JPS5525952A - Index color cathode-ray tube - Google Patents
Index color cathode-ray tubeInfo
- Publication number
- JPS5525952A JPS5525952A JP9928278A JP9928278A JPS5525952A JP S5525952 A JPS5525952 A JP S5525952A JP 9928278 A JP9928278 A JP 9928278A JP 9928278 A JP9928278 A JP 9928278A JP S5525952 A JPS5525952 A JP S5525952A
- Authority
- JP
- Japan
- Prior art keywords
- coated
- phosphors
- guard band
- ray tube
- centered
- 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
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
PURPOSE: To synchronize the positions of electron beam scanning easily and to improve the performance of tube by stripewise arranging the first to the third color phosphors so that the first one is centered and other two ones are symmetrical with respect to the first one, and providing the index phosphor to every second back of the guard-band-coated belt.
CONSTITUTION: The color phosphors of R, G and B are coated beltwise at regular intervals on the surface of the aluminum metal pack 22. Three phosphors are arranged so that the R, for example, is centered, G and B are symmetrical with respect to the R. Also the guard band is coated on the other face of metal pack, on which the electron beam is landed, along the belt area corresponding to the spacing of respective phosphors. Moreover, every second R is selected, the corresponding before guard band and behind guard band of R are alternately coated with the index phosphor 24 to 26. In this way, a stable index signal can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9928278A JPS5525952A (en) | 1978-08-15 | 1978-08-15 | Index color cathode-ray tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9928278A JPS5525952A (en) | 1978-08-15 | 1978-08-15 | Index color cathode-ray tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5525952A true JPS5525952A (en) | 1980-02-25 |
Family
ID=14243294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9928278A Pending JPS5525952A (en) | 1978-08-15 | 1978-08-15 | Index color cathode-ray tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5525952A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877782A (en) * | 1981-11-02 | 1983-05-11 | Inoue Denshi Kk | Electrical controlling method for resistance welder |
JPS6120674A (en) * | 1984-07-06 | 1986-01-29 | Matsushita Electric Ind Co Ltd | Control device for resistance welder |
-
1978
- 1978-08-15 JP JP9928278A patent/JPS5525952A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877782A (en) * | 1981-11-02 | 1983-05-11 | Inoue Denshi Kk | Electrical controlling method for resistance welder |
JPS6120674A (en) * | 1984-07-06 | 1986-01-29 | Matsushita Electric Ind Co Ltd | Control device for resistance welder |
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