JPS6484549A - Deflecting yoke device - Google Patents
Deflecting yoke deviceInfo
- Publication number
- JPS6484549A JPS6484549A JP24337787A JP24337787A JPS6484549A JP S6484549 A JPS6484549 A JP S6484549A JP 24337787 A JP24337787 A JP 24337787A JP 24337787 A JP24337787 A JP 24337787A JP S6484549 A JPS6484549 A JP S6484549A
- Authority
- JP
- Japan
- Prior art keywords
- vertical deflection
- diodes
- magnetic field
- period
- barrel distortion
- 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 correct trilemma by connecting in series to each other two diodes that are connected with reverse polarity in parallel to a set of coil parts for generating a pin cushion magnetic field and for generating a barrel magnetic field in a vertical deflection coil. CONSTITUTION:Diodes 32, 33 are in 'off' condition until the vertical deflection voltage reaches a determined value, so that only vertically inside saddle coils 28, 28 are operated, with vertically outside saddle oils 29, 29 being not operated, to increase the barrel distortion of the vertical deflection magnetic field. Then, the diodes 32, 33 are turned to 'on' condition when the vertical deflection voltage exceeds the determined value, and the barrel distortion of the vertical deflection magnetic field is reduced. Hence, it is possible to increase the barrel distortion of the vertical deflection magnetic field during the 'off' period of the diodes 32, 33 and to reduce during the 'on' period. Thus, reversal trilemma can be effectively removed by synchronizing the 'off' period of the diodes 32, 33 with the period during which an electron beam is scanning over a determined screen surface area.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24337787A JPS6484549A (en) | 1987-09-28 | 1987-09-28 | Deflecting yoke device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24337787A JPS6484549A (en) | 1987-09-28 | 1987-09-28 | Deflecting yoke device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6484549A true JPS6484549A (en) | 1989-03-29 |
Family
ID=17102945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24337787A Pending JPS6484549A (en) | 1987-09-28 | 1987-09-28 | Deflecting yoke device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6484549A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5397968A (en) * | 1992-09-18 | 1995-03-14 | Victor Company Of Japan, Ltd. | Deflection yoke |
US6003141A (en) * | 1995-08-30 | 1999-12-14 | Nec Corporation | Single chip processor with externally executed test function |
-
1987
- 1987-09-28 JP JP24337787A patent/JPS6484549A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5397968A (en) * | 1992-09-18 | 1995-03-14 | Victor Company Of Japan, Ltd. | Deflection yoke |
US6003141A (en) * | 1995-08-30 | 1999-12-14 | Nec Corporation | Single chip processor with externally executed test function |
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