JPS60111564U - Dropout prediction device - Google Patents
Dropout prediction deviceInfo
- Publication number
- JPS60111564U JPS60111564U JP20482983U JP20482983U JPS60111564U JP S60111564 U JPS60111564 U JP S60111564U JP 20482983 U JP20482983 U JP 20482983U JP 20482983 U JP20482983 U JP 20482983U JP S60111564 U JPS60111564 U JP S60111564U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- dropout
- prediction device
- rotational position
- rotational
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はターンテーブル回転用ホールモータの分解斜視
図、第２図は第１図のホールモータを用いた本考案に係
るドロップアウト予測装置の実施例を示す簡略回路図、
第３図は第２図の変化点トリガー回路の作用を示すタイ
ムチャートである。
１４・・・ブラシレス直流モータ、２４，２６．２Ｆ・
・コイル、３０ｖ ３２，３４・・・ホール素子、５
４・・・ドロップアウト予測回路。FIG. 1 is an exploded perspective view of a Hall motor for rotating a turntable, and FIG. 2 is a simplified circuit diagram showing an embodiment of a dropout prediction device according to the present invention using the Hall motor of FIG.
FIG. 3 is a time chart showing the operation of the change point trigger circuit of FIG. 2. 14... Brushless DC motor, 24, 26.2F.
・Coil, 30v 32, 34...Hall element, 5
4...Dropout prediction circuit.
Claims (1)
の信号によりステータのスイッチングを行うディスク回
転用ブラシレスモータと、この回転位置センサからの信
号によりディスクの回転角信号を出力する回転角判別手
段と、回転角信号とドロップアウト信号とにより次回の
ドロップアウト位置を予測しこれに対応して制御モード
切替信号を出力するモード切替判別手段と、を有するこ
とを特徴トスるドロップアウト予測装置。, a brushless motor for rotating the stator that switches the stator based on a signal from a rotational position sensor that detects the rotational position of the rotor; a rotational angle determining means that outputs a rotational angle signal of the disk based on the signal from the rotational position sensor; 1. A dropout prediction device characterized by comprising: mode switching determination means for predicting the next dropout position based on the angle signal and the dropout signal and outputting a control mode switching signal in response to the prediction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20482983U JPS60111564U (en) | 1983-12-29 | 1983-12-29 | Dropout prediction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20482983U JPS60111564U (en) | 1983-12-29 | 1983-12-29 | Dropout prediction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60111564U true JPS60111564U (en) | 1985-07-29 |
| JPH0313909Y2 JPH0313909Y2 (en) | 1991-03-28 |
Family
ID=30767216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20482983U Granted JPS60111564U (en) | 1983-12-29 | 1983-12-29 | Dropout prediction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60111564U (en) |
-
1983
- 1983-12-29 JP JP20482983U patent/JPS60111564U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0313909Y2 (en) | 1991-03-28 |
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