JPH0161877U - - Google Patents
Info
- Publication number
- JPH0161877U JPH0161877U JP15613787U JP15613787U JPH0161877U JP H0161877 U JPH0161877 U JP H0161877U JP 15613787 U JP15613787 U JP 15613787U JP 15613787 U JP15613787 U JP 15613787U JP H0161877 U JPH0161877 U JP H0161877U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- moving body
- moving
- driving
- driving coil
- 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
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図はこの考案の一実施例によるボイスコイ
ル型リニアモータの駆動方式を示す回路図、第２
図および第３図は可動部の重心と推力の作用点が
ずれている時の可動部の移動の様子を示す図、第
４図はこの考案の他の実施例による駆動方式を示
す回路図、第５図は光デイスク装置の斜視図、第
６図は第５図の−線における断面図、第７図
は従来の駆動方式を示す回路図である。
図において、５０は移動体、１０ａは第１の駆
動用コイルとしてのコイルＡ、１０ｂは第２の駆
動用コイルとしてのコイルＢ、２１は可変抵抗で
ある。なお、図中、同一符号は同一、または相当
部分を示す。
Fig. 1 is a circuit diagram showing the drive system of a voice coil type linear motor according to an embodiment of this invention;
3 and 3 are diagrams showing how the movable part moves when the center of gravity of the movable part and the point of application of thrust are shifted, and FIG. 4 is a circuit diagram showing a drive system according to another embodiment of this invention. FIG. 5 is a perspective view of the optical disk device, FIG. 6 is a sectional view taken along the line -- in FIG. 5, and FIG. 7 is a circuit diagram showing a conventional drive system. In the figure, 50 is a moving body, 10a is a coil A as a first drive coil, 10b is a coil B as a second drive coil, and 21 is a variable resistor. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
た上記移動体を移動させるための第１の駆動用コ
イル、上記移動体の重心部に対し上記第１の駆動
用コイルとは反対側に設けられた上記移動体を推
進するための第２の駆動用コイルを備えたボイス
コイル型リニアモータにおいて、上記第１及び第
２の駆動用コイルの少なくとも一方に電気的に直
列に接続された可変抵抗を備え、この可変抵抗に
より駆動用コイルの上記移動体に対する推力の作
用点と上記重心部とが移動方向に一致するように
したことを特徴とするボイスコイル型リニアモー
タ。 a first driving coil for moving the moving body provided on one side with respect to the moving direction of the moving body; and a first driving coil provided on the opposite side of the center of gravity of the moving body from the first driving coil. In a voice coil type linear motor provided with a second driving coil for propelling the mobile body, a variable speed control member electrically connected in series to at least one of the first and second driving coils. 1. A voice coil type linear motor, comprising a resistor, and the variable resistor causes a point of action of a thrust of a drive coil on the moving body to coincide with the center of gravity in the moving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15613787U JPH0161877U (en) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15613787U JPH0161877U (en) | 1987-10-14 | 1987-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0161877U true JPH0161877U (en) | 1989-04-20 |
Family
ID=31434399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15613787U Pending JPH0161877U (en) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0161877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990077771A (en) * | 1998-03-12 | 1999-10-25 | 가토 요시카즈 | Disk apparatus |
| KR100320159B1 (en) * | 1998-03-12 | 2002-01-10 | 가토 요시카즈 | Disk apparatus |
-
1987
- 1987-10-14 JP JP15613787U patent/JPH0161877U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990077771A (en) * | 1998-03-12 | 1999-10-25 | 가토 요시카즈 | Disk apparatus |
| KR100320159B1 (en) * | 1998-03-12 | 2002-01-10 | 가토 요시카즈 | Disk apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0161877U (en) | ||
| JPH01109935U (en) | ||
| JPS62177796U (en) | ||
| JPS6363260U (en) | ||
| JPS58136843U (en) | Mirror position detection device | |
| JPS5943263U (en) | tilt steering device | |
| JPS5823972U (en) | power window device | |
| JPS61207000U (en) | ||
| JPS5930684U (en) | motor | |
| JPS63175208U (en) | ||
| JPS6435573U (en) | ||
| JPS59107429U (en) | multiple switch | |
| JPS58115439U (en) | Mirror position detection device | |
| JPS607456U (en) | Split pulley in belt type continuously variable transmission | |
| JPS60124292U (en) | DC motor control device | |
| JPS58171741U (en) | Reverse interlocking mirror | |
| JPS612031U (en) | Traveling speed control device for combine harvesters | |
| JPH0189658U (en) | ||
| JPS61199101U (en) | ||
| JPH0242404U (en) | ||
| JPH0265262U (en) | ||
| JPS59107430U (en) | multiple switch | |
| JPH0186492U (en) | ||
| JPS6188486U (en) | ||
| JPS59179179U (en) | Vehicle steering angle display device |