CA1003480A - Electron gun having an extended field electrostatic focus lens - Google Patents
Electron gun having an extended field electrostatic focus lensInfo
- Publication number
- CA1003480A CA1003480A CA206,462A CA206462A CA1003480A CA 1003480 A CA1003480 A CA 1003480A CA 206462 A CA206462 A CA 206462A CA 1003480 A CA1003480 A CA 1003480A
- Authority
- CA
- Canada
- Prior art keywords
- focus lens
- electron gun
- extended field
- field electrostatic
- electrostatic focus
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US408720A US3895253A (en) | 1973-10-23 | 1973-10-23 | Electron gun having extended field electrostatic focus lens |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1003480A true CA1003480A (en) | 1977-01-11 |
Family
ID=23617472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA206,462A Expired CA1003480A (en) | 1973-10-23 | 1974-08-07 | Electron gun having an extended field electrostatic focus lens |
Country Status (6)
Country | Link |
---|---|
US (1) | US3895253A (de) |
JP (1) | JPS5074968A (de) |
CA (1) | CA1003480A (de) |
DE (1) | DE2450591A1 (de) |
FR (1) | FR2248606B1 (de) |
GB (1) | GB1463349A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7404365A (nl) * | 1974-04-01 | 1975-10-03 | Philips Nv | Kathodestraalbuis voor het weergeven van gekleurde beelden. |
JPS587015B2 (ja) * | 1976-04-20 | 1983-02-08 | 松下電子工業株式会社 | カラ−受像管装置 |
JPS5351958A (en) * | 1976-10-22 | 1978-05-11 | Hitachi Ltd | Electron gun |
US4095138A (en) * | 1976-11-29 | 1978-06-13 | Zenith Radio Corporation | Electron gun having an arc-inhibiting electrode |
JPS545374A (en) * | 1977-06-15 | 1979-01-16 | Hitachi Ltd | Electronic gun |
ES475304A1 (es) * | 1977-11-22 | 1979-03-16 | Tokyo Shibaura Electric Co | Perfeccionamientos en canones electronicos para tubos de ra-yos catodicos. |
US4368405B1 (en) * | 1977-11-22 | 1995-10-24 | Tokyo Shibaura Electric Co | Electron gun for a cathode ray tube |
US4253041A (en) * | 1979-08-16 | 1981-02-24 | Zenith Radio Corporation | Extended field electron gun having a synthesized axial potential |
NL8204185A (nl) * | 1982-10-29 | 1984-05-16 | Philips Nv | Kathodestraalbuis. |
DE3561781D1 (en) * | 1984-02-20 | 1988-04-07 | Toshiba Kk | Electron gun |
US5077498A (en) * | 1991-02-11 | 1991-12-31 | Tektronix, Inc. | Pinched electron beam cathode-ray tube with high-voltage einzel focus lens |
JPH0766261B2 (ja) * | 1991-06-14 | 1995-07-19 | 富士ゼロックス株式会社 | 対称型デコーダ |
US7135821B2 (en) * | 2003-10-01 | 2006-11-14 | Altera Corporation | High-definition cathode ray tube and electron gun |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3651359A (en) * | 1969-04-23 | 1972-03-21 | Sony Corp | Abberation correction of plurality of beams in color cathode ray tube |
DE2031486A1 (de) * | 1970-06-25 | 1971-12-30 | Siemens Ag | Elektrostatische Linse, insbesondere für elektrostatisches Vidikon |
-
1973
- 1973-10-23 US US408720A patent/US3895253A/en not_active Expired - Lifetime
-
1974
- 1974-08-07 CA CA206,462A patent/CA1003480A/en not_active Expired
- 1974-10-14 GB GB4447574A patent/GB1463349A/en not_active Expired
- 1974-10-22 DE DE19742450591 patent/DE2450591A1/de active Pending
- 1974-10-22 FR FR7435481A patent/FR2248606B1/fr not_active Expired
- 1974-10-22 JP JP49121865A patent/JPS5074968A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3895253A (en) | 1975-07-15 |
GB1463349A (en) | 1977-02-02 |
FR2248606A1 (de) | 1975-05-16 |
JPS5074968A (de) | 1975-06-19 |
FR2248606B1 (de) | 1977-10-28 |
DE2450591A1 (de) | 1975-04-30 |
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