JPS6417588A - Parallel drive deflection circuit - Google Patents
Parallel drive deflection circuitInfo
- Publication number
- JPS6417588A JPS6417588A JP62172775A JP17277587A JPS6417588A JP S6417588 A JPS6417588 A JP S6417588A JP 62172775 A JP62172775 A JP 62172775A JP 17277587 A JP17277587 A JP 17277587A JP S6417588 A JPS6417588 A JP S6417588A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- phases
- zero
- varies
- zero point
- 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
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
PURPOSE:To prevent convergence dislocation from a screen center by correcting all the zero-point phases of a deflection current detected by a zero point detection means so that they coincide with each other. CONSTITUTION:When the linearity of a deflection current varies and its zero point shifts, the phase of the leading edge of an output E1 from the zero point detection circuit 11 also is shifted, and an output E2 from a phase comparator 13 varies as well. Accordingly, the delay amount of a phase correction circuit 12 varies. The direction of this variation is set in the direction of correcting the phase-shift of the zero point, hence, said phase shift is corrected so that the phases coincides with each other. Since the zero-point phases of the deflection currents of two horizontal deflection circuits 1, 2 can thus be made always coincident with each other, the horizontal phases of an image coincides with each other at the center of the screen even when the linearity of deflection current varies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62172775A JPS6417588A (en) | 1987-07-13 | 1987-07-13 | Parallel drive deflection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62172775A JPS6417588A (en) | 1987-07-13 | 1987-07-13 | Parallel drive deflection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6417588A true JPS6417588A (en) | 1989-01-20 |
Family
ID=15948112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62172775A Pending JPS6417588A (en) | 1987-07-13 | 1987-07-13 | Parallel drive deflection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6417588A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0418851U (en) * | 1990-06-06 | 1992-02-17 |
-
1987
- 1987-07-13 JP JP62172775A patent/JPS6417588A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0418851U (en) * | 1990-06-06 | 1992-02-17 |
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