DE69114893D1 - Color picture tube with "inline" electron gun with focus adjustment. - Google Patents
Color picture tube with "inline" electron gun with focus adjustment.Info
- Publication number
- DE69114893D1 DE69114893D1 DE69114893T DE69114893T DE69114893D1 DE 69114893 D1 DE69114893 D1 DE 69114893D1 DE 69114893 T DE69114893 T DE 69114893T DE 69114893 T DE69114893 T DE 69114893T DE 69114893 D1 DE69114893 D1 DE 69114893D1
- Authority
- DE
- Germany
- Prior art keywords
- inline
- electron gun
- focus adjustment
- picture tube
- color picture
- 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
- 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
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
-
- 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
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
- H01J2229/4848—Aperture shape as viewed along beam axis
- H01J2229/4872—Aperture shape as viewed along beam axis circular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
- H01J2229/4848—Aperture shape as viewed along beam axis
- H01J2229/4896—Aperture shape as viewed along beam axis complex and not provided for
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50953790A | 1990-04-16 | 1990-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69114893D1 true DE69114893D1 (en) | 1996-01-11 |
DE69114893T2 DE69114893T2 (en) | 1996-06-20 |
Family
ID=24027042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69114893T Expired - Fee Related DE69114893T2 (en) | 1990-04-16 | 1991-04-10 | Color picture tube with "inline" electron gun with focus adjustment. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0452789B1 (en) |
JP (1) | JP2616849B2 (en) |
KR (1) | KR950002262B1 (en) |
CN (1) | CN1041577C (en) |
CA (1) | CA2039501C (en) |
DE (1) | DE69114893T2 (en) |
MY (1) | MY105411A (en) |
PL (1) | PL165538B1 (en) |
RU (1) | RU2025818C1 (en) |
TR (1) | TR25229A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06251722A (en) * | 1993-02-24 | 1994-09-09 | Hitachi Ltd | Cathode-ray tube |
FR2705164B1 (en) * | 1993-05-10 | 1995-07-13 | Thomson Tubes & Displays | Color image tube with electron guns in line with astigmatic lenses. |
CN1054462C (en) * | 1994-06-30 | 2000-07-12 | 中华映管股份有限公司 | Colour kinescope electron gun with hollow chain-shaped mainlens and unidirectional extension hole circular symmetric auxiliary lens |
JP3726402B2 (en) * | 1996-07-05 | 2005-12-14 | ソニー株式会社 | In-line electron gun for color cathode ray tube |
KR19980040898A (en) * | 1996-11-30 | 1998-08-17 | 엄길용 | Cylindrical electrode of in-line electron gun |
KR20030060616A (en) * | 2002-01-10 | 2003-07-16 | 엘지.필립스디스플레이(주) | Gun for Color CRT |
CN1306544C (en) * | 2004-01-05 | 2007-03-21 | 彩虹集团电子股份有限公司 | Technological method for regulating clour teletron electron beam arrangement |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4400649A (en) * | 1981-07-10 | 1983-08-23 | Rca Corporation | Color picture tube having an improved expanded focus lens type inline electron gun |
FR2509526B1 (en) * | 1981-07-10 | 1986-08-29 | Rca Corp | IMPROVEMENTS TO ONLINE ELECTRONIC GUNS WITH EXTENDED FOCAL LENS FOR COLOR IMAGE TUBE |
JPS58198830A (en) * | 1982-05-14 | 1983-11-18 | Hitachi Ltd | Cathode-ray tube |
NL8203322A (en) * | 1982-08-25 | 1984-03-16 | Philips Nv | COLOR IMAGE TUBE. |
JPH0630227B2 (en) * | 1983-12-28 | 1994-04-20 | 株式会社東芝 | Color picture tube electron gun |
FR2590724B1 (en) * | 1985-11-22 | 1988-01-08 | Videocolor | DEVICE FOR CORRECTING THE DEVIATION EFFECT DUE TO A VARIATION OF THE FOCUSING VOLTAGE IN A TRICHROME CATHODE TUBE WITH ONLINE CATHODES |
JPH0748354B2 (en) * | 1987-01-14 | 1995-05-24 | アールシーエー トムソン ライセンシング コーポレイシヨン | Color cathode ray tube |
US4764704A (en) * | 1987-01-14 | 1988-08-16 | Rca Licensing Corporation | Color cathode-ray tube having a three-lens electron gun |
CN1013534B (en) * | 1987-04-08 | 1991-08-14 | 彩色图象公司 | Correction device of diviation effect for a three colour crt |
US4737682A (en) * | 1987-07-20 | 1988-04-12 | Rca Corporation | Color picture tube having an inline electron gun with an einzel lens |
JP2690930B2 (en) * | 1988-02-26 | 1997-12-17 | 株式会社日立製作所 | Electron gun for color cathode ray tube |
-
1991
- 1991-04-04 CA CA002039501A patent/CA2039501C/en not_active Expired - Fee Related
- 1991-04-08 MY MYPI91000575A patent/MY105411A/en unknown
- 1991-04-10 EP EP91105658A patent/EP0452789B1/en not_active Expired - Lifetime
- 1991-04-10 DE DE69114893T patent/DE69114893T2/en not_active Expired - Fee Related
- 1991-04-10 TR TR91/0363A patent/TR25229A/en unknown
- 1991-04-13 KR KR1019910005933A patent/KR950002262B1/en not_active IP Right Cessation
- 1991-04-15 CN CN91102510A patent/CN1041577C/en not_active Expired - Fee Related
- 1991-04-15 RU SU914895096A patent/RU2025818C1/en not_active IP Right Cessation
- 1991-04-15 JP JP3110959A patent/JP2616849B2/en not_active Expired - Fee Related
- 1991-04-16 PL PL91289904A patent/PL165538B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0452789A2 (en) | 1991-10-23 |
CN1041577C (en) | 1999-01-06 |
KR950002262B1 (en) | 1995-03-15 |
JP2616849B2 (en) | 1997-06-04 |
PL165538B1 (en) | 1995-01-31 |
CN1056016A (en) | 1991-11-06 |
EP0452789B1 (en) | 1995-11-29 |
EP0452789A3 (en) | 1992-02-12 |
TR25229A (en) | 1993-01-01 |
JPH04230938A (en) | 1992-08-19 |
RU2025818C1 (en) | 1994-12-30 |
PL289904A1 (en) | 1992-02-10 |
CA2039501A1 (en) | 1991-10-17 |
DE69114893T2 (en) | 1996-06-20 |
CA2039501C (en) | 1999-02-02 |
MY105411A (en) | 1994-09-30 |
KR910019103A (en) | 1991-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |