JPH0275871U - - Google Patents
Info
- Publication number
- JPH0275871U JPH0275871U JP15459488U JP15459488U JPH0275871U JP H0275871 U JPH0275871 U JP H0275871U JP 15459488 U JP15459488 U JP 15459488U JP 15459488 U JP15459488 U JP 15459488U JP H0275871 U JPH0275871 U JP H0275871U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- input composite
- composite video
- circuit
- signal
- 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
- 238000000926 separation method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Synchronizing For Television (AREA)
Description
第１図は本考案になる同期信号分離回路の一実
施例を示すブロツク図、第２図は本考案回路の動
作説明用の波形図、第３図は本考案回路を構成す
る映像スライス回路の具体的構成の一例を示す図
、第４図、第５図、第７図〜第１０図は従来の技
術を説明するための波形図、第６図は従来の同期
信号分離回路の一例の構成を示すブロツク図であ
る。
１……入力端子、２……ローパスフイルタ（Ｌ
ＰＦ）、３……同期分離回路、４……映像スライ
ス回路、５……シンクチツプクランプ回路、６…
…スライス回路、７……リフアレンス電圧発生回
路。
FIG. 1 is a block diagram showing an embodiment of the synchronization signal separation circuit according to the present invention, FIG. 2 is a waveform diagram for explaining the operation of the circuit according to the present invention, and FIG. 3 is a diagram of a video slicing circuit constituting the circuit according to the present invention. Figures 4, 5, and 7 to 10 are waveform diagrams for explaining conventional techniques, and Figure 6 is a configuration of an example of a conventional synchronization signal separation circuit. FIG. 1...Input terminal, 2...Low pass filter (L
PF), 3... Sync separation circuit, 4... Video slice circuit, 5... Sync chip clamp circuit, 6...
...Slice circuit, 7...Reference voltage generation circuit.
Claims (1)
ルタに通し、この入力複合映像信号からノイズを
除去してから同期信号を分離する同期信号分離回
路において、 前記ノイズ除去用ローパスフイルタに通す前に
前記入力複合映像信号の映像信号部分を予めスラ
イスする映像スライス回路を設けたことを特徴と
する同期信号分離回路。[Claims for Utility Model Registration] In a synchronization signal separation circuit that passes an input composite video signal through a noise removal low-pass filter, removes noise from the input composite video signal, and then separates a synchronization signal, the noise removal low-pass filter 1. A synchronizing signal separation circuit comprising a video slicing circuit for slicing a video signal portion of the input composite video signal in advance before passing it through the input composite video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15459488U JPH0275871U (en) | 1988-11-28 | 1988-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15459488U JPH0275871U (en) | 1988-11-28 | 1988-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0275871U true JPH0275871U (en) | 1990-06-11 |
Family
ID=31431467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15459488U Pending JPH0275871U (en) | 1988-11-28 | 1988-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0275871U (en) |
-
1988
- 1988-11-28 JP JP15459488U patent/JPH0275871U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0275871U (en) | ||
| JPS5934202Y2 (en) | signal regenerator | |
| JPS62173878U (en) | ||
| JPS61201589A (en) | Synchronizing signal separator | |
| JPS6037975U (en) | Synchronous signal separation circuit | |
| JPS61295766A (en) | Shaping device for waveform of synchronizing signal | |
| JPH0476786U (en) | ||
| JPS5979404A (en) | Switching noise eliminator | |
| JPS63121988U (en) | ||
| JPS58194574U (en) | Synchronous separation circuit | |
| JPS6098970U (en) | Synchronous separation circuit | |
| JPS63318870A (en) | Separating circuit for synchronizing pulse of picture signal | |
| JPS6293877U (en) | ||
| JPS6381566U (en) | ||
| JPH01167781U (en) | ||
| JPS62201576U (en) | ||
| JPS5883863U (en) | Synchronous signal separation circuit | |
| JPH03105069U (en) | ||
| JPS5882069U (en) | Television receiver synchronization separation circuit | |
| JPH0475484U (en) | ||
| JPS63181079U (en) | ||
| JPS5883874U (en) | television receiver | |
| JPS6055171U (en) | Horizontal synchronization signal generation circuit | |
| JPH0373087U (en) | ||
| JPH0282170U (en) |