JPH0361637U - - Google Patents
Info
- Publication number
- JPH0361637U JPH0361637U JP12338889U JP12338889U JPH0361637U JP H0361637 U JPH0361637 U JP H0361637U JP 12338889 U JP12338889 U JP 12338889U JP 12338889 U JP12338889 U JP 12338889U JP H0361637 U JPH0361637 U JP H0361637U
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- reproduction
- signal
- circuit
- reproduction control
- 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 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Description
第１図は実施例の構成を示すブロツク図、第２
図は、間欠スロー動作を示す波形図である。
４…Ａ／Ｄ変換回路、６…コントロール回路、
９…比較回路、１２…トラツキング制御回路、１
４…トラツキング制御モノマルチ、１８…分周手
段、１９…検出手段、２０…選択手段。
Figure 1 is a block diagram showing the configuration of the embodiment, Figure 2 is a block diagram showing the configuration of the embodiment.
The figure is a waveform diagram showing intermittent slow operation. 4...A/D conversion circuit, 6...control circuit,
9... Comparison circuit, 12... Tracking control circuit, 1
4...Tracking control monomulti, 18...Frequency dividing means, 19...Detecting means, 20...Selecting means.
Claims (1)
状態を検出する検出手段を備えてなるオートトラ
ツキング装置において、再生コントロール信号に
基づきトラツキング制御を行うコントロール回路
と、キヤプスタンモータのＦＧ信号を分周する分
周回路と、再生コントロール信号の位相が所定位
置で発生するときには前記再生コントロール信号
の代わりに、前記分周回路出力を選択する事を特
徴とするオートトラツキング装置。 An auto-tracking device comprising a detection means for detecting a tracking state according to an envelope of a reproduction signal includes a control circuit that performs tracking control based on a reproduction control signal, and a frequency division circuit that divides an FG signal of a capstan motor. An automatic tracking device characterized in that when the phase of the reproduction control signal occurs at a predetermined position, the output of the frequency dividing circuit is selected instead of the reproduction control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12338889U JPH0361637U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12338889U JPH0361637U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361637U true JPH0361637U (en) | 1991-06-17 |
Family
ID=31671369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12338889U Pending JPH0361637U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361637U (en) |
-
1989
- 1989-10-20 JP JP12338889U patent/JPH0361637U/ja active Pending
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