JPH0275978U - - Google Patents
Info
- Publication number
- JPH0275978U JPH0275978U JP15297488U JP15297488U JPH0275978U JP H0275978 U JPH0275978 U JP H0275978U JP 15297488 U JP15297488 U JP 15297488U JP 15297488 U JP15297488 U JP 15297488U JP H0275978 U JPH0275978 U JP H0275978U
- Authority
- JP
- Japan
- Prior art keywords
- drive coil
- yoke
- magnet
- same
- height
- 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
- 230000004907 flux Effects 0.000 claims 1
Landscapes
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図は本考案にかかる電磁駆動装置の実施例
を示す平面図、第２図は第１図中の線―に沿
う断面図、第３図は上記実施例の正面図、第４図
は同上側面図、第５図は同上斜視図、第６図は従
来の電磁駆動装置の例を示す平面図、第７図は同
上正面図である。
１……外ヨーク、２……内ヨーク、３……駆動
コイル、５……マグネツト。
Fig. 1 is a plan view showing an embodiment of the electromagnetic drive device according to the present invention, Fig. 2 is a sectional view taken along the line - in Fig. 1, Fig. 3 is a front view of the above embodiment, and Fig. 4 is a FIG. 5 is a side view of the same, FIG. 5 is a perspective view of the same, FIG. 6 is a plan view showing an example of a conventional electromagnetic drive device, and FIG. 7 is a front view of the same. 1...Outer yoke, 2...Inner yoke, 3...Drive coil, 5...Magnet.
Claims (1)
設けられた内ヨークと、この内ヨークに沿つて移
動可能な駆動コイルと、上記外ヨークと内ヨーク
との間に上記駆動コイルが横切ることができる磁
束を発生させるためのマグネツトとを有してなる
電磁駆動装置において、上記マグネツトは、駆動
コイルの移動面に平行な面の幅方向の端部までの
高さが駆動コイルの高さと略同じであることを特
徴とする電磁駆動装置。 An outer yoke, an inner yoke integrally provided inward of the outer yoke, a drive coil movable along the inner yoke, and the drive coil crossing between the outer yoke and the inner yoke. In an electromagnetic drive device comprising a magnet for generating magnetic flux, the height of the magnet to the end in the width direction of a plane parallel to the moving plane of the drive coil is approximately the same as the height of the drive coil. An electromagnetic drive device characterized by being the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15297488U JPH0275978U (en) | 1988-11-24 | 1988-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15297488U JPH0275978U (en) | 1988-11-24 | 1988-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0275978U true JPH0275978U (en) | 1990-06-11 |
Family
ID=31428393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15297488U Pending JPH0275978U (en) | 1988-11-24 | 1988-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0275978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016122044A (en) * | 2014-12-24 | 2016-07-07 | キヤノン株式会社 | Voice coil motor, lens driving device, and optical apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051779B2 (en) * | 1977-09-24 | 1985-11-15 | 株式会社ユアサコーポレーション | storage battery |
-
1988
- 1988-11-24 JP JP15297488U patent/JPH0275978U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051779B2 (en) * | 1977-09-24 | 1985-11-15 | 株式会社ユアサコーポレーション | storage battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016122044A (en) * | 2014-12-24 | 2016-07-07 | キヤノン株式会社 | Voice coil motor, lens driving device, and optical apparatus |