JPS58184971U - Dynamic focus circuit - Google Patents
Dynamic focus circuitInfo
- Publication number
- JPS58184971U JPS58184971U JP8045182U JP8045182U JPS58184971U JP S58184971 U JPS58184971 U JP S58184971U JP 8045182 U JP8045182 U JP 8045182U JP 8045182 U JP8045182 U JP 8045182U JP S58184971 U JPS58184971 U JP S58184971U
- Authority
- JP
- Japan
- Prior art keywords
- focus circuit
- coil
- dynamic focus
- capacitors
- switch
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のダイナミックフォーカス回路の１例の回
路図、第２図は本発明回路の回路図である。
３・・・トランス、４・・・陰極線管、５．６・・・電
源端子、Ｌ１〜Ｌ、・・・コイル、０１〜Ｃ３・・・コ
ンデンサ、ＳＷ・・・スイッチ。FIG. 1 is a circuit diagram of an example of a conventional dynamic focus circuit, and FIG. 2 is a circuit diagram of a circuit of the present invention. 3...Transformer, 4...Cathode ray tube, 5.6...Power terminal, L1-L,...Coil, 01-C3...Capacitor, SW...Switch.
Claims (1)
て再生する陰極線管を用いた受像機のダイナミック・フ
ォーカス回路において、偏向コイルに直列接続され互い
に並列接続された複数のＳ゛字補正用コンデンサのいず
れかのコンデンサと接地間に設けられ選定された方式に
応じて開閉成されるスイッチと、該偏向コイルと該複数
の８字補正用コンデンサとの接続点より１次コイルにパ
ラボラ電圧を供給されると共に、２次コイルの一端を該
スイッチの該コンデンサの接続された側の端子に接続さ
れて該２次コイルの他端より該パラボラ電圧の反転した
波形のフォーカス電圧を取り出すトランスとよりなるグ
イデミツク・フォーカス回路。In the dynamic focus circuit of a receiver using a cathode ray tube that selects and reproduces one of several methods with different horizontal deflection frequencies, a plurality of S-shaped correction capacitors are connected in series to the deflection coil and connected in parallel to each other. A switch is provided between one of the capacitors and the ground and is opened and closed according to the selected method, and a parabolic voltage is supplied to the primary coil from the connection point between the deflection coil and the plurality of figure-8 correction capacitors. and a transformer having one end of the secondary coil connected to the terminal of the switch on the side connected to the capacitor and extracting a focus voltage having an inverted waveform of the parabolic voltage from the other end of the secondary coil. Guidemic focus circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8045182U JPS58184971U (en) | 1982-05-31 | 1982-05-31 | Dynamic focus circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8045182U JPS58184971U (en) | 1982-05-31 | 1982-05-31 | Dynamic focus circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58184971U true JPS58184971U (en) | 1983-12-08 |
Family
ID=30089596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8045182U Pending JPS58184971U (en) | 1982-05-31 | 1982-05-31 | Dynamic focus circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58184971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134182A (en) * | 1984-11-30 | 1986-06-21 | アールシーエー トムソン ライセンシング コーポレイシヨン | Focusing voltage generator |
-
1982
- 1982-05-31 JP JP8045182U patent/JPS58184971U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134182A (en) * | 1984-11-30 | 1986-06-21 | アールシーエー トムソン ライセンシング コーポレイシヨン | Focusing voltage generator |
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