JPS61131169U - - Google Patents
Info
- Publication number
- JPS61131169U JPS61131169U JP1451185U JP1451185U JPS61131169U JP S61131169 U JPS61131169 U JP S61131169U JP 1451185 U JP1451185 U JP 1451185U JP 1451185 U JP1451185 U JP 1451185U JP S61131169 U JPS61131169 U JP S61131169U
- Authority
- JP
- Japan
- Prior art keywords
- parabolic
- circuit
- waveform
- vertical
- potential
- 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
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Details Of Television Scanning (AREA)
Description
第１図は本考案の一実施例によるデイスプレイ
モニタ装置のパラボラ波発生装置を示し、第１図
ａはその回路図、第１図ｂ，ｃはその波形整形回
路にて波形整形された鋸歯状波及びこれより得ら
れたパラボラ波形を示す図、第１図ｄはそのパラ
ボラ波で補正されたラスタの状態を示す図、第２
図は従来のデイスプレイモニタ装置のパラボラ波
発生装置を示し、第２図ａはその回路図、第２図
ｂ，ｃは垂直偏向電流の流れる抵抗の両端に発生
する鋸歯状波及びこれより得られたパラボラ波形
を示す図、第２図ｄはそのパラボラ波で補正され
たラスタの状態を示す図である。
８０……波形整形回路、７０……パラボラ波形
作成回路。
Fig. 1 shows a parabolic wave generator for a display monitor device according to an embodiment of the present invention, Fig. 1a is its circuit diagram, and Figs. Figure 1 d is a diagram showing the state of the raster corrected by the parabolic wave, Figure 2 is a diagram showing the parabolic waveform obtained from the wave
The figure shows a parabolic wave generator for a conventional display monitor device. Figure 2a is its circuit diagram, and Figures 2b and 2c show the sawtooth wave generated at both ends of a resistor through which a vertical deflection current flows, and the waveform obtained from this. FIG. 2d is a diagram showing the state of the raster corrected by the parabolic wave. 80... Waveform shaping circuit, 70... Parabolic waveform creation circuit.
Claims (1)
帰線期間の電位を有効垂直走査の終点の電位と同
電位とする波形整形回路と、この回路の出力波形
を積分又は乗算しパラボラ波形を作成するバラボ
ラ波形成回路とを備えたことを特徴とするデイス
プレイモニタ装置のパラボラ波発生装置。 A waveform shaping circuit that shapes the sawtooth wave of the vertical deflection period to make the potential during the vertical retrace period the same as the potential at the end point of the effective vertical scan, and integrates or multiplies the output waveform of this circuit to create a parabolic waveform. 1. A parabolic wave generating device for a display monitor device, comprising a parabolic wave forming circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1451185U JPS61131169U (en) | 1985-02-04 | 1985-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1451185U JPS61131169U (en) | 1985-02-04 | 1985-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61131169U true JPS61131169U (en) | 1986-08-16 |
Family
ID=30499503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1451185U Pending JPS61131169U (en) | 1985-02-04 | 1985-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61131169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63284976A (en) * | 1987-05-18 | 1988-11-22 | Hitachi Ltd | Deflection distortion correction circuit |
-
1985
- 1985-02-04 JP JP1451185U patent/JPS61131169U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63284976A (en) * | 1987-05-18 | 1988-11-22 | Hitachi Ltd | Deflection distortion correction circuit |