326A (en) * | 1997-04-01 | 2000-02-29 | Hitachi, Ltd. | Electron gun with electrode supports |
Also Published As
Publication number | Publication date |
---|---|
KR100426569B1 (ko) | 2004-04-08 |
CN1405830A (zh) | 2003-03-26 |
EP1294009A2 (en) | 2003-03-19 |
JP2003092071A (ja) | 2003-03-28 |
JP2005129544A (ja) | 2005-05-19 |
CN1206695C (zh) | 2005-06-15 |
KR20030023826A (ko) | 2003-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
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|
17P | Request for examination filed |
Effective date: 20041104 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20060728 |