JPS621481U - - Google Patents
Info
- Publication number
- JPS621481U JPS621481U JP9263285U JP9263285U JPS621481U JP S621481 U JPS621481 U JP S621481U JP 9263285 U JP9263285 U JP 9263285U JP 9263285 U JP9263285 U JP 9263285U JP S621481 U JPS621481 U JP S621481U
- Authority
- JP
- Japan
- Prior art keywords
- composite video
- video signal
- circuit
- pulse
- frequency
- 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
- 239000002131 composite material Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は複合映像信号処理装置のブロツク図、第２図は
該装置の入出力信号の波形図である。
１……複合映像信号処理装置、４……高域補正
回路、６……同期分離回路、８……パルス発生回
路、１４……減衰回路。
The drawings show an embodiment of the present invention; FIG. 1 is a block diagram of a composite video signal processing device, and FIG. 2 is a waveform diagram of input and output signals of the device. 1...Composite video signal processing device, 4...High frequency correction circuit, 6...Synchronization separation circuit, 8...Pulse generation circuit, 14...Attenuation circuit.
Claims (1)
調する高域補正回路が設けられた複合映像信号処
理装置において、前記再生された複合映像信号か
ら水平同期信号を分離する同期分離回路と、この
同期分離回路で分離された水平同期信号に応答し
て前記高域補正回路で高域強調された複合映像信
号の水平帰線消去期間に対応したパルス幅の同期
パルスを発生するパルス発生回路と、このパルス
発生回路で発生された同期パルスに基づいて前記
高域強調された複合映像信号の水平帰線消去期間
内に含まれる高域周波数成分を減衰させる減衰回
路とを備えることを特徴とする複合映像信号処理
装置。 In a composite video signal processing device provided with a high frequency correction circuit that emphasizes high frequency components of a reproduced composite video signal, a synchronization separation circuit that separates a horizontal synchronization signal from the reproduced composite video signal; a pulse generating circuit that generates a synchronizing pulse having a pulse width corresponding to the horizontal blanking period of the composite video signal high-frequency emphasized by the high-frequency correction circuit in response to the horizontal synchronizing signal separated by the separation circuit; and an attenuation circuit that attenuates high-frequency components included within a horizontal blanking period of the high-frequency emphasized composite video signal based on a synchronization pulse generated by a pulse generation circuit. Signal processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9263285U JPS621481U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9263285U JPS621481U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS621481U true JPS621481U (en) | 1987-01-07 |
Family
ID=30649601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9263285U Pending JPS621481U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621481U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6160077A (en) * | 1984-08-31 | 1986-03-27 | Nec Home Electronics Ltd | Profile correcting device |
-
1985
- 1985-06-19 JP JP9263285U patent/JPS621481U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6160077A (en) * | 1984-08-31 | 1986-03-27 | Nec Home Electronics Ltd | Profile correcting device |
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