JPS54150916A - Dynamic convergence control circuit - Google Patents
Dynamic convergence control circuitInfo
- Publication number
- JPS54150916A JPS54150916A JP5969978A JP5969978A JPS54150916A JP S54150916 A JPS54150916 A JP S54150916A JP 5969978 A JP5969978 A JP 5969978A JP 5969978 A JP5969978 A JP 5969978A JP S54150916 A JPS54150916 A JP S54150916A
- Authority
- JP
- Japan
- Prior art keywords
- cycle
- dynamic convergence
- signal components
- wave voltage
- circuit
- 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.)
- Granted
Links
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
PURPOSE: To ensure a fine and wide-range control of the dynamic convergence at each part of the screen by extracting selectively the signal components of the first and second halves of one cycle from each adder circuit and then compounding these signal components to supply them to the winding of the dynamic convergence yoke.
CONSTITUTION: Adder circuit 22 and 27 compounds the sine wave voltage defining one cycle of the parabola wave voltage as its one cycle or the full-wave rectified voltage in a free amplitude control way to the parabola wave voltage featuring the cycle coinciding with the horizontal or vertical deflecting cycle. And switch circuit 35 and 38 extract the signal components of the first and second halves of one cycle from circuit 22 and 27, and these two output signal components are added 40 together. Then the extracted composite signal is supplied to the horizontal or vertical winding of the dynamic convergence yoke. In this way, a fine and wide-range control is possible for the dynamic convergence at each part of the screen.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53059699A JPS5824070B2 (en) | 1978-05-18 | 1978-05-18 | dynamic convergence adjustment circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53059699A JPS5824070B2 (en) | 1978-05-18 | 1978-05-18 | dynamic convergence adjustment circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54150916A true JPS54150916A (en) | 1979-11-27 |
JPS5824070B2 JPS5824070B2 (en) | 1983-05-19 |
Family
ID=13120711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53059699A Expired JPS5824070B2 (en) | 1978-05-18 | 1978-05-18 | dynamic convergence adjustment circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5824070B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0070677A2 (en) * | 1981-07-14 | 1983-01-26 | Dai Nippon Printing Co., Ltd. | Video printing apparatus |
JPS5887991A (en) * | 1981-11-19 | 1983-05-25 | Sony Corp | Convergence correction circuit |
JPS58105682A (en) * | 1981-12-17 | 1983-06-23 | Sony Corp | Convergence circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4718648U (en) * | 1971-04-01 | 1972-11-01 |
-
1978
- 1978-05-18 JP JP53059699A patent/JPS5824070B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4718648U (en) * | 1971-04-01 | 1972-11-01 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0070677A2 (en) * | 1981-07-14 | 1983-01-26 | Dai Nippon Printing Co., Ltd. | Video printing apparatus |
JPS5887991A (en) * | 1981-11-19 | 1983-05-25 | Sony Corp | Convergence correction circuit |
JPS58105682A (en) * | 1981-12-17 | 1983-06-23 | Sony Corp | Convergence circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS5824070B2 (en) | 1983-05-19 |
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