JPS5678047A - Electromagnetic focussing picture tube - Google Patents
Electromagnetic focussing picture tubeInfo
- Publication number
- JPS5678047A JPS5678047A JP15439479A JP15439479A JPS5678047A JP S5678047 A JPS5678047 A JP S5678047A JP 15439479 A JP15439479 A JP 15439479A JP 15439479 A JP15439479 A JP 15439479A JP S5678047 A JPS5678047 A JP S5678047A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- principal
- lens
- neck tube
- body cylinder
- 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.)
- Pending
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
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15439479A JPS5678047A (en) | 1979-11-30 | 1979-11-30 | Electromagnetic focussing picture tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15439479A JPS5678047A (en) | 1979-11-30 | 1979-11-30 | Electromagnetic focussing picture tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5678047A true JPS5678047A (en) | 1981-06-26 |
Family
ID=15583173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15439479A Pending JPS5678047A (en) | 1979-11-30 | 1979-11-30 | Electromagnetic focussing picture tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5678047A (ja) |
-
1979
- 1979-11-30 JP JP15439479A patent/JPS5678047A/ja active Pending
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