JPS6059798U

JPS6059798U - Rotation angle control device

Info

Publication number: JPS6059798U
Application number: JP15017083U
Authority: JP
Inventors: 柳田　清
Original assignee: パイオニア株式会社
Priority date: 1983-09-27
Filing date: 1983-09-27
Publication date: 1985-04-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図および第２図は従来の回転角制御装置および制御
回路を示す断面図、第３図ないし第５図はこの考案の一
実施例を示すもので、第３図はその回転角制御装置を示
す断面図、第４図はそのマグネット着磁および位置検出
素子の配置図、第５図はその制御回路のブロック図であ
る。１・・・モータ、４・・・回転子、９・・・マグネット
、Ｈ，Ｈ，、Ｈ２−・・位置検出素子。1 and 2 are cross-sectional views showing a conventional rotation angle control device and control circuit, and FIGS. 3 to 5 show an embodiment of this invention, and FIG. 3 shows the rotation angle control device. FIG. 4 is a diagram showing the magnetization of the magnet and the arrangement of the position detection element, and FIG. 5 is a block diagram of the control circuit. DESCRIPTION OF SYMBOLS 1... Motor, 4... Rotor, 9... Magnet, H, H,, H2-... Position detection element.

Claims

[Scope of utility model registration request]

A rotor that is rotatable supported by a bearing, a magnet fixed to one end of the rotor in the thrust direction and magnetized with planar multipoles, a magnetic circuit formed opposite to the magnet, and a magnetic circuit formed opposite to the magnet. The circuit includes a plurality of position detection elements attached to the circuit, and a motor that drives the rotor using the output of the position detection element, and rotates the rotor by switching the output of the plurality of position detection elements. A rotation angle control device characterized by controlling an angle.