JPS5249764A - Color picture tube - Google Patents
Color picture tubeInfo
- Publication number
- JPS5249764A JPS5249764A JP12530275A JP12530275A JPS5249764A JP S5249764 A JPS5249764 A JP S5249764A JP 12530275 A JP12530275 A JP 12530275A JP 12530275 A JP12530275 A JP 12530275A JP S5249764 A JPS5249764 A JP S5249764A
- Authority
- JP
- Japan
- Prior art keywords
- picture tube
- color picture
- luminance
- curvature
- increased
- 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
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
PURPOSE: For the curvature of shadow mask of in-line system, the grouping ratio is made constant and further made close to 1. Thus, the beam arrangement is improved as well as color purity, luminance, etc. is increased.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12530275A JPS5249764A (en) | 1975-10-20 | 1975-10-20 | Color picture tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12530275A JPS5249764A (en) | 1975-10-20 | 1975-10-20 | Color picture tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5249764A true JPS5249764A (en) | 1977-04-21 |
Family
ID=14906711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12530275A Pending JPS5249764A (en) | 1975-10-20 | 1975-10-20 | Color picture tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5249764A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4697119A (en) * | 1985-01-11 | 1987-09-29 | Kabushiki Kaisha Toshiba | Color cathode ray tube having a non-spherical curved mask |
US4701665A (en) * | 1982-12-23 | 1987-10-20 | Tokyo Shibaura Denki Kabushiki Kaisha | Color cathode-ray tube |
-
1975
- 1975-10-20 JP JP12530275A patent/JPS5249764A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4701665A (en) * | 1982-12-23 | 1987-10-20 | Tokyo Shibaura Denki Kabushiki Kaisha | Color cathode-ray tube |
US4697119A (en) * | 1985-01-11 | 1987-09-29 | Kabushiki Kaisha Toshiba | Color cathode ray tube having a non-spherical curved mask |
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