HK59887A - High potential,low magnification electron gun - Google Patents
High potential,low magnification electron gunInfo
- Publication number
- HK59887A HK59887A HK598/87A HK59887A HK59887A HK 59887 A HK59887 A HK 59887A HK 598/87 A HK598/87 A HK 598/87A HK 59887 A HK59887 A HK 59887A HK 59887 A HK59887 A HK 59887A
- Authority
- HK
- Hong Kong
- Prior art keywords
- high potential
- electron gun
- low magnification
- magnification electron
- low
- 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
- H01J29/58—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89558878A | 1978-04-12 | 1978-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK59887A true HK59887A (en) | 1987-08-21 |
Family
ID=25404723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK598/87A HK59887A (en) | 1978-04-12 | 1987-08-13 | High potential,low magnification electron gun |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS54145472A (en) |
| AU (1) | AU4515779A (en) |
| BE (1) | BE875443A (en) |
| BR (1) | BR7902199A (en) |
| CA (1) | CA1138519A (en) |
| CZ (1) | CZ278259B6 (en) |
| DD (1) | DD143125A5 (en) |
| DE (1) | DE2914838C2 (en) |
| ES (1) | ES479316A1 (en) |
| FI (1) | FI791127A (en) |
| FR (1) | FR2423057A1 (en) |
| GB (1) | GB2020092B (en) |
| HK (1) | HK59887A (en) |
| IT (1) | IT1112465B (en) |
| MX (1) | MX4332E (en) |
| NL (1) | NL189323C (en) |
| PL (1) | PL126827B1 (en) |
| SU (1) | SU1722254A3 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
| US4498028A (en) * | 1981-09-28 | 1985-02-05 | Zenith Electronics Corporation | Ultra-short LoBi electron gun for very short cathode ray tubes |
| US4529910A (en) * | 1982-03-31 | 1985-07-16 | Zenith Electronics Corporation | High-performance electron gun |
| NL8204185A (en) * | 1982-10-29 | 1984-05-16 | Philips Nv | CATHED BEAM TUBE. |
| JPS59148242A (en) * | 1983-02-14 | 1984-08-24 | Matsushita Electronics Corp | Picture tube device |
| EP0237005A3 (en) * | 1986-03-11 | 1988-10-12 | Matsushita Electronics Corporation | Cathode ray tube for color display |
| FR2724048B1 (en) * | 1994-08-26 | 1997-01-10 | Thomson Tubes & Displays | COPLANAR ELECTRONIC CANNON WITH IMPROVED BEAM FORMATION ZONE |
| JP2000243218A (en) | 1999-02-17 | 2000-09-08 | Nec Corp | Electron emitting device and its drive method therefor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1156511B (en) * | 1957-10-28 | 1963-10-31 | Rauland Corp | Beam generation system for a cathode-modulated cathode ray tube |
| US3090882A (en) * | 1960-04-13 | 1963-05-21 | Rca Corp | Electron gun |
| US3295001A (en) * | 1963-06-04 | 1966-12-27 | Sylvania Electric Prod | Cathode ray tube gun having a second grid with an effective thickness |
| US3374379A (en) * | 1964-03-02 | 1968-03-19 | Nippon Columbia | Low second grid voltage electron gun |
| BE793992A (en) * | 1972-01-14 | 1973-05-02 | Rca Corp | CATHODIC RAY TUBE |
| JPS5522906B2 (en) * | 1974-05-20 | 1980-06-19 | ||
| US3995194A (en) * | 1974-08-02 | 1976-11-30 | Zenith Radio Corporation | Electron gun having an extended field electrostatic focus lens |
-
1979
- 1979-03-15 AU AU45157/79A patent/AU4515779A/en not_active Abandoned
- 1979-04-02 CA CA000324578A patent/CA1138519A/en not_active Expired
- 1979-04-05 FI FI791127A patent/FI791127A/en not_active Application Discontinuation
- 1979-04-05 ES ES479316A patent/ES479316A1/en not_active Expired
- 1979-04-06 IT IT7921663A patent/IT1112465B/en active
- 1979-04-09 FR FR7908890A patent/FR2423057A1/en active Granted
- 1979-04-10 GB GB7912616A patent/GB2020092B/en not_active Expired
- 1979-04-10 MX MX79100683U patent/MX4332E/en unknown
- 1979-04-10 BE BE2/57714A patent/BE875443A/en unknown
- 1979-04-10 BR BR7902199A patent/BR7902199A/en unknown
- 1979-04-10 CZ CS792467A patent/CZ278259B6/en unknown
- 1979-04-11 JP JP4483479A patent/JPS54145472A/en active Granted
- 1979-04-11 SU SU792748999A patent/SU1722254A3/en active
- 1979-04-11 PL PL1979214828A patent/PL126827B1/en unknown
- 1979-04-11 DE DE2914838A patent/DE2914838C2/en not_active Expired
- 1979-04-11 DD DD79212156A patent/DD143125A5/en not_active IP Right Cessation
- 1979-04-11 NL NLAANVRAGE7902868,A patent/NL189323C/en not_active IP Right Cessation
-
1987
- 1987-08-13 HK HK598/87A patent/HK59887A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CZ246779A3 (en) | 1993-06-16 |
| FI791127A (en) | 1979-10-13 |
| MX4332E (en) | 1982-03-25 |
| IT1112465B (en) | 1986-01-13 |
| DE2914838C2 (en) | 1986-11-06 |
| GB2020092A (en) | 1979-11-07 |
| GB2020092B (en) | 1983-01-06 |
| BR7902199A (en) | 1979-12-04 |
| BE875443A (en) | 1979-07-31 |
| AU4515779A (en) | 1979-10-18 |
| NL189323B (en) | 1992-10-01 |
| DD143125A5 (en) | 1980-07-30 |
| DE2914838A1 (en) | 1979-10-18 |
| PL126827B1 (en) | 1983-09-30 |
| JPS54145472A (en) | 1979-11-13 |
| NL189323C (en) | 1993-03-01 |
| SU1722254A3 (en) | 1992-03-23 |
| PL214828A1 (en) | 1980-05-05 |
| ES479316A1 (en) | 1979-06-16 |
| FR2423057B1 (en) | 1984-03-02 |
| IT7921663A0 (en) | 1979-04-06 |
| CZ278259B6 (en) | 1993-11-17 |
| JPH0419660B2 (en) | 1992-03-31 |
| FR2423057A1 (en) | 1979-11-09 |
| CA1138519A (en) | 1982-12-28 |
| NL7902868A (en) | 1979-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PE | Patent expired |