JPS62101122U - - Google Patents
Info
- Publication number
- JPS62101122U JPS62101122U JP19273785U JP19273785U JPS62101122U JP S62101122 U JPS62101122 U JP S62101122U JP 19273785 U JP19273785 U JP 19273785U JP 19273785 U JP19273785 U JP 19273785U JP S62101122 U JPS62101122 U JP S62101122U
- Authority
- JP
- Japan
- Prior art keywords
- yokes
- magnetic circuit
- magnet
- base side
- auxiliary base
- 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
- 230000004907 flux Effects 0.000 claims description 2
- 241000283707 Capra Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Description
第１図はこの考案によるピツクアツプのアクチ
エータの側断面図、第２図は同一部の斜面図、第
３図は従来のアクチエータの側断面図、第４図は
同磁束分布を示す説明図である。
１１……ベース、１２，１３……ヨーク、１４
……マグネツト、１５……エヤギヤツプ、１６…
…ボビン、１７……ドライブコイル、２１……補
助ベース、２２……保護カバー。
Fig. 1 is a side sectional view of a pick-up actuator according to this invention, Fig. 2 is a perspective view of the same part, Fig. 3 is a side sectional view of a conventional actuator, and Fig. 4 is an explanatory diagram showing the magnetic flux distribution. . 11...Base, 12, 13...Yoke, 14
...Magnet, 15...Eyagiap, 16...
...Bobbin, 17...Drive coil, 21...Auxiliary base, 22...Protective cover.
Claims (1)
ツクアツプのアクチエータにおいて、ヨークの両
端部に形成した一対のヨークと、一方のヨークに
固定したマグネツトと、前記ヨークならびに、マ
グネツトの開放端面、さらには、エヤギヤツプを
被う補助ベースとを備え、磁気回路における磁束
分布がベース側、補助ベース側とが等しくなるよ
うに構成したことを特徴とするピツクアツプのア
クチエータ。 A pick-up actuator configured by mounting a magnetic circuit on a base includes a pair of yokes formed at both ends of the yokes, a magnet fixed to one of the yokes, the yokes and the open end surface of the magnet, and further: 1. A pickup actuator comprising an auxiliary base that covers an air goat, and configured so that the magnetic flux distribution in the magnetic circuit is equal on the base side and the auxiliary base side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985192737U JPH0531692Y2 (en) | 1985-12-14 | 1985-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985192737U JPH0531692Y2 (en) | 1985-12-14 | 1985-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62101122U true JPS62101122U (en) | 1987-06-27 |
| JPH0531692Y2 JPH0531692Y2 (en) | 1993-08-16 |
Family
ID=31148102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985192737U Expired - Lifetime JPH0531692Y2 (en) | 1985-12-14 | 1985-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531692Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583142A (en) * | 1981-06-30 | 1983-01-08 | Sharp Corp | Optical information processor |
| JPS5968841A (en) * | 1982-10-08 | 1984-04-18 | Matsushita Electric Ind Co Ltd | Driver of objective lens |
-
1985
- 1985-12-14 JP JP1985192737U patent/JPH0531692Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583142A (en) * | 1981-06-30 | 1983-01-08 | Sharp Corp | Optical information processor |
| JPS5968841A (en) * | 1982-10-08 | 1984-04-18 | Matsushita Electric Ind Co Ltd | Driver of objective lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531692Y2 (en) | 1993-08-16 |