JPH042995U - - Google Patents
Info
- Publication number
- JPH042995U JPH042995U JP1990041322U JP4132290U JPH042995U JP H042995 U JPH042995 U JP H042995U JP 1990041322 U JP1990041322 U JP 1990041322U JP 4132290 U JP4132290 U JP 4132290U JP H042995 U JPH042995 U JP H042995U
- Authority
- JP
- Japan
- Prior art keywords
- object side
- driven object
- speed
- poles
- magnet section
- 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
- 238000010586 diagram Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
Description
第１図は本考案による速度・位置制御装置の一
実施例を用いた光ピツクアツプ駆動機構の一例を
示す構成図、第２図は同実施例で用いられる駆動
回路の一例を示すブロツク図、第３図ａ〜ｄは各
々同実施例の動作例を示す波形図、第４図は従来
から知られている光ピツクアツプ駆動機構の一例
を示す構成図、第５図は従来から知られている光
ピツクアツプ駆動機構の他の一例を示す構成図で
ある。
１……リニアモータ、２……駆動対象（光ピツ
クアツプ）、３……センサ、４……駆動回路、９
……磁石部、１０……コイル、１５……アンプ、
１６……エンベロープ検出回路、１７……モータ
駆動電圧発生回路、１８……ゼロクロス検出回路
。
FIG. 1 is a block diagram showing an example of an optical pickup drive mechanism using an embodiment of the speed/position control device according to the present invention, FIG. 2 is a block diagram showing an example of a drive circuit used in the same embodiment, and FIG. 3A to 3D are waveform diagrams showing operation examples of the same embodiment, FIG. 4 is a configuration diagram showing an example of a conventionally known optical pickup drive mechanism, and FIG. 5 is a diagram showing a conventionally known optical pickup drive mechanism. FIG. 7 is a configuration diagram showing another example of a pickup drive mechanism. 1... Linear motor, 2... Drive target (optical pickup), 3... Sensor, 4... Drive circuit, 9
... Magnet part, 10 ... Coil, 15 ... Amplifier,
16...Envelope detection circuit, 17...Motor drive voltage generation circuit, 18...Zero cross detection circuit.
Claims (1)
互に着磁された磁石部と、この磁石部に近接して
配置されるコイルとによつてセンサを構成し、前
記磁石部または前記コイルのいずれか一方を駆動
対象側に取付け、この駆動対象側の移動に応じて
前記コイルに誘起される信号の振幅、周波数に基
づいて前記駆動対象側の速度、位置を制御するこ
とを特徴とする速度・位置制御装置。 A sensor is constituted by a magnet section in which S poles and N poles are alternately magnetized with a density corresponding to the position resolution, and a coil arranged close to this magnet section, attached to the driven object side, and the speed and position of the driven object side are controlled based on the amplitude and frequency of the signal induced in the coil according to the movement of the driven object side. Speed/position control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041322U JPH042995U (en) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041322U JPH042995U (en) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042995U true JPH042995U (en) | 1992-01-10 |
Family
ID=31551890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990041322U Pending JPH042995U (en) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5216892U (en) * | 1975-07-24 | 1977-02-05 |
-
1990
- 1990-04-18 JP JP1990041322U patent/JPH042995U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5216892U (en) * | 1975-07-24 | 1977-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60155570U (en) | Movement amount detection device | |
| EP0299771A3 (en) | Wave motor driving circuit | |
| JPH042995U (en) | ||
| ATE46976T1 (en) | MAGNETIC TACHOMETER FOR DISK DRIVE. | |
| JPH0782023B2 (en) | Motor speed detector | |
| JPS5825432Y2 (en) | electric instrument effect device | |
| JPS5851689U (en) | linear motor | |
| JPS62180321U (en) | ||
| JPH0516870Y2 (en) | ||
| JPH0672762B2 (en) | Rotation signal generator | |
| JPH0314780U (en) | ||
| JPH0344618U (en) | ||
| JPS6377370A (en) | Linear pulse motor | |
| SU441589A1 (en) | Magnetic tape moving device | |
| JPH031676U (en) | ||
| JPH0186495U (en) | ||
| JPS63120598U (en) | ||
| JPS63129805U (en) | ||
| JPH0366573U (en) | ||
| JPS59161024U (en) | Position detection mechanism | |
| JPS6348304U (en) | ||
| JPS61149821U (en) | ||
| JPS6336957U (en) | ||
| JPS58134082U (en) | Commutatorless motor | |
| JPS6132779U (en) | Pulse signal generator for electric motor |