JPH0340618U - - Google Patents
Info
- Publication number
- JPH0340618U JPH0340618U JP9869889U JP9869889U JPH0340618U JP H0340618 U JPH0340618 U JP H0340618U JP 9869889 U JP9869889 U JP 9869889U JP 9869889 U JP9869889 U JP 9869889U JP H0340618 U JPH0340618 U JP H0340618U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- focus actuator
- support base
- spring plate
- fixed
- 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
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案のフオーカス・アクチユエータ
の概要を説明するための斜視図、第２図は同バネ
板の平面図、第３図は同支持台の説明図、第４図
は従来例を示す斜視図である。
１……フオーカス・アクチユエータ、２……バ
ネ板、３……支持台、１１……筒体、１２……対
物レンズ、１３……コイル。
Fig. 1 is a perspective view for explaining the outline of the focus actuator of the present invention, Fig. 2 is a plan view of the same spring plate, Fig. 3 is an explanatory view of the support stand, and Fig. 4 shows a conventional example. FIG. DESCRIPTION OF SYMBOLS 1... Focus actuator, 2... Spring plate, 3... Support stand, 11... Cylinder, 12... Objective lens, 13... Coil.
Claims (1)
周部にコイルを設けたフオーカス・アクチユエー
タと、支持台と、少なくとも２枚の金属バネ板と
から成り、同バネ板の相互を電気的に絶縁すると
共に、物理的に離間させて夫々の一部を前記支持
台に固定し、同バネ板の揺動部において前記フオ
ーカス・アクチユエータを支持し、前記コイルの
両端を夫々の同揺動部に電気的に接続すると共に
、前記固定部より同コイルを駆動する制御電圧を
印加することを特徴とするフオーカス・アクチユ
エータ。 It consists of a focus actuator with an objective lens in the center of the cylinder and a coil on the outer periphery, a support base, and at least two metal spring plates, and the spring plates are electrically insulated from each other. At the same time, a part of each is fixed to the support base while being physically separated, the focus actuator is supported in the swinging part of the spring plate, and both ends of the coil are electrically connected to the swinging part of the spring plate. A focus actuator characterized in that the focus actuator is connected to the coil and a control voltage for driving the coil is applied from the fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9869889U JPH0340618U (en) | 1989-08-22 | 1989-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9869889U JPH0340618U (en) | 1989-08-22 | 1989-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340618U true JPH0340618U (en) | 1991-04-18 |
Family
ID=31647782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9869889U Pending JPH0340618U (en) | 1989-08-22 | 1989-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340618U (en) |
-
1989
- 1989-08-22 JP JP9869889U patent/JPH0340618U/ja active Pending