JPH0255414U

JPH0255414U -

Info

Publication number: JPH0255414U
Application number: JP13291288U
Authority: JP
Priority date: 1988-10-11
Filing date: 1988-10-11
Publication date: 1990-04-20

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の正面図、第２図は
第１の実施例の側面図、第３図は第１図のヒンジ
部の拡大断面図である。１……基盤、２……アーム、３，４……ヒンジ
、５……プリズム、６，７……ヨーク、８，９…
…永久磁石、１０，１１……コイル、１２，１３
……センサ、１４……支持板、１５……制御部。 FIG. 1 is a front view of one embodiment of the present invention, FIG. 2 is a side view of the first embodiment, and FIG. 3 is an enlarged sectional view of the hinge portion of FIG. 1. 1... Base, 2... Arm, 3, 4... Hinge, 5... Prism, 6, 7... Yoke, 8, 9...
...Permanent magnet, 10, 11... Coil, 12, 13
...Sensor, 14...Support plate, 15...Control unit.

補正平１．１１．８実用新案登録請求の範囲を次のように補正する
。Amendment 1.11.8.199 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】光磁気ヘツド内に組み込み固定するための基盤
と、一端が前記基盤に固定される板ばねから成る
複数のヒンジと、該ヒンジの他端に固定されて前
記基盤に連結されるアームと、該アームの中央部
に吊り下げられて前記アームに固定されるプリズ
ムと、前記アームの左右に固定される１対のコイ
ルと前記基盤の低面の両端に固定され前記コイル
の両端に所定間隔をもつて配置される磁気回路と
前記プリズムの位置を検出するセンサとを有し、
前記プリズムを左右に所定角度回転揺動するプリ
ズムアクチユエータにおいて、前記基盤と前記ア
ームとを両者にはめこんだ板ばねのヒンジ部材で
連結していることを特徴とするプリズムアクチユ
エータ。 [Claims for Utility Model Registration] A base for mounting and fixing in a magneto-optical head, a plurality of hinges each consisting of a leaf spring having one end fixed to the base, and a plurality of hinges fixed to the other end of the hinge and fixed to the base. an arm to be connected, a prism suspended from the center of the arm and fixed to the arm, a pair of coils fixed to the left and right sides of the arm, and the coil fixed to both ends of the lower surface of the base. a magnetic circuit placed at a predetermined interval on both ends of the
a sensor that detects the position of the prism;
A prism actuator for rotating and swinging the prism left and right by a predetermined angle, characterized in that the base and the arm are connected by a hinge member of a leaf spring fitted into both.

Claims

[Scope of utility model registration request]

a base for being installed and fixed in a magneto-optical head; a plurality of hinges each consisting of a leaf spring having one end fixed to the base; an arm fixed to the other end of the hinge and connected to the base; a prism suspended in the center and fixed to the arm; a pair of coils fixed to the left and right sides of the arm; A prism actuator comprising: a linear motor having a magnetic circuit that rotates the prism in both directions by a predetermined angle using the hinge as a fulcrum; and a sensor that detects the position of the prism.