JPS6429972U - - Google Patents
Info
- Publication number
- JPS6429972U JPS6429972U JP12493387U JP12493387U JPS6429972U JP S6429972 U JPS6429972 U JP S6429972U JP 12493387 U JP12493387 U JP 12493387U JP 12493387 U JP12493387 U JP 12493387U JP S6429972 U JPS6429972 U JP S6429972U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- luminance signal
- detection means
- noise cancel
- emphasis
- 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 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Description
図は本考案の一実施例のブロツク図である。
３…デイエンフアシス回路、８…検波回路、９
…比較回路、２２…ノイズキヤンセル回路。
The figure is a block diagram of one embodiment of the present invention. 3... De-emphasis circuit, 8... Detection circuit, 9
...Comparison circuit, 22...Noise cancel circuit.
Claims (1)
再生輝度信号を入力とするデイエンフアシス回路
及びノイズキヤンセル回路と、前記検出手段出力
に基づいて、デイエンフアシス特性及び若しくは
ノイズキヤンセル量を制御する手段とよりなる画
質改善回路。 detection means for detecting the level of the reproduced luminance signal;
An image quality improvement circuit comprising a de-emphasis circuit and a noise cancel circuit which receive a reproduced luminance signal as input, and means for controlling a de-emphasis characteristic and/or a noise cancel amount based on the output of the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12493387U JPS6429972U (en) | 1987-08-17 | 1987-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12493387U JPS6429972U (en) | 1987-08-17 | 1987-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6429972U true JPS6429972U (en) | 1989-02-22 |
Family
ID=31375088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12493387U Pending JPS6429972U (en) | 1987-08-17 | 1987-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6429972U (en) |
-
1987
- 1987-08-17 JP JP12493387U patent/JPS6429972U/ja active Pending
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