JPS623171U - - Google Patents
Info
- Publication number
- JPS623171U JPS623171U JP9501785U JP9501785U JPS623171U JP S623171 U JPS623171 U JP S623171U JP 9501785 U JP9501785 U JP 9501785U JP 9501785 U JP9501785 U JP 9501785U JP S623171 U JPS623171 U JP S623171U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- analog switch
- switch means
- composite video
- reference power
- 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 4
- 230000037430 deletion Effects 0.000 claims 1
- 238000012217 deletion Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図、第３図は本考案を説明するための各部の波形
図、第４図は従来の実施例の回路図、第５図は従
来の実施例の回路図を説明するための波形図であ
る。
１……複合映像信号入力端子、３……クランプ
用コンデンサ、４Ａ，４Ｂ，４Ｃ……アナログス
イツチ、５，４８……直流電源。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
Figure 3 is a waveform diagram of each part to explain the present invention, Figure 4 is a circuit diagram of a conventional embodiment, and Figure 5 is a waveform diagram to explain a circuit diagram of a conventional embodiment. . 1... Composite video signal input terminal, 3... Clamp capacitor, 4A, 4B, 4C... Analog switch, 5, 48... DC power supply.
Claims (1)
号部分のみを取り出す同期信号削除回路において (a) 複合映像信号のバツクポーチ期間に基準電
源を供給する第１のアナログスイツチ手段と (b) 前記複合映像信号の映像信号伝送期間に前
記基準電源の電位を保持しつつ映像信号を伝達す
る第２のアナログスイツチ手段と (c) 前記複合映像信号の水平帰線消去期間に基
準電源に導通する第３のアナログスイツチ手段 とを備えた同期信号削除回路。[Claims for Utility Model Registration] In a synchronization signal deletion circuit for deleting a synchronization signal portion from a composite video signal and extracting only the video signal portion, (a) a first analog switch means for supplying a reference power during a backport period of the composite video signal; and (b) a second analog switch means for transmitting the video signal while maintaining the potential of the reference power source during the video signal transmission period of the composite video signal; and third analog switch means conducting to the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9501785U JPS623171U (en) | 1985-06-22 | 1985-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9501785U JPS623171U (en) | 1985-06-22 | 1985-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS623171U true JPS623171U (en) | 1987-01-09 |
Family
ID=30653940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9501785U Pending JPS623171U (en) | 1985-06-22 | 1985-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS623171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08266696A (en) * | 1995-03-30 | 1996-10-15 | Jiyapaana:Kk | Gold bag |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6014566B2 (en) * | 1980-01-12 | 1985-04-15 | 藤井電工株式会社 | Self-propelled spacecraft for multi-conductor power transmission lines |
-
1985
- 1985-06-22 JP JP9501785U patent/JPS623171U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6014566B2 (en) * | 1980-01-12 | 1985-04-15 | 藤井電工株式会社 | Self-propelled spacecraft for multi-conductor power transmission lines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08266696A (en) * | 1995-03-30 | 1996-10-15 | Jiyapaana:Kk | Gold bag |
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