JPS5496926A - Beam index type color television picture receiver - Google Patents
Beam index type color television picture receiverInfo
- Publication number
- JPS5496926A JPS5496926A JP543278A JP543278A JPS5496926A JP S5496926 A JPS5496926 A JP S5496926A JP 543278 A JP543278 A JP 543278A JP 543278 A JP543278 A JP 543278A JP S5496926 A JPS5496926 A JP S5496926A
- Authority
- JP
- Japan
- Prior art keywords
- scanning signal
- reproduction
- chroma
- chroma scanning
- 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.)
- Pending
Links
Abstract
PURPOSE: To facilitate an easy chroma scanning action as well as to simplify the circuit constitution by securing the same frequency for the chroma scanning signal at reproduction of the intermediate color as the chroma scanning signal at reproduction of the primary color.
CONSTITUTION: The three primary color fluorescent substances R (red), G (green) and B (blue) are arrayed repetitively in stripes on the inner surface of face plate 2 of CRT1 as if they held guard band 3 of black color between, and then index element 4 is added with a regular relation with R, G and B respectively. The electron beam is swept to plate 2, and the impact of the electron beam is given to R, G and B via the index signal produced from element 4. In such TV picture receiver, the spot diameter of the electron beam is set larger than the width of guard band 3. And the same frequency is secured for the chroma scanning signal to be applied to auxiliary deflecting coil 11 at reproduction of the intermediate color as the chroma scanning signal at reproduction of the primary color. And the horizontal deflecting scanning is retarded for the chroma scanning signal at the part of band 3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP543278A JPS5496926A (en) | 1978-01-17 | 1978-01-17 | Beam index type color television picture receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP543278A JPS5496926A (en) | 1978-01-17 | 1978-01-17 | Beam index type color television picture receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5496926A true JPS5496926A (en) | 1979-07-31 |
Family
ID=11611021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP543278A Pending JPS5496926A (en) | 1978-01-17 | 1978-01-17 | Beam index type color television picture receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5496926A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5787686A (en) * | 1980-11-20 | 1982-06-01 | Sanyo Electric Co Ltd | Beam index type color television receiver |
US4617591A (en) * | 1984-01-09 | 1986-10-14 | Hitachi, Ltd. | Chroma scanning circuit for use in beam index type color picture reproducing apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5275224A (en) * | 1975-12-19 | 1977-06-24 | Sanyo Electric Co Ltd | Index color receiving tube |
-
1978
- 1978-01-17 JP JP543278A patent/JPS5496926A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5275224A (en) * | 1975-12-19 | 1977-06-24 | Sanyo Electric Co Ltd | Index color receiving tube |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5787686A (en) * | 1980-11-20 | 1982-06-01 | Sanyo Electric Co Ltd | Beam index type color television receiver |
JPH0221197B2 (en) * | 1980-11-20 | 1990-05-14 | Sanyo Electric Co | |
US4617591A (en) * | 1984-01-09 | 1986-10-14 | Hitachi, Ltd. | Chroma scanning circuit for use in beam index type color picture reproducing apparatus |
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