JPH01131115U - - Google Patents
Info
- Publication number
- JPH01131115U JPH01131115U JP2589288U JP2589288U JPH01131115U JP H01131115 U JPH01131115 U JP H01131115U JP 2589288 U JP2589288 U JP 2589288U JP 2589288 U JP2589288 U JP 2589288U JP H01131115 U JPH01131115 U JP H01131115U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- generating member
- field generating
- poles
- linear 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
- 239000000284 extract Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 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、第２図はこの考案によるリニアエンコ
ーダの一実施例を示すものであり、第１図はリニ
アエンコーダの概略断面図、第２図は磁界発生部
材の拡大斜視図である。又、第３図は磁界発生部
材の一製造例を示す断面図であり、第４図は他の
実施例における第１図相当の断面図である。
１……磁界発生部材、２……磁気抵抗素子（セ
ンサ）。
1 and 2 show an embodiment of the linear encoder according to this invention, FIG. 1 is a schematic sectional view of the linear encoder, and FIG. 2 is an enlarged perspective view of the magnetic field generating member. Further, FIG. 3 is a sectional view showing an example of manufacturing a magnetic field generating member, and FIG. 4 is a sectional view corresponding to FIG. 1 in another embodiment. 1... Magnetic field generating member, 2... Magnetoresistive element (sensor).
Claims (1)
材と、この磁界発生部材に対して磁極の変化する
方向に直線的に相対移動し磁界の強さを電気信号
として取り出して磁界発生部材との相対移動量を
検出するセンサとを備えたリニアエンコーダにお
いて、上記磁界発生部材が円筒状をなし、その内
周側と外周側の少なくともいずれか一方にＮ極と
Ｓ極がリング状をなして軸線方向に交互に設けら
れていることを特徴とするリニアエンコーダ。 A magnetic field generating member having alternating magnetic poles of N and S poles, and a magnetic field generating member that moves linearly relative to the magnetic field generating member in the direction in which the magnetic poles change and extracts the strength of the magnetic field as an electric signal. In the linear encoder equipped with a sensor for detecting relative movement amount of A linear encoder characterized by being provided alternately in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2589288U JPH01131115U (en) | 1988-03-01 | 1988-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2589288U JPH01131115U (en) | 1988-03-01 | 1988-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131115U true JPH01131115U (en) | 1989-09-06 |
Family
ID=31247028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2589288U Pending JPH01131115U (en) | 1988-03-01 | 1988-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626805A (en) * | 1992-03-13 | 1994-02-04 | British Gas Plc | Motion transducer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159108A (en) * | 1979-05-30 | 1980-12-11 | Sony Corp | Magnetic scale device |
| JPS61274215A (en) * | 1985-05-30 | 1986-12-04 | Omron Tateisi Electronics Co | Linear encoder |
-
1988
- 1988-03-01 JP JP2589288U patent/JPH01131115U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159108A (en) * | 1979-05-30 | 1980-12-11 | Sony Corp | Magnetic scale device |
| JPS61274215A (en) * | 1985-05-30 | 1986-12-04 | Omron Tateisi Electronics Co | Linear encoder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626805A (en) * | 1992-03-13 | 1994-02-04 | British Gas Plc | Motion transducer |