JPS61113469U - - Google Patents
Info
- Publication number
- JPS61113469U JPS61113469U JP19644384U JP19644384U JPS61113469U JP S61113469 U JPS61113469 U JP S61113469U JP 19644384 U JP19644384 U JP 19644384U JP 19644384 U JP19644384 U JP 19644384U JP S61113469 U JPS61113469 U JP S61113469U
- Authority
- JP
- Japan
- Prior art keywords
- main image
- information
- signal
- control circuit
- display
- 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
- 230000002238 attenuated effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
Landscapes
- Studio Circuits (AREA)
Description
第１図は本考案に係る制御回路の一実施例を示
す回路図、第２図は同上回路の各部動作波形を示
す波形図、第３図は従来のスーパーインポーズ回
路を示す回路図、第４図は従来の動作波形を示す
波形図である。
１……クランプ回路、４……フレーム信号発生
手段、５……加算器、６……フオワード表示信号
発生手段、１１，１２，１４……抵抗、１３，１
５……トランジスタ、１６……電圧源。
FIG. 1 is a circuit diagram showing an embodiment of the control circuit according to the present invention, FIG. 2 is a waveform diagram showing the operation waveforms of each part of the same circuit, and FIG. 3 is a circuit diagram showing a conventional superimpose circuit. FIG. 4 is a waveform diagram showing conventional operating waveforms. DESCRIPTION OF SYMBOLS 1... Clamp circuit, 4... Frame signal generation means, 5... Adder, 6... Forward display signal generation means, 11, 12, 14... Resistor, 13, 1
5...transistor, 16...voltage source.
Claims (1)
示するにあたり、その情報の輪郭周縁部の主映像
をハーフトーン化する表示画面の制御回路であつ
て、 前記主映像信号が供給され、この信号の直流及
び交流成分を前記フオワード表示情報の表示領域
を含む輪郭周縁期間に減衰させる手段と、この減
衰手段に付加されて、減衰される信号の直流電位
の下限を設定する手段とを具備したことを特徴と
する表示画面の制御回路。[Claims for Utility Model Registration] A control circuit for a display screen that halftones a main image at the periphery of the outline of the information when forward displaying another image information on a main image screen, wherein the main image signal is means for attenuating the DC and AC components of the supplied signal in a contour peripheral period including the display area of the forward display information; and means added to the attenuation means for setting a lower limit of the DC potential of the signal to be attenuated. A control circuit for a display screen, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19644384U JPS61113469U (en) | 1984-12-27 | 1984-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19644384U JPS61113469U (en) | 1984-12-27 | 1984-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61113469U true JPS61113469U (en) | 1986-07-17 |
Family
ID=30754211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19644384U Pending JPS61113469U (en) | 1984-12-27 | 1984-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61113469U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63187973A (en) * | 1987-01-30 | 1988-08-03 | Ricoh Co Ltd | Character data superimposing device |
| JPH0630338A (en) * | 1990-11-28 | 1994-02-04 | Gold Star Co Ltd | Caption video cassette recorder and method for reception of caption control signal |
-
1984
- 1984-12-27 JP JP19644384U patent/JPS61113469U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63187973A (en) * | 1987-01-30 | 1988-08-03 | Ricoh Co Ltd | Character data superimposing device |
| JPH0630338A (en) * | 1990-11-28 | 1994-02-04 | Gold Star Co Ltd | Caption video cassette recorder and method for reception of caption control signal |
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