JPS61104678U - - Google Patents
Info
- Publication number
- JPS61104678U JPS61104678U JP18806084U JP18806084U JPS61104678U JP S61104678 U JPS61104678 U JP S61104678U JP 18806084 U JP18806084 U JP 18806084U JP 18806084 U JP18806084 U JP 18806084U JP S61104678 U JPS61104678 U JP S61104678U
- Authority
- JP
- Japan
- Prior art keywords
- contour correction
- signal
- reference voltage
- voltage value
- vertical contour
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案の垂直輪郭補正装置の一実施例
を示す回路図、第２図〜第４図は第１図の回路の
動作説明用信号波形図である。
３０…垂直輪郭補正回路、６０…ピーク抑圧回
路。
FIG. 1 is a circuit diagram showing one embodiment of the vertical contour correction device of the present invention, and FIGS. 2 to 4 are signal waveform diagrams for explaining the operation of the circuit of FIG. 1. 30... Vertical contour correction circuit, 60... Peak suppression circuit.
Claims (1)
垂直方向の輪郭補正を行い、輪郭強調用信号が付
加された映像信号を得るようにした垂直輪郭補正
手段と、 この垂直輪郭補正手段に接続され上記映像信号
に付加された輪郭強調用信号のピークレベルを予
め定められたレベル範囲内に規制するための手段
であつて、基準電圧源、およびこの基準電圧源の
電圧値と前記輪郭強調用信号とのレベル差に応答
して導通状態が変化し、基準電圧値を越える信号
ピーク部分をその基準電圧値で決るレベルに規制
する能動素子を有したピーク抑圧手段とを具備し
て成る垂直輪郭補正装置。[Claims for Utility Model Registration] Vertical contour correction means for selectively performing vertical contour correction on a video signal representing a two-dimensional image to obtain a video signal to which a contour enhancement signal is added; Means for regulating the peak level of the contour enhancement signal connected to the vertical contour correction means and added to the video signal to within a predetermined level range, and comprising: a reference voltage source; peak suppressing means having an active element whose conduction state changes in response to a level difference between a voltage value and the edge enhancement signal, and which regulates a signal peak portion exceeding a reference voltage value to a level determined by the reference voltage value; A vertical contour correction device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18806084U JPS61104678U (en) | 1984-12-13 | 1984-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18806084U JPS61104678U (en) | 1984-12-13 | 1984-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61104678U true JPS61104678U (en) | 1986-07-03 |
Family
ID=30745531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18806084U Pending JPS61104678U (en) | 1984-12-13 | 1984-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104678U (en) |
-
1984
- 1984-12-13 JP JP18806084U patent/JPS61104678U/ja active Pending
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