JPS59164922U - Magnetic encoder device - Google Patents
Magnetic encoder deviceInfo
- Publication number
- JPS59164922U JPS59164922U JP5769383U JP5769383U JPS59164922U JP S59164922 U JPS59164922 U JP S59164922U JP 5769383 U JP5769383 U JP 5769383U JP 5769383 U JP5769383 U JP 5769383U JP S59164922 U JPS59164922 U JP S59164922U
- Authority
- JP
- Japan
- Prior art keywords
- encoder device
- magnetic
- recording medium
- magnetoresistive element
- magnetic encoder
- 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.)
- Pending
Links
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は磁気バイアスを加えない方式での磁気抵抗素子
の入力−出力特性図、第２図は磁気バイアスを加える方
式での磁気抵抗素子の入力−出力特性図、第３図は従来
技術に係る磁気抵抗素子の取付構造を説明した斜視用、
第４図、第５図は各々、磁気記録媒体に対する磁気抵抗
素子の取付精度に関係する要因を説明した図、第６図乃
至第８図は各々同上図で説明した各取付精度に関係する
要因が出力に与える影響を例示したグラフ、第９図、第
１１図は各々、本考案に係る磁気記録媒体及びその周辺
部の斜視図、第１０図はバイアス分を加えた情報信号の
着磁態様を説明したグラフである。
１１．１１’・・・・・・磁気記録媒体、１４・・・・
・・（磁気バイアス手段としての）バイアス着磁体。Figure 1 is an input-output characteristic diagram of a magnetoresistive element with no magnetic bias applied, Figure 2 is an input-output characteristic diagram of a magnetoresistive element with a magnetic bias applied, and Figure 3 is a diagram of the conventional technology. For perspective view explaining the mounting structure of such a magnetoresistive element,
4 and 5 are diagrams each explaining the factors related to the mounting accuracy of the magnetoresistive element to the magnetic recording medium, and FIGS. 6 to 8 are each a diagram explaining the factors related to the mounting precision explained in the same figure. FIGS. 9 and 11 are perspective views of the magnetic recording medium and its surroundings according to the present invention, and FIG. 10 shows the magnetization state of the information signal with the bias added. This is a graph explaining. 11.11'...Magnetic recording medium, 14...
...Bias magnetized body (as a magnetic bias means).
Claims (1)
隙を介して磁気抵抗素子を対向させ、この磁気抵抗素子
と上記磁気記録媒体との相対移動により上記情報信号を
読み取るようになした磁気式エンコーダー装置において
、 上記磁気記録媒体と一体若しくは一体的に、上記磁気抵
抗素子の動作点を変化させる磁気バイアス手段を具備し
たことを特徴とする磁気式エンコーダー装置。[Claims for Utility Model Registration] A magnetoresistive element is placed opposite a magnetic recording medium on which an information signal is magnetically recorded, with a predetermined gap interposed therebetween, and the information is recorded by relative movement between the magnetoresistive element and the magnetic recording medium. A magnetic encoder device configured to read signals, characterized in that the magnetic encoder device is provided with magnetic bias means for changing the operating point of the magnetoresistive element integrally or integrally with the magnetic recording medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5769383U JPS59164922U (en) | 1983-04-18 | 1983-04-18 | Magnetic encoder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5769383U JPS59164922U (en) | 1983-04-18 | 1983-04-18 | Magnetic encoder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59164922U true JPS59164922U (en) | 1984-11-05 |
Family
ID=30187991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5769383U Pending JPS59164922U (en) | 1983-04-18 | 1983-04-18 | Magnetic encoder device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59164922U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56141514A (en) * | 1980-04-04 | 1981-11-05 | Nec Corp | Length measuring device |
| JPS5814011A (en) * | 1981-07-20 | 1983-01-26 | Hitachi Ltd | Magnetic encoder |
-
1983
- 1983-04-18 JP JP5769383U patent/JPS59164922U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56141514A (en) * | 1980-04-04 | 1981-11-05 | Nec Corp | Length measuring device |
| JPS5814011A (en) * | 1981-07-20 | 1983-01-26 | Hitachi Ltd | Magnetic encoder |
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