JPS61122568U - - Google Patents
Info
- Publication number
- JPS61122568U JPS61122568U JP616585U JP616585U JPS61122568U JP S61122568 U JPS61122568 U JP S61122568U JP 616585 U JP616585 U JP 616585U JP 616585 U JP616585 U JP 616585U JP S61122568 U JPS61122568 U JP S61122568U
- Authority
- JP
- Japan
- Prior art keywords
- pitch
- rotation detector
- rotation
- magnetized
- rotating magnet
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005291 magnetic effect Effects 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案になる回転検出器の一実施例を
示す分解斜視図、第２図は第１図に示す回転検出
器の回転磁石の着磁パターンおよびコイルパター
ンの配置を説明するための説明図、第３図は第１
図に示す回転検出器の回転検出信号を示す波形図
、第４図は全周積分方式の従来の回転検出器を示
す分解斜視図、第５図は第４図に示す回転検出器
の回転磁石の着磁パターンおよびコイルパターン
の配置を説明するための説明図、第６図は第４図
に示す回転検出器の回転検出信号を示す波形図で
ある。
１…回転軸、２…回転磁石、６…磁極境界、８
…回転検出部、９…コイル、１２…平行部分、λ
…着磁ピツチ。
FIG. 1 is an exploded perspective view showing one embodiment of the rotation detector according to the present invention, and FIG. 2 is an exploded perspective view showing the arrangement of the magnetization pattern and coil pattern of the rotating magnet of the rotation detector shown in FIG. 1. Explanatory diagram, Figure 3 is the first
A waveform diagram showing the rotation detection signal of the rotation detector shown in the figure, Fig. 4 is an exploded perspective view showing a conventional rotation detector of the all-round integral method, and Fig. 5 shows the rotating magnet of the rotation detector shown in Fig. 4. FIG. 6 is a waveform diagram showing the rotation detection signal of the rotation detector shown in FIG. 4. 1...Rotating axis, 2...Rotating magnet, 6...Magnetic pole boundary, 8
...Rotation detection unit, 9...Coil, 12...Parallel portion, λ
...Magnetized pitch.
Claims (1)
転軸に取付けられた回転磁石と、磁気抵抗効果を
有する強磁性体よりなり前記回転磁石の着磁ピツ
チの２ｎ倍（ｎ＝１，２，３，…）のピツチで平
行部分を設けたコイルパターンを有する回転検出
部とからなる回転検出器。 It consists of a rotating magnet that is magnetized into multiple magnetic poles with a constant magnetization pitch and is attached to a rotating shaft, and a ferromagnetic material that has a magnetoresistive effect. , 3,...) A rotation detector comprising a rotation detection section having a coil pattern provided with parallel portions at a pitch of .
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP616585U JPH0320779Y2 (en) | 1985-01-19 | 1985-01-19 | |
| US06/695,816 US4656377A (en) | 1984-01-30 | 1985-01-28 | Tachogenerator having a magnetoresistance stator coil |
| DE19853502899 DE3502899A1 (en) | 1984-01-30 | 1985-01-29 | TACHOGENERATOR WITH A FIXED REEL FROM A MATERIAL WITH MAGNETIC-DEPENDENT RESISTANCE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP616585U JPH0320779Y2 (en) | 1985-01-19 | 1985-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61122568U true JPS61122568U (en) | 1986-08-01 |
| JPH0320779Y2 JPH0320779Y2 (en) | 1991-05-07 |
Family
ID=30483357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP616585U Expired JPH0320779Y2 (en) | 1984-01-30 | 1985-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320779Y2 (en) |
-
1985
- 1985-01-19 JP JP616585U patent/JPH0320779Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0320779Y2 (en) | 1991-05-07 |