JPS6319214U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１，２図は、それぞれこの考案の回転センサ
の一実施例を示す斜視図及び側面図、第３図は、
第１，２図に示した磁気抵抗素子の回路図、第４
図は、第１，２図に示した回転センサの一変形例
を示す側面図、第５図は、この考案の回転センサ
の他の実施例を示す分解斜視図、第６図は、従来
の回転センサの一例を示す一部側面図である。 １１，２１，３１…回転センサ、１２，２２…
回転体、１３，３３…磁気抵抗素子、１４，３４
…磁性体。 Figures 1 and 2 are a perspective view and a side view showing an embodiment of the rotation sensor of this invention, respectively, and Figure 3 is a
Circuit diagram of the magnetoresistive element shown in Figures 1 and 2, Figure 4
The figure is a side view showing a modified example of the rotation sensor shown in FIGS. 1 and 2, FIG. 5 is an exploded perspective view showing another embodiment of the rotation sensor of this invention, and FIG. 6 is a conventional It is a partial side view which shows an example of a rotation sensor. 11, 21, 31... Rotation sensor, 12, 22...
Rotating body, 13, 33... Magnetoresistive element, 14, 34
...Magnetic material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円周方向にほぼ等間隔でかつ交互に異極性に分
割着磁した回転体と、この回転体の外周に離間対
抗させて配設した磁気抵抗素子と、この磁気抵抗
素子を挾持し、前記回転体の外周から放射される
磁力線を導き、回転体と磁気抵抗素子を結ぶ閉磁
路を形成する磁性体とからなる回転センサ。 A rotating body that is divided and magnetized with different polarities alternately at approximately equal intervals in the circumferential direction, a magnetoresistive element that is disposed on the outer periphery of the rotating body so as to be opposed to each other, and a magnetoresistive element that is sandwiched between the rotating body and the rotating body. A rotation sensor consisting of a magnetic body that guides lines of magnetic force radiated from the outer circumference of the body and forms a closed magnetic path connecting the rotating body and the magnetoresistive element.