JPS6298382U - - Google Patents
Info
- Publication number
- JPS6298382U JPS6298382U JP19008985U JP19008985U JPS6298382U JP S6298382 U JPS6298382 U JP S6298382U JP 19008985 U JP19008985 U JP 19008985U JP 19008985 U JP19008985 U JP 19008985U JP S6298382 U JPS6298382 U JP S6298382U
- Authority
- JP
- Japan
- Prior art keywords
- television receiver
- strength
- radio waves
- received radio
- quality control
- 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
- 238000003908 quality control method Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
Landscapes
- Television Receiver Circuits (AREA)
- Picture Signal Circuits (AREA)
Description
第１図は、この考案のテレビジヨン受像機の画
質制御回路の一実施例を示す回路図、第２図は、
第１図のテレビジヨン受像機の画質制御回路にお
ける画質制御電圧出力端子に接続する映像信号増
幅回路の一例を示す回路図である。
図において、１……ＡＧＣ電圧入力端子、２…
…画質制御電圧出力端子、３，４……増幅器（Ａ
ＭＰ）、５……ハイパス・フイルタ（ＨＰＦ）、
６……映像信号増幅回路の制御端子、Ｑ……トラ
ンジスタ、Ｒｂ，Ｒｃ……分圧抵抗である。
FIG. 1 is a circuit diagram showing an embodiment of the image quality control circuit of the television receiver of this invention, and FIG.
2 is a circuit diagram showing an example of a video signal amplification circuit connected to an image quality control voltage output terminal in the image quality control circuit of the television receiver shown in FIG. 1. FIG. In the figure, 1...AGC voltage input terminal, 2...
...Image quality control voltage output terminal, 3, 4...Amplifier (A
MP), 5... High pass filter (HPF),
6... Control terminal of the video signal amplification circuit, Q... Transistor, Rb, Rc... Voltage dividing resistors.
Claims (1)
利得を自動的に制御するＡＧＣ回路から出力され
るＡＧＣ電圧を入力し、前記受像電波の強弱に応
じた出力信号により、自動的に画像の緑の立上り
を変化させ、見かけ上の鮮鋭度を良くする応動手
段を備えたことを特徴とするテレビジヨン受像機
の画質制御回路。 The AGC voltage output from the AGC circuit that automatically controls the gain of the television receiver according to the strength of the received radio waves is input, and the green color of the image is automatically adjusted by the output signal according to the strength of the received radio waves. An image quality control circuit for a television receiver, characterized in that it is equipped with a responsive means for changing the rising edge and improving apparent sharpness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19008985U JPS6298382U (en) | 1985-12-10 | 1985-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19008985U JPS6298382U (en) | 1985-12-10 | 1985-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6298382U true JPS6298382U (en) | 1987-06-23 |
Family
ID=31142982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19008985U Pending JPS6298382U (en) | 1985-12-10 | 1985-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6298382U (en) |
-
1985
- 1985-12-10 JP JP19008985U patent/JPS6298382U/ja active Pending
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