JPH0179383U - - Google Patents
Info
- Publication number
- JPH0179383U JPH0179383U JP1987175687U JP17568787U JPH0179383U JP H0179383 U JPH0179383 U JP H0179383U JP 1987175687 U JP1987175687 U JP 1987175687U JP 17568787 U JP17568787 U JP 17568787U JP H0179383 U JPH0179383 U JP H0179383U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- guide
- magnetic circuit
- gap
- movable body
- 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
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光学式デイ
スクプレーヤの送り機構の斜視図、第2図は第1
図のJ―J断面図、第3図はリニアモータ部の磁
束発生図、第4図は従来の光学式デイスクプレー
ヤの送り機構の斜視図、第5図は第4図のI―I
断面図である。
図において、3は移動体、15は第1のガイド
、11はヨーク、12はマグネツト板、14はボ
イスコイル、21は磁性体、16は第2のガイド
である。なお図中同一符号は同一または相当部を
示す。
FIG. 1 is a perspective view of a feeding mechanism of an optical disk player according to an embodiment of this invention, and FIG.
Figure 3 is a diagram of magnetic flux generation in the linear motor section, Figure 4 is a perspective view of the feed mechanism of a conventional optical disc player, and Figure 5 is I-I in Figure 4.
FIG. In the figure, 3 is a moving body, 15 is a first guide, 11 is a yoke, 12 is a magnetic plate, 14 is a voice coil, 21 is a magnetic body, and 16 is a second guide. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
イドと、上記ガイドを中心として回動可能な移動
体と、ヨークとマグネツト板によつて構成された
少なくとも一つのギヤツプを有する磁気回路と、
上記移動体の少なくとも一面に設けられ上記磁気
回路中のギヤツプ内を通過しているボイスコイル
と、上記磁気回路中のマグネツト板に吸引して上
記移動体を上記第1のガイドを中心として回動す
る方向に付勢するように移動体に固定され上記磁
気回路ギヤツプ外部に配置された磁性体と、この
回動を規制する第2のガイドとを有する予圧発生
装置。 a first guide that linearly regulates the moving direction of the moving body; a moving body that is rotatable about the guide; and a magnetic circuit having at least one gap formed by a yoke and a magnetic plate.
A voice coil provided on at least one surface of the movable body and passing through a gap in the magnetic circuit is attracted to a magnetic plate in the magnetic circuit to rotate the movable body about the first guide. A preload generation device comprising: a magnetic body fixed to a movable body and disposed outside the magnetic circuit gap so as to bias the magnetic body in a direction to bias the magnetic body; and a second guide that restricts rotation of the magnetic body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987175687U JPH0179383U (en) | 1987-11-16 | 1987-11-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987175687U JPH0179383U (en) | 1987-11-16 | 1987-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0179383U true JPH0179383U (en) | 1989-05-29 |
Family
ID=31467472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987175687U Pending JPH0179383U (en) | 1987-11-16 | 1987-11-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0179383U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH046281U (en) * | 1990-04-27 | 1992-01-21 | ||
KR100371754B1 (en) * | 1998-07-24 | 2003-02-11 | 알프스 덴키 가부시키가이샤 | A head transport device |
-
1987
- 1987-11-16 JP JP1987175687U patent/JPH0179383U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH046281U (en) * | 1990-04-27 | 1992-01-21 | ||
KR100371754B1 (en) * | 1998-07-24 | 2003-02-11 | 알프스 덴키 가부시키가이샤 | A head transport device |
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