JPS6242373U - - Google Patents
Info
- Publication number
- JPS6242373U JPS6242373U JP13287685U JP13287685U JPS6242373U JP S6242373 U JPS6242373 U JP S6242373U JP 13287685 U JP13287685 U JP 13287685U JP 13287685 U JP13287685 U JP 13287685U JP S6242373 U JPS6242373 U JP S6242373U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- current
- constant current
- focus
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は、この考案の電磁フオーカス回路の一
実施例を示す回路図、第２図は、従来の一例を示
す回路図である。
２……フオーカスコイル、３……定電流回路、
５……パラボラ信号発生回路、５ｂ……フライバ
ツクトランス、１１……電磁フオーカス回路。
FIG. 1 is a circuit diagram showing an embodiment of the electromagnetic focus circuit of this invention, and FIG. 2 is a circuit diagram showing a conventional example. 2... Focus coil, 3... Constant current circuit,
5... Parabolic signal generation circuit, 5b... Flyback transformer, 11... Electromagnetic focus circuit.
Claims (1)
制御するとともに、この定電流回路の電流設定値
を、偏向電流と同周期のパラボラ信号により補正
する電磁フオーカス回路であつて、受像管を流れ
るビーム電流にほぼ比例した直流信号を発生し、
この直流信号を前記パラボラ信号に重畳する直流
信号発生手段を設けてなる電磁フオーカス回路。 An electromagnetic focus circuit that controls the current flowing through the focus coil with a constant current circuit, and corrects the current setting value of this constant current circuit using a parabolic signal with the same period as the deflection current. Generates a DC signal approximately proportional to
An electromagnetic focus circuit comprising a DC signal generating means for superimposing this DC signal on the parabolic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13287685U JPS6242373U (en) | 1985-08-30 | 1985-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13287685U JPS6242373U (en) | 1985-08-30 | 1985-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6242373U true JPS6242373U (en) | 1987-03-13 |
Family
ID=31032667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13287685U Pending JPS6242373U (en) | 1985-08-30 | 1985-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6242373U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131169A (en) * | 1974-09-11 | 1976-03-17 | Hitachi Ltd | |
| JPS572167A (en) * | 1980-06-04 | 1982-01-07 | Hitachi Ltd | Focus compensating circuit |
-
1985
- 1985-08-30 JP JP13287685U patent/JPS6242373U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131169A (en) * | 1974-09-11 | 1976-03-17 | Hitachi Ltd | |
| JPS572167A (en) * | 1980-06-04 | 1982-01-07 | Hitachi Ltd | Focus compensating circuit |