JPH0164143U - - Google Patents
Info
- Publication number
- JPH0164143U JPH0164143U JP1987158875U JP15887587U JPH0164143U JP H0164143 U JPH0164143 U JP H0164143U JP 1987158875 U JP1987158875 U JP 1987158875U JP 15887587 U JP15887587 U JP 15887587U JP H0164143 U JPH0164143 U JP H0164143U
- Authority
- JP
- Japan
- Prior art keywords
- synchronization signal
- circuit
- output
- detection
- gate circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係る同期信号検出回路を示す
図、第２図は動作波形図、第３図は同期信号を示
す図である。
１…ゲート回路、２，３…カウンタ。
FIG. 1 is a diagram showing a synchronizing signal detection circuit according to the present invention, FIG. 2 is an operating waveform diagram, and FIG. 3 is a diagram showing a synchronizing signal. 1... Gate circuit, 2, 3... Counter.
Claims (1)
記同期信号の所定の周期を計測したときの前記カ
ウンタ回路の出力及び前記同期信号を二入力とす
るゲート回路を設け、以つて前記ゲート回路の出
力側より検出出力を得る構成としたことを特徴と
する同期信号検出回路。 A counter circuit for measuring the period of the synchronization signal, and a gate circuit having two inputs, the output of the counter circuit and the synchronization signal when a predetermined period of the synchronization signal is measured, and the output side of the gate circuit. A synchronous signal detection circuit characterized in that it has a configuration that obtains a detection output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158875U JPH0164143U (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158875U JPH0164143U (en) | 1987-10-16 | 1987-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164143U true JPH0164143U (en) | 1989-04-25 |
Family
ID=31439598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158875U Pending JPH0164143U (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164143U (en) |
-
1987
- 1987-10-16 JP JP1987158875U patent/JPH0164143U/ja active Pending