IT1176203B - CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM - Google Patents
CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAMInfo
- Publication number
- IT1176203B IT1176203B IT21087/84A IT2108784A IT1176203B IT 1176203 B IT1176203 B IT 1176203B IT 21087/84 A IT21087/84 A IT 21087/84A IT 2108784 A IT2108784 A IT 2108784A IT 1176203 B IT1176203 B IT 1176203B
- Authority
- IT
- Italy
- Prior art keywords
- presenting
- formation
- region
- cathode tube
- astigmatic beam
- Prior art date
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
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50832283A | 1983-06-27 | 1983-06-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT8421087A0 IT8421087A0 (en) | 1984-05-24 |
| IT8421087A1 IT8421087A1 (en) | 1985-11-24 |
| IT1176203B true IT1176203B (en) | 1987-08-18 |
Family
ID=24022284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21087/84A IT1176203B (en) | 1983-06-27 | 1984-05-24 | CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS6023936A (en) |
| KR (1) | KR850000768A (en) |
| CA (1) | CA1201753A (en) |
| DE (1) | DE3423485C2 (en) |
| FR (1) | FR2547953A1 (en) |
| GB (1) | GB2144903B (en) |
| IT (1) | IT1176203B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6059637A (en) * | 1983-09-09 | 1985-04-06 | Hitachi Ltd | Electron gun structure |
| JP2597221B2 (en) * | 1990-07-31 | 1997-04-02 | オークマ株式会社 | Combined machine tool |
| JPH09245665A (en) * | 1996-03-05 | 1997-09-19 | Sony Corp | Beam control electrode, electron gun using the same, cathode-ray tube using electron gun, and manufacture of beam control electrode |
| WO1997044807A1 (en) * | 1996-05-17 | 1997-11-27 | Philips Electronics N.V. | Cathode ray tube having an electron gun |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1226887A (en) * | 1967-12-22 | 1971-03-31 | ||
| BE793992A (en) * | 1972-01-14 | 1973-05-02 | Rca Corp | CATHODIC RAY TUBE |
| JPS52119059A (en) * | 1976-03-31 | 1977-10-06 | Sony Corp | Electron gun device |
| NL178374C (en) * | 1977-11-24 | 1986-03-03 | Philips Nv | ELECTRON RADIUS TUBE WITH NON-ROTATION SYMETRIC ELECTRON LENS BETWEEN FIRST AND SECOND GRID. |
| JPS54117674A (en) * | 1978-03-06 | 1979-09-12 | Toshiba Corp | Logical operation circuit unit |
| JPS5521832A (en) * | 1978-07-31 | 1980-02-16 | Matsushita Electronics Corp | Electron gun for color picture tube |
| US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
| JPS55154044A (en) * | 1979-05-18 | 1980-12-01 | Hitachi Ltd | Electrode structure of electron gun and its manufacture |
| US4251747A (en) * | 1979-11-15 | 1981-02-17 | Gte Products Corporation | One piece astigmatic grid for color picture tube electron gun |
| US4350923A (en) * | 1980-03-27 | 1982-09-21 | Rca Corporation | Electron gun with balanced lens lips to reduce astigmatism |
| EP0045547B1 (en) * | 1980-08-04 | 1984-09-26 | Philips ECG Inc. | Method of fabricating an electron gun electrode member for a cathode-ray tube and cathode ray tube comprising an electron gun electrode member fabricated by this method |
| PT75085B (en) * | 1981-07-10 | 1984-05-15 | Rca Corp | Color image display systems |
-
1984
- 1984-05-24 IT IT21087/84A patent/IT1176203B/en active
- 1984-06-14 CA CA000456581A patent/CA1201753A/en not_active Expired
- 1984-06-18 FR FR8409480A patent/FR2547953A1/en not_active Withdrawn
- 1984-06-26 KR KR1019840003609A patent/KR850000768A/en not_active Application Discontinuation
- 1984-06-26 GB GB08416210A patent/GB2144903B/en not_active Expired
- 1984-06-26 JP JP59132808A patent/JPS6023936A/en active Pending
- 1984-06-26 DE DE3423485A patent/DE3423485C2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3423485C2 (en) | 1986-10-16 |
| IT8421087A1 (en) | 1985-11-24 |
| IT8421087A0 (en) | 1984-05-24 |
| JPS6023936A (en) | 1985-02-06 |
| KR850000768A (en) | 1985-03-09 |
| GB2144903A (en) | 1985-03-13 |
| DE3423485A1 (en) | 1985-01-10 |
| CA1201753A (en) | 1986-03-11 |
| FR2547953A1 (en) | 1984-12-28 |
| GB8416210D0 (en) | 1984-08-01 |
| GB2144903B (en) | 1987-01-14 |
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