ES473966A1 - Perfeccionamientos en canones electronicos. - Google Patents
Perfeccionamientos en canones electronicos.Info
- Publication number
- ES473966A1 ES473966A1 ES473966A ES473966A ES473966A1 ES 473966 A1 ES473966 A1 ES 473966A1 ES 473966 A ES473966 A ES 473966A ES 473966 A ES473966 A ES 473966A ES 473966 A1 ES473966 A1 ES 473966A1
- Authority
- ES
- Spain
- Prior art keywords
- electron
- focusing
- potential
- electron gun
- electron beam
- 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
- H01J29/58—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
- 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
Landscapes
- Details Of Television Scanning (AREA)
- Electron Beam Exposure (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
Perfeccionamientos en cañones electrónicos, que comprenden una pluralidad de rejillas de enfoque dispuestas espaciadamente a lo largo del trayecto de un haz electrónico generado desde un cátodo y taladrada cada una por lo menos con una abertura para permitir el paso del haz electrónico, caracterizados porque al menos una de la pluralidad de rejillas de enfoque está formada al menos por un electrodo puesto a potencial de tierra o a menor potencial que el voltaje de enfoque y por lo menos otro electrodo cuyo potencial está definido por una capacidad electrostática.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11896377A JPS6035788B2 (ja) | 1977-10-05 | 1977-10-05 | 電子銃 |
JP13564877A JPS5469056A (en) | 1977-11-14 | 1977-11-14 | Electronic gun |
Publications (1)
Publication Number | Publication Date |
---|---|
ES473966A1 true ES473966A1 (es) | 1979-04-16 |
Family
ID=26456791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES473966A Expired ES473966A1 (es) | 1977-10-05 | 1978-10-05 | Perfeccionamientos en canones electronicos. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4218634A (es) |
DE (1) | DE2843498A1 (es) |
ES (1) | ES473966A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4443736A (en) * | 1981-09-23 | 1984-04-17 | Rca Corporation | Electron gun for dynamic beam shape modulation |
US4542318A (en) * | 1982-12-16 | 1985-09-17 | North American Philips Consumer Electronics Corp. | CRT lensing electrodes having apertures defined by tapered sidewalls |
KR970011874B1 (en) * | 1989-07-31 | 1997-07-18 | Lg Electronics Inc | Electron gun for color picture tube |
KR930007584Y1 (ko) * | 1990-12-31 | 1993-11-05 | 삼성전관 주식회사 | 음극선관용 전자총 |
CN1106667C (zh) * | 1994-08-25 | 2003-04-23 | 皇家菲利浦电子有限公司 | 装有电子枪的图象显示器件及使用于该器件中的电子枪 |
KR100253553B1 (ko) * | 1998-01-06 | 2000-04-15 | 구자홍 | 칼라음극선관용 전자총 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2559526A (en) * | 1945-09-18 | 1951-07-03 | Research Corp | Anode target for high-voltage highvacuum uniform-field acceleration tube |
US3417199A (en) * | 1963-10-24 | 1968-12-17 | Sony Corp | Cathode ray device |
BE793992A (fr) * | 1972-01-14 | 1973-05-02 | Rca Corp | Tube a rayons cathodiques |
US3932786A (en) * | 1974-11-29 | 1976-01-13 | Rca Corporation | Electron gun with a multi-element electron lens |
-
1978
- 1978-10-03 US US05/949,418 patent/US4218634A/en not_active Expired - Lifetime
- 1978-10-05 ES ES473966A patent/ES473966A1/es not_active Expired
- 1978-10-05 DE DE19782843498 patent/DE2843498A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US4218634A (en) | 1980-08-19 |
DE2843498A1 (de) | 1979-04-19 |
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