JPS6292405U - - Google Patents
Info
- Publication number
- JPS6292405U JPS6292405U JP18363885U JP18363885U JPS6292405U JP S6292405 U JPS6292405 U JP S6292405U JP 18363885 U JP18363885 U JP 18363885U JP 18363885 U JP18363885 U JP 18363885U JP S6292405 U JPS6292405 U JP S6292405U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- metal wire
- magnetized
- linear scale
- longitudinal direction
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 8
- 230000005415 magnetization Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の磁気リニアスケールの実施例
における強磁性体金属線上の磁気書き込み領域の
一部を示す外観斜視図、第２図は第１図における
他の実施例の外観斜視図、第３図は従来の磁気リ
ニアスケールの例における強磁性体金属性上の磁
気書き込み領域の一部を示す外観斜視図、第４図
は第３図における金属線と磁気センサとの関係を
示す側面図、第５図は一般に用いられる磁気セン
サの外観斜視図、第６図は磁気書き込み領域と磁
気センサとの関係ならびに磁気センサよりの出力
波形を出す出力関連図、第７図は従来の磁気セン
サを構成する磁気抵抗素子の経過時間と抵抗変化
率の関係を示す特性曲線図、第８図は従来の磁気
センサの背面にバイアス用永久磁石を添設した磁
気リニアスケールの例の磁気書き込み領域の一部
を示す外観斜視図、第９図は第８図に用いられる
磁気センサの外観斜視図である。なお、
１：金属線、２：磁気センサ、３：磁気書き込
み領域、５：磁気抵抗素子、６：永久磁石、３１
，３２：単一磁化領域。
FIG. 1 is an external perspective view showing a part of the magnetic writing area on the ferromagnetic metal wire in an embodiment of the magnetic linear scale of the present invention, FIG. 2 is an external perspective view of another embodiment in FIG. 1, and FIG. Figure 3 is an external perspective view showing a part of the magnetic writing area on the ferromagnetic metal in an example of a conventional magnetic linear scale, and Figure 4 is a side view showing the relationship between the metal wire and the magnetic sensor in Figure 3. , Fig. 5 is an external perspective view of a generally used magnetic sensor, Fig. 6 is a diagram showing the relationship between the magnetic writing area and the magnetic sensor, and an output related diagram showing the output waveform from the magnetic sensor, and Fig. 7 is a diagram showing a conventional magnetic sensor. A characteristic curve diagram showing the relationship between the elapsed time and the rate of change in resistance of the constituent magnetoresistive elements. Figure 8 shows one of the magnetic writing areas of an example of a magnetic linear scale in which a permanent bias magnet is attached to the back of a conventional magnetic sensor. FIG. 9 is an external perspective view of the magnetic sensor used in FIG. In addition, 1: metal wire, 2: magnetic sensor, 3: magnetic writing area, 5: magnetoresistive element, 6: permanent magnet, 31
, 32: single magnetization region.
Claims (1)
の着磁ピツチにて磁化された磁気書き込み領域３
に沿つて狭間隔で磁気検出用磁気センサ２を設け
た磁気リニアスケールにおいて、前記金属線１の
任意の磁化範囲に長手方向と直角方向に磁化され
た単一磁化領域３１，３２を設けてなる磁気リニ
アスケール。 ２ 前記金属線１の長手方向に対し直角方向全体
に一様に着磁磁化してなる実用新案登録請求の範
囲第１項記載の磁気リニアスケール。[Claims for Utility Model Registration] 1. Magnetic writing area 3 magnetized at predetermined magnetization pitches in the longitudinal direction of metal wire 1 made of ferromagnetic material.
In a magnetic linear scale in which magnetic sensors 2 for magnetic detection are provided at narrow intervals along the metal wire 1, single magnetized regions 31 and 32 magnetized in a direction perpendicular to the longitudinal direction are provided in an arbitrary magnetization range of the metal wire 1. Magnetic linear scale. 2. The magnetic linear scale according to claim 1, wherein the metal wire 1 is uniformly magnetized in the entire direction perpendicular to the longitudinal direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985183638U JPH0710243Y2 (en) | 1985-11-30 | 1985-11-30 | Magnetic linear scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985183638U JPH0710243Y2 (en) | 1985-11-30 | 1985-11-30 | Magnetic linear scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6292405U true JPS6292405U (en) | 1987-06-12 |
| JPH0710243Y2 JPH0710243Y2 (en) | 1995-03-08 |
Family
ID=31130556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985183638U Expired - Lifetime JPH0710243Y2 (en) | 1985-11-30 | 1985-11-30 | Magnetic linear scale |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710243Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115210536A (en) * | 2020-03-10 | 2022-10-18 | 三菱电机株式会社 | Magnetic linear position detector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56164103U (en) * | 1980-05-07 | 1981-12-05 |
-
1985
- 1985-11-30 JP JP1985183638U patent/JPH0710243Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56164103U (en) * | 1980-05-07 | 1981-12-05 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115210536A (en) * | 2020-03-10 | 2022-10-18 | 三菱电机株式会社 | Magnetic linear position detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710243Y2 (en) | 1995-03-08 |
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