JPS599674U - Dynamic focus circuit - Google Patents
Dynamic focus circuitInfo
- Publication number
- JPS599674U JPS599674U JP10391682U JP10391682U JPS599674U JP S599674 U JPS599674 U JP S599674U JP 10391682 U JP10391682 U JP 10391682U JP 10391682 U JP10391682 U JP 10391682U JP S599674 U JPS599674 U JP S599674U
- Authority
- JP
- Japan
- Prior art keywords
- series
- dynamic focus
- focus circuit
- character
- ray tube
- 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
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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) [Abstract] 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・フォーカス回路の一例の
回路図、第２図及び第３図は本考案回路の各実施例の回
路図である。
３・・・トランス、４・・・陰極線管、５，６・・・電
源端子、Ｌ□〜Ｌ４・・・コイル、Ｃ工〜Ｃ８・・・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 FIGS. 2 and 3 are circuit diagrams of each embodiment of the circuit of the present invention. 3...Transformer, 4...Cathode ray tube, 5,6...Power terminal, L□~L4...Coil, C~C8...Capacitor, SW...Switch.
Claims (1)
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た第１のＳ
字補正用ロンデンサと、該第１の８字補正用コンデンサ
に直列接続され互いに並列（又は直列）接続された複数
の第２の８字補正用コンデンサと、該複数の第２の８字
補正用コンデンサのいずれかのコンデンサと直列に設け
られ選定された方式に応じて開閉成されるスイッチと、
該第１の８字補正用コンデンサと並列接続された１次コ
イルにパラボラ電圧を供給されて２次コイルより該パラ
ボラ電圧の反転した波形の電圧を取り出し上記極線管の
フォーガス電極に供給するトランスとよりなるダイナミ
ック・フォーカス回路。In a dynamic focus circuit of a receiver using a cathode ray tube that selects one of different horizontal deflection frequencies for reproduction, a first S connected in series with a deflection coil is used.
a plurality of second character-eight correction capacitors connected in series to the first character-eight correction capacitor and connected in parallel (or in series) to each other; a switch provided in series with one of the capacitors and opened and closed according to the selected method;
A parabolic voltage is supplied to the primary coil connected in parallel with the first figure-8 correction capacitor, and a voltage having an inverted waveform of the parabolic voltage is extracted from the secondary coil and supplied to the four gas electrode of the polar ray tube. Dynamic focus circuit consisting of a transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10391682U JPS599674U (en) | 1982-07-09 | 1982-07-09 | Dynamic focus circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10391682U JPS599674U (en) | 1982-07-09 | 1982-07-09 | Dynamic focus circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS599674U true JPS599674U (en) | 1984-01-21 |
Family
ID=30244234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10391682U Pending JPS599674U (en) | 1982-07-09 | 1982-07-09 | Dynamic focus circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS599674U (en) |
Cited By (2)
| 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 |
| JPS63189049A (en) * | 1987-01-31 | 1988-08-04 | Nec Home Electronics Ltd | Switching circuit for correction control of side pin |
-
1982
- 1982-07-09 JP JP10391682U patent/JPS599674U/en active Pending
Cited By (2)
| 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 |
| JPS63189049A (en) * | 1987-01-31 | 1988-08-04 | Nec Home Electronics Ltd | Switching circuit for correction control of side pin |
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