JPS6037983U - Synchronous signal waveform shaping circuit - Google Patents
Synchronous signal waveform shaping circuitInfo
- Publication number
- JPS6037983U JPS6037983U JP12941783U JP12941783U JPS6037983U JP S6037983 U JPS6037983 U JP S6037983U JP 12941783 U JP12941783 U JP 12941783U JP 12941783 U JP12941783 U JP 12941783U JP S6037983 U JPS6037983 U JP S6037983U
- Authority
- JP
- Japan
- Prior art keywords
- synchronization signal
- signal
- circuit
- signal waveform
- waveform shaping
- 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
Landscapes
- Synchronizing For Television (AREA)
- Television Signal Processing For Recording (AREA)
- Color Television Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はコンポーネント記録方式のＶＴＲを示すブロッ
ク図、第２図及び第３図はその信号処理動作の説明に供
する路線図及び信号波形図、第４図は再生された同期信
号の波形と基準テレビジョン信号の同期信号の波形との
差異を詳細に示す信号波形図、第５図は本考案による同
期信号波形整形回路の一実施例を示すブロック図、第６
図はその各部の信号を示す信号波形図である。
１・・・・・・記録用ＶＴＲ，５・・・・・・テープ、
６・・・・・・再生用ＶＴＲ，１５・・・・・・バッフ
ァ増幅回路、１６・・・・・・同期信号分離回路、１７
・・・・・・クランプ回路、１８・・・・・・タイミン
グパルス発生回路、１９・・・・・・ディレィ回路、２
０・・・・・・ブランキング回路、２１・・・・・・同
期信号付加回路、２２・・・・・・バッファ出力回路。Figure 1 is a block diagram showing a component recording type VTR, Figures 2 and 3 are route maps and signal waveform diagrams to explain its signal processing operation, and Figure 4 is the waveform and reference of the reproduced synchronization signal. FIG. 5 is a block diagram showing an embodiment of the synchronization signal waveform shaping circuit according to the present invention; FIG.
The figure is a signal waveform diagram showing signals at each part. 1... Recording VTR, 5... Tape,
6... VTR for reproduction, 15... Buffer amplifier circuit, 16... Synchronous signal separation circuit, 17
... Clamp circuit, 18 ... Timing pulse generation circuit, 19 ... Delay circuit, 2
0...Blanking circuit, 21...Synchronizing signal addition circuit, 22...Buffer output circuit.
Claims (1)
波形をもつ入力ビデオ信号を受けて上記同期信号に応動
して上記同期信号の区間に相当するブランキングパルス
及び標準テレビジョン信号の同期信号に相当するタイミ
ング及び時間幅をもつ修正同期パルスを発生するタイミ
ングパルス発生回路と、上記人力ビデオ信号を受けて上
記ブランキングパルスに相当する区間をブランキングす
るブランキング回路と、このブランキング回路の出力信
号に上記修正同期信号をはめ込む同期信号付加回路とを
具えることを特徴とする同期信号波形整形回路。Receiving an input video signal having a synchronization signal waveform obtained by inserting a reference synchronization signal into the synchronization signal section, in response to the synchronization signal, a blanking pulse corresponding to the synchronization signal section and a synchronization signal of a standard television signal are generated. a timing pulse generation circuit that generates a modified synchronization pulse having a timing and time width corresponding to , a blanking circuit that receives the human-powered video signal and blanks a section corresponding to the blanking pulse; A synchronization signal waveform shaping circuit comprising: a synchronization signal addition circuit that inserts the modified synchronization signal into an output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12941783U JPS6037983U (en) | 1983-08-22 | 1983-08-22 | Synchronous signal waveform shaping circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12941783U JPS6037983U (en) | 1983-08-22 | 1983-08-22 | Synchronous signal waveform shaping circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6037983U true JPS6037983U (en) | 1985-03-15 |
Family
ID=30293243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12941783U Pending JPS6037983U (en) | 1983-08-22 | 1983-08-22 | Synchronous signal waveform shaping circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6268370A (en) * | 1985-09-19 | 1987-03-28 | Matsushita Electric Ind Co Ltd | Pseudo synchronizing signal generating circuit |
| WO1990002463A1 (en) * | 1988-08-31 | 1990-03-08 | Matsushita Electric Industrial Co., Ltd. | Synchronizing signal separator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3059052A (en) * | 1960-11-28 | 1962-10-16 | Ampex | Signal generator |
| JPS5713882A (en) * | 1980-06-26 | 1982-01-23 | Matsushita Electric Ind Co Ltd | Recording and reproducing device for video signal |
-
1983
- 1983-08-22 JP JP12941783U patent/JPS6037983U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3059052A (en) * | 1960-11-28 | 1962-10-16 | Ampex | Signal generator |
| JPS5713882A (en) * | 1980-06-26 | 1982-01-23 | Matsushita Electric Ind Co Ltd | Recording and reproducing device for video signal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6268370A (en) * | 1985-09-19 | 1987-03-28 | Matsushita Electric Ind Co Ltd | Pseudo synchronizing signal generating circuit |
| WO1990002463A1 (en) * | 1988-08-31 | 1990-03-08 | Matsushita Electric Industrial Co., Ltd. | Synchronizing signal separator |
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