JPS6381463U - - Google Patents
Info
- Publication number
- JPS6381463U JPS6381463U JP17427386U JP17427386U JPS6381463U JP S6381463 U JPS6381463 U JP S6381463U JP 17427386 U JP17427386 U JP 17427386U JP 17427386 U JP17427386 U JP 17427386U JP S6381463 U JPS6381463 U JP S6381463U
- Authority
- JP
- Japan
- Prior art keywords
- output
- order differential
- differential signal
- amplitude
- reproduced
- 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
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Description
図は本考案の実施例の回路ブロツク図である。
１４……２次微分回路、１５……アツテネータ
（振幅調整手段）、１３……加算回路（混合手段
）、１６……エンベロープ検波回路。
The figure is a circuit block diagram of an embodiment of the present invention. 14...Second order differential circuit, 15...Attenuator (amplitude adjustment means), 13...Addition circuit (mixing means), 16...Envelope detection circuit.
Claims (1)
検出するエンベロープ検出手段と、再生された輝
度信号の２次微分信号を作成する２次微分信号作
成手段と、前記２次微分信号を入力として前記エ
ンベロープ検出手段の出力に応じて前記２次微分
信号の振幅を調整する振幅調整手段と、この振幅
調整手段出力と前記再生された輝度信号とを混合
する手段とよりなる画質調整回路。 an envelope detecting means for detecting an envelope level of the reproduced output from the head; a second-order differential signal creating means for creating a second-order differential signal of the reproduced luminance signal; An image quality adjustment circuit comprising an amplitude adjustment means for adjusting the amplitude of the second-order differential signal according to the output, and a means for mixing the output of the amplitude adjustment means with the reproduced luminance signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17427386U JPS6381463U (en) | 1986-11-13 | 1986-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17427386U JPS6381463U (en) | 1986-11-13 | 1986-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381463U true JPS6381463U (en) | 1988-05-28 |
Family
ID=31112502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17427386U Pending JPS6381463U (en) | 1986-11-13 | 1986-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381463U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030277A (en) * | 1983-07-29 | 1985-02-15 | Hitachi Ltd | Video camera signal processing circuit |
-
1986
- 1986-11-13 JP JP17427386U patent/JPS6381463U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030277A (en) * | 1983-07-29 | 1985-02-15 | Hitachi Ltd | Video camera signal processing circuit |
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