JPH0266077U - - Google Patents
Info
- Publication number
- JPH0266077U JPH0266077U JP14494388U JP14494388U JPH0266077U JP H0266077 U JPH0266077 U JP H0266077U JP 14494388 U JP14494388 U JP 14494388U JP 14494388 U JP14494388 U JP 14494388U JP H0266077 U JPH0266077 U JP H0266077U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- coring
- frequency
- output
- 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
- 238000000034 method Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案のテレビジヨン受像機の主要部
のブロツク構成図、第２図は従来例の主要ブロツ
ク構成図、第３図はビーム電流（画面の明るさ）
とＡＢＬ回路の電圧との関係を示す特性図、第４
図はビーム電流とコアリングレベルとの関係を示
す特性図である。
２……チユーナ、３……ＩＦ（中間周波増幅回
路）、４……ＬＰＦ、５……ＨＰＦ、６……コア
リング回路、７……増幅器、８……加算器、９…
…信号処理回路、１０……ノズル低減回路、１１
……表示部、１２……ＡＢＬ（自動輝度制御）回
路、１３……コアリングレベル制御回路。
Figure 1 is a block diagram of the main parts of the television receiver of the present invention, Figure 2 is a diagram of the main block diagram of the conventional example, and Figure 3 is the beam current (screen brightness).
Characteristic diagram showing the relationship between and the voltage of the ABL circuit, 4th
The figure is a characteristic diagram showing the relationship between beam current and coring level. 2... tuner, 3... IF (intermediate frequency amplifier circuit), 4... LPF, 5... HPF, 6... coring circuit, 7... amplifier, 8... adder, 9...
...Signal processing circuit, 10...Nozzle reduction circuit, 11
. . . Display section, 12 . . . ABL (automatic brightness control) circuit, 13 . . . Coring level control circuit.
Claims (1)
信号を低減成分と高域成分とに分離して夫々出力
する低域波器及び高域波器と、該高域波器
からの輝度信号の高域成分をコアリングしてノイ
ズ成分を除去するコアリング回路と、該コアリン
グ回路の出力信号と上記低域波器の出力信号と
を加算する加算回路と、該加算回路からの信号を
入力して映像信号の処理を行なう信号処理回路と
、該信号処理回路からの信号を画像表示する表示
部とを少くとも備えたテレビジヨン受像機におい
て、 上記コアリング回路をそのコアリングレベルが
変化し得るよう構成すると共に、上記表示部の画
像の明るさを検出するＡＢＬ回路と、該ＡＢＬ回
路の出力に応じて上記コアリング回路のコアリン
グレベルを制御するコアリングレベル制御回路と
を更に具備したことを特徴とするテレビジヨン受
像機。[Claims for Utility Model Registration] A low-frequency amplifier and a high-frequency amplifier that separate a luminance signal obtained by Y/C separation from an input video signal into a reduction component and a high-frequency component and output the respective components; a coring circuit for coring a high-frequency component of a luminance signal from a high-frequency wave generator to remove a noise component; and an addition circuit for adding an output signal of the coring circuit and an output signal of the low-frequency wave generator. , a television receiver comprising at least a signal processing circuit that inputs a signal from the adder circuit and processes a video signal, and a display section that displays the signal from the signal processing circuit as an image; The circuit is configured such that its coring level can be changed, and an ABL circuit that detects the brightness of the image of the display section, and a core that controls the coring level of the coring circuit in accordance with the output of the ABL circuit. A television receiver further comprising a ring level control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14494388U JPH0266077U (en) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14494388U JPH0266077U (en) | 1988-11-08 | 1988-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0266077U true JPH0266077U (en) | 1990-05-18 |
Family
ID=31413097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14494388U Pending JPH0266077U (en) | 1988-11-08 | 1988-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0266077U (en) |
-
1988
- 1988-11-08 JP JP14494388U patent/JPH0266077U/ja active Pending
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