JPH025983U - - Google Patents
Info
- Publication number
- JPH025983U JPH025983U JP8416088U JP8416088U JPH025983U JP H025983 U JPH025983 U JP H025983U JP 8416088 U JP8416088 U JP 8416088U JP 8416088 U JP8416088 U JP 8416088U JP H025983 U JPH025983 U JP H025983U
- Authority
- JP
- Japan
- Prior art keywords
- rotary head
- head cylinder
- period
- measuring means
- period measuring
- 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
Description
図は本考案一実施例を示すブロツク図である。
２……周期測定手段、５……ヘツドモータ、６
……ドライブ回路、９……位相制御系、１３……
ＶＣＯ、１５……コンパレータ。
The figure is a block diagram showing one embodiment of the present invention. 2... Period measuring means, 5... Head motor, 6
...Drive circuit, 9...Phase control system, 13...
VCO, 15... comparator.
Claims (1)
同期信号の周期を測定する周期測定手段と、この
周期測定手段出力に基づき、回転ヘツドシリンダ
の回転速度を補正する手段と、前記水平同期周期
の所定値以上のずれを検出して前記回転ヘツドシ
リンダに逆転トルクを付与する手段とよりなる横
ゆれ補正回路。 a period measuring means for measuring the period of a horizontal synchronizing signal in a reproduced video signal in intermittent slow playback; a means for correcting the rotational speed of the rotary head cylinder based on the output of the period measuring means; A lateral wobbling correction circuit comprising means for detecting a deviation of the rotary head cylinder and applying a reverse rotation torque to the rotary head cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8416088U JPH025983U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8416088U JPH025983U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025983U true JPH025983U (en) | 1990-01-16 |
Family
ID=31308857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8416088U Pending JPH025983U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025983U (en) |
-
1988
- 1988-06-24 JP JP8416088U patent/JPH025983U/ja active Pending
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