JPS63195704U

JPS63195704U -

Info

Publication number: JPS63195704U
Application number: JP8737987U
Authority: JP
Priority date: 1987-06-05
Filing date: 1987-06-05
Publication date: 1988-12-16
Anticipated expiration: 2002-06-05
Also published as: JPH0639441Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す斜視図、第２
図は第１図の正面図、第３図は本考案の他の実施
例の斜視図、第４図は第３図の正面図、第５図は
着磁機の着磁状態を示す説明図、第６図ａ，ｂは
従来の一体形マグネツトの着磁例を示す説明図、
第７図は本実施例のマグネツトを使用した半導体
磁気センサによる回転測定例を示す説明図、第８
図は従来の他のマグネツトを示す斜視図、第９図
はマグネツトを使用して構成した半導体磁気セン
サによる被検出体の検出例を示す説明図、第１０
図は多チヤンネル磁気センサの検出態様図、第１
１図、第１２図は溝形状を異にしたマグネツト体
の他の実施例を示す斜視図である。１……マグネツト、２……回転体、３……磁気
抵抗効果素子、４……磁性材料、５……着磁機、
６……ヨーク、７……コイル、８……磁性材料、
１０……表面、１１……スリツト溝、１２……磁
極面、１３……調整溝。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a front view of Fig. 1, Fig. 3 is a perspective view of another embodiment of the present invention, Fig. 4 is a front view of Fig. 3, and Fig. 5 is an explanatory diagram showing the magnetized state of the magnetizing machine. , FIGS. 6a and 6b are explanatory diagrams showing an example of magnetization of a conventional integrated magnet,
FIG. 7 is an explanatory diagram showing an example of rotation measurement by a semiconductor magnetic sensor using the magnet of this embodiment.
The figures are a perspective view showing another conventional magnet, Fig. 9 is an explanatory view showing an example of detecting an object by a semiconductor magnetic sensor configured using a magnet, and Fig. 10 is a perspective view showing another conventional magnet.
The figure is a detection mode diagram of a multi-channel magnetic sensor, the first
1 and 12 are perspective views showing other embodiments of the magnet body with different groove shapes. 1... Magnet, 2... Rotating body, 3... Magnetoresistive element, 4... Magnetic material, 5... Magnetizer,
6... Yoke, 7... Coil, 8... Magnetic material,
10...Surface, 11...Slit groove, 12...Magnetic pole surface, 13...Adjustment groove.

Claims

[Claims for Utility Model Registration] (1) One or more slit grooves are provided on the surface of an integrated magnetic material, and magnetic poles of desired polarity are attached to each surface of the magnetic material partitioned by the slit grooves. A magnetic body characterized by being magnetized. (2) The magnet body according to claim 1 of the utility model registration, characterized in that magnetic poles of the same polarity are magnetized on each surface of the magnetic material partitioned by the slit grooves. (3) A claim for utility model registration characterized in that a magnetic field adjustment groove is formed on the back surface of the magnetic material to equalize the strength of the magnetic field of the magnetic pole magnetized on the front surface side of the magnetic material. The magnetic body according to item 1 or 2. (4) Crosstalk of the multi-channel magnetic sensor is reduced by installing a pair of magnetoresistive elements on each surface of the magnetized magnetic material divided by slit grooves. Scope of claims for utility model registration Paragraph 1 or Paragraph 2 or Paragraph 3
Magnetic body as described in section.